Invention relates to a method of combusting first liquid fuel and a second liquid fuel, the first liquid fuel having its lower heating value less than the second liquid fuel, in the internal combustion piston engine, wherein - a first liquid fuel is injected into a cylinder of the engine as a main fuel which brings a major part of energy to the process, such that total amount of first liquid fuel delivered to the cylinder for one combustion stage is divided into at least two partial injections, wherein - the main injection of the first liquid fuel comprises 70-95 % of the total amount of the first liquid fuel, and - the start of main injection takes place earliest at 20 °CA before top dead center position of a piston in the cylinder, - a pre-injection of the first liquid fuel comprises 5-30% of the total amount of first liquid fuel, and wherein - the start of pre-injection takes place at 20-55 °CA before top dead center position of a piston in the cylinder, and the pre-injection is formed of one injection occurrence, and - a second liquid fuel is injected into the cylinder of the engine as fuel assisting compression ignition, such that start of injection of the second liquid fuel takes place at 1 - 23 °CA before start of injection of main injection of the first liquid fuel.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02M 61/18 - Injection nozzles, e.g. having valve-seats
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injectorFuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectorsFuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
2.
A METHOD FOR PREPARING LIQUID FUEL FOR A COMBUSTION CYCLE OF AN INTERNAL COMBUSTION ENGINE AND A PREPARATION DEVICE
A method for preparing liquid fuel for a combustion cycle of an internal combustion engine (8). In the method liquid fuel is introduced at a first pressure and a first temperature into a receptacle (2) of a preparation (1). The receptacle (2) is expanded, so as to bring the fuel into a gaseous, and heat is applied to the fuel. The receptacle (2) is contracted to increase the pressure therein, while maintaining a gaseous or supercritical phase of the fuel. The fuel is then ejected from the receptacle (2) to be further introduced into a combustion chamber (8b) of an internal combustion engine (8). A corresponding preparation device (1) is also concerned.
F02M 21/06 - Apparatus for de-liquefying, e.g. by heating
3.
DIRECT INJECTION VALVE, METHOD OF MANUFACTURING A DIRECT INJECTION VALVE, INTERNAL COMBUSTION PISTON ENGINE, METHOD OF OPERATING AN INTERNAL COMBUSTION PISTON ENGINE AND A COMPUTER CONTROL SYSTEM FOR OPERATING AN INTERNAL COMBUSTION PISTON ENGINE
Invention relates to a direct injection valve (100) for an internal combustion piston engine (300), the injection valve (100) comprising i. a fuel inlet (102), ii. a fuel gallery (104) which is arranged in flow communication with the fuel inlet (102), iii. a fuel outlet (112) in the fuel gallery (104), the outlet (112) comprising one or more injection orifices (112.1,112.2), iv. a valve needle (114) arranged to close or open the fuel outlet (112), wherein v. the injection valve is configured to inject a liquid fuel having its lower heating value < 33 MJ/kg, and total cross-sectional area of the fuel outlet (112) is less than 8,5 mm2/MW, wherein MW is cylinder-specific nominal maximum power output. Invention relates also to method of manufacturing a direct injection valve, internal combustion piston engine, method of operating an internal combustion piston engine and a control system for operating an internal combustion piston engine.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02M 61/18 - Injection nozzles, e.g. having valve-seats
A FUEL FEEDING SYSTEM FOR FEEDING LIQUID FUELS INTO TWO OR MORE CYLINDERS OF AN INTERNAL COMBUSTION PISTON ENGINE, AN INTERNAL COMBUSTION PISTON ENGINE AND A METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE
Invention relates to a fuel feeding system (8) for feeding liquid fuels into two or more cylinders (12) of an internal combustion piston engine, comprising: i. a source of a first fuel (16), at least one first fuel high-pressure pump (18) in connection with the source of the first fuel (16), and a first pressure rail (24) in connection with the high-pressure side of the at least one first fuel high- pressure pump (18), ii. first fuel injection valve (100) for each cylinder of the engine, con- nected to the first pressure rail (24), iii. a source of second fuel (20), at least one second fuel high-pressure pump (22) in connection with the source of the second fuel (20), and a second pressure rail (28) in connection with high-pressure side of the at least one second fuel high-pressure pump (22), iv. a control valve unit (34) arranged between the first pressure rail (24) and the second pressure rail (28) configured to control flow connection between the first pressure rail (24) and the second pressure rail (28). (Fig. 1)
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02M 61/18 - Injection nozzles, e.g. having valve-seats
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injectorFuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectorsFuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
5.
METHOD AND APPARATUS FOR CONTROLLING SHIP PROPULSION, AND A PROPULSION SYSTEM
The fuel injection arrangement for a piston engine comprises a fuel injector (1) that is configured to inject liquid fuel into an inlet channel (5) of the engine, and means (2) for generating an acoustic field and applying the acoustic field to the fuel injected into the inlet channel (5) to atomize the injected fuel outside of the fuel injector (1).
F02M 27/08 - Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sonic waves, or the like by sonic or ultrasonic waves
F02M 26/19 - Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system
7.
FUEL TANK ARRANGEMENT, MARINE VESSEL AND METHOD FOR COOLING FUEL COMPRISING AMMONIA
A fuel tank arrangement (1) for a marine vessel (2) comprises a fuel tank (3) comprising a shell (4) defining a fuel space (5) inside the shell (4) for storing fuel, and a tank connection space (6) connected to the fuel tank (3). The tank connection space (6) comprises a gas tight compartment containing tank penetrations and tank valves (7) for fuel, an entrance to the tank connection space (6) provided through a first space (26), which first space (26) comprises a gas tight compartment isolated from the tank connection space (6), and a first fuel outlet (8) provided in a shell (4) of the fuel tank (3) within the tank connection space (6) and connected to a first fuel line (9). The tank connection space (6) further comprises a first fuel inlet (10) connected to a second fuel line (11) and a first heat exchanger (14) provided downstream from the first fuel line (9) and upstream from the second fuel line (11 ). The first fuel outlet (8) is provided in the area of the lowest 30 percent of a fuel space (5) of the fuel tank (3) for connecting the fuel tank (3) to the first fuel line (9), the first fuel line (9), the second fuel line (11 ), and the first heat exchanger (14) form at least a part of a subcooling circuit (28) for the fuel, wherein the first heat exchanger (14) is configured to cool fuel provided in the subcooling circuit, and that the subcooling circuit (28) is provided inside the tank connection space (6).
The turning bracket (2) for turning a cylinder head (20) of a piston engine during maintenance work of the cylinder head (20) comprises a frame (3), first, second, third and fourth support arms (4, 5, 6, 7) pivotably connected to the frame (3) and having an attachment hole (4A, 5A, 6A, 7A) at the opposite end, the attachment holes (4A, 5A) of the first and second support arms (4, 5) being at an equal distance from a common rotation axis (A) and free ends being apart from each other in the direction of the common rotation axis (A) to allow the attachment holes (4A, 5A) to be aligned such that a stud (8, 9) can be inserted through said attachment holes (4A, 5A) and through an attachment hole (10, 11) of the cylinder head (20) to attach the cylinder head (20) between the first and second support arms (4, 5), the third and fourth support arms (6, 7) being configured similarly to allow the cylinder head (20) to be attached between the third and fourth support arms (6, 7) using another stud (8, 9).
Invention relates to an apparatus (10) for abating exhaust gas methane emis- sions from internal combustion piston engines, comprising - a housing (12) having an exhaust gas inlet (14) and an exhaust gas outlet (16) defining a normal flow direction of exhaust gas from the inlet to the outlet when in use, and - a methane oxidation catalyst (18) for decreasing methane concentra- tion in the exhaust gas, arranged in the housing (12) and a sulphur guard bed (20) for removing methane oxidation catalyst poi- sons from the exhaust gas, the sulphur guard bed (20) being arranged upstream to the methane oxidation catalyst (18) in the normal flow direction of the exhaust gas in the housing (12), - a second gas outlet (22) between the sulphur guard bed (20) and the me-thane oxidation catalyst (18), the second gas outlet (22) being in connection with an outlet conduit (23) provided with a first valve (24), and - a guard gas inlet (26) between the methane oxidation catalyst (18) and the exhaust gas outlet (16), and - a second valve (28) arranged between the guard gas inlet (26) and the outlet (16). Invention relates also to a respective method of operating the apparatus.
The bearing element (1) for a radial bearing of a piston engine has an inner circumferential surface configured to form at least part of a bearing surface and an outer circumferential surface, the bearing element comprising an oil feeding hole (2) extending from the outer surface to the inner surface for feeding lubrication oil onto the inner surface, wherein the outer surface of the bearing element is provided with at least one recessed area (3) arranged apart from the oil feeding hole and configured to spread lubrication oil onto the outer surface of the bearing element in case the bearing element rotates relative to a part facing the outer circumferential surface of the bearing element.
F16C 17/20 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with emergency supports or bearings
F16C 17/24 - Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety
F16C 17/26 - Systems consisting of a plurality of sliding-contact bearings
Personnel recruitment; employment agency services; providing employment information; promoting jobs by placing advertisements; providing online information in the fields of employment, recruitment, careers, job resources and job listings; providing online interactive employment counselling and recruitment services; business and career networking services; consultancy and advisory services relating to personnel selection and recruitment; business recruitment consultancy; information services relating to jobs and career opportunities.
12.
CYLINDER HEAD, CYLINDER HEAD COVER, CYLINDER HEAD ASSEMBLY AND PISTON ENGINE
The cylinder head (1) for a piston engine comprises an inlet port (9), a fuel injector hole (7), an oil supply channel (11) having an inlet end (11A) and an outlet end (11B) opening onto a top surface (1B) of the cylinder head (1), a first injector cooling channel (13) for supplying cooling oil to the fuel injector hole (7), arranged in fluid communication with the oil supply channel (11) and having an outlet end (13B) opening into the fuel injector hole (7), and a second injector cooling channel (14) for discharging cooling oil from the fuel injector hole (7) and having an inlet end (15A) opening into the fuel injector hole (7) and an outlet end (16B) opening onto the top surface (1B) of the cylinder head (1), the outlet ends (11B, 16B) of the oil supply channel (11) and the second injector cooling channel (14) being located in an area that is configured to be covered by the cylinder head cover (4).
The fuel supply system for an internal combustion engine (10) comprises a double-walled fuel supply line (1) having an inner pipe (2) for conveying pressurized fuel and an outer pipe (3) arranged around the inner pipe (2) such that an annular leakage space (4) is formed between the inner pipe (2) and the outer pipe (3), the leakage space (4) being open to the outside of the leakage space (4) for continuous venting of the leakage space (4). The leakage space (4) is connected to the outside via flow restriction means (6), and the fuel supply system comprises means (7) for monitoring the pressure in the leakage space (4).
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02D 19/02 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
F02M 65/00 - Testing fuel-injection apparatus, e.g. testing injection timing
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
F02D 17/04 - Controlling engines by cutting-out individual cylindersRendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
F02D 29/06 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
14.
A PISTON FOR A RECIPROCATING INTERNAL COMBUSTION PISTON ENGINE, A RECIPROCATING INTERNAL COMBUSTION ENGINE AND USE OF SUCH PISTON
The disclosure relates a piston (1) for a reciprocating internal combustion piston engine. The piston has a scraper ring groove (2), for receiving an oil scraper ring, the groove (2) extending annularly around a circumference of the piston (1). A receptacle volume (3) is arranged below the scraper ring groove (2), and a receiver conduit (4) extends between the scraper ring groove (2) and the receptacle volume (3), so as to provide fluid communication therebetween. A drainage conduit is provided (5) extending from the receptacle volume (3) towards a bottom (1b) of the piston. Notably, a bottom (3b) of the receptacle volume (3) has an annular inclination towards the drainage conduit (5). During an upstroke of the piston, the inclined bottom of the receptacle volume thrusts lubrication oil residing within the receptacle volume towards the drainage conduit.
An injection apparatus (500) comprises: - an inlet (IN1) to receive a liquid (LIQ1), - a nozzle (NOZ1) having one or more orifices (OR1) to form droplets (P1) from the liquid (LIQ1), - one or more flow channels (DUC1) to convey the liquid (LIQ1), - a coupling element (M1) to couple ultrasound (UW1) to the liquid (LIQ1), and - a transducer (SPK1) to vibrate the coupling element (M1), wherein the liquid (LIQ1) is conveyed from the inlet (IN1) to the one or more orifices (OR1) via the one or more flow channels (DUC1), wherein the injection apparatus (500) is arranged to guide the ultrasound (UW1) from the coupling element (M1) to the nozzle (NOZ1) via the liquid (LIQ1) contained in the one or more flow channels (DUC1).
A method of operating a four stroke multi-cylinder piston engine, in which engine (10) the cylinders have a fixed geometric compression ratio, by combusting a first fuel, the method being characterized in that air is compressed by a single-stage compressor (28) of a turbo charger (26) coupled with the engine (10), a combustion chamber of each cylinder (12) is charged with the compressed air and the first fuel according to working cycle and firing order, a second fuel is provided into the cylinder to be fired and becomes ignited, the first fuel is ignited by the second fuel, and is combusted as lean burn combustion, exhaust gas produced by combustion is led to the single-stage turbine (30) of the turbo charger (26), in which exhaust gas is expanded producing work for operating the compressor, exhaust gas is led to a NOx reduction catalysator (38) where NOx emissions are reduced, and when running the engine (10) at power below 75 % of its nominal maximum power, and when at least 30% of heat released in the combustion is from ammonia as the first fuel, the exhaust gas is cooled prior to leading exhaust gas to the NOx reduction catalysator (38). Invention relates also to a four stroke multi-cylinder internal combustion piston engine (10) configured to combust a first fuel comprising ammonia and second fuel.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
F02B 27/06 - Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
F02B 37/00 - Engines characterised by provision of pumps driven at least for part of the time by exhaust
F02D 19/10 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F01N 3/04 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of liquids
F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
F02B 37/16 - Control of the pumps by bypassing charging air
F02D 29/06 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
F01N 3/32 - Arrangements for supply of additional air using air pumps
F01N 3/34 - Arrangements for supply of additional air using air conduits or jet air pumps, e.g. near the engine exhaust port
17.
A DOUBLE-WALL PIPE FOR TRANSFERRING HIGH-PRESSURE FUEL AND A FUEL SYSTEM OF AN INTERNAL COMBUSTION PISTON ENGINE
Invention relates to a double-wall pipe (10) for transferring high-pressure fuel, comprising a first pipe (402) forming a fluid flow channel (404) inside the first pipe and a second pipe (406) arranged coaxially around the first pipe, wherein the double-wall pipe (10) comprises at least two loops of the double-wall pipe (10) around an axis, and the double-wall pipe (10) comprise a variable pitch.
F16L 9/18 - Double-walled pipesMulti-channel pipes or pipe assemblies
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 55/04 - Means for damping vibrations in injection-pump inlets
F16C 7/00 - Connecting-rods or like links pivoted at both endsConstruction of connecting-rod heads
The turbocharging system for a multi-cylinder piston engine (20) comprises a high-pressure turbocharger (1) comprising a high-pressure turbine (3) and a high-pressure compressor (4), a first exhaust receiver (11) for connecting a first group of cylinders of the engine (20) to a first inlet (3A) of the high-pressure turbine (3), a second exhaust receiver (12) for connecting a second group of cylinders of the engine (20) to a second inlet (3B) of the high-pressure turbine (3), a low-pressure turbocharger (2) comprising a low-pressure turbine (5) and a low-pressure compressor (6), an air bypass duct (7) having a first end connected to the downstream side of the high-pressure compressor (4) and a second end connected between the high-pressure turbine (3) and the low-pressure turbine (5), and a controllable air bypass valve (8) for controlling flow in the air by-pass duct (7).
An interlocking thread with a tooth-cross-section that is wider at its crest than at its root and with “V” angles located both along the crest and the root which tightens into a tapped hole that has a similar thread cross-section.
A closing arrangement (10) for an opening (4) in a hull (2) of a marine vessel (1) comprises one or more inflatable members (11). The inflatable members (11) are configured to be inflatable by a fluid to an inflated position and deflatable to a deflated position. In the inflated position, the inflatable members (11) cover at least 50 percent of a cross-sectional area (5) of the opening (4), and in the deflated position, the inflatable members (11) cover at most 20 percent of the cross-sectional area (5) of the opening (4).
The pipe connection arrangement for a fuel supply system of an internal combustion engine (1) comprises a first connecting block (120) attachable to the engine (1), a second connecting block (140) to be arranged at a distance from the engine (1), a double-walled connecting pipe (170) having a first end connectable to the first connecting block (120) and a second end connectable to the second connecting block (140), and an inert gas pipe (174) having a first end connectable to an inert gas outlet (125) or inlet (124) of the first connecting block (120) and a second end connectable to an inert gas inlet (144) or outlet (145) of the second connecting block (140), the second connecting block (140) comprising a leakage channel (149) having an inlet (147) arrangeable in fluid communication with a leakage space (173) of the connecting pipe (170), the leakage channel (149) comprising a closure element (150) being configured to move from a closed position to an open position when the pressure on the inlet side of the closure element (150) exceeds a predetermined threshold.
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 55/00 - Fuel-injection apparatus characterised by their fuel conduits or their venting means
F02M 65/00 - Testing fuel-injection apparatus, e.g. testing injection timing
F16L 39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
F16L 39/02 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies for hoses
F16L 39/04 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies allowing adjustment or movement
22.
METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE, INTERNAL COMBUSTION ENGINE, FUEL SUPPLY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE AND LEAK UNIT FOR A FUEL SUPPLY SYSTEM
The method of operating an internal combustion engine (1) having a fuel supply system comprising a double-walled fuel line (2) for supplying fuel to the engine (1) comprises the steps of filling an annular leakage space (5) formed between an inner pipe (3) and an outer pipe (4) of the fuel line (2) with inert gas to create an inert atmosphere within said leakage space (5) (101), maintaining the inert atmosphere in said leakage space (5) while the engine (1) is operated using said first fuel that is conveyed in said double-walled fuel line (2), wherein the pressure of the inert atmosphere is kept within a first pressure range having a lower limit and an upper limit (102), and monitoring possible leakages of said first fuel into said leakage space (5) (103).
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 55/00 - Fuel-injection apparatus characterised by their fuel conduits or their venting means
F02M 65/00 - Testing fuel-injection apparatus, e.g. testing injection timing
F16L 39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
F16L 39/02 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies for hoses
F16L 39/04 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies allowing adjustment or movement
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
F16B 5/00 - Joining sheets or plates to one another or to strips or bars parallel to them
F16B 35/04 - Screw-boltsStay boltsScrew-threaded studsScrewsSet screws with specially-shaped head or shaft in order to fix the bolt on or in an object
24.
A FUEL INJECTOR UNIT FOR ASSEMBLY TO A CYLINDER HEAD OF AN INTERNAL COMBUSTION PISTON ENGINE AND AN INTERNAL COMBUSTION PISTON ENGINE PROVIDED WITH THE FUEL INJECTOR UNIT
Invention relates to a fuel injector unit (10) for assembly to a cylinder head of an internal combustion piston engine (12) adapted for injecting first and second fuel into a combustion chamber of the internal combustion piston engine, the fuel injector unit (10) comprising in its housing (16): - a first fuel inlet (101) and a second fuel inlet (102) - a first fuel feeding section (100) comprising a hydraulically operated first valve control section (110), and a sealing fluid chamber (118) is arranged between the first fuel gallery (106) and the first valve control section (110) of the first fuel injection valve (102), - a second fuel feeding section (200) comprising a hydraulically operated second valve control section (210), wherein each one of the first valve control section (110), the second valve control section (210) and the sealing fluid chamber (118) are in continuous flow connection with a second fuel inlet for pressurized fuel (102), such that the second fuel acts as hydraulic fluid in the control sections (110, 210) and as sealing fluid in the sealing fluid chamber (118).
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
The disclosure relates a fuel tank (1) for a marine vessel (10). The fuel tank (1) comprises a gas tight manhole (2) provided on an upper portion of the fuel tank (1) and configured to be accessed from above the fuel tank (1) in a use position of the fuel tank to provide access to the fuel tank (1). The fuel tank (1) is a single shell fuel tank and comprises a tank connection space (4) provided at an end (5) or on a side (6) of the fuel tank, which tank connection space (4) comprises a gas tight compartment containing tank penetrations (42) and tank valves (43) for fuel. The fuel tank (1) is provided with a secondary enclosure (7) covering the manhole (2) and limiting a first space (8) between the manhole (2) and the secondary enclosure (7) forming a gas tight compartment isolating the first space (8) from a tank hold space (9). An entrance to the tank connection space (9) is provided through a second space (19). Ventilation is provided the secondary enclosure (7), the tank connection space (9) and the second space (19).
The method of operating a four-stroke piston engine comprises the steps of introducing air into a main combustion chamber (9) during a suction stroke at least via intake valves (7) (101), introducing gaseous fuel into a combustion boosting chamber (10) via first fuel supply means (11) at least during the suction stroke and/or compression stroke (102), compressing, by the movement of a piston (3), the gas mixture in the main combustion chamber (9) during a compression stroke (103), and igniting the gas mixture in the main combustion chamber (9) by means of an ignition device (12) at the end of the compression stroke or at the beginning of the following power stroke in the crank angle range 40 degrees before top dead center (TDC) – 10 degrees after TDC (104).
22, methane and at least 25 vol.% of hydrogen. The invention also relates to a method of producing the fuel mixture as well as to the use of the fuel mixture. Further, a method of operating an internal combustion engine is provided.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
C02F 11/04 - Anaerobic treatmentProduction of methane by such processes
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
Invention relates to a thruster assembly for a marine vessel including a body including a duct having a longitudinal axis, and a first end and a second end, a support structure for a propeller including a propeller shaft at a centre line of the duct, a propeller, positioned into the duct and being attached to the propeller shaft, wherein the propeller including at least three blades and a boss which is supported to the shaft, and further a circular rim to which radial ends of the propeller blades are attached, wherein a circumferential slot is provided, opening inside the duct between the first end and the second end, into which slot the circular rim is arranged to extend radially, and at least one gas inlet arranged to open into the slot. Invention relates also to a transverse tunnel thruster and a steerable azimuthing thruster provided with the thruster assembly.
B63H 5/16 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recessesArrangements on vessels of propulsion elements directly acting on water of propellers with stationary water-guiding elementsMeans to prevent fouling of the propeller, e.g. guards, cages or screens
B63H 11/08 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
29.
MODULAR AND SCALABLE CONTROL SYSTEM FOR LOCAL AND/OR REMOTE MANAGEMENT OF AN ELECTRICAL POWER PLANT
The invention relates to the field of electrical power plant control systems. The invention provides a system for monitoring a modular electrical power plant, the modular electrical power plant comprising at least two power generation units and an auxiliary system. The system for monitoring a modular electrical power plant comprises a plurality of data collection channels for receiving data describing operating conditions of the at least two power generation units and a processing unit configured to generate a user interface. The user interface comprises a single power generation unit view and a multiple power generation unit view, and the processing unit is configured to select between the single power generation unit view and multiple power generation unit view based on the data describing the operating conditions of the at least two power generation units.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
The piston engine comprises cylinders (2) arranged in at least one row (41, 42), at least one exhaust manifold (43, 44) having a longitudinal portion (45) and branches (46) connecting the longitudinal portion (45) to exhaust channels (4) of cylinder heads (1), and a cooling liquid module (23) attached to a cylinder head (1) and arranged to receive cooling liquid from a cooling liquid cavity (16) of the cylinder head (1), the cooling liquid module (23) comprising a lower portion (23A) protruding from the cylinder head (1) below the branch (46) of the exhaust manifold (43, 44) to a direction that is perpendicular to the longitudinal direction of the row (41, 42) of cylinders, a projection of the lower portion (23A) on a horizontal plane extending from the cylinder head (1) to at least the same distance in a direction that is perpendicular to the longitudinal direction of the row (41, 42) of cylinders as a projection of the branch (46) of the exhaust manifold (43, 44).
The cylinder head (1) comprises an inlet channel (3), an exhaust channel (4), intake valve holes (5A, 5B), exhaust valve holes (6A, 6B), a cooling liquid cavity (16) and an integral ex-tension (13) formed on an exhaust side (12) of the cylinder head (1), the extension (13) comprising a first push rod pas-sage (14A) and a second push rod passage (14B), each of the first push rod passage (14A) and the second push rod pas-sage (14B) being configured to allow through passage of a push rod (15) that is configured to operate intake and/or exhaust valves (8, 9) of the cylinder (2), the exhaust channel (4) being arranged to pass through in the extension (13) between the first push rod passage (14A) and the second push rod pas-sage (14B).
A multi-piston engine (1) comprises a multi-cylinder internal combustion reciprocal piston engine. The multi-piston engine (1) comprises a plurality of combustion cylinders, a crankshaft (3), at least one camshaft (12), and a timing drive arranged at a timing drive end (13) of the multi-piston engine (1). The multi-piston engine (1) further comprises, at the timing drive end (13), an intermediate wheel (2) provided between and operationally connected to both the crankshaft (3) and the camshaft(s) (12). The intermediate wheel (2) comprises an eccentric mass configured to balance periodic forces and torques caused by the operation of the multi-piston engine (1).
The disclosure concerns a multi-piston engine (1) having a modular configuration corresponding to a number of said pistons and comprising an engine block (2). An auxiliary device (3-6) associated to a fluid medium and coupled in mechanical power transmission with the engine is arranged on a lateral side of the engine block (2a, 2b), at a longitudinal end (2c, 2d) thereof. The disclosure further relates to a methods associated to such a multi-piston engine and to a marine vessel and a power plant having such a multi-piston engine.
F02B 67/04 - Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functionsDriving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
34.
A MULTI-PISTON ENGINE HAVING AN ENGINE BLOCK WITH AN INDENTATION FOR RECEIVING AN OIL FILTER, A MARINE VESSEL AND A POWER PLANT
The present disclosure concerns a multi-piston engine, comprising an engine block (1) with a plurality of combustion cylinders and a plurality of individual cylinder heads (1d), a longitudinally extending common exhaust channel (6) and a longitudinally extending common charge air receiver (5). The engine block (1) comprises an indentation (2) on an outer surface of the engine block (1), the indentation (2) comprising at least a bottom surface (2a) and a side surface (2a, 2b). The engine further comprises an oil filter (3) at least partly received within said indentation (2), said oil filter (3) being attached to the engine block (1) with brackets (4) extending between the oil filter (3) and the engine block (1).
The cooling system for an internal combustion engine (40) comprises a cooling circuit, in which cooling liquid can be circulated to cool down components of the engine (40) and/or fluids flowing in the engine (40), a pump (1) for pressurizing the cooling liquid, and a flow restriction arrangement for adjusting the flow of cooling liquid, the arrangement (19) comprising a first duct portion (20) forming part of said cooling circuit and having a first cross-sectional area, a second duct portion (21) located downstream from the first duct portion (20) and having a second cross-sectional area that is greater than the first cross-sectional area, and a flow restrictor element (23) that is moveable in the axial direction of the first duct portion (20) and configured such that flow area past the flow restrictor element (23) from the first duct portion (20) to the second duct portion (21) depends on the position of the flow restrictor element (23).
The bearing housing (4) for a cooling liquid pump (1) of an internal combustion engine (40) is configured to receive a first bearing (8) and a second bearing (9) for supporting a shaft (10) of the cooling liquid pump (1), the bearing housing (4) comprising a first inlet (13) for receiving cooling liquid to be pressurized and for supplying the cooling liquid further to an impeller (11) of the cooling liquid pump (1) and a second inlet (14), the first inlet (13) and the second inlet (14) merging into a common inlet chamber (15) for supplying the cooling liquid received via the first (13) and second inlets (14) to said impeller (11) of the pump (1).
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
The cylinder head (1) for a piston engine has a bottom surface (1A) configured to delimit a main combustion chamber (2) and a top surface (1B) facing an opposite direction and configured to receive a gas admission valve assembly (4) attachable to the cylinder head (1), the cylinder head (1) comprising a pre-chamber hole (7), an inlet port (11) for introducing intake air into the main combustion chamber (2), and a gas supply chan-nel (12) having a first end (12A) opening onto the top surface (1B) and a second end opening into the inlet port (11) for in-troducing gaseous fuel into the inlet port (11). The cylinder head (1) further comprises an auxiliary channel (13, 14) hav-ing a first end (13A, 14A) opening onto the top surface (1B) and a second end (13B, 14B) opening into the prechamber hole (7), the first end (13A, 14A) being located in an area con-figured to be covered by the gas admission valve assembly (4).
The bearing shell (1) for a main bearing of a piston engine has an inner surface forming a bearing surface, the inner surface of the bearing shell (1) being provided with a first oil groove (3) arranged in the circumferential direction of the bearing shell (1) at a first end of the bearing shell (1), the first oil groove (3) comprising a first portion (3a) having a constant width and a second portion (3b) forming a continuation for the first portion (3a) in the circumferential direction of the bearing shell (1), the second portion (3b) being narrower than the first portion (3a).
The inner surface of the bearing shell (1) for a bearing (3) that connects a connecting rod (4) of a piston engine to a crank-shaft (5) is provided with an oil groove (10), the oil groove (10) comprising a first portion (11), a second portion (12) and a third, intermediate portion (13) connecting the first portion (11) and the second portion (12). The first and second portions (11, 12) are straight and run in the circumferential direction of the bearing shell (1). The third portion (13) is narrower than the first and second portions (11, 12), and at least part of the third portion (13) runs in a direction that deviates in an axial direc-tion of the bearing shell (1) from the circumferential direction of the bearing shell (1) towards a side of the bearing shell (1).
The power generation unit (1) for a power plant comprises an engine (2) operable using a gaseous fuel, a generator (3) arranged at a first end of the engine (2), a turbocharger (4a, 4b), an air inlet (9, 10, 11) for introducing intake air into the turbocharger (4a, 4b) or air into a space surrounding the engine (2), an exhaust duct section (16, 16a, 16b) for conducting exhaust gas from the turbocharger (4a, 4b), the exhaust duct section (16, 16a, 16b) comprising an outlet (17) connectable to a downstream side exhaust duct section (19), and a set of electrical equipment (20) comprising components dedicated to controlling of the operation of the engine (2), the generator (3) and/or auxiliary equipment, the components comprising at least one processor. Said air inlet (9, 10, 11), outlet (17) and electrical equipment (20) are arranged on a second end side of the engine (2) and at a distance from said end, said electrical equipment (20) being arranged below a first level, said air inlet (9, 10, 11) being arranged above the first level, and said outlet (17) being arranged above a second level located above said air inlet (9, 10, 11).
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
42.
A NOZZLE FOR A COOLING ARRANGEMENT OF A PISTON IN AN INTERNAL COMBUSTION PISTON ENGINE AND A COOLING ARRANGEMENT FOR A PISTON OF AN INTERNAL COMBUSTION PISTON ENGINE
Invention relates to a nozzle (26) for a cooling arrangement (12) of a piston (14) in an internal combustion piston engine (10), the nozzle (26) comprises a body (30) in which a flow channel (32) for cooling oil is arranged, an inlet (34) for cooling oil and an outlet (36) for cooling oil, wherein the inlet (34) comprises attaching means (40) for attaching the nozzle (26) to the engine, where the flow channel (32) comprises at least one flow conditioner (38) section be-tween the inlet (34) and the outlet (36), in which flow conditioner (38) cross-sectional area of the flow channel (32) is comprised of multiple parallel flow conduits (32'), and the outlet (36) has a cross-sectional area which is smaller than the smallest cross-sectional area of the flow channel (32).
According to an example embodiment, a system for analyzing fuel supplied to at least one engine (140-k) of an engine system (100) comprising one or more engines (140) is provided, the system comprising: one or more measurement apparatuses (122, 123, 124, 125) arranged to capture measurement data including respective indications of a viscosity, a temperature and a density of fuel supplied to at least one engine (140-k); and a control entity (150, 160) for determining a fuel type based on the measurement data, the control entity (150, 160) arranged to: derive a temperature-adjusted fuel density based on the indicated density of fuel in dependence of a relationship between the indicated fuel temperature and a predefined density reference temperature, determine fuel category as one of distillate fuel or residual fuel based on the temperature-adjusted fuel density; derive a temperature-adjusted fuel viscosity based on the indicated viscosity of the fuel in dependence of a relationship between the indicated fuel temperature and a viscosity reference in dependence of the determined fuel category, and determine the fuel type as one of one or more predefined fuel types within the determined fuel category based on the temperature-adjusted fuel density and on the temperature-adjusted fuel viscosity.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 25/00 - Controlling two or more co-operating engines
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
Invention relates to cylinder-wise controlling combustion phasing in a multi-cylinder internal combustion piston engine (10) by a double feedback control system in which a set value is determined using the engine speed (20) and the engine load (22) as input values for a predefined combustion phasing map. The set value is adjusted by a first feedback signal obtained by determining a heat release timing at which a predetermined proportion of heat of available combusting fuel and a second feedback signal obtained by determining (104) a mean gross heat release rate (Q') in the cylinder.
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
Invention relates to a connecting rod (10) for a high-pressure piston pump, comprising a crank pin end (12), and a piston end (14), in which the piston end (14) of the connecting rod (10) comprises a piston pin arrangement (18) configured to the connecting rod (10), and extending at opposite sides of the connecting rod (10) transversely to longitudinal direction of the connecting rod (10), and - the piston pin arrangement (18) comprises at least two curved bearing surfaces (20,22), a first bearing surface (20) and a second bearing surface (22), having a common center of curvature (24), wherein the first bearing surface (20) is facing away from the crank pin end (12) of the connecting rod (10) and the second bearing surface (22) is facing towards the crank pin end (12) of the connecting rod (10), - the first bearing surface (20) has a first radius of curvature (R1) and the second bearing surface (22) has a second radius of curvature (R2), the first radius of curvature (R1) being greater than the second radius of curvature (R2). Invention relates also to piston for a high-pressure piston pump compatible with the connecting rod (10) and a high-pressure piston pump comprising the connecting rod (10) and the piston (100).
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
Invention relates to a sealed coupling (10) between two body parts (12,14) of a fuel system (102) for an internal combustion piston engine, where fuel temperature is lower than temperature of surroundings of the body parts (12,14), in which - the body parts (12,14) comprise parallel coupling faces (18,20) at their axial ends, which are brought against each other in the coupling, wherein both body parts (12,14) comprise a flange (22,24) which extends outwards radially from an outer surface of the body part (12,14), - a ring clamp (30.1,30.2) is arranged around both of the flanges (22,24), and the ring clamps (30.1,30.2) are provided with axial holes (34) for attachment bolts, which holes are radially outside the flanges (22,24), - at least one of the coupling faces (18,20) comprises a first circular groove (38) wherein a radially extending land area (48) is formed between inner wall of the body part (12,14) and radially inner wall of the first circular groove (38), - a sealing ring (54) is arranged in the first circular groove (38), - wherein there is an axial gap between the coupling faces (18,20) in the region of the radially extending the land area (48).
An apparatus and a computer implemented method for determining material quality of a component, the method comprising: receiving ultrasonic scan data for a plurality of scanned components; maintaining the scan data within a data storage system; determining historical data associated with multiple parameters based on the scan data of the data storage system; generating a testing model using the historical data, wherein the testing model is configured to define multiple quality ranges for each parameter; scanning a component using at least one ultrasonic probe to provide component data; and determining quality information of the component using the testing model and the component data.
A fuel tank arrangement in a liquid hydrogen fuel supply system (1), the fuel tank arrangement comprising: - a tank (10) for storing liquid hydrogen fuel, the tank (10) is formed of an inner tank shell (10a), an outer tank shell (10b) and a heat insulation (10c) therebetween, - an inlet line (11) for supplying fuel to the tank (10), - a liquid outlet line (12b) for supplying liquid fuel from the liquid space of the tank (10), - a gas outlet line (12a) for supplying gaseous fuel from the gas space of the tank (10), - a main gas evaporator (152) connected to the liquid outlet line (12b) for evaporating liquid fuel into gaseous form and supplying gaseous fuel for a consumer (8), - a tank connection space shell (101) together with a part of the outer tank shell (10b) enclosing a tank connection space (100) wherein lead-throughs to the tank (10), inlet line (11) connected thereto, outlet lines (12a, 12b) connected thereto, the main gas evaporator (152) and ventilation lines (102) are located, - the tank connection space shell (101) is formed of an inner shell (101a), an outer shell (101 b) and an inert gas space (101 c) therebetween, an inert gas supply (130) for supplying inert gas is connected to the inert gas space (101c). The invention relates also to a method in monitoring gas-tightness or potential leakages in the fuel tank arrangement.
The bearing element for the small end of a connecting rod (2) comprises a bearing surface (1a), at least one oil supply hole (5a, 5c) for allowing lubricating oil to be supplied radially through the bearing element (1) onto the bearing surface (1a), and an oil groove (6) connected to said oil supply hole (5a, 5c) for distributing lubricating oil on the bearing surface (1a), the oil groove (6) comprising a first portion (6a), which extends from the oil supply hole (5a, 5c) to a direction, which allows in a mounted state of the bearing element (1) lubricating oil to flow from the oil supply hole (5a, 5c) along the first portion (6a) by gravity, and a second portion (6b) connected to the first portion (6a). The second portion (6b) is shaped so that in a mounted bearing element (1) acceleration of the piston (4) to- wards bottom dead center causes part of the lubricating oil to be trapped in the second portion (6b).
The ventilation arrangement for a crankcase (4) of a turbocharged dual-fuel or multi-fuel piston engine (1) comprises a ventilation line (10) for discharging gases from the crankcase (4), an air feed line (8) for conducting air from an intake duct (6) down-stream from the compressor (3a) of the turbocharger (3) into the crankcase (4), a control valve (9) for controlling air flow in the air feed line (8), and control means (16) for controlling the operation of the control valve (9).
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F01M 13/02 - Crankcase ventilating or breathing by means of additional source of positive or negative pressure
53.
ARRANGEMENT AND METHOD IN LIQUID HYDROGEN FUEL SUPPLY SYSTEM
Invention relates to a fuel tank arrangement in a liquid hydrogen fuel supply sys-tem (1) for storing and providing hydrogen for a gas consumer (8), the system comprising: - an inlet line (11) for providing fuel into a tank (10), - the inlet line (11) having a first valve (111) in the first end and a second valve (112) in the tank end, - the inlet line (11) is provided with an inert gas flush media line (13), the first end of which is connected to the inlet line (11) downstream of the first valve (111), and a second end of which is controllably connected to a source of inert gas (130) for performing an inert gas flushing of the inlet line (11), - the inlet line (11) being provided with a fuel gas flush media line (14), the first end of which is controllably connected to the inlet line (11) downstream of the first valve (111), and a second end of which is connected to a source of gaseous hydrogen (15), for feeding gaseous hydrogen to the inlet line (11) for performing a first flushing of the inlet line (11). The present invention also relates to a method for utilizing the arrangement.
The fuel storage and supply system for a combustion device (3) comprises a first fuel tank (1) for storing a first fuel at a first temperature, a second fuel tank (2) for storing a second fuel at a second temperature, which second temperature is higher than the first temperature, a first fuel supply line (4) for supplying the first fuel to the combustion device (3), a second fuel supply line (5) for supplying the second fuel to the combustion device (3), and at least one heat exchanger (6, 7), which is configured to allow heat transfer from the second fuel to the first fuel.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02M 21/06 - Apparatus for de-liquefying, e.g. by heating
F17C 9/02 - Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
F25J 1/00 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
F17C 9/00 - Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
The fuel storage and supply system for a marine vessel (1) comprising a combustion device (2) operable using a first gaseous fuel and additionally using at least a second gaseous fuel and/or a mixture of the first gaseous fuel and the second gaseous fuel comprises a fixed fuel tank (3) arranged onboard the vessel (1) for storing the first gaseous fuel, a fuel supply line (5) arranged onboard the vessel (1) for supplying fuel from the fixed fuel tank (3) to the at least one combustion device (2), and a tank receiving space (4) that is configured to receive a moveable fuel tank (6) storing the second gaseous fuel, and connection means (7) for connecting the moveable fuel tank (6) to the combustion device (2).
B63B 17/00 - Vessels parts, details, or accessories, not otherwise provided for
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F17C 9/02 - Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
The prechamber (4) for a cylinder (1) of a piston engine comprises a combustion portion (5) for receiving a mixture of air and fuel for ignition of said mixture, and a nozzle portion (6) for establishing fluid communication between the combustion portion (5) and a main combustion chamber (7) of the engine, the nozzle portion (6) comprising a nozzle opening (6a) configured to allow flow from the main combustion chamber (7) into the prechamber (4) and flow from the prechamber (4) into the main combustion chamber (7). The prechamber (4) comprises at least one auxiliary channel (9) having a first end (9a) opening inside the prechamber (4) into the nozzle portion (6) and a second end (9b) opening outside the prechamber (4), the auxiliary channel (9) being configured so that flow from the main combustion chamber (7) into the prechamber (4) during compression stroke and flow from the prechamber (4) into the main combustion chamber (7) during combustion stroke causes fluid flow through the auxiliary channel (9) into the nozzle portion (6).
Invention relates to a thruster assembly (10) for a marine vessel (1) comprising a body (12) comprising a duct (20) having a longitudinal axis (L), and a first end (20.1) and a second end (20.2), a support structure (14) for a propeller (16) comprising a propeller shaft (18) at a centre line of the duct (20), a propeller (16), positioned into the duct (20) and being attached to the propeller shaft (18), wherein the propeller (16) comprising at least three blades (22) and a boss (24) which is supported to the shaft (18), and further a circular rim (26) to which radial ends (22') of the propeller blades are attached, wherein a circumferential slot (28) is provided, opening inside the duct between the first end (20.1) and the second end (20.2), into which slot the circular rim (26) is arranged to extend radially, and at least one gas inlet (30) arranged to open into the slot (28). Invention relates also to a transverse tunnel thruster and a steerable azimuthing thruster provided with the thruster assembly.
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
B63H 5/16 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recessesArrangements on vessels of propulsion elements directly acting on water of propellers with stationary water-guiding elementsMeans to prevent fouling of the propeller, e.g. guards, cages or screens
B63H 1/16 - Propellers having a shrouding ring attached to blades
B63H 1/18 - Propellers with means for diminishing cavitation, e.g. supercavitation
B63H 25/46 - Steering or dynamic anchoring by jets
The present invention relates to the field of monitoring and maintenance of mechanical systems. A method of the present invention uses a torsional vibration model of the mechanical system, such as an internal combustion engine, and sensors installed on the mechanical system to determine the condition of the mechanical system.
The prechamber arrangement for a cylinder (1) of a piston engine comprises a prechamber (4) that is provided with at least one intake valve side nozzle opening (6a) that is configured to discharge fluids from the prechamber (4) into a main combustion chamber (7) on an intake valve side (14) of the cylinder (1), and at least one exhaust valve side nozzle opening (6b) that is configured to discharge fluids from the prechamber (4) into the main combustion chamber (7) on the exhaust valve side (15) of the cylinder (1). The nozzle openings (6a, 6b) of the prechamber (4) are configured to guide the flow from the prechamber (4) into the main combustion chamber (7) on the exhaust valve side (15) of the cylinder (1) more towards the piston (2) than on the intake valve side (14) of the cylinder (1).
A engine-generator set includes a generator for producing electricity and an engine that is coupled via flexible coupling to a shaft of the generator for driving the generator, the engine being supported against a support surface by a plurality of resilient mounting elements, and the generator being supported against a support surface by a plurality of resilient mounting elements separately from the engine, wherein the engine is mechanically connected to the generator solely via the flexible coupling.
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
F16F 15/14 - Suppression of vibrations in rotating systems by making use of members moving with the system using freely-swinging masses rotating with the system
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
Exemplary embodiments include a method for analysis of fuel supplied to a combustion engine during operation of the engine. The method can include obtaining respective indications of a temperature of the fuel supplied to the engine and a density of the fuel supplied to the engine; deriving a temperature-adjusted fuel density based on the indicated density of fuel in dependence of relationship between the indicated temperature of the fuel and a predefined reference temperature; and deriving, based at least on the temperature-adjusted fuel density, a heating value that is descriptive of the amount of heat released during combustion of a predefined amount of the fuel.
The present application relates to method and system of monitoring liquefied gas in a cryogenic liquefied gas tank having an inner shell and an outer shell and an insulation between the inner and outer shell. An exemplary method includes arranging an array of temperature sensors for measuring a temperature of the inner shell wall at different vertical positions, reading sensors in the array, performing a validity check of the sensors, and using only sensors which passed the validity check only, determining a state of the gas based on the temperature data.
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
A lock and pin for the structural and fluid tight repair of cracks not amenable to high temperature repairs or synthetic material patches. Fluid tight pins and locks seal the crack while one or more locks prevent the crack from growing. These repairs need to endure the remaining life cycle of the machinery part while withstanding all the strain, pressure, heat and expansion and contraction of the part before the crack(s) were formed. Often these cracks evolved due to engineering design flaws that will require even greater strength from these areas than when new.
The present disclosure relates to a computer-implemented method, a computing device and a computer program product for predicting running hour information of marine vessel engine. An exemplary method includes receiving engine installation information, receiving engine running hour information from an engine running hours storage system, receiving vessel identification and movement data and generating a dynamic engine running hour model by combining the engine installation information, the engine running hour information and the vessel identification and movement data. Predicted running hour information is predicted based on the dynamic engine running hour model.
G07C 5/04 - Registering or indicating driving, working, idle, or waiting time only using counting means or digital clocks
B63H 21/21 - Control means for engine or transmission, specially adapted for use on marine vessels
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
66.
A MOUNTING UNIT FOR A TURBOCHARGER ARRANGEMENT OF A RECIPROCATING INTERNAL COMBUSTION ENGINE, A TURBOCHARGER ARRANGEMENT AND RECIPROCATING INTERNAL COMBUSTION ENGINE
A mounting unit (1, 1') for a turbocharger arrangement of a reciprocating internal combustion engine is provided as a single, rigid structure formed at least by a mounting base (6), a hot low-pressure air channel (2), a cool low-pressure air channel (3), a hot high- pressure air channel (4) and a cool high-pressure air channel (5). At least the low-pressure 5 turbocharger compressor outlet port (2a) and the high-pressure turbocharger compressor outlet port (4a) are arranged at the mounting base (6) such that a low-pressure turbocharger compressor outlet (8b) and a high-pressure turbocharger compressor outlet (10b) can be directly coupled thereto, respectively, thereby simultaneously physically mounting the turbochargers (8, 10) to the mounting unit (1). A turbocharger arrangement 10 and a reciprocating internal combustion engine are also concerned.
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
67.
METHOD AND APPARATUS FOR AUTOMATED BOIL-OFF GAS (BOG) MANAGEMENT OF MARINE VESSEL
Apparatus and computer-implemented method for automated boil-off gas (BOG) management of a marine vessel, the method comprising: determining route plan information of the marine vessel for a dedicated route; determining boil-off gas (BOG) information associated to the dedicated route using the route plan information, wherein the boil-off gas (BOG) information comprises reference boil-off gas (BOG) rates for different phases of the dedicated route including at least docking and cruising phases; generating dynamic boil-off gas (BOG) model using the route plan information and the boil-off gas (BOG) information; determining real-time boil-off gas (BOG) rates through the dedicated route; and automatically controlling boil-off gas (BOG) usage in vessel energy management based on the dynamic boil-off gas (BOG) model and the real-time boil-off gas (BOG) rates.
Apparatus and computer-implemented method configured to determine a reverse osmosis (RO) model using membrane recovery ratio (RR) and distillate flow rate; determine a multi stage flash (MSF) model using brine salinity, feed salinity and fresh water mass flow rate; receive target fresh water flow rate, target fresh water salinity and seawater temperature information; and determine hybrid desalination plant configuration using the reverse osmosis (RO) model, the multi stage flash (MSF) model and the target fresh water flow rate, the target fresh water salinity and the seawater temperature information.
B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltrationApparatus, accessories or auxiliary operations specially adapted therefor
69.
A COUNTERWEIGHT FOR A CRANKSHAFT OF A RECIPROCATING INTERNAL COMBUSTION PISTON ENGINE, A CRANKSHAFT AND AN ENGINE INCORPORATING SUCH A COUNTERWEIGHT, AND A METHOD FOR MANUFACTURING SUCH A COUNTERWEIGHT
The disclosure concerns a counterweight (2) for a crankshaft (1) of a reciprocating internal combustion piston engine with a high density insert (5). A crankshaft (1) equipped with such a counterweight, a reciprocating internal combustion piston engine provided with such crankshaft (1) and a method for manufacturing such a counterweight are also concerned. The disclosure is based on the idea of providing the body (3) of the counterweight (2) as a one-piece, monolithic structure defining a cavity (4), in which the insert (5) is housed. Particularly, the cavity (4) has a single opening (4a) towards a side (3a) at which the counterweight (2) is attachable to a crankshaft (1), through which the insert (5) is cast into the cavity (4).
A computer implemented method, a control unit and a computer program for determining a configuration of a battery pack having one or more battery modules configured to be operationally connected as a string of battery modules, wherein a battery module includes a radio frequency identification, RFID, reader configured to read a radio frequency identification, RFID, tag of an adjacent battery module, by receiving first data from a first battery module (BM1), wherein the first data includes a module identifier of the first battery module (BM1) associated with second data of a second battery module (BM2) adjacent to the first battery module (BM1), the second data including at least a module identifier of the second battery module (BM2); and determining the configuration of the battery pack based on the first and second data.
G06F 15/177 - Initialisation or configuration control
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
H04B 5/77 - Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
An exemplary power plant construction is configured to accommodate an internal combustion engine and a generator driven by the internal combustion engine, and includes a front wall, a rear wall and side walls, at least the side walls being modular walls having at least two wall modules arranged one upon the other, the wall modules being self-supporting modules having a shape of a rectangular prism, wherein the wall modules arranged one upon the other form a self-supporting wall, and wherein the uppermost wall module of each side wall includes a beam that is parallel to the longitudinal direction of the side walls and configured to function as a runway beam of an overhead crane.
E04H 5/02 - Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
E04B 1/82 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
E04B 2/58 - Walls of framework or pillarworkWalls incorporating load-bearing elongated members with elongated members of metal
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
72.
METHOD OF OPERATING A FOUR STROKE INTERNAL COMBUSTION PISTON ENGINE
Invention relates to a method of operating a four stoke internal combustion piston engine (100) comprising a) forming a charge into a combustion chamber (28) of a cylinder (10) of the engine (100) comprising steps of: removing exhaust gas from the combustion chamber (28) during movement of a piston (32) towards the next top dead center position of the piston (32) by controllably open, and closing an exhaust valve (22) of the cylinder (10) so that a predetermined amount of exhaust gas from combustion of previous charge, is left in the combustion chamber (28), and introducing lower reactivity fuel into the intake air during a subsequent in-take stroke of the piston (32) and introducing the lower reactivity fuel and the intake air into the combustion chamber (28) of a cylinder (10) of the engine (100) during the intake stroke via an inlet valve, and introducing a controlled amount of higher reactivity fuel into the combustion chamber (28) of the cylinder (10); b)compressing the charge in the combustion chamber (28) and igniting the charge by compression ignition in the combustion chamber (28) thus forming exhaust gas, c) determining a lambda data for the combustion of the charge, and d) controlling the closing timing of the exhaust gas valve of the cylinder (10) by making use of the lambda data.
F02D 19/10 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02D 13/02 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Scientific, research, navigation, surveying, photographic,
cinematographic, audiovisual, optical, weighing, measuring,
signalling, detecting, testing, inspecting, life-saving and
teaching apparatus and instruments; apparatus and
instruments for conducting, switching, transforming,
accumulating, regulating or controlling the distribution or
use of electricity; apparatus and instruments for recording,
transmitting, reproducing or processing sound, images or
data; recorded and down-loadable media, computer software,
blank digital or analogue recording and storage media;
mechanisms for coin-operated apparatus; cash registers,
calculating devices; computers and computer peripheral
devices; diving suits, divers' masks, ear plugs for divers,
nose clips for divers and swimmers, gloves for divers,
breathing apparatus for underwater swimming;
fire-extinguishing apparatus; software; recorded content;
application software; web application software; server
software; computer programs; workflow software; simulation
software; cloud computing software; downloadable cloud
computing software; data processing software; data and image
processing software for making three dimensional models;
optimisation software; system support software; CFD
(computational fluid dynamics) software; 3D animation
software; all the aforementioned goods relating to dynamic
positioning, vessel manoeuvring, nautical station keeping,
marine propulsion control systems, marine power and
propulsion systems, fluid mechanics and hydrodynamics. Scientific and technological services and research and
design relating thereto; industrial analysis, industrial
research and industrial design services; quality control and
authentication services; design and development of computer
hardware and software; scientific and technological
services; design services; technological planning services;
computer aided design services; computer aided scientific
analysis services; conducting engineering surveys;
programming of computer software for evaluation and
calculation of data; design and development of computer
software for evaluation and calculation of data; software as
a service [saas]; software as a service for simulation;
software as a service for cad/cam; software as a service for
computational fluid dynamics (CFD); software as a service
for engineering optimization and parameter optimization;
software consultancy services; consultancy and advice in the
design and development of computer hardware and software;
technical support services relating to computer software and
applications; computer software integration; software
development, programming and implementation; design and
development of operating system software; design and
development of computer software for simulation; all the
aforementioned services relating to dynamic positioning,
vessel manoeuvring, nautical station keeping, marine
propulsion control systems, marine power and propulsion
systems, fluid mechanics and hydrodynamics.
74.
A SYSTEM FOR PRODUCING LIQUEFIED PRODUCT GAS AND METHOD OF OPERATING THE SAME
Invention relates a system (10) for producing liquefied product gas comprising atleast two compressors (12.1,12.2,12.3,12.4), at least two expanders (14.1, 14.2)and a system of heat exchangers (18) arranged to a closed single phase refrig-erant gas flow circuit (20), and a gas liquefaction passage arranged in connectionwith the system of heat exchangers (18) so as to liquefy the product gas,5wherein the least two compressors (12.1,12.2,12.3,12.4) are coupled in serieswith each other in the refrigerant circuit (20), andthe at least two expanders (14.1, 14.2) are coupled in parallel which each otherin the refrigerant circuit (20), and whereinthe compressors (12.1,12.2,12.3,12.4) and the expanders (14.1, 14.2) are me-10chanically coupled with each other by a drive system (16).
F25J 1/00 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
F25J 1/02 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen
A computer implemented method and apparatus for a marine vessel data system, the method comprising: receiving data from at least one sensor configured to measure vibration and operationally arranged to the marine vessel to provide time-domain reference sensor data; maintaining the time-domain reference sensor data within a data storage system; generating a Fast Fourier Transform (FFT) on the time-domain reference sensor data to provide a plurality of reference spectra files in frequency-domain, wherein each reference spectra file comprises spectra data defined by amplitude information and frequency information, and each spectra file is associated with condition information determined based on collection of the time-domain reference sensor data; normalizing each reference spectra file by converting the frequency information to order information using the condition information to provide normalized reference spectra files; and training a convolutional autoencoder type of neural network using the normalized reference spectra files.
B63B 79/20 - Monitoring properties or operating parameters of vessels in operation using models or simulation, e.g. statistical models or stochastic models
G06K 9/62 - Methods or arrangements for recognition using electronic means
G06F 17/14 - Fourier, Walsh or analogous domain transformations
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
76.
Apparatus and computer implemented method in marine vessel data system for generating anomaly heatmap information using neural network
A computer implemented method and apparatus for a marine vessel data system, the method comprising: receiving data from at least one sensor configured to measure vibration and operationally arranged to the marine vessel to provide time-domain reference sensor data; maintaining the time-domain reference sensor data within a data storage system; generating a Fast Fourier Transform (FFT) on the time-domain reference sensor data to provide a plurality of reference spectra files in frequency-domain, wherein each reference spectra file comprises spectra data defined by amplitude information and frequency information, and each spectra file is associated with condition information determined based on collection of the time-domain reference sensor data; normalizing each reference spectra file by converting the frequency information to order information using the condition information to provide normalized reference spectra files; and training a convolutional autoencoder type of neural network using the normalized reference spectra files.
B63B 43/00 - Improving safety of vessels, e.g. damage control, not otherwise provided for
B63B 17/00 - Vessels parts, details, or accessories, not otherwise provided for
G06F 17/14 - Fourier, Walsh or analogous domain transformations
G06K 9/62 - Methods or arrangements for recognition using electronic means
G06V 10/75 - Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video featuresCoarse-fine approaches, e.g. multi-scale approachesImage or video pattern matchingProximity measures in feature spaces using context analysisSelection of dictionaries
Invention relates a gas valve unit (10) comprising at least a gas pipe (14) for transporting gas through the gas valve unit (10), a control valve (20) arranged to the gas pipe (14), an enclosure (12) for enclosing the gas pipe (14) and the control valve (20), and having an inlet (16) and an outlet (18) of the gas pipe (14), wherein the enclosure (12) comprises a base plate (24) having a first side (24.1) and a second side (24.2), and a casing (28) arranged at the first side (24.1) of the base plate (24). The casing (28) having a flange part (42) which encircles a casing rim, and which flange part (42) is arranged against the base plate (24) such as forming a space in the casing (28) delimited by the inner wall of the casing (28) and the base plate (24), and the gas pipe (14) and the control valve (20) are supported by the base plate (24) at the first side (24.1) of the base plate (24), and the base plate (24) comprises an inlet lead-through (44) for the gas pipe (14) inlet, and an outlet lead-through (46) for the gas pipe (14) outlet.
A DIRECT INJECTION GASEOUS FUEL FEEDING SYSTEM FOR A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE, A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE AND METHOD OF OPERATING A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE
Invention relates to a direct injection gaseous fuel feeding system (10) for an internal combustion piston engine (1), the fuel feeding system (10) comprising a liquefied gas storage tank (14) configured to store liquefied gas in cryogenic conditions, a fuel feed line (16) extending from the tank to a fuel injector in the engine (1), which fuel feed line (16) comprises at least the following: a liquefied gas high pressure pump unit (18), a heat exchanger unit (22) for evaporating the liquefied gas and heating the gaseous gas, and a gaseous gas accumulator (24) between the heat exchanger unit (22) and the fuel injector, and at least two gaseous gas fuel injectors in fluid communication with the gaseous gas accumulator (24). The liquefied gas high pressure pump unit (18) comprises a reciprocating piston having a pumping part (32) and a drive part (34), and a hydraulic drive assembly (36) arranged to controllably subject hydraulic power fluid from a source of hydraulic power fluid (102) to the drive part (34) of the reciprocating piston for driving the piston in reciprocating manner.
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02M 35/16 - Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
79.
Threaded fastener having a thread crest greater than its thread root and V angles on the crest and root
An interlocking thread with a tooth-cross-section that is wider at its crest than at its root and with “V” angles located both along the crest and the root which tightens into a tapped hole that has a similar thread cross-section.
Invention relates to an antipolishing ring (22) for an internal combustion piston engine (10) comprising an axial center axis (A), a radially inner surface (24) extending in the direction of the center axis (A) configured to scrape of deposit from a piston (14) when assembled to the engine (10), a radially outer surface (26) extending in the direction of the center axis (A) configured to contact a cylinder liner (16), a first axial end (28) extending between the radially inner surface (24) and the radially outer surface (26) configured to face the a cylinder head (18) when assembled to the engine (10), a second axial end (30) extending between the radially inner surface (24) and the radially outer surface (26), at axially opposite end to the first axial end (28), wherein the first axial end (28) of the antipolishing ring comprises a compound bevel portion (38) at radially inner side of the antipolishing ring (22).
s111111) that exhibits local maxima at a frequency that has a pre- defined relationship to the rotation speed, wherein the state detector (220) is arranged to derive, based on the electrical signal, a state indication (121) and a diagnostic signal (223), where the state indication (121) indicates whether the electrical signal represents one of a high state or a low state and where the diagnostic signal (223) is descriptive of the operational state of the speed measurement circuit (220); and a controller (230) coupled to receive the state indications (121) and the diagnostic signal (223) and arranged to compute the rotation speed based on a time series of the state indications (121) in dependence of the diagnostic signal (223) in view of said predefined relationship.
Invention relates to a camshaft assembly (10) for an internal combustion piston engine comprising an intermediate section (106) which has a number identically constructed segments (108) arranged on a common longitudinal axis (A), wherein each one of the segments (108) comprises a timing member (108.3) and a segment member (108.0): the timing member (108.3) comprising a first axial end (118) and a second axial end (120), a first circular array of bolt holes (130) at the first axial end (118) of the timing member (108.3), a second circular array of bolt holes (132) at the second axial end (120) of the timing member (108.3), the segment member (108.0) comprising a first axial end (110) and a second axial end (116), an outer bearing surface (122) at the first axial end (110) of the segment member, the outer bearing surface (122) extending in axial direction, a third circular array of bolt holes (132') at the first axial end of the segment member (108.0), a fourth circular array of bolt holes (130') at the second axial end (116) of the segment member (108.0), and the cam surfaces 1(24,126,128) of the camshaft assembly (10). Invention relates also to method of assembling a camshaft assembly into an engine block (1).
Invention relates to a method of configuring a gas exchange valve assembly (10) in an internal combustion piston engine comprising providing a gas exchange valve (16), providing a valve seat (18), arranging an abrasive wearing overlay (28) on base material at a region of a sealing surface (26) of first one of the gas exchange valve disk (16.2) and the valve seat (18), assembling the valve seat into a gas exchange valve body, assembling the valve into the gas exchange valve body, and while running the engine, rotating the valve (16) around its longitudinal axis during its lift and/or close movements such that the sealing surface (26) of the valve detach and/or touch the valve seat in the gas exchange valve body by a movement comprising a rotational component, wherein the abrasive wearing overlay (28) machines the sealing surface (26).
F01L 1/32 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for rotating lift valves, e.g. to diminish wear
A computer implemented method system and apparatus for determining remaining life of engine oil in an engine includes generating reference engine profile data by determining reference engine parameters of a reference engine; determining reference engine oil lubrication data based on mechanical testing of an oil sample from the reference engine; generating a reference model by associating the reference engine profile data with the reference engine oil lubrication data; receiving the reference model at an engine apparatus; measuring engine parameters relating to operation conditions of an engine of the engine apparatus; and determining remaining life of engine oil in the engine of the engine apparatus using the reference model and the engine parameters.
F16N 29/04 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditionsUse of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be givenSpecial means in lubricating arrangements or systems providing for the indication or detection of undesired conditionsUse of devices responsive to conditions in lubricating arrangements or systems enabling moving parts to be stopped
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chocking compounds [adhesives] for marine and industrial
equipment installation; pourable epoxy resin compositions in
the nature of adhesives for installation of marine and
industrial machinery and equipment; plastics and adhesives
in the form of powders, liquids or pastes for industrial
applications.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chocking compounds [adhesives] for marine and industrial
equipment installation; pourable epoxy resin compositions in
the nature of adhesives for installation of marine and
industrial machinery and equipment; plastics and adhesives
in the form of powders, liquids or pastes for industrial
applications.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Computer software for processing, testing and measuring data collected from hydroelectric power plants to increase efficiency, promote reliability and guarantee operational performance, computer software for processing, testing and measuring data collected in the fields of dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, computer software for use in electronic storage of data collected from hydroelectric power plants to increase efficiency, promote reliability and guarantee operational performance and in the fields of dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, downloadable application software for use in database management, web application software for processing, testing and measuring data collected in the fields of dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics and for processing, testing and measuring data collected from hydroelectric power plants to increase efficiency, promote reliability and guarantee operational performance, server software, namely, downloadable network access server operating software, downloadable computer programs for accessing information in the fields of dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, downloadable software for managing workflow software in the fields of dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, downloadable simulation software for modeling marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, downloadable data processing software for processing data collected in the fields of dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics and for processing data collected from hydroelectric power plants to increase efficiency, promote reliability and guarantee operational performance, downloadable data and image processing software for making three dimensional models, downloadable computer software for process optimization, downloadable network system support software for monitoring of computer network systems, downloadable software for analyzing computational fluid dynamics (CFD), downloadable software for creating 3D animation software, all the aforementioned goods relating to marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics. (1) Scientific and industrial research in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, industrial analysis, industrial research and industrial design services in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, quality control services for others in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, design and development of computer hardware and software, mechanical, electrical and chemical engineering design services, computer aided graphic design services, computer aided scientific analysis in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, engineering surveying services, programming of computer software for evaluation and calculation of data in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, design and development of computer software for evaluation and calculation of data in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, software as a service [SAAS] services featuring software for evaluation and calculation of data in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, software as a service (SAAS) services featuring software for analyzing computational fluid dynamics (CFD), software as a service (SAAS) services featuring software for engineering optimization and parameter optimization in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, software development consultancy services, consultancy and advice in the design and development of computer hardware and software, technical support services relating to computer software and applications, namely, troubleshooting of computer software problems, computer software integration, namely, integration of computer software into multiple systems and networks, software development, software programming and implementation of software for secure network operations, design and development of operating system software for accessing and using a cloud computing network, design and development of computer simulation software for modelling marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics, all the aforementioned services relating to marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downloadable software for data processing, electronic storage of data; downloadable application software for use in database management and use in electronic storage of data; server software, namely, downloadable network access server operating software; downloadable software for managing workflow software; downloadable simulation software for modeling marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics; downloadable data processing software; downloadable data and image processing software for making three dimensional models; downloadable system support software for monitoring of computer network systems; downloadable software for analyzing computational fluid dynamics (CFD); downloadable software for creating 3D animation software; all the aforementioned goods relating to marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics Scientific and industrial research in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics; industrial analysis, industrial research and industrial design services in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics; quality control services for others; design and development of computer hardware and software; engineering design services; computer aided design services; computer aided scientific analysis services in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics; conducting engineering surveys; programming of computer software for evaluation and calculation of data; design and development of computer software for evaluation and calculation of data; software as a service (SAAS) services featuring software for evaluation and calculation of data in the field of marine industry, marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics; software as a service (SAAS) services featuring software for analyzing computational fluid dynamics (CFD); software as a service (SAAS) services featuring software for engineering optimization and parameter optimization; software development consultancy services; consultancy and advice in the design and development of computer hardware and software; technical support services relating to computer software and applications, namely, troubleshooting of computer software problems; computer software integration, namely, integration of computer software into multiple systems and networks; software development, software programming and implementation of software; design and development of operating system software; design and development of computer simulation software for modelling marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics; all the aforementioned services relating to marine dynamic positioning, vessel maneuvering, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics
89.
METHOD AND APPARATUS FOR DETERMINING MATERIAL QUALITY OF COMPONENT
An apparatus and a computer implemented method for determining material quality of a component, the method comprising: receiving ultrasonic scan data for a plurality of scanned components; maintaining the scan data within a data storage system; determining historical data associated with multiple parameters based on the scan data of the data storage system; generating a testing model using the historical data, wherein the testing model is configured to define multiple quality ranges for each parameter; scanning a component using at least one ultrasonic probe to provide component data; and determining quality information of the component using the testing model and the component data.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and down-loadable media, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers and swimmers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus; Software; Recorded content; Application software; Web application software; Server software; Computer programs; Workflow software; Simulation software; Cloud computing software; Downloadable cloud computing software; Data processing software; Data and image processing software for making three dimensional models; Optimisation software; system support software; CFD (computational fluid dynamics) software; 3D animation software; all the aforementioned goods relating to dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics. Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software; Science and technology services; Design services; Technological planning services; Computer aided design services; Computer aided scientific analysis services; Conducting engineering surveys; Programming of computer software for evaluation and calculation of data; Design and development of computer software for evaluation and calculation of data; Software as a service [SaaS]; software as a service for simulation; software as a service for CAD/CAM; software as a service for computational fluid dynamics (CFD); software as a service for engineering optimization and parameter optimization; Software consultancy services; Consultancy and advice on computer software and hardware; Technical support services relating to computer software and applications; Computer software integration; Software development, programming and implementation; Design and development of operating system software; Design and development of computer software for simulation; all the aforementioned services relating to dynamic positioning, vessel manoeuvring, nautical station keeping, marine propulsion control systems, marine power and propulsion systems, fluid mechanics and hydrodynamics.
91.
Method and apparatus for plain bearing crush height measurement
A method and apparatus for determining crush height of a plain bearing shell, including a light source for forming illuminating light to the plain bearing shell; a sensor device configured to capture an image; at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to: capture a first image of the plain bearing shell in a first mode, wherein no external compression stress in a circumference direction of the plain bearing shell is formed; generate plain bearing data based on the first captured image; maintain housing reference data including at least diameter information of a bore for receiving the plain bearing shell; and determine crush height of the plain bearing shell based on the plain bearing data and the housing reference data.
Invention relates to an assembly (10) for transmitting force from a rocker arm (14) to an end of two valve stems (16) in an internal combustion piston engine, comprising a guide part (18) and a yoke part (20), wherein the guide part (18) comprising a guiding surface (24), a first conduit (26) for introducing lubrication oil to the yoke part (20), which first conduit (26) has at least one inlet, and at least one outlet (30) at the guiding surface (24) of the guide part (18), and the yoke part (20) comprising an axially elongated guide opening (32) to receive the guide part (18), having a first longitudinal axis (A1), and a guiding surface (34) arranged to cooperate with the guiding surface (24) of the guide part (18), a second conduit (36) for receiving lubrication oil from the guide part (18) having an inlet (38) at 10 the guiding surface (34) of the guide opening (32), two arms (20.2, 20.3), which comprise a cylindrical space (40) having a second longitudinal axis (A2), at an end of the arms (20.2, 20.3), wherein the first and the second longitudinal axes (A1, A2) are parallel to each other, and wherein the second conduit (36) has an outlet (44) opening into the cylindrical space (40), a piston member (42) arranged to each one of the cylindrical spaces (40) in the arms (20.2, 20.3), configured to transmit force from the yoke part (20) to an end a valve stem (16), and the second conduit (36) is provided with a one-way valve (46) in operational connection with each one of the cylindrical spaces (40).
F01L 1/24 - Adjusting or compensating clearance, i.e. lash adjustment automatically by fluid means, e.g. hydraulically
F01L 1/26 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gearValve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines with more than two lift valves per cylinder
A METHOD OF DETECTING A DEVIATION IN OPERATION OF A PRESSURE SENSOR FOR INTERNAL COMBUSTION PISTON ENGINE AND COMPUTER READABLE MEMORY DEVICE FOR DETECTING A DEVIATION IN OPERATION OF A PRESSURE SENSOR
G01L 27/00 - Testing or calibrating of apparatus for measuring fluid pressure
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
The engine-generator set comprises a generator (2) for producing electricity and an engine (1) that is coupled via flexible coupling (8) to a shaft (3) of the generator (2) for driving the generator (2), the engine (1) being supported against a support surface (5) by means of a plurality of resilient mounting elements (6), and the generator (2) being supported against a support surface (5) by means of a plurality of resilient mounting elements (7) separately from the engine (1), wherein the engine (1) is mechanically connected to the generator (2) solely via the flexible coupling (8).
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
F16D 3/00 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
F16K 5/00 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
G01M 7/00 - Vibration-testing of structuresShock-testing of structures
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
The engine-generator set comprises a generator (2) for producing electricity and an engine (1) that is coupled via flexible coupling (8) to a shaft (3) of the generator (2) for driving the generator (2), the engine (1) being supported against a support surface (5) by means of a plurality of resilient mounting elements (6), and the generator (2) being supported against a support surface (5) by means of a plurality of resilient mounting elements (7) separately from the engine (1), wherein the engine (1) is mechanically connected to the generator (2) solely via the flexible coupling (8).
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
F16D 3/00 - Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
F16K 5/00 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
G01M 7/00 - Vibration-testing of structuresShock-testing of structures
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
96.
COMPUTER-IMPLEMENTED METHOD FOR OPTIMIZING MARINE VESSEL THRUST ALLOCATION FOR PLURALITY OF THRUSTER UNITS
Apparatus and computer-implemented method for optimizing marine vessel thrust allocation for a plurality of thruster units, the method comprising: receiving marine vessel characteristics and thruster unit location information; determining performance profile in view of different azimuth degrees for each thruster unit based on the marine vessel characteristics and thruster unit location information, wherein the performance profile comprises thruster restriction zone information; receiving environmental information; generating a hydrodynamic thrust model by combining performance profiles of active thruster units and the environmental information; and determining thrust vector information for each active thruster unit based on the hydrodynamic thrust model.
B63B 79/15 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
B63B 79/30 - Monitoring properties or operating parameters of vessels in operation for diagnosing, testing or predicting the integrity or performance of vessels
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63H 25/42 - Steering or dynamic anchoring by propulsive elementsSteering or dynamic anchoring by propellers used therefor onlySteering or dynamic anchoring by rudders carrying propellers
G05D 1/02 - Control of position or course in two dimensions
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
Goods & Services
Marine propulsion units and power transmission equipment for
vessels, parts and fittings therefor. Steering equipment for vessels, parts and fittings therefor;
propellers, rudders and steering gears for vessels, parts
and fittings therefor. Installation, maintenance and repair of propulsion units,
power transmission equipment, steering equipment and
steering gears for vessels.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
industrial adhesives in the nature of chocking compounds for marine and industrial equipment installation; pourable epoxy resin compositions in the nature of industrial adhesives for installation of marine and industrial machinery and equipment; unprocessed plastics and industrial adhesives in the form of powders, liquids or pastes, all for industrial applications
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
industrial adhesives in the nature of chocking compounds for marine and industrial equipment installation; pourable epoxy resin compositions in the nature of industrial adhesives for installation of marine and industrial machinery and equipment; unprocessed plastics and industrial adhesives in the form of powders, liquids or pastes, all for industrial applications
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
Goods & Services
Marine propulsion units and power transmission equipment for
vessels, parts and fittings therefor. Steering equipment for vessels, parts and fittings therefor;
propellers, rudders and steering gears for vessels, parts
and fittings therefor. Installation, maintenance and repair of propulsion units,
power transmission equipment, steering equipment and
steering gears for vessels.
