The present invention pertains to inserts for a spark plug sleeve of a combustion engine as well as a spark plug sleeve comprising such insert, a corresponding spark plug system and spark plug. In particular, inserts are suggested to improve a cooling of a spark plug mounted in a spark plug sleeve. Accordingly, an insert (22) for a spark plug sleeve (12) of a combustion engine is suggested, comprising a longitudinal body having an outer wall (28), said outer wall (28) defining an inner cavity being configured to removably accommodate a spark plug (10) therein in the mounted state of the insert (22), wherein the longitudinal body is configured to be movably arranged within the spark plug sleeve (12) between a first position sealing a radial opening (38) of the spark plug sleeve (12) and a second position providing a fluid communication between the radial opening (38) and an end portion (16) of the spark plug (10) in the mounted state of the insert (22).
The present invention pertains to a detection method for detecting a short-lived speed sensing anomaly of an internal combustion engine. The detection method comprises the steps of performing a sensor health check, detecting an engine speed deviation, performing a torque deviation check and identifying whether the detected engine speed deviation refers to a short-lived speed sensing anomaly based on the sensor health check and the torque deviation check. Furthermore, a device suitable for carrying out the detection method according to the present disclosure may be provided, comprising a control unit configured to perform the detection method according to the invention.
Method for detecting abnormal combustion, in particular combustion knock or pre-ignition, in at least one cylinder of an internal combustion engine, comprising a step of determining cylinder specific measurement data for each one of the at least one cylinder based on measurement signals acquired by at least one vibration sensor; a step of obtaining a cylinder specific detection configuration for each one of the at least one cylinder; and a step of analyzing, for each one of the at least one cylinder, the cylinder specific measurement data based on the associated detection configuration to detect an abnormal combustion condition.
The present invention pertains to a spark plug comprising a housing, an insulator for electrically insulating a center electrode provided at least partly on the inside of the insulator. The housing of the spark plug is configured such that in a mounted state, an annular gap is formed between the housing and the insulator. The annular gap is filled with a heat-conducting element.
H01T 13/36 - Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
5.
SPARK PLUG ASSEMBLY WITH A SEATING OF A TAPERED SHAPE
The present invention pertains to a spark plug assembly (10) for a gas engine, comprising a spark plug (16) and a spark plug sleeve (18), wherein a seating (26) between the spark plug (16) and the spark plug sleeve (18) has a tapered shape.
A spark plug (16) for a gas engine, comprising a seating surface (26a) of a tapered shape, a first thread (20a) and a second thread (21a), wherein the seating surface (26a) is interposed between the first thread (20a) and the second thread (21b).
The present invention pertains to a knock detection method for a gas engine, comprising the steps of retrieving (S10) a gas engine vibration signal (12); characterizing (S20) the retrieved vibration signal (12) to obtain a characterized signal (14); detecting (S30) a knocking signal (18) by comparing the characterized signal (14) to a predetermined threshold signal (16); and qualifying (S40) the detected knocking signal (18) as indicating a true knocking event or a false positive knocking event, based on at least one further gas engine operation parameter.
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
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02D 41/22 - Safety or indicating devices for abnormal conditions
G01L 23/22 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquidIndicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion enginesUnits comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
8.
NOISE SOURCE IDENTIFICATION AND MITIGATION METHOD, DEVICE, GAS ENGINE USING SUCH, AND KNOCK DETECTION METHOD
The present invention pertains to a noise source identification and mitigation method for a knock detection method of a gas engine, comprising the steps of retrieving (S40F) a false-positive knocking signal, determining (S45) if the false-positive knocking signal (18F) stems from a predetermined noise signal or an unidentified noise signal, and triggering (S47) an action suitable for avoiding detections of noise signals similar to the false-positive knocking signal (18F).
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
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
9.
Prevention of Backfiring of a Pre-Chamber Gas Valve of a Combustion Engine
The present invention pertains to arrangements for a pre-chamber of a combustion engine as well as pre-chambers comprising such arrangements, in particular to avoid or impair backfiring or flashbacks of a combustible mixture and/or to enable a flame retardation within a respective pre-chamber. Accordingly, an arrangement for a pre-chamber gas valve of a combustion engine, preferably a gas engine, is suggested, which comprises a housing having an outer surface and comprising a channel, wherein a first end of the channel is in fluid communication with the outer surface and a second end of the channel is connectable to a valve seat of the pre-chamber gas valve. The arrangement furthermore comprises a plurality of protrusions extending radially outward from the outer surface of the housing. The first end of the channel is arranged upstream of the second end of the channel and downstream of the protrusions, wherein the protrusions are spaced apart from each other in a circumferential direction and define a respective cavity between respective adjacent protrusions, each cavity having an extension being larger in a radial direction and/or axial direction than an extension in the circumferential direction.
The present invention refers to a cylinder liner for an internal combustion engine, comprising a flange having a seat-engaging surface which is configured for bearing onto a flange seat of an engine block, and wherein the seat-engaging surface has a sloped portion which extends along at least a half of a radial length of the seat-engaging surface and which is inclined relative to a radial plane being normal to a longitudinal axis of the cylinder liner.
The present invention pertains to a gas mixer for an internal combustion engine for mixing air with at least one admix gas, comprising a first duct segment having a first tube section and a first cone section, and a second duct segment having a second tube section and a second cone section. The first and second duct segments are stackable such that in a stacked state, a main gas conduit is formed by the first and second tube sections and an admix gas conduit is formed between the first cone section and the second duct segment. The present disclosure also pertains to a method for producing a gas mixer, comprising the steps of: for a predetermined mass flow of a gas to be admixed to air, calculating a flow cross section; machining at least one inner surface of an admix gas conduit such that at any position, the admix gas conduit comprises at least the calculated flow cross section; stacking two duct segments to provide the gas mixer. The present disclosure also pertains to a duct segment for being used in the gas mixer.
The present invention pertains to arrangements for a pre-chamber of a combustion engine as well as pre-chambers comprising such arrangements, in particular to condition or temper a gas flow within a gas-purged pre-chamber prior to entering a combustion area. Accordingly, an arrangement for a pre-chamber gas valve of a combustion engine is suggested, comprising a housing having an outer surface and comprising a channel, a first end of the channel being in fluid communication with the outer surface and a second end of the channel being connectable to a valve seat of the pre-chamber gas valve, and at least one protrusion extending from the outer surface of the housing. The first end of the channel is arranged upstream of the second end of the channel and downstream of at least one protrusion, wherein the arrangement is configured to absorb heat from a combustion portion of the combustion engine arranged downstream of the second end and to temper a gas upstream of the second end only using said heat, when the arrangement is in a mounted state.
The present invention pertains to a method for controlling operation of an internal combustion engine configured to run on a fuel mixture of hydrogen and natural gas. The method comprises a step of obtaining temperature values measured by at least one temperature sensor provided in a cylinder head of the engine; and a step of controlling operation of the engine in dependence on the temperature values.
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
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
The present invention pertains to a spark plug jacket, e.g. for a large or high performance combustion engine, and a corresponding method of manufacturing a spark plug jacket, in particular to provide an improved sealing towards a coolant cavity. Accordingly, a spark plug jacket is suggested, comprising a contact surface for contacting a support surface of a cylinder head of a combustion engine, wherein in a first state, when a spark plug is not mounted in the spark plug jacket, at least a portion of the contact surface of the spark plug jacket defines a first angular offset to a contact surface direction defined by the support surface of the cylinder head and, in a second state, when the spark plug is mounted to the spark plug jacket, said portion defines a second angular offset, wherein the first angular offset is larger than the second angular offset.
An internal combustion engine is fitted with a pre-combustion chamber having first and second electrodes, each electrode extending through a respective electrode aperture located in a thermally conductive body portion of the pre-combustion chamber body which is located within the cylinder head or other engine body component outside the combustion chamber. The second electrode may be a ground electrode and is adjustable along an axis of the respective, second electrode aperture to adjust the spark gap.
H01T 13/26 - Sparking plugs characterised by features of the electrodes or insulation having movable electrodes for adjusting spark gap otherwise than by bending of electrode
H01T 13/54 - Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
16.
LUBRICATION DEVICE, CYLINDER HEAD COVER, CYLINDER HEAD COMPONENT, SYSTEM THEREOF, AND OIL LUBRICATED MACHINE
The present invention pertains to a lubrication device (10) for an oil lubricated machine (200), the lubrication device (10) comprising an oil collection surface (12), configured to collect oil dust (110); and an oil accumulation site (14), configured to promote an oil flow (18) from the collected oil dust (110). The present disclosure also pertains to a cylinder head cover (200) comprising a lubrication device (10) according to the present disclosure and to a cylinder head component comprising a lubrication device (10) according to the present disclosure. Further, the present invention also pertains to a system of such cylinder head cover (200) and such cylinder head component (300). Moreover, the present invention also pertains to an oil lubricated machine (100) comprising such cover (200) and/or component (300).
The present invention pertains to a method for detecting an onset of a pole slip in a generator as well as a corresponding control unit and generator, in particular to predict a pole slip prior to an actual occurrence of a pole slip in order to enable required safety measures. Accordingly, a method for detecting an onset of a pole slip in a generator is suggested, comprising the steps of detecting subsequent zero cross points (20; 110) from a voltage measurement received from said generator and determining a voltage phase by interpolating said zero cross points (20; 120). The voltage measurement is received from an auxiliary winding (12; 100) of the rotor (10) that is electrically isolated from the main windings (14) of the rotor (10), wherein a relative rotor angle is determined (16; 130) based on the determined voltage phase of the auxiliary winding (12) and a relative voltage phase change of the main windings (14; 125). A signal is output, when a relative rotor angle change is determined that exceeds a predefined angle change threshold (18; 140).
The present invention pertains A cooling system for a gas engine piston, the system comprising a cooling oil supply configured to feed a cooling oil flow to the gas engine piston, and a control device configured to control the cooling oil flow based at least on a predetermined parameter. The present invention further pertains to a gas engine comprising at least one gas engine piston and a cooling system according to any of the previous claims, wherein the gas engine piston is configured to be operable with at least one combustion gas. In addition, the present disclosure pertains to a cooling method for a gas engine piston, comprising the steps of receiving at least one predetermined parameter at the control device; controlling the cooling oil flow based on at least the predetermined parameter; and observing a sufficient cooling oil flow fed to the gas engine piston.
Method for identifying cylinders of an internal combustion engine which are subjected to misfire during operation, comprising a step of determining whether the engine is subjected to a misfire condition; a step of measuring vibrations generated upon operating the engine; and a step of identifying at least one cylinder subjected to a misfire in dependence on the measured vibrations.
The present invention refers to a misfire detection method for an internal combustion engine, in particular a stationary gas engine for power generation, comprising a step of determining whether the engine is subjected to an unintended performance variation and a step of detecting a misfire condition of the engine by qualifying the unintended performance variation as being caused by a misfire during operation of the engine.
G01M 15/11 - Testing internal-combustion engines by detecting misfire
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
21.
Misfire classification method and control unit for an internal combustion engine
Misfire classification method for an internal combustion engine, comprising: a step of determining whether the engine is subjected to a misfire; a step of obtaining at least one temperature signal being indicative of a temperature prevailing in a cylinder of the engine; and a step of determining a type of misfire in dependence on the obtained temperature signal.
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
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
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Combustion engines and generators; gas and steam engines and
machines which transfer energy between a flowing fluid and a
rotating shaft; containers/enclosures to contain engines,
generators, gas and steam turbines and their accessories;
combustion engines, gas or steam engines driven equipment
[not for land vehicles], namely electric generators;
packages and modules consisting of combustion engine, gas
and steam engine; components [accessorize] and parts for
internal combustion engines, gas and steam engines, gas
compressors, gear boxes, packages/modules consisting of gas
and steam engines and electric generators [all being parts
of machines]; recuperators for exhaust gas heat recovery,
namely heat exchanger [parts of machines]; heat exchanger
[parts of machines] for combined-cycle exhaust gas heat
recovery; intake manifolds for motors and engines, including
air filters for motors and air filter systems thereof; fuel
injection systems for combustion engines and motors,
including fuel filters, fuel valves, and fuel nozzles;
exhaust collection and treatment systems, namely catalytic
converters for the exhaust gases of internal combustion
engines and motors, including exhaust silencers; machine
tools for inspecting or repairing combustion engines, gas
and steam turbines; electric motors; magnetic bearings
[parts of machines]; variable frequency drives for electric
motors or magnetic bearings; container cogeneration plants,
consisting of engines, generators, gas and steam turbines
and their accessories to produce electricity; electricity
generators producing electricity for a microgrid combining
combustion engines, gas or steam turbines as well as
renewable energy sources. Scientific, nautical, surveying, photographic,
cinematographic, optical, weighing, measuring, signalling,
checking [supervision], life-saving and teaching apparatus
and instruments; apparatus and instruments for conducting,
switching, transforming, accumulating, regulating or
controlling electricity; apparatus for recording,
transmission or reproduction of sound or images; magnetic
data carriers, data processing equipment and computers;
fire-extinguishing apparatus; computer hardware and software
for control systems, management, maintenance, diagnostics,
and monitoring of combustion engines, gas and steam
turbines, gas compressors, gear boxes, combustion engine,
gas and steam turbine packages/modules, electric generators,
electric motors, magnetic bearings, and power generation
plants; power inverters, AC-DC converters, AC-DC-AC
converters, DC-AC converters, DC-DC converters; power
controllers; electronic control systems for renewable and
fuel-based energy generation sources comprising hardware and
software that control the voltage and current provided from
renewable or non-renewable energy generation sources to
other connected devices, the power output of an energy
generation source, and the startup and shutdown operations
of an energy generation source; electronic controllers for
use with power converters and power inverters, namely,
electronic controllers to manage the speed, power, movement
and functions of power converters and power inverters used
in conjunction with renewable and fuel-based energy
generation sources, generators, energy storage systems,
electrical distribution systems, microgrid systems, and load
control devices; computer hardware and computer software for
use in controlling and monitoring the operation of equipment
that consumes or generates power; automated process control
systems, namely hardware and software used to monitor and
control the operational and mechanical status of renewable
energy-powered electricity generators and fuel/gas-based
electrical generators, energy storage systems, and load
control systems; battery chargers; batteries; power modules;
apparatus and instruments for accumulating and storing
electricity; electric power supply units; uninterruptible
electrical power supplies; cabinets and enclosures for
apparatus for electricity; apparatus and instruments for
electricity for hybrid power generation systems; apparatus
and instruments for electricity for operating container
cogeneration plants as well as microgrid power generation
systems; solar panels; borescopes [rigid endoscopes] for
inspecting or repairing combustion engines, gas and steam
turbines. Building construction, installation, repair, service,
remanufacturing, upgrading [conversion, retrofitting],
uprating [conversion, retrofitting] and maintenance of
cogeneration plants, gas installations, microgrid power
generation systems, combustion engines, gas and steam
engines, gas and steam turbines as well as their
components/parts, and ancillary equipment, combustion
engine, gas and steam engine packages/modules, combustion
engine, gas and steam turbine driven equipment including
electric generators, gear boxes, gas compressors, gas
compressor components/parts, gas compressor
packages/modules, equipment for the oil and gas industry,
apparatuses and instruments for conducting, switching,
transforming, accumulating, regulating or controlling
electricity, electric motors and electric generators,
magnetic bearings, and variable frequency drives for
electric motors or magnetic bearings. Generation of power; generation of energy; rental of
equipment for producing energy. Design, inspection, and measuring of gas and steam turbines,
gas compressors, oil and gas equipment, electrical
generation equipment and power generation plants, including
design and engineering, and quality control, also for
proposal preparation; plant engineering for power generation
systems, gas treatment, plant control systems, cooling and
steam decoupling; remote monitoring and diagnostic services
for gas and steam engines, gas compressors, gear boxes, gas
and steam turbine packages/modules, electric generators, and
power generation plants; repair, service and maintenance of
computer software for control systems, management,
maintenance, diagnostics, and monitoring of gas and steam
turbines and power generation plants/equipment; design and
development of installations and systems for producing
energy, in particular of a variety of sources of energy;
technological analysis relating to energy and power needs of
others; energy auditing; development of energy distribution
networks, in particular microgrids and cogeneration plants;
development of energy and electricity management systems;
engineering in the field of energy technology; engineering
relating to energy supply systems; design and development of
computer hardware and software in connection with
electricity production.
23.
COKE SCRAPING RING, CYLINDER LINER, CYLINDER, GAS ENGINE AND GAS ENGINE OPERATION METHOD
The present invention pertains to a coke scraping ring (10) for a cylinder liner (100) of a cylinder (200) used in a gas engine (300), for scraping carbonaceous residuals (R) off a top land (210) of a piston (220), comprising a ring body (12), a top end (14), a bottom end (16), and a combustion-facing side (18) configured to be in direct contact with combustion products during operation. The coke scraping ring further comprises a scraping ring section (20) at the bottom end (16) and a recess ring section (22), configured to provide a recess (23) in the combustion-facing side (18). The present invention further pertains to a cylinder liner (100) comprising such scraping ring (10), to a cylinder (200) comprising such cylinder liner (100), to a gas engine (300) comprising such cylinder (200) and to a gas engine operation method comprising continuous scraping carbonaceous residuals off a top land (210) of a cylinder piston (220), comprising the steps of assembling (S10) a cylinder piston (220), a coke scraping ring (10), a cylinder liner (100), a cylinder crank case (240) and a cylinder head (230) to obtain a ready -to-operate cylinder (200), operating (S20) the cylinder (200) while scraping excess carbonaceous residuals off the top land of a cylinder piston, and observing (S30) no pressure-induced deformation on the cylinder piston (220).
The present invention pertains to a damper (10) for a damping assembly (100) of a gas generator unit (200) or gas engine unit, comprising a bottom part (12) configured to be assembled to a generator base plate (210) and a top part (14) configured to be assembled to a generator footplate (220), wherein the bottom part (12) comprises a protruding portion (16) protruding towards the top part (14) such that a bottom open cavity (18) is formed. The present invention further pertains to a damping assembly (100) of a gas generator unit (200), comprising at least one damper (10) and a generator base plate (210), wherein the generator base plate (210) comprises a service opening (212) configured to insert the clamping means (20) in a state when the damper (10) is assembled to the base plate (210). The invention further pertains to a gas generator unit (200) comprising a damping assembly (100) and a generator footplate (220). In an assembled state, each damper (10) is assembled to the generator footplate (210) via an assembling screw (222) threadably engaging the top part (14) of the damper (10). The invention further pertains to a disassembly method for removing the damper (10) from a gas generator unit (200) and to an assembly method for assembling a damper (10) to a gas generator unit (200).
F16F 1/38 - Springs made of plastics, e.g. rubberSprings made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
25.
PISTON FOR AN INTERNAL COMBUSTION CHAMBER PROVIDED WITH A PISTON BOWL
The present invention refers to a piston (14) for an internal combustion engine, having a piston crown (22) provided with a piston bowl (40) which includes a circumferential edge portion (42) connecting a circumferential side wall portion (44) of the piston bowl (40) to a front surface (34) of the piston crown (22), wherein a first radial diameter (dl) at the edge portion (42) is smaller than a second radial diameter (d2) at the side wall portion (44), and wherein the edge portion (42) is provided with at least one recessed section (48).
F02B 23/06 - Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
B25B 27/00 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
B25B 27/06 - Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
F02F 3/26 - Pistons having combustion chamber in piston head
26.
CONDENSATE SEPARATOR, CHARGE GAS TUBE ASSEMBLY AND GAS ENGINE
The present invention pertains to a condensate separator (10) for a charge gas tube assembly of a stationary gas engine, comprising a cylindrical part (12) having an inner surface (12a) and an outer surface (12b) and a condensate outlet duct (14) configured to allow condensate to drain from the inner surface (12a) into the condensate outlet duct (14). The cylindrical part (12) comprises a collection lip (16), configured to collect condensate flowing along the inner surface (12a) of the cylindrical part (12). The present invention further pertains to a charge gas tube assembly (200) for a gas engine comprising a charge gas manifold (210), at least one charge gas tube element (220) and at least one such condensate separator (10) mounted between the charge gas manifold (210) and the charge gas tube element (220) and/or between the charge gas tube element (220) and a further charge gas tube element (222). Further, the present invention also pertains to a gas engine (300) comprising such charge gas tube assembly.
F02M 26/22 - Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
F02M 35/08 - Air cleaners with means for removing dust from cleanersAir cleaners with means for indicating cloggingAir cleaners with by-pass means
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Combustion engines and generators; gas and steam engines and machines which transfer energy between a flowing fluid and a rotating shaft; containers/enclosures to contain engines, generators, gas and steam turbines and ancillary accessories; combustion engines, gas or steam engines driven equipment (not for land vehicles), including electric generators; combustion engine, gas and steam engine packages and modules; ceramic coated components (parts of machines); components and parts for internal combustion engines, gas and steam engines, gas compressors, gear boxes, gas and steam engines packages/modules, and electric generators (all being parts of machines); recuperators for exhaust gas heat recovery; heat exchangers for combined-cycle exhaust gas heat recovery; air intake systems for combustion equipment and engines, including air filter systems and air filters; fuel systems for combustion equipment and engines, including fuel filters, fuel valves, and fuel nozzles; exhaust collection and treatment systems for combustion equipment and engines, including exhaust silencers; machine tools for inspecting or repairing combustion engines, gas and steam turbines, including borescopes; electric motors; magnetic bearings; variable frequency drives for electric motors or magnetic bearings; container cogeneration plants, consisting of engines, generators, gas and steam turbines and ancillary accessories to produce electricity; Electricity generators producing electricity for a microgrid combining combustion engines, gas or steam turbines as well as renewable energy sources. Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, data processing equipment and computers; fire-extinguishing apparatus; Computer hardware and software for control systems, management, maintenance, diagnostics, and monitoring of combustion engines, gas and steam turbines, gas compressors, gear boxes, combustion engine, gas and steam turbine packages/modules, electric generators, electric motors, magnetic bearings, and power generation plants; Power inverters, AC-DC converters, AC-DC-AC converters, DC-AC converters, DC-DC converters; Power controllers; Electronic control systems for renewable and fuel-based energy generation sources comprising hardware and software that control the voltage and current provided from renewable or non-renewable energy generation sources to other connected devices, the power output of an energy generation source, and the startup and shutdown operations of an energy generation source; Electronic controllers for use with power converters and power inverters, namely, electronic controllers to manage the speed, power, movement and functions of power converters and power inverters used in conjunction with renewable and fuel-based energy generation sources, generators, energy storage systems, electrical distribution systems, microgrid systems, and load control devices; Computer hardware and computer software for use in controlling and monitoring the operation of equipment that consumes or generates power; Automated process control systems, namely hardware and software used to monitor and control the operational and mechanical status of renewable energy-powered electricity generators and fuel/gas-based electrical generators, energy storage systems, and load control systems; battery chargers; batteries; power modules; apparatus and instruments for accumulating and storing electricity; electric power supply units; uninterruptible electrical power supplies; cabinets and enclosures for electrical appliances; apparatus and instruments for hybrid power generation systems; apparatus and instruments for operating container cogeneration plants as well as microgrid power generation systems; solar panels. Building, construction, installation, repair, service, remanufacturing, upgrading, uprating, and maintenance of cogeneration plants, gas applications, microgrid power generation systems, combustion engines, gas and steam engines, gas and steam turbines as well as their components/parts, and ancillary equipment; Building, construction, installation, repair, service, remanufacturing, upgrading, uprating, and maintenance of combustion engine, gas and steam engine packages/modules, combustion engine, gas and steam turbine driven equipment including electric generators, gear boxes, gas compressors, gas compressor components/parts, gas compressor packages/modules, equipment for the oil and gas industry; Building, construction, installation, repair, service, remanufacturing, upgrading, uprating, and maintenance of apparatuses and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, electric motors and electric generators, magnetic bearings, and variable frequency drives for electric motors or magnetic bearings. Generation of power; Generation of energy; Rental of equipment for producing energy. Design, inspection, and measuring of gas and steam turbines, gas compressors, oil and gas equipment, electrical generation equipment and power generation plants, including proposal preparation, design and engineering, and quality control; Plant Engineering for power generation systems, gas treatment, plant control systems, cooling and steam decoupling; remote monitoring and diagnostic services for gas and steam engines, gas compressors, gear boxes, gas and steam turbine packages/modules, electric generators, and power generation plants; repair, service and maintenance of computer software for control systems, management, maintenance, diagnostics, and monitoring of gas and steam turbines and power generation plants/equipment; Design and development of installations and systems for producing energy, in particular of a variety of sources of energy; Technological analysis relating to energy and power needs of others; Energy auditing; Development of energy distribution networks, in particular microgrids and cogeneration plants; Development of energy and electricity management systems; Engineering in the field of energy technology; Engineering relating to energy supply systems; Design and development of computer hardware and software in connection with electricity production.
28.
THROTTLE ELEMENT AND GAS ENGINE WITH THROTTLE ELEMENT
The present invention pertains to a throttle element (100) for an air intake duct of a gas engine, comprising a housing (10) having a flow channel (12) and a flap (14) mounted therein. The flap (14) is configured such that a flow cross-section (A) of the flow channel (12) is self-adjusting as a function of a flow (F) through the flow channel (12). The present invention also pertains to a gas engine (200) comprising a gas mixing device (210) in an air intake duct (220) and a throttle element (100) provided upstream of the gas mixing device (210), wherein the throttle element (100) comprises a housing (10) having a flow channel (12) and a flap (14) mounted therein. The flap (14) is configured such that a cross-section (A) of the flap (14) is self-adjusting as a function of a flow through the flow channel (12).
The present invention pertains to a spark plug (100) comprising a housing (2), an insulator (4) for electrically insulating a center electrode (6) provided at least partly on the inside of the insulator (4). The housing (2) of the spark plug (100) is configured such that in a mounted state, an annular gap (8) is formed between the housing (2) and the insulator (4). The annular gap (8) is filled with a heat-conducting element (10).
H01T 13/36 - Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
30.
METHOD AND APPARATUS FOR ADJUSTMENT OF CAMSHAFT SEGMENT FOR CAMSHAFT OF ENGINE
The present invention pertains to a camshaft segment (10) for a camshaft (100) of a gas engine. The camshaft segment comprises a shaft (12) having at least one cam (110) mounted thereto and a flange (14) comprising a first flange recess (16) and a second flange recess (18) and at least one adjustment device (20) provided in one of the first and second flange recesses (16, 18), wherein the adjustment device (20) is configured such that it provides an adjustment abutment (22) which protrudes longitudinally outwardly from the flange (14). The adjustment device (20) is configured such that the adjustment abutment (22) is adjustable in an angle (a) of the shaft rotation.
The present invention pertains to a gas mixer (10) for an internal combustion engine for mixing air (12) with at least one admix gas (14), comprising a first duct segment (16) having a first tube section (160) and a first cone section (162), and a second duct segment (18) having a second tube section (180) and a second cone section (182). The first and second duct segments (16, 18) are stackable such that in a stacked state, a main gas conduit (100) is formed by the first and second tube sections (160, 180) and an admix gas conduit (102) is formed between the first cone section (162) and the second duct segment (18). The present disclosure also pertains to a method for producing a gas mixer (10), comprising the steps of: for a predetermined mass flow of a gas to be admixed to air, calculating (SI 10) a flow cross section; machining (S120) at least one inner surface of an admix gas conduit (102, 104) such that at any position, the admix gas conduit (102, 104) comprises at least the calculated flow cross section; stacking (S130) two duct segments (16, 18) to provide the gas mixer (10) The present disclosure also pertains to a duct segment (16) for being used in the gas mixer (10).
B01F 25/312 - Injector mixers in conduits or tubes through which the main component flows with Venturi elementsDetails thereof
B01F 25/314 - Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
The present invention refers to an exhaust valve actuation unit (26) for a multi -valve engine (10), comprising a rocker arm (46) pivotably actuatable by a camshaft (40) and a valve bridge (58) connected to the rocker arm (46), wherein the valve bridge (58) has a first arm (60) configured to actuate a first exhaust valve (22) associated to a cylinder (12) and a second arm (62) configured to actuate a second exhaust valve (24) associated to the cylinder (12), and wherein the actuation unit (26) is configured to open the first exhaust valve (22) and the second exhaust valve (24) such that, during an operating cycle of the cylinder (12), the first exhaust valve (22) is opened prior to the second exhaust valve (24) upon actuation of the rocker arm (46) by the camshaft (40).
The present invention refers to a cylinder liner (10) for an internal combustion engine, comprising a flange (24) having a seat-engaging surface (26) which is configured for bearing onto a flange seat of an engine block, and wherein the seat-engaging surface (26) has a sloped portion which extends along at least a half of a radial length of the seat-engaging surface (26) and which is inclined relative to a radial plane (R) being normal to a longitudinal axis (L) of the cylinder liner (10).
The present invention pertains to arrangements for a pre-chamber of a combustion engine as well as pre-chambers comprising such arrangements, in particular to avoid or impair backfiring or flashbacks of a combustible mixture and/or to enable a flame retardation within a respective pre-chamber. Accordingly, an arrangement (10) for a pre-chamber gas valve of a combustion engine, preferably a gas engine, is suggested, which comprises a housing (14) having an outer surface (16) and comprising a channel (18), wherein a first end (20) of the channel (18) is in fluid communication with the outer surface (16) and a second end (22) of the channel (20) is connectable to a valve seat of the pre-chamber gas valve. The arrangement (10) furthermore comprises a plurality of protrusions (34) extending radially outward from the outer surface (16) of the housing (14). The first end (20) of the channel (18) is arranged upstream of the second end (22) of the channel (18) and downstream of the protrusions (34), wherein the protrusions (34) are spaced apart from each other in a circumferential direction and define a respective cavity (36) between respective adjacent protrusions (34), each cavity (36) having an extension being larger in a radial direction and/or axial direction than an extension in the circumferential direction.
The present invention pertains to arrangements for a pre-chamber of a combustion engine as well as pre-chambers comprising such arrangements, in particular to condition or temper a gas flow within a gas-purged pre-chamber prior to entering a combustion area. Accordingly, an arrangement (10) for a pre-chamber gas valve of a combustion engine is suggested, comprising a housing (14) having an outer surface (16) and comprising a channel (18), a first end (20) of the channel (18) being in fluid communication with the outer surface (16) and a second end (22) of the channel (18) being connectable to a valve seat of the pre-chamber gas valve, and at least one protrusion (34) extending from the outer surface (16) of the housing (14). The first end (20) of the channel (18) is arranged upstream of the second end (22) of the channel (18) and downstream of at least one protrusion (34), wherein the arrangement (10) is configured to absorb heat from a combustion portion of the combustion engine arranged downstream of the second end (22) and to temper a gas upstream of the second end (22) only using said heat, when the arrangement (10) is in a mounted state.
The present invention pertains to a method for monitoring an ignition system of a combustion engine as well as a corresponding system and computer program product, in particular to facilitate long-term functioning of the ignition system and to improve the operating life. Accordingly, a method for monitoring an ignition system (100) of a combustion engine is suggested, comprising the steps of: by an on-board control unit (10) for controlling the ignition system (100), receiving at least one measurement of a parameter related to the ignition system (16), determining an operational state of the ignition system (17) based on said at least one parameter measurement (16), and controlling the ignition system (100) based on the determined operational state (17); by an off-board evaluation unit (12), receiving the at least one parameter measurement (16) and/or the determined operational state (17) from the on-board control unit (10) via a data link (14); and by the off-board evaluation unit (12), receiving data from a plurality of on-board control units (20), comparing (31) the at least one parameter measurement (16) and/or determined operational state (17) with said received data (20), and outputting a signal (18) based on said comparison (31).
G07C 5/00 - Registering or indicating the working of vehicles
F02D 41/22 - Safety or indicating devices for abnormal conditions
F02D 41/26 - Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
37.
Method and system for detecting a component exchange in an ignition system of a spark-ignited engine
The present disclosure refers to a method for detecting an exchange of a component of an ignition system of a spark-ignited internal combustion engine. The method comprises the step of determining at least one parameter being indicative of an operation or condition of the ignition system; and the step of detecting an exchange of the component based on a comparison of the parameter with at least one reference value.
Valves for gas engines are disclosed, in particular for wastegates arranged upstream of a turbocharger. Accordingly, a valve for a gas engine, comprises a metal housing having an opening for providing a fluid flow out of the valve, and a metal valve member configured for adjustably restricting the fluid flow through the opening, wherein the housing is made of a first material comprising a steel and wherein the valve member is made of a second material having a thermal expansion coefficient being lower than the first material. By providing the valve member and the valve housing with materials with different thermal expansion coefficients, the expansion of the valve member may be reduced during a rapid temperature increase or heating up of the valve member e.g. when the gas engine is started or accelerated.
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
F02B 37/18 - Control of the pumps by bypassing exhaust
The present invention pertains to a method for mounting a spark plug jacket in a cylinder head of a combustion engine, in particular providing an improved sealing towards a coolant cavity, as well as a corresponding biasing element and an assembly comprising such biasing element. Accordingly, a method for mounting a spark plug jacket (10) in a cylinder head (24) of a combustion engine is suggested, comprising the steps of: mounting a biasing element (12) in the spark plug jacket (10) by screwing the biasing element (12) into a thread (14) of the spark plug jacket (10) configured for accommodating a thread of a spark plug; and screwing the spark plug jacket (10) with the mounted biasing element (12) into a thread (30) of the cylinder head (24) configured for accommodating a thread (28) of the spark plug jacket.
The present invention pertains to a spark plug jacket, e.g. for a large or high performance combustion engine, and a corresponding method of manufacturing a spark plug jacket, in particular to provide an improved sealing towards a coolant cavity. Accordingly, a spark plug jacket (10) is suggested, comprising a contact surface (12) for contacting a support surface of a cylinder head of a combustion engine, wherein in a first state, when a spark plug is not mounted in the spark plug jacket (10), at least a portion of the contact surface (12) of the spark plug jacket (10) defines a first angular offset to a contact surface direction defined by the support surface of the cylinder head and, in a second state, when the spark plug is mounted to the spark plug jacket (10), said portion defines a second angular offset, wherein the first angular offset is larger than the second angular offset.
The present invention pertains to a method for mounting a spark plug jacket in a cylinder head of a combustion engine, e.g. a large or high performance combustion engine, in particular providing an improved sealing towards a coolant cavity. Accordingly, a method for mounting a spark plug jacket in a cylinder head (16) of a combustion engine is suggested, comprising the steps of: screwing a biasing element (10) into a thread (12) of the cylinder head (16) configured for accommodating a thread of the spark plug jacket, wherein the screwing of the biasing element (10) is performed with a predefined support torque (18); removing the biasing element (10) from the cylinder head (16); and subsequently screwing a spark plug jacket into the thread (12) of the cylinder head (16) with a predefined mounting torque, wherein the support torque (18) is applied so as to modify a longitudinal distance of at least one thread turn of the thread (12) of the cylinder head (16).
The present invention pertains to a method for securing a spark plug jacket in a cylinder head of a combustion engine, e.g. a large or high performance combustion engine, and a corresponding sleeve for a spark plug shaft, in particular to provide an improved sealing towards a coolant cavity. Accordingly, a method for securing a spark plug jacket (20) in a cylinder head (16) of a combustion engine is suggested, comprising the steps of: screwing a spark plug jacket (20) into a thread of the cylinder head (16) configured for accommodating a thread of the spark plug jacket (20); and screwing a sleeve (10) for a spark plug shaft into a thread (18) of the cylinder head (16) configured for accommodating a thread (18) of the sleeve (10). According to the invention, the sleeve (10) contacts the spark plug jacket (20) in the mounted state of the sleeve (10) so as to exert a longitudinal compressive force on the spark plug jacket (20).
The present invention pertains to a method for mounting a spark plug jacket in a cylinder head of a combustion engine, e.g. a large combustion engine, in particular providing an improved sealing towards a coolant cavity. Accordingly, a method for mounting a spark plug jacket (10) in a cylinder head (22) of a combustion engine, comprising the steps of: screwing the spark plug jacket (10) into a thread (18) of the cylinder head (22) configured for accommodating a thread (20) of the spark plug jacket (10), wherein the screwing is performed by applying a first torque (30); and screwing a biasing element (12) into a thread (14) of the spark plug jacket (10) configured for accommodating a thread of a spark plug, wherein the screwing is performed by applying a second torque (34). According to the invention, the first torque (30) and second torque (34) are applied simultaneously.
An internal combustion engine (1) is fitted with a pre-combustion chamber (22) having first and second electrodes (30, 40), each electrode extending through a respective electrode aperture (26, 27) located in a thermally conductive body portion (23) of the pre-combustion chamber body (21) which is located within the cylinder head (3) or other engine body component outside the combustion chamber (2). The second electrode (40) may be a ground electrode and is adjustable along an axis (X2) of the respective, second electrode aperture (27) to adjust the spark gap.
H01T 13/54 - Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
H01T 13/26 - Sparking plugs characterised by features of the electrodes or insulation having movable electrodes for adjusting spark gap otherwise than by bending of electrode
F02P 13/00 - Sparking plugs structurally combined with other parts of internal-combustion engines
H01T 13/08 - Mounting, fixing, or sealing of sparking plugs, e.g. in combustion chamber
An exhaust aftertreatment catalyser (3', 3") in a gas fuelled internal combustion engine (1) is regenerated by passing an unbumed portion (Gu) of the fuel gas through the catalyser. The unbumed portion (Gu) of the fuel gas may be burned in the engine (1) after the regeneration cycle. Two catalysers (3', 3") may be arranged in parallel and regenerated alternately while the exhaust gas (E) continues to flow through the active catalyser.
Fuel gas (G) is supplied via a pipe to a pre-combustion chamber of an internal combustion engine. The pre-combustion chamber is formed inside a chamber body which is received in a cavity of the engine body, while the pipe is received in a passageway of the engine body which communicates with the cavity. A seal which may be made from an elastomer comprises a wall defining an interior space opening through the wall at first, second and third openings. A first portion of the wall defining the first and second openings is arranged in the cavity so that the chamber body can be inserted through the openings into the interior space of the seal, while a second portion of the wall comprising the third opening is received in the passageway so that the pipe can be inserted into the interior space of the seal via the third opening. The pipe is sealed in fluid communication with the pre-combustion chamber via an inlet in the chamber body by sealing regions of the seal.
The present invention refers to a device for tensioning a connecting element fastened to a component to be tightened. The device comprises an engagement element connectable to the connecting element, and an actuating unit for translating a rotational movement applied to an actuating element into a translational movement of the engagement element relative to the component. Further, the device comprises a gear unit configured to transform an input torque applied to a transmission input element into an output torque applied to the actuating element which absolute value is higher compared to the input torque.
The present invention refers to a device for tensioning a connecting element fastened to a component to be tightened, which comprises a fixation element for receiving and holding the connecting element; a support element for supporting the device against the component; and an actuating unit with a fluid chamber for receiving a fluid and a piston which is translationally guided in the fixation element. The actuating unit is configured for manipulating a volume of the fluid chamber by translationally actuating the piston so as to move the fixation element relative to the support element. Further, the device comprises a guiding unit for locking a relative rotational movement between the piston and the fixation element, wherein the guiding unit is arranged outside of the fluid chamber.
The present invention refers to a device for tensioning a connecting element fastened to a component to be tightened, which comprises an engagement element having an engagement section receiving and holding the connecting element, a support element configured to support the device against the component, and an actuating unit having a fluid chamber for receiving a fluid, wherein the actuating unit is configured to manipulate a volume of the fluid chamber so as to move the engagement element relative to the support element. The device further comprises a vent opening fluid-communicatively connectable to the fluid chamber which is disposed in the region of the engagement section.
The present invention pertains to a spark plug for an internal combustion engine, comprising a metal outer shell extending in a longitudinal direction from a proximal end to a distal tip end configured to be oriented towards a combustion chamber, said outer shell comprising a fixation portion for attachment of the spark plug to a metal sleeve of the internal combustion engine and arranged at a region proximal of the tip end, wherein the outer shell furthermore comprises a first contact surface arranged at a region distal of the fixation portion and configured to contact a distal end of the sleeve, when the spark plug is attached to the sleeve.
The present invention pertains to a method of determining a lubrication oil condition of a stationary gas engine comprising the steps of retrieving a lubrication oil temperature information and retrieving a lubrication oil level information from a lubrication oil level sensor, wherein the lubrication oil level sensor is a capacitance sensor, and a step of normalizing a lubrication oil level information over the lubrication oil temperature information.
G01F 23/263 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
The present invention refers to system for tensioning at least one connecting element fastened to a component to be tightened, The system comprises at least one connecting element tensioning device having an engagement element connectable to the connecting element, and an actuating unit for translating a rotational movement applied to an actuating element into a translational movement of the engagement element relative to the component; at least one electric actuator for rotationally actuating the actuating element; and a control unit (CPU) for actuating the at least one electric actuator.
The present invention pertains rotary valves for combustion engines, in particular gas engines. Accordingly, a rotary valve is suggested, comprising a housing (10) defining a longitudinal direction of the rotary valve and comprising a through channel (12) for providing a fluid flow, the channel (12) defining a flow direction (14) essentially perpendicular to the longitudinal axis, and a closure (16), said closure (16) being pivotable relative to the housing (10) between a closed position closing the channel (12) at one flow directional end of the channel (12) and an open position enabling fluid flow through the channel (12). The channel (12) comprises at least two guide plates (18) extending along the flow direction (14) and the longitudinal direction at radially opposing ends of the channel (12) and defining a flow path (20), wherein the extension of the guide plates (18) is at least in part linear.
F02D 9/16 - Throttle valves specially adapted thereforArrangements of such valves in conduits having slidably-mounted valve-membersThrottle valves specially adapted thereforArrangements of such valves in conduits having valve-members movable longitudinally of conduit the members being rotatable
The present invention refers to a misfire detection method for an internal combustion engine, in particular a stationary gas engine for power generation, comprising a step (S4) of determining whether the engine is subjected to an unintended performance variation and a step (S6) of detecting a misfire condition of the engine by qualifying the unintended performance variation as being caused by a misfire during operation of the engine.
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
F02D 41/22 - Safety or indicating devices for abnormal conditions
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
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
Misfire classification method for an internal combustion engine, comprising: a step (S1) of determining whether the engine is subjected to a misfire; a step (S2) of obtaining at least one temperature signal being indicative of a temperature prevailing in a cylinder of the engine; and a step (S3) of determining a type of misfire in dependence on the obtained temperature signal.
G01M 15/11 - Testing internal-combustion engines by detecting misfire
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
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
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
56.
METHOD AND CONTROL UNIT FOR IDENTIFYING MISFIRE SUBJECTED CYLINDERS OF AN INTERNAL COMBUSTION ENGINE
Method for identifying cylinders of an internal combustion engine which are subjected to misfire during operation, comprising a step of determining whether the engine is subjected to a misfire condition; a step of measuring vibrations generated upon operating the engine; and a step of identifying at least one cylinder subjected to a misfire in dependence on the measured vibrations.
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
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
G01M 15/11 - Testing internal-combustion engines by detecting misfire
F02D 41/22 - Safety or indicating devices for abnormal conditions
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
57.
METHOD AND LEAKAGE DETECTION UNIT OF AN INTERNAL COMBUSTION ENGINE FOR LOCALIZING LEAKAGE OF AT LEAST ONE GASEOUS MEDIUM AT THE ENGINE
The present invention relates to a method for localizing leakage of at least one gaseous medium at an internal combustion engine (10), comprising a step of emitting at least one electromagnetic radiation beam (26) through at least one analysis section (28) disposed at or in the vicinity of an outer surface of the engine (10); a step of measuring a radiation characteristic of the radiation beam (26) after passing through the analysis section (28); and a step of determining a leakage of the gaseous medium into the analysis section (28) in dependence on the measured radiation characteristic.
The present invention refers to a device for tensioning a connecting element fastened to a component to be tightened, comprising a fixation element for holding the connecting element; a support element for supporting the device against the component; and an actuating unit with a fluid chamber for receiving a fluid and a piston which is translationally guided in the fixation element. The actuating unit is configured for manipulating a volume of the fluid chamber by translationally actuating the piston so as to move the fixation element relative to the support element. The piston is coupled to the fixation element by means of at least one ball or roller screw.
Pre-combustion chamber assembly (10) for use in an internal combustion engine, comprising a pre-combustion chamber tip (20) and a carrier (22) which are releasably mounted to one another. The tip (20) and the carrier (22) are designed such that, in an engaged state of the tip (20) and the carrier (22), the tip (20) is dis-engageable from the carrier (22) upon being displaced relative to the carrier (22) along a release direction (R) which is transverse to a longitudinal axis (L) of the assembly (10).
The present invention pertains to a pre-chamber body for an internal combustion engine. The pre-chamber body comprises a pre-chamber tip with a pre-chamber defined by an encircling side wall and at least one flow transfer passage fluidly connecting the pre-chamber and an exterior of the pre-chamber body (1), the flow transfer passage extending through the encircling wall, wherein the side wall is provided with at least one stiffness reduced section in proximity or adjacent to the flow transfer passage.
An apparatus is provided for positioning a connecting rod relative to one or more components underlying a cylinder of an engine block, in tandem with assembling a cylinder liner to the cylinder of the engine block. The apparatus has a holder mechanism releasably holding a bottom end of the cylinder liner. A portion of the holder mechanism is configured to extend beyond the bottom end of the cylinder liner to define a groove that is disposed parallel to a circumference of the cylinder liner. A link pivotally connects the cylinder liner to the connecting rod. The link includes a first end defining a pin that is slidably engaged with the groove of the holder mechanism and a second end that defines an opening therethrough. The opening facilitates insertion of a fastener for releasably securing the link to a bottom end of the connecting rod.
B23Q 3/00 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
The present disclosure refers to a method for detecting an exchange of a component of an ignition system of a spark-ignited internal combustion engine. The method comprises the step of determining at least one parameter being indicative of an operation or condition of the ignition system; and the step of detecting an exchange of the component based on a comparison of the parameter with at least one reference value.
The present invention relates to valves for gas engines, in particular for wastegates arranged upstream of a turbocharger. Accordingly, a valve (10) for a gas engine, is suggested comprising a metal housing (12) having an opening for providing a fluid flow out of the valve (10), and a metal valve member (14) configured for adjustably restricting the fluid flow through the opening, wherein the housing (12) is made of a first material comprising a steel alloy and wherein the valve member (14) is made of a second material having a thermal expansion coefficient being lower than the first material. By providing the valve member (14) and the valve housing (12) with materials with different thermal expansion coefficients, the expansion of the valve member (14) may be reduced during a rapid temperature increase or heating up of the valve member (14) e.g. when the gas engine is started or accelerated.
Fuel gas (G) is supplied via a pipe (30) to a pre-combustion chamber (21) of an internal combustion engine (1). The pre-combustion chamber (21) is formed inside a chamber body (20) which is received in a cavity (10) of the engine body (2), while the pipe (30) is received in a passageway (16) of the engine body (2) which communicates with the cavity (10). A seal (40) which may be made from an elastomer comprises a wall (41) defining an interior space (42) opening through the wall (41) at first, second and third openings (50, 60, 70). A first portion (43) of the wall (41) defining the first and second openings (50, 60) is arranged in the cavity (10) so that the chamber body (20) can be inserted through the openings (50, 60) into the interior space (42) of the seal, while a second portion (44) of the wall (41) comprising the third opening (70) is received in the passageway (16) so that the pipe (30) can be inserted into the interior space (42) of the seal via the third opening (70). The pipe (30) is sealed in fluid communication with the pre-combustion chamber (21) via an inlet (23) in the chamber body (20) by sealing regions (51, 61, 71) of the seal.
A gas engine (2) is supplied with weak fuel gas (G) (which is to say, a fuel gas having a low calorific value) via a zero pressure regulator (4) feeding a Venturi mixer (20), with an enrichment valve (40) being arranged to supply additional fuel gas (G') downstream of the mixer (20), for example, responsive to increased load on the engine (2).
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02B 27/02 - 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 the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened. The device (10) comprises an engagement element (24) connectable to the connecting element (12), and a support element (40) configured to support the device (10) against the component (20) and to translationally guide the engagement element (24) relative to the component (18, 20). Further, the engagement element (24) is preloaded relative to the support element (40).
The present invention refers to system (1) for tensioning at least one connecting element (12) fastened to a component (18, 20) to be tightened. The system (1) comprises at least one connecting element tensioning device (10) having an engagement element (24) connectable to the connecting element (12), and an actuating unit (44) for translating a rotational movement applied to an actuating element (46) into a translational movement of the engagement element (24) relative to the component (18, 20); at least one electric actuator (13) for rotationally actuating the actuating element (46); and a control unit (CPET) for actuating the at least one electric actuator (13).
The present invention refers to a device (10) for tensioning and tightening a screw (12) fastened to a component (18, 20). The device (10) comprises an engagement element (24) connectable to the screw (12) and a support element (40) configured to support the device (10) against the component (20) and to translationally guide the engagement element (24). Further, the device (10) comprises a connecting element (106) connectable to a nut (22) engaged with the screw (12) and a screwing unit (118) for rotationally actuating the connecting element (106) relative to the screw (12).
The present invention pertains to a spark plug for an internal combustion engine, comprising a metal outer shell (10) extending in a longitudinal direction (A) from a proximal end (12) to a distal tip end (14) configured to be oriented towards a combustion chamber (34), said outer shell (10) comprising a fixation portion (16) for attachment of the spark plug (1) to a metal sleeve (22) of the internal combustion engine and arranged at a region proximal of the tip end (14), wherein the outer shell (10) furthermore comprises a first contact surface (18) arranged at a region distal of the fixation portion (16) and configured to contact a distal end (24) of the sleeve (22), when the spark plug (1) is attached to the sleeve (22).
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened. The device (10) comprises an engagement element (24) connectable to the connecting element (12), and an actuating unit (44) for translating a rotational movement applied to an actuating element (46) into a translational movement of the engagement element (24) relative to the component (18, 20). Further, the device (10) comprises a gear unit (106) configured to transform an input torque (T1) applied to a transmission input element (108) into an output torque (T2) applied to the actuating element (46) which absolute value is higher compared to the input torque (T1).
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened, which comprises an engagement element (24) having an engagement section (31) for receiving and holding the connecting element (12), a support element (40) configured to support the device (10) against the component (20), and an actuating unit (44) having a fluid chamber (50) for receiving a fluid, wherein the actuating unit (44) is configured to manipulate a volume of the fluid chamber (50) so as to move the engagement element (24) relative to the support element (40). The device (10) further comprises a vent opening (102) fluid-communicatively connectable to the fluid chamber (50) which is disposed in the region of the engagement section (31).
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened, which comprises a fixation element (24) for receiving and holding the connecting element (12); a support element (40) for supporting the device (10) against the component (20); and an actuating unit (44) with a fluid chamber (50) for receiving a fluid and a piston (48) which is translationally guided in the fixation element (24). The actuating unit (44) is configured for manipulating a volume of the fluid chamber (50) by translationally actuating the piston (48) so as to move the fixation element (24) relative to the support element (40). Further, the device comprises a guiding unit (106) for locking a relative rotational movement between the piston (48) and the fixation element (24), wherein the guiding unit (106) is arranged outside of the fluid chamber (50).
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened, comprising a fixation element (24) for holding the connecting element (12); a support element (40) for supporting the device (10) against the component (20); and an actuating unit (44) with a fluid chamber (50) for receiving a fluid and a piston (48) which is translationally guided in the fixation element (24). The actuating unit (44) is configured for manipulating a volume of the fluid chamber (50) by translationally actuating the piston (48) so as to move the fixation element (24) relative to the support element (40). The piston (48) is coupled to the fixation element (24) by means of at least one ball or roller screw (100; 102).
The present invention relates to an apparatus (10) for simultaneously actuating at least two screw tensioning devices (11). The apparatus (10) comprises a transmission input element (13) for engagement with a tool; at least two transmission output elements (14), each of which is connectable to one of the screw tensioning devices (11) and rotatably mounted around a rotational axis (15); and a gear unit (16) configured to transfer a rotational movement of the transmission input element (13) into a rotational movement of each one of the transmission output elements (14) around their rotational axis (15).
An exhaust gas treatment apparatus (20; 50) comprises at least one gas permeable body (10A, 10B; 60), which may comprise an SCR catalyst, and a mechanism (40; 70) for diverting the flow of exhaust gas (G) selectively to a first region (10A; 61) and then to a second region (10B; 62) of the body, the regions defining different portions of the section area of the body normal to the flow direction (El). The flow may be directed exclusively to each of the first and second regions in turn until each region reaches its operating temperature, and then divided between the first and second regions. Alternatively the first and second regions may be thermally coupled and the flow directed to the first region and then divided between both regions after the first region (10A; 61) has reached its operating temperature.
F01N 9/00 - Electrical control of exhaust gas treating apparatus
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
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
76.
APPARATUS AND METHOD FOR POSITIONING A CONNECTING ROD RELATIVE TO ONE OR MORE COMPONENTS UNDERLYING A CYLINDER OF AN ENGINE BLOCK
An apparatus (200) is provided for positioning a connecting rod (132) relative to one or more components underlying a cylinder (108) of an engine block (106), in tandem with assembling a cylinder liner (110) to the cylinder (108) of the engine block (106). The apparatus (200) has a holder mechanism (202) releasably holding a bottom end (152) of the cylinder liner (110). A portion (204/206) of the holder mechanism (202) is configured to extend beyond the bottom end (152) of the cylinder liner (110) to define a groove (210) that is disposed parallel to a circumference of the cylinder liner (110). A link (212) pivotally connects the cylinder liner (110) to the connecting rod (132). The link (212) includes a first end (214) defining a pin (216) that is slidably engaged with the groove (210) of the holder mechanism (202), and a second end (218) that defines an opening (220) therethrough. The opening (220) facilitates insertion of a fastener (222) for releasably securing the link (212) to a bottom end (150) of the connecting rod (132).
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
glo) to a control unit for controlling the ignition energy and ignition duration of the sparkplug electrode. Further executing real-time energy control based on misfire flag status and, in the end, making sure that the optimum energy is into application by realizing optimum energy tests.
A method for determining the wear rate of a spark plug electrode of an ignition system of an internal combustion engine comprises determining a risetiine number indicating the time required for raising the current and thereby the primary energy which is supplied to an ignition coil of the spark plug from an inactive level to a predetermined level, determining an operating condition indicator configured to indicate an operating condition of the ignition system, determining a wear rate of the spark plug electrode based on a difference of a first spark plug state indicator at a first time instance and a second spark plug state indicator at a second time instance, wherein the first time instance and the second time instance are separated by a predetermined time interval, wherein the spark plug state indicator is determined as a value based on the risetime number and the operating condition indicator.
The present invention pertains to a pre-chamber body (1) for an internal combustion engine. The pre-chamber body (1) comprises a pre-chamber tip (10) with a pre-chamber defined by an encircling side wall (12) and at least one flow transfer passage (2) fluidly connecting the pre-chamber and an exterior of the pre-chamber body (1), the flow transfer passage (2) extending through the encircling wall (12), wherein the side wall (12) is provided with at least one stiffness reduced section (3) in proximity or adjacent to the flow transfer passage (2)·
A method for monitoring an ignition system including a spark plug of an internal combustion engine is disclosed. The method comprises determining an operation value associated with an electrical parameter indicative of an operation of the ignition system during actuation of the spark plug. The method further comprises determining at least one parameter indicative of a current engine operation condition of the internal combustion engine, and determining a current spark plug state of the spark plug based on the at least one engine parameter and the operation value associated with the electrical parameter of the ignition system.
F02P 5/152 - Digital data processing dependent on pinking
G01M 15/11 - Testing internal-combustion engines by detecting misfire
F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
The present disclosure relates to a pre-chamber spark plug (10) for a gaseous fuel internal combustion engine. The pre-chamber spark plug (10) comprises a pre-chamber (26) having a maximum pre-chamber height (h) measured along the first longitudinal axis (A). The pre-chamber spark plug (10) further comprises a fuel valve (48) arranged in a distance (s) to the pre-chamber (26). The distance (s) is at least three times greater than the maximum pre-chamber height (h) to considerably reduce the temperature impact from the pre-chamber (26) onto the fuel valve (48).
Spark plug (14) with an ignition end (26) and a protrusion to form a sealing seat (33) between the spark plug (14) and a cylinder head (4). The spark plug (14) comprises a sealing lip (31) arranged between the protrusion and the ignition end (26).
A spark plug assembly (22) with a fuel supply line (36) and a fuel collecting area (38) positioned at an outer side (44) of the spark plug assembly (22) and the fuel collecting area (38) is defined at least at one side by a thread (54).
A cover assembly is disclosed. The cover assembly may cover a gap between a first container and a second container. The cover assembly may have a first rigid element. The cover assembly may also have a second rigid element. Further, the cover assembly may have an elastic body. The elastic body may be positioned between the first rigid element and the second rigid element. The cover assembly may also have a bolt. The bolt may connect the first rigid element with the second rigid element.
E04B 1/68 - Sealings of joints, e.g. expansion joints
B65D 90/00 - Component parts, details or accessories for large containers
E04B 1/348 - Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
B65D 85/68 - Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
B65D 88/12 - Large containers rigid specially adapted for transport
A pre-chamber body for an internal combustion engine is disclosed. The pre-chamber body may have a pre-chamber. The pre-chamber body may also have a flow transfer passage, which may fluidly connect the pre-chamber and an exterior of the pre-chamber body. In addition, the pre-chamber body may have at least one backflow channel, which may fluidly connect the pre-chamber and the flow transfer passage.
F02B 19/10 - Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
F02B 19/18 - Transfer passages between chamber and cylinder
F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
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
86.
Prechamber assembly for internal combustion engine
A prechamber assembly for an internal combustion engine is disclosed. The prechamber assembly may have a prechamber housing with a first prechamber housing portion and a second prechamber housing portion. The first prechamber housing portion and the second prechamber housing portion may define a prechamber volume. The prechamber assembly may also have a cooling system. The cooling system may be configured to cool at least one of the first prechamber housing portion and the second prechamber housing portion based on a flow of a cooling fluid through the cooling system. The cooling system may have at least one cooling channel formed within the prechamber housing.
F02B 19/18 - Transfer passages between chamber and cylinder
F02B 19/10 - Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
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
88.
Pre-combustion chamber assembly for internal combustion engines
A pre-chamber assembly for an internal combustion engine is disclosed. The pre-chamber assembly may have a pre-chamber main body configured to be mounted to the internal combustion engine and defining at least a portion of a pre-chamber extending along a longitudinal axis. The pre-chamber assembly may also have an ignition electrode. The ignition electrode may have a center electrode and at least one electrode arm extending from the center electrode at least partially into the pre-chamber. The at least one electrode arm may extend in both a radial direction with respect to the longitudinal axis and an axial direction with respect to the longitudinal axis. Additionally, the pre-chamber assembly may have a mass element including at least one radial inner face facing the at least one electrode arm. The at least one radial inner face may be non-parallel with respect to the longitudinal axis.
F02P 13/00 - Sparking plugs structurally combined with other parts of internal-combustion engines
H01T 13/32 - Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
H01T 13/46 - Sparking plugs having two or more spark gaps
H01T 13/54 - Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
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
H01T 13/39 - Selection of materials for electrodes
A screw tensioning device (2, 102) for tensioning or loosing tensionable screw connections comprises a fixation element (4, 104) to be connected to a screw (6, 106), a support element (8, 108) moveable relative to the fixation element (4, 104). The support element (8, 108) is arranged moveable relative to the fixation element (4, 104) to apply tension to or remove tension from the screw (6, 106). A piston (10, 110) is positioned and movable within the fixation element (4, 104). A volume (8, 108) containing a hydraulic fluid is defined at least partly by the piston (10, 110), the fixation element (4, 104) or the support element (8, 108). The movement of the piston (10, 110) manipulates the volume (8, 108) and thereby moves the fixation element (4, 104) with respect to the support element (8, 108).
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Chemicals used in industry; Chemical substances, chemical materials and chemical preparations, and natural elements; Cooling fluids for vehicle radiators; Antifreeze; Antifreeze for vehicle radiators; Anti-freeze for vehicle cooling systems; Anti-freeze agents; Anti-freeze compositions; Anti-freeze preparations; Anti-freeze chemicals; Anti-freezing additives (Chemical -) for fuels; Anti-freezing mixtures; Anti-freezing liquids; Chemical additives; Chemical additives for engine cooling systems; Chemical additives for fuel treatment; Chemical additives for fuel; Chemical additives for diesel fuels; Chemical additives for motor fuels; Chemical additives for gasoline; Chemical additives for use with internal combustion engine fuels; Industrial chemicals for use in treating cooling water in recirculating cooling systems.
The present disclosure relates to a method for mounting a first member (20) having a first flange face (26) to a second member (30) having a second flange face (36) via at least one mounting screw (40). The method may comprise at least partially elastically deforming the first member (20) at the first flange face (26), machining the first flange face (26) while maintaining the first member (20) at least partially elastically deformed, after machining the first flange face (26) of the first member (20; 120), relaxing the first member (20), and mounting the first member (20) to the second member (30) via the at least one mounting screw (40) by tightening the at least one mounting screw (40).
An ignition device with a pre-combustion chamber for an internal combustion engine is disclosed. The internal combustion engine may have a plurality of cylinders. Each cylinder may define a main combustion chamber. The ignition device may have a first pre-combustion chamber part configured to at least partially accommodate a spark plug. The ignition device may also have a second pre-combustion chamber part defining at least a portion of the pre-combustion chamber. The second pre-combustion chamber part may include at least one orifice configured to be fluidly connected to the main combustion chamber. The second pre-combustion chamber part may be detachably mountable to the first pre-combustion chamber part, such that the first and second pre-combustion chamber parts are axially secured to one another and rotatable with respect to one another.
A system for controlling condensation of water within an intake manifold of an engine is disclosed. The system may have a humidity sensor. The humidity sensor may be configured to generate a signal indicative of a humidity of intake air. The system may also have a controller communicably coupled to the humidity sensor. The controller may be configured to receive the signal indicative of the humidity of the intake air. The controller may be also configured to control an operational parameter of at least one of the engine and an engine component to maintain the humidity of the intake air within the intake manifold below a predetermined threshold.
An internal combustion engine is disclosed. The engine may have a cylinder that defines a combustion chamber for combusting an air/fuel mixture. The engine may also have a piston reciprocally movable within the cylinder between a top dead center (TDC) and a bottom dead center (BDC). The piston may have an uppermost piston ring configured to sealingly contact the cylinder. The engine may have an annular crevice facing the combustion chamber. The crevice may be defined by the cylinder, the piston, and the uppermost piston ring. The engine may also have a flow channel fluidly connected to the combustion chamber. The flow channel may direct unburned air/fuel-mixture out of the combustion chamber. The at least one flow channel may be fluidly connected to the annular crevice for a crank angle range of about 85° to 95° and about 265° to 275° after the top dead center (TDC).
F02B 77/04 - Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
F02M 25/06 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
F02D 13/02 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
F02F 5/00 - Piston rings, e.g. associated with piston crown
F02M 26/37 - Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with temporary storage of recirculated exhaust gas
F02M 26/41 - Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
A gas mixer for mixing gaseous fuel and air for an internal combustion engine is disclosed. The gas mixer may have a housing defining an air path for mixing the gaseous fuel and the air within the air path. The housing may have a narrowed portion. The gas mixer may also have a displacement body axially displaceable and coaxially arranged within the air path. The displacement body and the housing may define an air passage disposed at the narrowed portion. The gas mixer may further have a fuel inlet fluidly connected to the air passage. The fuel inlet may be configured to supply gaseous fuel to the air passage. Further, the gas mixer may have an adjusting unit disposed at least partially within the air path. The adjusting unit may be connected to the displacement body and may be configured to axially displace the displacement body.
F02D 9/12 - Throttle valves specially adapted thereforArrangements of such valves in conduits having slidably-mounted valve-membersThrottle valves specially adapted thereforArrangements of such valves in conduits having valve-members movable longitudinally of conduit
E04B 1/34 - Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairsFeatures relating to the elastic stability
E04B 1/343 - Structures characterised by movable, separable, or collapsible parts, e.g. for transport
E04H 1/12 - Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
B65D 88/12 - Large containers rigid specially adapted for transport
F01N 3/02 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
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
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
01 - Chemical and biological materials for industrial, scientific and agricultural use
04 - Industrial oils and greases; lubricants; fuels
35 - Advertising and business services
Goods & Services
Chemical additives for lubricants; detergent additives for lubricants; chemical products for addition to lubricants; chemical additives for use in the production of lubricants; oil dispersants; oil-separating chemicals; oil-purifying chemicals. Industrial oils; lube oil; chain oil; motor oil; combustible oil; gas oil; diesel oil; engine oil; lamp oil; industrial grease; lubricating grease, chain grease; automotive grease; chassis grease; lubricants; industrial lubricants; automotive lubricants; automobile lubricants; oil based lubricants; motor vehicle lubricants; fuels; fuel oil; illuminants; dust absorbing, wetting and binding compositions. Retail services in relation to lubricants, lube oil and industry oil; wholesale services in relation to lubricants, lube oil and industry oil.
An engine block of an internal combustion engine is disclosed. The engine block may have a piston and at least one gas exchange valve. The piston may have a piston skirt having a first center axis. The piston may also have a piston head delimiting the piston skirt at the top with a diameter D. The piston head may have a piston head edge and a piston head recess with a piston recess wall having a height H. At least one valve pocket may be formed into the piston head edge. The at least one valve pocket may have a valve pocket depth T with respect to the piston head edge. The valve pocket depth T may fulfill the following condition with respect to the wall height H: 0.05 H<=T<=0.5H.
F02B 23/06 - Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
F02F 3/28 - Other pistons with specially-shaped head
Ignition electrodes (80) having at least one electrode arm (82) may be exposed to high thermal and mechanical stress, which may lead to undesired fails of the material due to the known bending process when manufacturing cross-type ignition electrodes. Therefore, the present disclosure relates to a method for manufacturing an ignition electrode (80) of a spark plug (60) configured to be used in an internal combustion engine (10) and including a pre-combustion chamber (66). The method may comprise providing a mixture of powdered metal and binder material, forming the mixture of powdered metal and binder material into a desired shape, debinding the formed mixture of powdered metal and binder material for driving off the binder material, thereby forming a blank, and sintering the blank.
The present invention relates to a spark-ignited gas engine 1 having an exhaust gas duct 6 and a cylinder head 1.2, said cylinder head 1.2 having at least one spark plug 2 with a prechamber 2.1 and an injector 2.2, said injector 4 being connected to the prechamber 2.1 for flushing the prechamber 2.1 with hydrogen, and having a thermal reformer 5 for generating hydrogen, whereas said reformer 5 is supplied with water and converts water into hydrogen according to the following reactions: R1: MOred + H20 «-» MOOX + H2 or R2: MOOX «-» MOred + 02, and the reformer 5 is connected to at least a part of the exhaust gas duct 6 for supplying the reformer 5 with heat and there are additional heating means 7.1, 7.2, said heating means 7.1, 7.2 being powered by a part of the gas the engine 1 is powered with in order to achieve the following exothermic oxidation reaction: R3: CH4 + 02 «-» 2H20 + C02, or R3' : CnHm + (n/2)02 «-» (m/2)H2 + nCO, whereby the heating means 7.1, 7.2 are thermodynamically coupled to the reformer 5 for additionally heating the reformer 5.
F01N 5/02 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
F02M 27/02 - Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sonic waves, or the like by catalysts
