An interface unit providing an interface between a control and sensor system of an assisted vessel with thrust capabilities and a master dynamic positioning system. The master dynamic positioning system is configured to control a number of auxiliary vessels as one unit and control the thrust capabilities of the assisted vessel for assisting in manoeuvring of the assisted vessel. A master dynamic positioning system comprises the interface unit above. A system for assisting in manoeuvring of a vessel with thrust capabilities comprises the master dynamic positioning system controlling a number of auxiliary vessels as one unit for assisting in manoeuvring of an assisted vessel. A dynamic positioning system of each of the auxiliary vessels is controlled by the master dynamic positioning system. The master dynamic positioning system controls the thrust capabilities of the assisted vessel. The master dynamic positioning system may be provided on-board a tugboat.
B63H 25/00 - SteeringSlowing-down otherwise than by use of propulsive elementsDynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
2.
ROTARY ACTUATOR, VARIABLE PITCH HUB, PROPELLER MOUNT
Various aspects provide for a rotational actuator comprising a piston configured to move tangentially in a channel. The piston may be coupled to an axle via a lever to rotate the axle as the piston moves. Hydraulic fluid pumped into/out of the channel may actuate the piston to rotate the axle. A rotational actuator may be coupled to a propeller mount connected to a propeller and configured to rotate the propeller mount and propeller to change pitch of the propeller. A hub comprising propeller mounts may couple propeller blades in a manner that provides variable pitch. A propeller may be connected using a single bolt.
The invention relates to a method of operating a waterborne vessel propelled by at least one mechanical transmission azimuth thruster comprising a driveline connecting a motor located inside the hull of the vessel to a propeller (1) mounted to an outboard azimuth unit of the azimuth thruster, which azimuth unit is arranged to be rotated to any horizontal angle and which driveline comprises a generally vertical shaft (2) and a generally horizontal shaft (3) which is connected to the vertical shaft via a bevel gearing (4) comprising a first bevel gear (5) mounted on the vertical shaft and a cooperating second bevel gear (6) mounted on the horizontal shaft, which motor is drivingly connected to the vertical shaft and which horizontal shaft is drivingly connected to the propeller. The method comprises the steps of, during a first period of time, operating the azimuth thruster utilising a first load direction of the bevel gearing; and, during a second period of time after the first period of time, operating the azimuth thruster utilising a second load direction of the bevel gearing, which second load direction is opposite to the first load direction. The invention also relates to a mechanical transmission azimuth thruster for implementing the method.
B63B 9/00 - Methods of designing, building, maintaining, converting, refitting, repairing, or determining properties of, vessels, not otherwise provided for
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
4.
AUTOMATED TRANSPORTABLE MOORING UNIT AND A SYSTEM COMPRISING MULTIPLE AUTOMATED TRANSPORTABLE MOORING UNITS
Automated transportable mooring unit (1) comprising; a rope handling crane (2) with a grasp unit to collect and deliver a rope, and one or more winch(es) (3), a crane and rope handling control system, a communication device, a locking and unlocking mechanism (4) for fixing/ releasing the unit (1) to/from the port infrastructure. A system comprises multiple automated transportable mooring units communicating with each other.
A trawl block suspension (10) comprising a trawl block (6) suspended to a linear movable wagon (2) on aft of a vessel for supporting and guiding a towline (12) of a trawl, wherein said wagon (2) comprises a frame (5), the trawl block (6) is connected to an end of the frame (5), and said frame (5) is articulated connected to the wagon (2), such that at least the end of the frame (5) with the trawl block (6) can be lowered and raised.
Method for internal access in an electric machine (10), said machine (10) comprising a motor housing (12) with a stator (14) and a rotor (16) equipped with permanent magnets, said rotor (16) being connected to a central shaft (24) by bearings (20), and the motor housing (12) comprises end plates (18) and bearing housing (22) covering said bearings (20) supporting the shaft (24), wherein the method comprises the steps: inserting a number of locking wedges (40) through holes (26) in the end plate (18), and into an air gap (28) between the rotor (16) and the stator (14); firmly locking the rotor (16) with respect to the stator (14) using said locking wedges (40) in the air gap (28); and removing the bearing housing (22) for access to internal parts of the machine (10).
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Combined module handling and crane system on a vessel (10), comprising a crane pedestal (22) placed on a deck (12) of the vessel (10), wherein said crane pedestal (22) is equipped with a top mounted and swingable crane (20), and a side mounted and vertically skidable module handling support cursor (30), and the vertically skidable module handling support cursor (30) is operative to travel between the guide tracks (40) on the crane pedestal's (22) stationary lower part (22b) and the guide tracks (42) on the crane pedestal's (22) swingable upper part (22a).
B66C 13/06 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
B63B 27/10 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
B63B 27/30 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for transfer at sea between ships or between ships and off-shore structures
B66C 7/00 - Runways, tracks, or trackways for trolleys or cranes
B66C 7/12 - Devices for changing direction of travel or for transferring from one runway to anotherCrossingsCombinations of tracks of different gauges
B66C 23/16 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
The present document discloses method, system and device for maritime pilotage involving a pilotage control center where a request for pilotage assistance for a vessel is received. After negotiating the request and - if agreed - the following steps are performed: a pilotage communication is established linking at least two of the requesting vessel, a pilot communication unit and the pilotage control center; at least one unmanned pilotage assistance vehicle is deployed and connected into the communication; navigational information based on data from a sensor package onboard the unmanned pilotage assistance vehicle is provided for shared situational awareness during piloting decision making for the piloted vessel.
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collisionImproving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
B63B 35/00 - Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
G05D 1/02 - Control of position or course in two dimensions
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
B63H 25/00 - SteeringSlowing-down otherwise than by use of propulsive elementsDynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
B64C 39/02 - Aircraft not otherwise provided for characterised by special use
G08G 3/00 - Traffic control systems for marine craft
Boat transfer system (10;110) on a floating vessel (30), comprising at least one deployment frame (14;114) for deployment of a cradle (12), wherein said deployment frame (14;114) is movable in a mainly horizontal direction and the deployment frame (14;114) is equipped with upright guides (18;118) for vertical movement of the cradle (12), and said cradle (12) is connected to a guide system (22;130,132,134) for controlled movement of the cradle (12) in the upright guides (18;118).
A method of controlling a crane (101) and a vessel (102) comprising a crane, for transferring equipment to a second vessel (2009, comprising a crane controller controlling the motion of the crane, a first motion reference unit (102) in communication with the crane controller, a second motion reference unit (103) in communication with the crane controller, wherein the crane controller is adapted to transfer the second motion reference unit to the second vessel, receive motion information from the first motion reference unit and the second motion reference unit, determine a relative motion between the vessel and the second vessel based on the received motion information and dynamically adjust the position of the crane to compensate for the relative motion between the vessel and the second vessel.
B63B 27/30 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for transfer at sea between ships or between ships and off-shore structures
Method for establishing a mechanical connection to or from a vessel by use of an unmanned vehicle, the unmanned vehicle is also used for mooring of a vessel to a quay.
The invention relates to a tug for maneuvering a vessel, comprising at least one proximity sensor in a contact area, the proximity sensor being configured to detect a distance between the contact area and the vessel, and a tug controller unit controlling an approach of the tug towards the vessel based on the detected distance between the contact area and the vessel.
The invention relates to a tug controller and a tug for maneuvering a towed vessel, comprising a dynamic positioning system, and a tow equipment comprising a towline connected to the towed vessel, wherein the tow equipment is automatically controlled by the dynamic positioning system based on a plurality of input parameters.
B66D 1/50 - Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchorsWarping or mooring winch-cable tension control
G05D 1/02 - Control of position or course in two dimensions
Knuckle boom crane (10) in a launch and recovery system (LARS), comprising a foundation (28) equipped with a tiltable lower boom (12) and an articulated connected and tiltable upper boom (14), each driven by respective cylinders (16,18). The upper boom (14) comprises a movable wagon (30), said wagon (30) being movable in a longitudinal wagon rail (32) in the upper boom (14), and a tiltable docking head (40) is connected to the movable wagon (30).
B66C 23/68 - Jibs foldable or otherwise adjustable in configuration
B66C 13/02 - Devices for facilitating retrieval of floating objects, e.g. for recovering craft from water
B66C 1/62 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
B63C 11/00 - Equipment for dwelling or working under waterMeans for searching for underwater objects
B66C 23/00 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes
Vibratory treatment apparatus including a first receptacle arranged to receive media for vibratory treatment of the article, the first receptacle defining a first aperture; and a first valve positioned at the first aperture of the first receptacle, the first valve being arranged to allow passage of the article there through and to prevent the flow of media through the first aperture.
B24B 31/00 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor
B24B 19/14 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
B24B 57/02 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
B24B 31/06 - Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is looseAccessories therefor involving oscillating or vibrating containers
16.
UNMANNED SURFACE VESSEL FOR REMOTELY OPERATED UNDERWATER VEHICLE OPERATIONS
The invention relates to an unmanned surface vessel for remotely operated underwater vehicle (ROV) operations, comprising an ROV, a deployment and recovery device to deploy an ROV from the vessel to water and recover the ROV from the water to the vessel, and a vessel control unit controlling the deployment and recovery of the ROV, the operation of the ROV, and movements of the vessel.
Various aspects provide for a lifeboat ramp configured to convey lifeboats off a ship. The ship may have a large area propeller, which may be disposed below, or even aft of, the transom. A director (e.g., a rudder, nozzle, and the like) may be disposed aft of the propeller, and may be located aft of the transom. A bracket may couple the lifeboat ramp to the ship. The bracket may be located aft of the transom, and may be located substantially above the director.
Various aspects provide for a ship having a main propeller and a steer able contra-rotating propeller (steer able CRP). The steer able CRP may comprise a contra-rotating propeller and a transmission coupling the contra-rotating propeller to the ship. The transmission may drive (e.g., spin) the contra-rotating propeller to generate thrust. The transmission may direct the thrust of the CRP independent of the thrust direction of the main propeller, such that the steerable CRP may be used to impart a different thrust (e.g.) a lateral thrust while the main propeller is imparting longitudinal thrust. The CRP may be directed to impart a longitudinal thrust, in parallel with the main propeller.
B63H 25/42 - Steering or dynamic anchoring by propulsive elementsSteering or dynamic anchoring by propellers used therefor onlySteering or dynamic anchoring by rudders carrying propellers
B63H 5/10 - Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
Various aspects provide for a ship having a drive propeller and a steerable grim vane. The steerable grim vane may comprise a non-driven propeller and a transmission coupling the non-driven propeller to the ship. The transmission may direct the thrust of the non-driven propeller independent of the thrust direction of the drive propeller, such that the steerable grim vane may be used to impart (e.g.) a lateral thrust while the drive propeller is imparting longitudinal thrust. The pitches of the grim vane may be chosen to harvest energy in the water flowing past the ship (e.g., from the drive propeller), increasing propulsion efficiency.
B63H 25/42 - Steering or dynamic anchoring by propulsive elementsSteering or dynamic anchoring by propellers used therefor onlySteering or dynamic anchoring by rudders carrying propellers
B63H 5/10 - Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
A ship may comprise a propeller proximate to the hull. A compliant surface may be coupled to a decoupled portion of the hull. The compliant surface may move in response to imparted loads, which may reduce the transmission of undesired loads into the hull. The compliant portion may include and/or be incorporated with a ducktail. A ship may comprise a ducktail and a propeller (e.g., a large area propeller) located behind a transom of the ship.
A spooling apparatus (40) for spooling and regulating the pull of a rope (12) or a cable that shall be spooled onto or out from a winch drum (22), comprising a spooling sheave (42) onto which the rope (12) is guided before it is spooled onto the winch drum (22), where the spooling apparatus (40) comprises a linearly moving slide (44) and that the spooling sheave (42) is mounted in the slide (44) so that it can be tilted sideways. Also described is a system for the spooling in of a rope (12) or a cable that shall be spooled onto or out from a winch drum (22) comprising a winch (20) with said winch drum (22) and a traction unit (26) for the tension on the rope (12), and also a spooling apparatus (40).
B66D 1/36 - Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
B66D 1/38 - Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
B66D 1/52 - Control devices automatic for varying rope or cable tension, e.g. when recovering craft from water
The invention relates to a marine surface vessel (1), in particular a passenger ship, extending in a longitudinal direction between a bow (2) and a stern (3), comprising - least one power providing apparatus (6) operatively connected to at least one propulsion unit (7) for propulsion of the vessel, - a fuel tank arrangement (8) for storing gaseous fuel in a liquid phase, connected to the power providing apparatus (6) by means of a gas supply system for running the power providing apparatus (6), and - a plurality of decks (91-98) distributed vertically, one above the other, - the fuel tank arrangement (8) comprising two tank sub-arrangements (81, 82), each tank sub-arrangement comprising at least one gaseous fuel tank (811, 812, 821, 822), each fuel tank extending vertically past at least two of the decks (92-95), and at least two of the decks (92-95), past which the fuel tanks (811, 812, 821, 822) extend, each presents a passageway (941) extending between the tank sub-arrangements (81, 82).
B63B 17/00 - Vessels parts, details, or accessories, not otherwise provided for
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
B63H 21/14 - Use of propulsion power plant or units on vessels the vessels being motor-driven relating to internal-combustion engines
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
B63H 21/32 - Arrangements of propulsion power-unit exhaust uptakesFunnels peculiar to vessels
The present invention relates to a propulsion unit nozzle for being arranged around a propeller in a propulsion unit, comprising : a load bearing core structure extending in a circumference of the propulsion unit nozzle; and a plurality of hydrodynamic elements mounted on and enclosing the core structure thereby defining the outer and the inner surfaces of the propulsion unit nozzle. The invention further relates to a propulsion unit for a vessel comprising a propulsion unit nozzle and to a method for the manufacture of a propulsion unit nozzle.
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
The present invention is directed to a modular azimuth thruster (1) for propelling a vessel, having a thruster housing (1) around which water flows, and comprising: a standardized core unit (2) having a core unit housing (21) forming part of the thruster housing, a transmission line (6) arranged within in the core unit housing (21), comprising a propeller shaft (61) extending in a longitudinal direction (13) of the thruster housing, and a propeller (3) arranged outside the thruster housing and being operationally connected to the propeller shaft. The present invention further relates to a vessel comprising an azimuth thruster and a method of configuring an azimuth thruster.
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
B63H 25/42 - Steering or dynamic anchoring by propulsive elementsSteering or dynamic anchoring by propellers used therefor onlySteering or dynamic anchoring by rudders carrying propellers
The present invention relates to a system for conditioning LNG in a fuel system, the system also supplying natural gas to at least one consumer, where the system comprises at least one LNG tank, a pump and a pressure build-up unit. The pump is in fluid communication with the at least one LNG tank through an outlet conduit, a pump inlet conduit and at least one pump return conduit, while the pressure build-up unit is in fluid communication with the at least one LNG tank through at least one inlet conduit, the outlet conduit, gravity feed conduit and conduit. Furthermore, the pump and the pressure build-up unit are in fluid communication through a pump outlet conduit and a pressure build-up conduit. The present invention also relates to a method for conditioning LNG in a fuel system, the method also supplying natural gas, the method comprising transferring an amount of LNG from the at least one LNG tank to a pump when a pressure in the at least one LNG tank fall below a certain pressure, using the pump to raise the pressure of the LNG, transferring wholly or in part the raised pressure LNG to a pressure build-up unit to heat the LNG and transferring the fluid to the at least one LNG tank.
The present invention relates to a tank, where the tank comprises an elongated and hollow vessel, each end of the vessel being closed by an end cap, where 2N bulkheads with curved surfaces are arranged within the vessel, a bulkhead nearest one end cap of the tank has a concave surface facing said end cap and a subsequent following bulkhead as a convex surface facing said end cap, any further bulkheads being arranged with alternating concave and convex surfaces relative said end cap, N being an integer from 1 to infinite.
A method and device for the assembly of rotors (11) comprising permanent magnets (12i) at the rotors (11) periphery. The magnets are mounted and secured to the rotor (11) in non-magnetized state. Magnets and rotor are covered with a layer (13) of an electrically insulating, non-magnetisable and non-corrosive material, whereafter the magnets (12i) are magnetized in the assembled and covered condition, one at a time. During magnetization the rotor is successively locked in fixed positions for magnetization of one magnet at a time.
A vessel comprising a propulsion unit (10), the propulsion unit having a propeller (14), where the propulsion unit is arranged to be pivoted to any orientation between a first deployed orientation and a second retracted orientation, where in the first orientation the propeller provides thrust in a thrust direction for moving the vessel and in the second orientation is pivoted around a pivoting axis (17), wherein the pivoting axis is proximate to a propeller bearing located near or at the propeller, in a way such that in the second orientation, the propulsion unit is substantially flush with a hull (2) of the vessel, and wherein energy for providing thrust to the propulsion unit is supplied in manner adapted to allow pivoting of the propulsion unit between the first and the second orientation. The document further relates to a use of such a vessel, which is in particular suited for combined operation in deep as well as shallow water.
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
Cargo securing system for a supply vessel (PSV) or the like, comprising a pulley arrangement (10) mounted on one side of a cargo (40) where a cargo securing cable (26) extends from said pulley arrangement (10) and over the cargo (40) to an anchoring point (50) at the other side of the cargo (40), and also that the pulley arrangement (10) comprises a rail (12) equipped with a winch (14) where the rail (12) further comprises a longitudinally running slit (24) equipped with a sheave (16), the height of which can be regulated. The pulley arrangement (10) is arranged standing up in the cargo railing (30) of the vessel and the rail (12) comprises a guiding disk (18) for guiding of the cargo securing cable (26) onto the winch (14).
A flexible float (2) for a marine seismic source (1), the flexible float (2) comprising a head member (10), a plurality of connection members (12) and a tail member (13), where the head member, connection members and tail member are connected by tubular flexible float members (11) to make a flexible elongated float, where suspension lines (4) and a steering line (5) are connected to the connection members (12) and head member (10), wherein a pneumatic cable (6) for providing pressurized air to the flexible float (2) is connected to the tail member (13), where air hoses (49, 49') and air tubes (33) are arranged to deliver pressurized air to each of the connection members (12) and the head member (10), and where each of the connection members (12) and head member (10) comprises one or more air operated winch for adjusting the length of the suspension lines (4) and the steering line (5), and a marine seismic source comprising the flexible float, are described.
The invention relates to a ship presenting a hull (2) having a bow (201) and a stern (202), the ship comprising - at least one main propulsion device (3) located towards the stern, and - at least two secondary propulsion devices (4) located towards the stern, the thrust capacity of each secondary propulsion device (4) being less than 30% of the thrust capacity of any of the at least one main propulsion device (3), - wherein the propulsion devices (3, 4) are arranged, as projected on a plane which is perpendicular to a hull centreline (CL), so that the horizontal extension (HES) of each secondary propulsion device (4) does not overlap the horizontal extension (HEM) of any of the at least one main propulsion device (3), - wherein the at least two secondary propulsion devices (4) are arranged so that regions (7) where the prop washes (8) from the secondary propulsion devices (4) leave the secondary propulsion devices (4) are at least partly located, when the ship is moving straight ahead at full speed or flank speed, within a boundary layer (6) of the hull (2).
B63H 5/08 - Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
B63H 5/16 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recessesArrangements on vessels of propulsion elements directly acting on water of propellers with stationary water-guiding elementsMeans to prevent fouling of the propeller, e.g. guards, cages or screens
Various aspects provide for a ferry having a lower deck (310). An entrance (130) in the hull provides access to the lower deck via an entrance ramp (312). The entrance may be located sufficiently high above the waterline that a sea-tight door to the entrance is not required. One or more upper decks may be accessed via upperdeck access ramps, which may connect an upper deck to an upperdeck entrance. A pier (602) may comprise a plurality of loading platforms, typically at different heights, configured to match up with a corresponding plurality of entrances on a ferry.
The present invention is directed to a modular azimuth thruster (1) for propelling a vessel, having a thruster housing (1) around which water flows, and comprising: a standardized core unit (2) having a core unit housing (21) forming part of the thruster housing, a transmission line (6) arranged within in the core unit housing (21), comprising a propeller shaft (61) extending in a longitudinal direction (13) of the thruster housing, and a propeller (3) arranged outside the thruster housing and being operationally connected to the propeller shaft. The present invention further relates to a vessel comprising an azimuth thruster and a method of configuring an azimuth thruster.
B63H 25/42 - Steering or dynamic anchoring by propulsive elementsSteering or dynamic anchoring by propellers used therefor onlySteering or dynamic anchoring by rudders carrying propellers
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
The present invention concerns an arrangement (20) for measuring torque in a transmission system with a quill shaft (2) coaxially inside a bore of a driveshaft (3), coaxially supported in a sleeve (6). The quill shaft is fixed to the driveshaft (3) at a first end and to the sleeve (6) at a second end, whereby a load applied to the driveshaft (3) results in torsion of the quill shaft (2) and a torsional displacement of the driveshaft (3) in the sleeve (6). The arrangement includes a measuring surface (221) extending circumferentially along a segment angle of the transmission system and the measuring surface extends with a varying distance in an axial direction along at least a part of the segment angle at one of the sleeve (6) and the driveshaft (3). A gap sensing element (21) is provided for measuring the size of a gap between the gap sensing element (21) and the measuring surface (221) at the other of the sleeve (6) and the driveshaft (3).
G01L 3/06 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving mechanical means for indicating
G01L 3/08 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving optical means for indicating
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
B63H 23/34 - Propeller shaftsPaddle-wheel shaftsAttachment of propellers on shafts
An offshore supply ship (10) for transport of cargo is described, comprising an, in the main, open deck (12), and also several cargo tanks (30) that lie below the deck (12), and where one or more watertight rooms (24) extend between a number of said cargo tanks (30) and the deck (12). A centrally and longitudinally running cargo rail (18) extends on said deck (12) in the longitudinal direction of the ship (10), and a number of ventilation lines (22) runs from said cargo tanks (30) through said watertight rooms (24) and up into the centrally placed cargo rail (18 ).
The present invention relates to a thrusterand a propulsion system for a vessel, comprising a quill shaftarranged within a propeller shaft.The assembly includes a propeller shaft with a propeller shaft bore, and a splinedportion in the propeller shaft bore. The quill shaft includes a splined end.Thequill shaftisarranged within the propellershaft. A connecting disk is attached to the quill shaft outboard end to hold the quill shaft in an axial direction. Furthermore, the invention relates to a quill shaft attachment sleeve.
B63H 23/34 - Propeller shaftsPaddle-wheel shaftsAttachment of propellers on shafts
B63H 23/06 - Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
Propulsion unit (11) for propulsion and maneuvering of a maritime vessel, including a nozzle (12) provided with a sectioned leading edge (21) on inlet of the nozzle (12), which leading edge (21) is formed by sections (21a) of a low-weight non-metallic material, and a front ring (30), which front ring (30) is arranged between main part of the nozzle and the sectioned leading edge (21) and is arranged for providing a fastening point for the sections (21a) of the leading edge (21). In an alternative propulsion unit (11) the nozzle (12) is provided with a sectioned leading edge (21) on inlet of the nozzle (12), which leading edge (21) is formed by sections (21a) of low-weight non- metallic material and at least one section (21a) of metal, where the at least one section (21a) of metal is integrated with the stays (15) in front of the propeller section (13), which stays extend from the periphery of the leading edge (21) and in towards center of the leading edge (21) and are connected with the hub (14) at the other end of the stays (15).
System for controlling the loading or unloading a cable [2] or the like onto a drum [3], wherein the drum [3] has a known first rotation axis loading or unloading the cable, the system also comprises an imaging means [1] aimed at the cable [2] from a position at a distance from the drum rotation axis, the imaging means [1] being adapted to measure the direction of the cable [2] relative to the rotational axis of the drum. The imaging means can be constituted by a video camera.
A method is described for the lowering of a load (18) to the ocean floor from a vessel (10) that floats on the ocean surface, comprising the features: to couple a first lifting line (20) from a load holding winch (12) to the load (18), to connect a second lifting line (22) from a positioning winch (14a) to the load (18) and to adjust the positioning winch (14a) so that a fraction of the weight of the load (18) is taken up, to set the load holding winch (12) in a constant tension mode and to adjust the load holding winch (12) so that a fraction of the weight of the load is compensated, where the fraction of the weight that the load holding winch (12) takes up is greater than the fraction of the weight which the positioning winch (14a) takes up, and during lowering of the load (18), the positioning winch (14a) lets out the second lifting line (22) for lowering of the load (18), while the load holding winch (12) follows behind with letting out the first lifting line (20). A method for hoisting of the load is also described.
A ring propeller (12) for a thruster (10) is described. The ring propeller (12) comprises a ring (15), a centre element (16) and at least one propeller blade (18) extending between and attached to the centre element (16) and the ring (18) respectively. The at least one propeller blade (18) is provided with forward skew and the leading edge profile (19) of the at least one propeller blade (18) has an S- shape in a cross section perpendicular to the ring propeller's (12) axis of rotation A.
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
A rope stopper system for a fibre rope (30) is described, where a rope stopper (10) is placed on a deck of an anchor handling vessel (50) or the like, and is arranged to grip and secure the fibre rope (30), that runs through the rope stopper (10). The rope stopper (10) comprises a frame (12) equipped with at several rotary stopper elements (14), where the stopper elements (14) are arranged in an opening (16·) in the frame (12), said opening (16) being a through-running opening to receive the fibre rope (30), and where the stopper elements (14) are placed radially in the opening and about the through-running fibre rope (30), arranged to lock the fibre rope (30), and the rope stopper (10) is equipped with a back support (22), in where the back support (22) is designed with an arched back side.
Propulsion unit (11) for propulsion and maneuvering of a maritime vessel, which includes a nozzle (12) exhibiting a curved following edge (12) at outlet of the nozzle (12), which results in that length of the nozzle (12) is longer in upper part of the nozzle (12) and shortest at the outermost points of a horizontal central axis through the nozzle (12), when the nozzle (12) is seen from behind.
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
Rotor for motor or generator, which rotor (11) includes a rotor ring (12), which rotor includes a yoke formed by yoke segments (13) which by arrangement to the rotor ring (12) forms a complete yoke. The yoke segments (13) are provided with one or more magnet blanks (19), which magnet blanks (19) are formed by one or more permanent magnets (18).
Propulsion unit (11) for propulsion and maneuvering of a maritime vessel, which includes a nozzle (12) wherein a propeller section (13, 13a) is arranged, which propeller section (13, 13a) is electrically or hyd rau lically driven, which propulsion unit (11) includes a fastening device (16) arranged for arrangement to hull of the vessel or to a steering device arranged for steering and/or moving the propulsion unit (11). The fastening device (16) is formed by two stems (17a-b) extending in parallel or laterally reversed about an vertical central axis from an upper surface of the nozzle (12) of the propulsion unit, which stems (17a-b) end in a fixing flange (18) for thereby providing an opening (19) which provides the propulsion unit (11) with improved hydrodynamic performance.
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
B63H 23/24 - Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
B63H 23/26 - Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing fluid
45.
DISCONNECTION UNIT FOR INSTANTANEOUS DISCONNECTION OF A LOAD.
A disconnection unit (10) is described for instantaneous disconnection of a load connected to a vessel (12) with the help of a wire, cable, chain or the like (16) that runs on a topside of an assigned part of an open deck (14) of a vessel, where the unit (10) comprises a housing (30) that contains an explosive part (32), said explosive part comprises, at least, one explosive unit (34) formed as a directed charge with a blast-off side, where the unit (10) is arranged to extend above the deck (14) of the vessel, and the unit (10) comprises a rod mechanism (50) arranged to hold the housing with the explosive part (32) adjoining said wire, cable, chain or the like (16) that shall be cut. Also described is an anchor handling vessel comprising, at least, one disconnection unit.
A tensioning device (7) for tensioning of a rope or cable (5) to be spooled onto or off a winch drum (4), the tension device (7) comprising wheels (10, 20, 30, 40), drums and/or belts(10, 20, 30, 40), characterised in that the wheels, drums and/or belts (10, 20, 30, 40) are arranged to be displaced from an disengaged position where the rope or cable (5) is running freely through the tensioning device (7), and an engaged position where the rope or cable (5) rests against said wheels, drums and/or belts (10, 20, 30, 40) that are provided with braking means (13) to withhold the rope or cable (5) to provide a tension, is described. A hoisting device comprising a tensioning device (7) is also described.
Method and device for starting a motor (12) in weak grids, especially asynchronous motors, which motor after start-up is supplied by a supply grid (13). The device (11) includes a frequency converter (14), which is rated in relation to the size of the motor (12) and arranged to bring the motor (12) up in speed, arranged to synchronize output voltage with voltage from the supply grid (13), and arranged for connecting the motor (12) to the supply grid (13) after the voltage of the motor is synchronized with the voltage of the supply grid (13). The main object is to do this with as low costs as possible and in the most space-saving manner.
H02P 1/16 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
H02P 1/30 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by progressive increase of frequency of supply to primary circuit of motor
H02P 1/42 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
H02P 1/52 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor by progressive increase of frequency of supply to motor
H02P 27/04 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
48.
PERMANENT MAGNET MOTOR WITH A CLOSED COOLING SYSTEM
An electric, permanent magnet motor (10) is described, where the motor comprises a motor housing (12) with a stator (14) and an internal rotating rotor (16) connected to a central shaft (24), as the rotor (16) is equipped externally with magnets (30) and the stator (14) is internally equipped with coils (32) and that during operation of the motor, the torque is transferred to the central shaft (24) for operation of external equipment. The motor (10) is equipped with a closed cooling system in the form of a rotor cooling system and a stator cooling system, where the closed rotor cooling system comprises an internal fan system in the motor housing (12) and which is arranged to force a cooling agent to flow through an air gap (52) between the rotor (16) and the stator (14), and past one or more heat exchangers (54) inside the motor housing (12), for cooling the cooling agent which shall be forced through the air gap (52) again, and the stator cooling system comprises a cooling jacket (40) in the motor housing (12), and which surrounds the stator (14), as the fluid is forced to flow through the cooling jacket (40) to take up the heat loss from, at least, the stator (14), and where the cooling jacket (40) of the stator cooling system comprises an internal fluid channel (42) for circulation of the fluid.
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/08 - Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
A heave compensated crane is described, comprising a lower vertical beam (10) and an upper horizontal beam (12) which are mutually connected via an articulated piece (20), as the vertical beam is connected at the bottom to a base (14) which in turn comprises a slew ring for rotation of the crane about a vertical axis, and a strut (22) is arranged between the base (14) and the articulated piece (20) at a distance from the vertical beam (10) and largely in parallel with this in a normal position for the crane, and that the vertical beam (10) is driven by, at least, one cylinder (18) and the upper crane beam (12) in its movement in relation to the lower beam (10) is driven by an intermediate cylinder arrangement (16), where the cylinder arrangement (16) comprises, at least, one single working cylinder (30) and, at least, one double working cylinder ( 32 ).
A system for intervention or abandonment of a subsea wellbore having a production tree above waterline includes: a tower; riser joints; and a riser handler: operably coupled to the tower so that the riser handler may be raised and lowered along rails of the tower, and operable to handle the riser joints for assembly thereof; a skid connectable to skid rails of a production platform; a bottom frame connected to the skid; and a tower floor connected to the frame and having rails and runners: operably coupled to the rails at a top of the tower floor and operable to: receive the tower in the horizontal position, raise the tower to the vertical position, and move the tower along the rails; and a rotary jack: connectable to the production tree via one or more of the riser joints, and operable to raise, lower, and rotate a jointed tubular string.
Lifting device, such as a winch, crane or similar, especially in connection with maritime applications, which lifting device includes one or more electrical motors (11) for powering a drum (12) with lifting wire, which motor(s) are externally supported independent of the drum (12). The motor(s) (11) is/are permanent magnet motor(s) and is/are arranged for working as both a motor and generator, which motor(s) (11) is/are: - controlled by one or more frequency converters (13), - directly connected to the drum (12) or connected to the drum (12) via suitable transmission means, such as a gear. The lifting device further includes a safety device, which at loss of power (power failure, black-out, phase error, ground fault, etc.) is arranged to: - generate a counter-moment in the motor (11) to brake the fall of a load at loss of power, and/or - braking and possibly locking a load with available moment in the motor (11) at loss of power, or - provide the motor (11) without any moment for releasing/"free fall" of the load.
B66D 5/00 - Braking or detent devices characterised by their application to lifting or hoisting gear, e.g. for controlling the lowering of loads
B66C 13/26 - Circuits for controlling the lowering of the load by AC motors
H02P 3/22 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor by short-circuit or resistive braking
The present invention relates to a lifting device (1) for handling and/or moving loads, the lifting device comprising two vertical booms (2) which via one of their ends are pivotally connected to a base and via their opposite end are pivotally connected to a horizontal beam (3), forming a frame for the lifting device (1), wherein at least one cylinder (5) is connected to each of or one of the vertical booms (2), so as to be able to turn the lifting device (1) around the pivot point. The horizontal beam (3) is further pivotally connected to at least one tension rod (6). The vertical booms (2), the tension rods (6) and the horizontal beam (3) will then be pivotal in relation to each other. By means of the present invention, a less torque-critical lifting device is provided, as the vertical booms (3), when handling and/or moving a load, will take up compressive forces, whilst the tension rods (6) will take up tensile forces.
B66C 23/06 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements
A gripping tool includes a bracket for connecting the gripping tool to a crane. The gripping tool further includes a main body connected to the bracket and a plurality of jaw members pivotally arranged on the main body. The plurality of jaw members are controlled by a plurality of actuators and are arranged to cooperatively grip and hold goods to be lifted or manipulated. A supplementary jaw member is displaceably connected to a first jaw member of the plurality of jaw members. The supplementary jaw member is displaced from a position where a gripping surface of the supplementary jaw member rests against a gripping surface of an outer surface of the first jaw member to a position where the gripping surface of the supplementary jaw member is separated by a distance from the gripping surface of the first jaw member.
B66C 1/42 - Gripping members engaging only the external or internal surface of the articles
B66C 3/00 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materialsGrabs
54.
THRUSTER UNIT AND METHOD FOR INSTALLATION OF A THRUSTER UNIT
A thruster for a vessel comprising a hull, which thruster comprises at least one tunnel element and at least one thruster unit. The tunnel element constitutes at least a part of a through tunnel in the hull when arranged in the hull. The at least one thruster unit and the at least one tunnel element are constructed with cooperating fastening devices for detachably fixing the at least one thruster unit in the at least one tunnel element so that the at least one thruster unit can be passed in through the tunnel and mounted to the at least one tunnel element, or demounted from the at least one tunnel element and passed out of the tunnel, A method for mounting and demounting a thruster in a tunnel element arranged in the vessel of a hull is also described.
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
B63H 25/42 - Steering or dynamic anchoring by propulsive elementsSteering or dynamic anchoring by propellers used therefor onlySteering or dynamic anchoring by rudders carrying propellers
Device and method for raising a rudder stock (2) on a ship to relieve the rudder radial bearing (16), wherein the rudder stock (2) is equipped with a steering engine fastened to the rudder stock (2) using a hydraulic nut (8), and wherein the steering engine is further connected to the structure of the ship (3). The device is an integrated part of the steering engine and comprises a top cover (6) for the steering engine having an integrated hydraulic cylinder (10), wherein the hydraulic cylinder further comprises a hydraulic piston (12), at least one supply channel (13) for hydraulic oil, and at least one fastening-/adjusting device (11).
Hybrid propulsion system for a vessel including main engines (11) connected to propulsion to propulsion means (12) via transmission devices (13) and connection devices (14) for connection and disconnection, where the system includes one or more electrical machines (15) arranged to the transmission device(s) (13) via connection device (16) for connection and disconnection of the (15) from the transmission device(2) (13), and one or more hybrid shaft generators (20), which is/are arranged between the electrical machine (15) and one or more switchboards (40) for the vessel.
A locking device (1) for temporarily locking of a rope, the locking device comprising two rods (2, 2a) at a distance greater than the diameter of the rope, the rods (2, 2a) being arranged about an origin of a turntable (4) so that a rope being arranged between the rods (2, 2a) is turned about the rods (2, 2a) as the turntable (4) is rotated, wherein each rod (2, 2a) form an acute angle with the plane of the turntable (4), is described.
The present invention relates to a rim driven propeller unit for a vessel, where a number of permanent magnets (4) are arranged round the propeller unit's rotatable rotor housing (1), comprising a number of propeller blades (3), and a number of permanent magnets round the propeller unit's external, stationary casing (2) housing the rotatable rotor housing, where the permanent magnets round parts of the rotatable rotor housing and the external, stationary casing's circumference are provided located above one another with like polarity, while other parts of the rotatable rotor housing and the external, stationary casing are provided located facing one another with opposite polarity, whereby the rotor housing and the stationary casing are repelled by and attracted to one another respectively, thereby being prevented from coming into contact with one another.
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
A rope handling system for an offshore vessel for handling of synthetic rope (3) for heavy lifting and deployment operations offshore, the system comprising multiple winch drums (11) adopted for housing a predetermined length of rope (3), a spooling system (13, 17) to spool in and spool out rope on the drums (11), a transfer system comprising of sheaves (14, 21, 22) for leading the rope (3) between a drum (11) and a traction winch (15), the traction winch (15) comprising three or more sheaves (30), where the sheaves are arranged so that rope may be arranged from one sheave to the next substantially following a common tangent of the two sheaves and so that the rope rests against about half the circumference of each sheave, and where each sheave operated by an independent motor (32), and where a rope stopper (4) is arranged downstream of the traction winch relative to the drum (11) upstream of the traction winch, is described. A method for handling rope during heavy lifting and deployment operations, and a method for loading rope onto the system are also described.
This invention relates to a hull for a seagoing vessel, comprising a steer board hull side (2), a leeward hull side (8) and a deck (4), with a stem(3) extending substantially vertically, wherein a boyance (6) is integrated with said hull sides (2, 8) adjacent the stem (3), such that the location of intersection (30) between the stem (3) and the bulb (6) is positioned adjacent the most frontwardly projecting portion (60) of the boyance (6), characterised in that said boyance (6) is in the form of a bulb having a maximum vertical extension (D) of the bulb that is within the range 0,9 Design Draught < D < 1.1 Design Draught, a curvature (R) at the front portion of the bulb (6) within the range of 0.2 Design Draught < R < 0.25 Design Draught, and that each hull side (2, 8) above the bulb (6) form a sharp water line entrance angle (γ ) within the range 10 deg < γ < 20 deg.
A gripping tool for a crane or the like, comprising a bracket (2) for connecting the tool to the crane or the like, a main body (6) connected to the bracket (2), where jaw parts (10, 11) are pivotally arranged on the main body 6, where the jaw parts (10, 11) are controlled by actuators (12) and where the jaw parts (10, 11) are arranged so that they may cooperatively grip and hold goods to be lifted or manipulated, wherein an supplementary jaw member (15) is displaceably arranged on one of the jaw parts (10) can be displaced from a position where a gripping surface (16) on the supplementary jaw member (15) rests against a gripping surface (17) of the outer surface of the jaw member (10), to a position where the gripping surface (16) has a distance to the gripping surface (17) of the jaw member, and where the displacement of gripping surface (16) is a substantially parallel displacement, is decribed.
B66C 1/58 - Gripping members engaging only the external or internal surface of the articles and deforming the articles, e.g. by using gripping members such as tongs or grapples
B66C 1/62 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
B66C 3/16 - Grabs opened or closed by driving motors thereon by fluid motors
62.
APPARATUS AND METHOD FOR IMMEDIATE EMERGENCY DISCONNECTION OF A LOAD
For immediate disconnection of a load connected to a vessel by a wire, cable, chain or the like (1) which is run on an upper side of an adapted part of an open vessel deck (2), a disconnecting apparatus (100), a wire cutter apparatus with a plurality of disconnecting apparatuses, and a vessel with a disconnecting apparatus or a wire cutter apparatus installed in or under the adapted part of the vessel deck. The disconnecting apparatus comprises an elongate and, in its longitudinal direction, essentially rectilinear outer housing (10) which houses an elongate and, in its longitudinal direction, essentially rectilinear explosive member (40) which comprises at least one explosive unit formed as a directed charge with an ejection side, and coupling area on the ejection side for coupling the elongate outer housing to the vessel deck in or under the adapted part of the vessel deck.
A crane characterized in that it comprises a lower vertical boom (10) and an upper horizontal boom (12), mutually connected through a joint element (20), in that the lowest part of the vertical boom is connected through a pedestal (14), the pedestal further comprising a slew ring for rotating of the crane about a vertical axis (16), and a tension rod (22) is arranged between the pedestal and the joint element in a distance from the vertical boom and mainly parallel to this in a normal position of the crane.
B66C 23/10 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontalLevel-luffing jib cranes
64.
DEVICES OF A CRANE FOR MOVEMENT CONTROL OF A HOISTING WIRE, AND USES THEREOF
A device associated with a crane is described for the control of unwanted movements of a load that is connected to a hoisting line (14) via a number of branch hoisting wires (28, 29), and it is characterised in that the crane derrick comprises means that are arranged to push against the branch wires to dampen and eliminate the unwanted movements. According to the invention the device is used to control rotary movements of a container with four hoisting wires connected to a hook (36) at the end of the main hoisting wire (14) and the arm (22) is unfolded into an approximately vertical position, the two branch arms (28, 29) are folded out into a T-shape (figure 5), the arm is rotated further so that the branch arms (30, 32) push against the branch wires (28, 29) with a power sufficient to prevent the container from moving in unwanted ways. According to one variant, a device associated with a crane is proposed for the control of the hoisting line (13) itself for a load. In this solution the arm (22) comprises a hoop part (131,132) arranged to be adjusted from a passive, storage position in the arm part to an active position encircling the hoisting line. An application of the device is also described.
B66C 13/06 - Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
65.
AN ARRANGEMENT FOR ATTACHING A SHIP RUDDER TO A RUDDER SHAFT, A RUDDER SHAFT, A SHIP RUDDER AND A METHOD FOR DISASSEMBLY OF A SHIP SHIP RUDDER FROM A RUDDER SHAFT
The present invention concerns an apparatus and method for attaching a ship rudder to a rudder shaft (1). The rudder shaft (1) includes a cylindrical portion (2) and an expanded flange part (3) with a cylindrical portion (4), followed by a conical portion (5). The rudder includes a rudder element (6) and a flange element (8) for attachment to the rudder element (6). Flange element (8) includes an internally cylindrical portion (9) for mating, sliding and sealingly surrounding the cylindrical portion (2) of the rudder shaft (1) and an internally cylindrical portion (7) for sliding, mating arrangement around the cylindrical portion (4) of the flange part (3) of the rudder shaft. The rudder element (6) also includes a conical opening (21) for mating attachment to the conical portion of the conical portion (5) of the rudder shaft (1). It is provided channels for applying hydraulic pressure between the expanded flange part (3) of the flange element, and means (10) for tightening the flange element (8) to the rudder element (6). Furthermore the invention comprises a rudder shaft (1) for a ship rudder, a ship rudder with a conical opening, and a method for disassembly of a ship rudder from a rudder shaft (1).
F16D 1/092 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hubCouplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces the pair of conical mating surfaces being provided on the coupled hub and shaft
66.
SYSTEM FOR FIXING A PROPELLER NOZZLE TO A STRUCTURE THAT FORMS A VESSEL OR A PART OF A VESSEL
The present invention concerns a system for attaching a propeller nozzle (4) to a structure (5) including a vessel or a part of a vessel. The nozzle (4) surrounds a propeller that is supported in the structure (5). The system includes at least one first attachment point (2) for attaching the nozzle to the structure substantially for taking up pressure forces, at least one second attachment point (3') for attaching the nozzle (4) to the structure (5) for accommodating forces in tension, and at least one strut (1) attached in at least one strut attachment point (1') on the nozzle (4), for accommodating forces in tension, extending between nozzle (4) and the structure (5).
B63H 5/14 - Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purposes
67.
METHOD FOR REAL TIME MEASUREMENT OF MASS FLOW RATE OF BULK SOLIDS
Method for real time measurement of mass flow rate of bulk solids, in where said bulk solids are loaded, or unloaded, by a pneumatic transport system, comprising the following steps: arranging at least two pressure gauges (P1, P2) in a pipe section of the transport system, as measuring devices; measuring pressure drop ﶴP between said pressure gauges as the gas-solids flow of air and bulk solids takes place; calculating suspension density psus of the flowing mixture of air and bulk solids; and wherein the bulk solids mass flow rate Ms at a given location over a given length of a pipeline is estimated, by at least said suspension density psus of the flowing mixture.
G01F 1/88 - Indirect mass flowmeters, e.g. measuring volume flow and density, temperature, or pressure with differential-pressure measurement to determine the volume flow
G01F 1/34 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
G01F 1/76 - Devices for measuring mass flow of a fluid or a fluent solid material
A device for a shark jaw (10) onboard a vessel is described, where the shark jaw is arranged to secure an anchor line, a cable, a chain or the like, characterised in that the shark jaw comprises measuring equipment in the form of one or more load readers (16) arranged to one or more sides of the shark jaw to read strains which arise during load effects in said anchor line, cable, chain or the like.
A system is described for handling a wire, a chain, a cable, etc. (12) onboard a vessel, comprising a number of winches (10) to pull in and let out said wire, chain, etc. (12), and also a number of tow pins (14) and shark jaws (16), mounted in an area at the stern of the vessel, and which is arranged to guide and/or to hold said wire, chain, etc. (12) that runs from or to said winches (10). The system further comprises at least one centring device (18) arranged between said tow pins (14) and shark jaws (16) and winches (10), preferably adjoining said tow pins (14) and shark jaws (16), where the centring device (18) comprises at least two guiding plates (20) that can be raised and lowered and which are arranged to guide and possibly to hold said wire, chain, etc. (12).
The invention relates to a crane (10) for handling of chains, wires, shackles, messengers, etc., onboard a vessel, where one or more cranes (10) is arranged on or adjoining the deck of the vessel, and where each crane comprises a base part (12) with an associated main jib (14) that is arranged to be driven by a number of pressure cylinders (26). At least two rotary work jibs (16,18) arranged to be driven separately by associated pressure cylinders (28,30) are arranged to the outwardly extending end (15) of the main jib (14), and tools (34,22,24) are arranged to the outwardly extending ends (17,19) of said work jibs (16,18), for the mutual handling of said chains, wires, shackles, messengers, etc.
patents
