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JP2024013472A |
An object of the present invention is to provide a hybrid marine vessel propulsion device that can select from three patterns: only an engine, only an electric motor, or both an engine and an electric motor as a power source for propulsi...
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JP2024012126A |
An object of the present invention is to provide an electric sail drive capable of realizing cooling of an electric motor with a simple configuration and driving the electric motor with stable output for a long time, and a ship equipped ...
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JP2024004740A |
An object of the present invention is to provide a hybrid speed reducer/reverse gear that reduces driving noise of a hydraulic pump and an electric motor during low-speed navigation. [Solution] A reduction/reversing device 18 includes an...
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JP7369438B2 |
To provide a reduction reverser preventing a failure leading to damage or seizure by having a normal/reversal mechanism be in a slip engagement state by attempting to immediately switch to a power cut-off state when an action detection m...
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JP7369439B2 |
To optimize clutch connection control of a forward and reverse rotation mechanism 17 to clutches 15 and 16.A reduction and reverse gear 9 comprises: the forward and reverse rotation mechanism 17 by which rotational power of a main engine...
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JP7368008B2 |
Propulsion device with outboard waterjet for marine vehicles, which comprises a nacelle (2) which at its interior houses a propeller (3) constituted by a pump (11) actuatable for generating a flow of fluid through the nacelle (2) accordi...
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JP7365951B2 |
To smoothly carry out operation changeover to increase the number of engines without lowering speed of a vessel in a multiple machine uniaxial vessel propulsion system.A multiple machine uniaxial vessel propulsion system 1 includes: a pr...
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JP7359420B2 |
To provide a speed reduction and reverse gear 18 that transmits power of at least either of an engine 16 and a power generation motor 30 mounted on a ship 1 to a propeller 5 through a forward reverse mechanism 25, in which the speed redu...
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JP7359419B2 |
To provide a speed reduction and reverse gear 18 that transmits power of at least either of an engine 16 and a power generation motor 30 mounted on a ship 1 to a propeller 5 through a forward reverse mechanism 25, in which the speed redu...
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JP2023541381A |
The present invention relates to an energy supply system for a watercraft having a main energy converter configured for connection with the electrical system of the watercraft. According to the invention, a main energy converter is conne...
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JP2023131477A |
To provide a hydrogen production ship moored on the seabed by only mooring cable.A hydrogen production ship comprises a water turbine type propeller 2 driven by surface ocean current, a power generator driven by this water turbine type p...
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JP7343940B2 |
Provided is a bearing for supporting the propulsion shaft of a ship, with which it is possible to form a water coating with excellent lubricating characteristics on a sliding surface between the bearing and the propulsion shaft, and whic...
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JP7343252B2 |
The present invention relates to a propulsion and braking system using a clutch, the system comprising: a device that has, embedded therein, a clutch operation pressure-regulating valve, and a clutch and gears for controlling a driven bo...
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JP2023098971A |
To provide a bearing device which combines some of the advantages of hydrostatic and hydrodynamic bearing devices.The invention relates to a bearing device 10 comprising: a first surface and a second surface which are moveable relative t...
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JP7292827B2 |
To improve maintainability of a propulsion device for a vessel.A propulsion device for a vessel of one embodiment includes: a main shaft for transmitting rotational driving force to a rotary vane, a stern tube sealing device provided in ...
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JP7288746B2 |
Provided is an exhaust gas purification device which is provided in an exhaust passage of an engine installed in an engine room located within a hull and configured to remove at least nitrogen oxides from an exhaust gas discharged from t...
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JP7263158B2 |
A ship body control device (10) is provided, which includes a rudder controller (60) configured to control a rudder angle of a ship (1), a sensor (40) configured to measure a ship body direction of the ship, and an autopilot controller (...
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JP2023054607A |
To suppress transmission of power from a propeller shaft to a propeller in a path not going through a damper in a vessel propulsion device.A vessel propulsion device includes a propeller, a propeller shaft, a bush, a damper, and a spacer...
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JP2023041476A |
To provide a seal structure configured separately by a seal to prevent oil spillage and by a seal to prevent the seawater from entering, and to provide a ship propulsion unit with the seal structure.A seal structure 20 is attached to a d...
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JP2023040320A |
To provide a power transmission mechanism capable of more easily suppressing inflow of liquid into a drive unit.A power transmission mechanism 1 utilized in sea water 2 includes: a drive unit 10 for generating power; a container 20 stori...
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JP2023020370A |
To facilitate corresponding with various specifications of a drive shaft, and to simplify manufacturing processes, for an outboard engine.An outboard engine comprises a drive source, a drive shaft, a propeller shaft, a first case, a seco...
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JP7219350B2 |
The invention relates to a marine meachanical seal arrangement comprising a first mechanical seal (2) comprising a first rotating slide ring (21) and a second stationary slide ring (22) defining a first sealing gap (23) between their two...
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JP2023011152A |
To provide a control method of a ship, a ship control program, a ship control system, and a ship, which can reduce a load applied to a clutch when switching a propulsion mode.A ship is equipped with a plurality of power sources 31, 32 in...
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JP2023011153A |
To provide a control method of a ship, a ship control program, a ship control system, and a ship, which can improve operability in switching a propulsion mode.A ship is equipped with a plurality of power sources 31, 32 including a first ...
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JP2023009596A |
To provide a bearing device that has a simple structure and can suppress excessive temperature rise.A bearing device 1 includes: a housing 2 through which a rotation shaft 3 is inserted; and a bearing member 4 disposed between the housin...
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JP2023002211A |
To provide a propeller obtaining both of rattle sound suppression and shift shock suppression and a vessel propeller including the same.A propeller 22 includes a bush 41, a propeller body 42, and a propeller damper 45. The bush 41 includ...
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JP2022191904A |
To reduce economic load of maintenance by suppressing early deterioration, damage, or function deterioration in a part having shock absorption function such as a damper.A propeller unit 21 includes: a propeller 22; a cylindrical member 3...
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JP2022181469A |
To make it possible to detach a seal liner from a propeller shaft in a state with the propeller shaft left as it is in a bow side sealing structure of a stern tube provided on a vessel.A bow side seal structure 10 of a stern tube 5 provi...
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JP2022179145A |
To provide a ship propulsion control system that suppresses a ship from passing a target position.A ship propulsion control system 15 of a ship comprises a BCU 16 to control multiple outboard engines 12. Each outboard engine 12 has an en...
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JP7171684B2 |
A marine vessel maneuvering system includes a controller configured or programmed to perform a shift-out start control to control a shift actuator to immediately start an intermittent operation mode from a shift-out state when an intermi...
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JP2022158217A |
To provide a marine double inversion propeller device capable of stopping a seal drain recovery path at an optimum position and a vessel provided with the same.A marine double inversion propeller device 100 comprises: an outer shaft 12; ...
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JP2022158220A |
To provide a thrust gap measurement device and a thrust gap measurement method capable of measuring a thrust gap while the vessel is in operation without opening a marine double inversion propeller device, and a vessel.A marine double in...
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JP7142519B2 |
To provide a power transmission device for a vessel capable of having a power conversion equipment unnecessary when having an SGM intervene between a main engine and a propulsion mechanism.A power transmission device for a vessel is a po...
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JP7125842B2 |
According to one aspect of the present disclosure, a floating vessel, particularly an LNG carrier, is described. The floating vessel comprises: a gas turbine engine-generator assembly configured to generate a first electrical power and t...
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JP2022123853A |
To provide a method for processing exhaust from an engine which is beneficial from a viewpoint of noise control, a viewpoint of design, and/or a viewpoint of installation.A vessel propulsion unit (200) is provided. The propulsion unit in...
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JP2022096968A |
To provide a ship propeller capable of driving a propeller shaft by either one or both of an engine and an electric motor, while enabling coupling even in a state that there is a little rotational difference between input and output of a...
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JP7090702B2 |
An electric motor driving system for ship propulsion of one embodiment comprises an inverter and a control unit. The inverter supplies power to an electric motor which is a first power source that supplies a portion or all of the propuls...
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JP2022089231A |
To inhibit complication of a structure of a gear case and introduce a lubrication oil into an outboard engine easily and quickly.An outboard engine 1 includes: a drive shaft 9 which rotates in response to rotation of a driving shaft; a p...
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JP7075988B2 |
A dual fuel engine (3) capable of using a gas engine and a diesel engine as main fuel engines, wherein the dual fuel engine (3) comprises a first propulsion device (5A) connected to and driven by one (3A) of the engines via a first clutc...
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JP7074646B2 |
To improve redundancy in a main engine in a vessel.A vessel 1A includes: a hull 2; a main engine 3; an output shaft 34; a propeller 42; a propeller driving shaft 4; a motor 5; and a shaft connection/disconnection unit 7. The main engine ...
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JP2022524057A |
The marine outboard motor of the present invention has chambers 52, 53 and at least one inlet 45, 47 arranged to be submerged during use in the water area where the marine outboard motor operates to draw water into the chamber. An engine...
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JP7060491B2 |
To make it possible to perform torque assistance with appropriate consideration on individual difference between vessels in a simple work.A propeller of a vessel is driven by an engine 5 without torque assistance when acceleration of the...
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JP7055862B2 |
A hybrid electrical and mechanical ship propulsion and electric power system, includes a first mechanical power plant (58, 60) configured to drive a first propeller (61) via a first shaft (59). There is a second electrical power plant (2...
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JP7048634B2 |
The present invention relates to a ship power generation system and method, which increase power generation capacity such that a ship designed as an LNG carrier can be modified into a ship usable as an FSRU. According to one embodiment o...
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JP7045107B2 |
To provide a propeller power measuring system capable of measuring propeller power with a desired high accuracy even when the revolution of a propeller is at a relatively low speed, and a stern tube for the propeller power measuring syst...
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JP7026068B2 |
The present invention is provided with: a forward/backward propulsion switching operation detection unit (51A) that detects a forward/backward propulsion switching operation for switching the propulsion direction of a ship hull between f...
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JP7026070B2 |
The present invention is provided with: a device actuation start operation detection unit (51C) that detects an actuation start operation of an in-vessel device; and a load surge determination unit (52) that determines, on the basis of t...
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JP2021170887A |
To provide an outboard motor capable of efficiently charging even when power from a generator is supplied to a plurality of battery units, a method for controlling the same, and a marine vessel.An outboard motor 1 includes an engine 11, ...
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JP6947686B2 |
A ship propulsion system 11 comprises a first power transmission device 22 that transmits power from an internal combustion engine 20 to a propeller 21, a second power transmission device 32 that transmits power from an electric motor 30...
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JP2021160663A |
To reproduce an operation state prior to resetting when returning from resetting.A control system of a ship propeller includes: a first retention part 40a which retains instantaneous interruption information for distinguishing whether a ...
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