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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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JP2021160664A |
To properly return power storage amount while protecting a lithium-ion battery.A line L2 is a line for supplying power generated by a generator 24 to charge a drive battery 39 that is a lithium-ion battery, and for supplying it to a main...
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JP2021160665A |
To ensure power for starting an engine with a high priority.A main battery 38, a drive battery 39, and a house battery 36 can be charged by a generator 24. If the voltage mainV of the main battery 38
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JP2021154881A |
To easily and surely adjust variation in neutral positions in shift mechanisms on various outboard motors.A shift mechanism 48 composing an outboard motor 10 includes: an electrically-driven type actuator 74 for having a movable rod 78 c...
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JP6940368B2 |
A clutch assembly is provided with: a clutch case which rotates integrally with a first rotating shaft; a plurality of outer plates held by the clutch case; a clutch hub which rotates integrally with a second rotating shaft; a plurality ...
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JP2021146755A |
To smoothly switch a drive source in a ship propulsion machine equipped with a plurality of drive sources.In a control system for an outboard motor 12 of a ship 10, a shift slider 21 transmits driving force of an electric motor 17 to a p...
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JP6939122B2 |
To reduce load to a power source and a power transmission mechanism when changing shift by having a vessel speed sensor and a propeller rotational speed sensor unnecessary.A controller 102 of a control device 100 of an outboard engine sw...
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JP6937249B2 |
To provide a control system of a hydraulic clutch which can suppress an abrupt variation of transmission torque even if clutch operation hydraulic pressure reaches an overload state.A control system of a hydraulic clutch comprises: hydra...
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JP2021139360A |
To provide a propellant machine that can be used as a propellant machine for transportation means, and utilizes centrifugal force.A rotary shaft 2 installed on a frame 1 couples a motor 3 for motive power and a first link 4 to each other...
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JP2021130376A |
To improve the merchantability of a ship propulsion system.This ship propulsion system comprises: a ship propulsion device; a battery; and a controller. The ship propulsion device includes a propeller shaft, an engine, and an electric mo...
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JP2021109641A |
To provide an icebreaker propeller having a function of vertically moving a hull for assisting crushed ices.Dynamic spaces 23 are provided at left and right symmetrical positions in a hull 21, upper spaces 35 are provided at left and rig...
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JP6895360B2 |
To provide a vibrationproof bush for an outboard engine having versatility within a range in which a shaft having a fixed specification is used in common.A vibrationproof bush 1 interposed between a shaft 61 and a propeller 71 of an outb...
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JP6887584B1 |
An air control unit used in the stern pipe sealing device, which is provided with two systems, a regular line and a spare line, as a line for adjusting the air flow rate supplied from the air source to the air chamber of the stern pipe s...
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JP2021062693A |
To provide a ship capable of reducing a manufacturing cost for the configuration to support a drive shaft which transmits a driving force of an engine to a propeller.A ship 1 includes a hull 2, an engine, a propeller, a drive shaft 17, a...
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JP6856915B2 |
A hull propulsion mechanism (1) comprises a ship body (2); a wind blade (3), which is set to the top of the ship body (2) and has a plurality of sails (3a) for obtaining a rotating force from wind blade (3); a shaft (4), which sustains t...
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JP6856209B2 |
To provide an underwater propulsion device which achieves downsizing and reduction of weight and costs, and to provide an underwater probe device.An underwater propulsion device 1 is attached to a body part of an underwater probe device,...
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JP6840667B2 |
A protective device for a stern tube seal of a propeller-driven vessel, wherein an intermediate space is left open between a stern tube and a propeller hub, which intermediate space is covered by a tubular protective cover concentric wit...
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JP6838732B2 |
To control switching action between forward first speed and forward second speed and neutral braking action in a simple oil passage composition in a deceleration reversal device composing forward output in forward two speed type.A decele...
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JP2021030819A |
To provide an outboard engine and a ship capable of avoiding submergence at the time of tilt-up while suppressing the weight increase of the outboard engine.This outboard engine 100 comprises an engine E, a drive shaft 3 to transmit the ...
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JP2021020662A |
To provide a floatation device which suppresses water quality eutrophication due to inflow of domestic and industrial waste water, fertilizer for agriculture and excreta of stock-breeding on a water area such as lake, pond and swamp.A fl...
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JP2021011180A |
To improve abrasion resistance in a gear used for transmission of rotation from a drive shaft in an outboard engine.A first clutch couples a second drive shaft to a first drive shaft when a shift member is in a first position. A second c...
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JP2021011202A |
To provide a propulsion system capable of reducing fuel consumption in low speed navigation, etc, by being capable of stopping an engine directly driving some propulsion devices among a plurality of propulsion devices while maintaining s...
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JP6814347B2 |
To provide a litter process device for a small sized river channel and river bed with a simple structure, convenient operation and maintenance, capable of recovering litter in the channel inside at high speed, capable of sorting the rive...
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JP6777913B2 |
An underwater propulsion device 1 according to one embodiment of the present invention provides a propulsion force to a body 131 of an underwater exploration apparatus 130, and is provided with: a propeller 10 that has a cylindrical prop...
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JP6752361B2 |
The boss of a front propeller (2a) is fixed to a propeller shaft (5), and the boss of a rear propeller (2b) is supported by the propeller shaft (5) so as to be freely rotatable about the axis (Z-Z) of the propeller shaft (5). A reversal ...
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JP6734967B1 |
To provide a refueling structure of a wet multi-plate clutch capable of easily assembling the entire clutch portion. The oil supply structure of a wet multi-plate clutch has a first axis in which a first oil passage through which oil sup...
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JP6712128B2 |
A marine reduction gear makes it possible to reduce the installation space of an electrical rotating machine. A marine reduction gear includes: an input shaft coupled to an output shaft of an engine; an output shaft coupled to a propelle...
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JP2020514177A |
A first drive member of a watercraft transmission assembly adapted to be operatively connected to an engine, a second drive member that is operatively engaged with a first drive member, and a second. A third drive member that is operativ...
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JP6695340B2 |
A sealing system for sealing a shaft located under water includes a bush mountable on the shaft and fixed to the shaft, a housing fixed with respect to the bush and surrounding a first portion of the bush, a lubricant chamber and an air ...
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JP2020066322A |
To provide a marine reducer for suppressing a load to be imposed on a neutral brake when a vessel is moving in a neutral state.A marine reducer 14 includes a changeover unit 40, a neutral brake 50, and a neutral brake operation unit 65. ...
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JP6681558B2 |
To provide a reverse and reduction gear which can be steplessly decelerated.A reverse and reduction gear 11 changes power of a main engine (engine) 10 mounted on a hull into forward, neutral or reverse output and transmits the same to a ...
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JP2020040611A |
To provide a simple hybrid system for a ship propulsion.A drive transmission shaft 23 is rotated by one or both driving forces of an engine 5 and a motor 6 in a hybrid system 1 to drive a propeller 2. A marine gear 12 decelerates rotatio...
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JP6660512B1 |
To stably switch from motor propulsion to hybrid propulsion by smoothly increasing propeller rotation with a small motor 20. A hybrid propulsion vessel 1 has a main engine 5, a motor 20, a slip clutch 7, and a propeller. The rotation spe...
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JP6663213B2 |
To provide a power transmission for a ship capable of enhancing a space efficiency in a ship.A power transmission 1 comprises: an input shaft 20 to which rotation power is input from a main engine 2; a propulsion output shaft 30 for outp...
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JP2020029185A |
To provide a hybrid-type ship propulsion machine that can be reduced in impact and sound during power switching.A hybrid-type ship propulsion machine 1 includes a first transmission path 9 that transmits power of an engine 8 to a propell...
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JP2020019438A |
To solve inconvenience in a case of clutch connection torque becoming small when hydraulic pressure toward a hydraulic clutch is low due to low hydraulic fluid in a hydraulic pump in a low revolution range of an engine.A marine gear devi...
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JP2020019321A |
To aim at a noise reduction on a deck of a jet propulsion boat.A jet propulsion machine is mounted on a hull and connected to a drive shaft. A bearing rotatably supports the drive shaft. A bulkhead is arranged under the deck in the hull ...
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JP6633318B2 |
To provide a novel azimuth propeller.An azimuth propeller comprises: a drive rotation shaft for driving a propeller; and at least one thrust bearing mechanism and at least one radial bearing mechanism for supporting the drive rotation sh...
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JP6606513B2 |
It is an object to provide a bearing material having excellent wear resistance and sliding characteristics for a water lubrication type bearing. A water lubrication type bearing material of the present invention contains 12 wt.% to 25 wt...
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JP6606607B2 |
A propeller drive assembly includes a driveshaft for transferring a torque between an engine and a propeller of a water surface vessel, and a housing enclosing the driveshaft. The assembly includes, separately from the driveshaft, a firs...
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JP6605038B2 |
The present disclosure discusses a method of and an arrangement for the lubrication of a controllable pitch propeller of a marine vessel. The lubrication is based on continuous lubricant circulation from the hydraulic powerpack to the hu...
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JP2019188866A |
To provide an outboard engine capable of preventing foreign objects from the outside from reaching functional components connected to a lower part of a crankshaft.An outboard engine 100 comprises an engine 1, a crankshaft 2 extending dow...
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JP2019529204A |
The patent application discloses a rotating floating platform that houses an energy generation system (ie, but not limited to solar panels). The developed technology results in rotational movement of the entire platform on the plane of t...
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JP6589155B2 |
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JP6590414B2 |
The invention relates to a pod propulsion device including a motor casing (3) and a strut (2), which strut (2) is connected at a lower part thereof to the motor casing (3) and is arranged to be connected at an upper part thereof to a hul...
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JP2019151214A |
To provide an outboard motor and a damper member for a propeller unit capable of suppressing an increase in replacement frequency of the damper member by suppressing an increase in consumed amount of bushing.An outboard motor 100 include...
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JP2019138461A |
To provide a seal ring formed by a lip seal having a mechanical joint which achieves excellent assemblability and high connection strength.A lip seal for a seal ring is fixed to an annular housing and brought into slidable contact with a...
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