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WO/1993/000259A1 |
An apparatus or device for use as a marine transmission comprised of a pair of unidirectional couplings (22, 42) of the hyperboloidal type wherein the engagement or disengagement of said couplings provide forward, reverse, and neutral st...
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WO/1992/022459A1 |
a low-aspect ratio propeller system is provided with a multiple ring structure (42) formed with a plurality of circular or non-circular, annular, narrow equivalent air foil rings (56.1, 56.2, 56.3, 56.4) which are held by rails (40) in a...
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WO/1992/020574A1 |
The invention relates to an outboard boat propeller drive unit with an anti-cavitation plate (6) above the propeller or propellers (4, 5). Through the anti-cavitation plate there extends an exhaust duct (7) with its outlet port (11) loca...
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WO/1992/012048A1 |
A device for producing thrust from an accelerated fluid flow comprises fluid acceleration means with drive blades (5) rotating in a stator (10) about an axis of rotation, a stationary shroud (7) centered on the axis and comprising a plur...
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WO/1992/009476A1 |
The invention concerns a device for setting the propulsion means (22) of watercraft in an arbitrary angular position within the perimeters of an imaginary conical configuration (k) with one end of the propulsion means (22) attached to th...
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WO/1992/009475A1 |
An arrangement in a steering and propulsion system for a planing type motorboat (10), which boat is provided with means (16, 18, 19) for adjusting the trim position. The steering characteristics of the boat are improved by providing the ...
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WO/1992/003335A1 |
A propeller system for an outboard motor, comprising a revised propeller (9), a symmetrical Kort accelerating nozzle (6), and re-routed exhaust passages (B), (C), is described. This system permits modification of a standard outboard moto...
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WO/1991/019643A1 |
An outdrive system (12) for watercraft includes use of plastic or other relatively flexible material, e.g., compared to metal, especially as a housing material, and techniques which enable and/or at least facilitate use of such housing m...
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WO/1991/019644A1 |
An arrangement in a swingable turn-up inboard/outboard stern aggregate (1) for craft with an inboard engine and an outboard driving means (2) comprising a screw (5), where the inboard driving shaft (3) of the stern aggregate (1) for conn...
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WO/1990/006883A1 |
An apparatus (11) for automatically raising and lowering boat motors (17) includes a mounting configuration (21) that allows the motor to move up out of the water and down into the water. A hydrofoil (23) is connected with the motor. Whe...
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WO/1990/006256A1 |
A marine propulsion drive apparatus, generally referred to as a boat or vessel drive, for an inboard engine and of the type in which the input drive shaft (18) with the propeller shaft (20) extends through the stern (1) of the boat, and ...
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WO/1990/006255A1 |
A marine propulsion drive apparatus, generally referred to as a boat or vessel drive, for an inboard engine and of the type in which the input drive shaft (18) with the propeller shaft (20) extends through the stern (1) of the boat, and ...
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WO/1990/005838A1 |
A marine drive includes an engine (5) mounted inboard of a boat (3). An oil pan (7) is suspended beneath the engine, and is connectable through a flexible tube (15) to a collapsible shape-conforming oil-receiving and storage bladder (10)...
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WO/1990/003916A1 |
An apparatus (50, 66, 68) and method for cooling exhaust in an outboard marine propulsion system provides engine cooling water to the exhaust prior to its discharge into an exhaust cavity (40) formed in the upper portion of a depending d...
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WO/1990/000672A1 |
A marine propulsion system (200) having an outboard two cycle internal combustion engine (212) has a modified oil-fuel mixer (2, 602) preventing excess oil in the mixture as fuel runs out. The modified mixer includes an auxiliary chamber...
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WO/1990/000494A1 |
A system for controlling the movement of hydraulic fluid through the fluid containing chambers of a hydraulic cylinder (26) operatively connected between a marine vessel (14) and its outboard drive unit (10) includes valves (40, 42) disp...
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WO/1989/009163A1 |
A marine drive (2) having a lower gearcase (4) with a torpedo housing (10) having an internal lubricant-containing cavity (26) has a removable drain plug (50) and drain plug hole (52) at a location away from the exterior hydrodynamic sur...
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WO/1989/008044A1 |
A marine drive unit (1) includes a lower gear case (8) forming a torpedo housing (9). A pair of coaxial propeller shafts (21, 25) are rotatably mounted in the housing and carry a pair of propellers (10, 11) thereon. The propeller shafts ...
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WO/1989/008045A1 |
A marine stern drive for a boat (3) includes a propeller assembly (36) having a carrier (13) for a pair of centric drive shafts (12, 19) to which are mounted a pair of closely adjacent fore and aft coaxial surface piercing propellers (21...
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WO/1989/008050A1 |
A marine drive unit (1) includes a lower torpedo housing (9). At least one propeller shaft (21) is mounted in the housing for rotation about a drive axis (17). The propeller shaft is driven by a driving gear (16) suitably connected to a ...
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WO/1989/008049A1 |
A marine stern drive unit (1) includes an assemblage of a propeller-carrying drive shaft housing (10), a bell housing (9) and gimbal housing (8). Mating flow-through passages (21, 23) are disposed in the drive shaft housing and bell hous...
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WO/1989/005262A1 |
A combined rudder and propeller arrangement for propelling, steering and maneuvring ships and other water craft. The arrangement includes a rudder (1) which is rotatable relative to the ship about a vertical rotational axis. Built togeth...
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WO/1989/005261A2 |
A marine trolling propulsion system (2) has a lower submerged housing (4) including an electric motor (5) driving a propeller (6) through a reducing traction drive provided by rolling contact of three balls (57-59) between split inner ra...
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WO/1989/003341A1 |
The proposed propulsor comprises, a main engine, a fixed tubular part (A3, A5, A7), a main transmission (AD4, AD1, BD1, BD2) which ends with a substantially vertical shaft (BD3) which operates a bevel gear pair (BD12-BD13) on the substan...
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WO/1989/000945A1 |
A marine hydraulic system for operation of a power steering assembly includes a pressure accumulator (20) to provide pressurized hydraulic fluid and valving (60) that permits the transfer of hydraulic fluid within the cylinder (14) to pr...
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WO/1988/008072A1 |
A marine engine exhaust assembly (7) is provided with water flow path control means which minimize back pressure. Lower intermediate elbow portions (8) and the respective bullhorn upper legs (12) are formed and joined in a manner to prov...
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WO/1988/007629A1 |
A spark ignition interrupt system is provided for a marine propulsion internal combustion engine to reduce engine speed and facilitate shifting of a marine propulsion transmission. Spark ignition is terminated in response to a given shif...
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WO/1988/005123A1 |
A marine propulsion auxiliary cooling system is provided by an electric auxiliary water pump pumping sea water to cool the engine and/or fuel line after turn off of the engine to prevent vaporization of the fuel, or in response to anothe...
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WO/1987/005274A1 |
A device in an inboard/outboard turnable and raisable rear aggregate (1) for boats having an inboard engine and an outboard drive unit (2), comprising a screw (5), with inboard drive shaft (3) of rear aggregate (1) for connection with th...
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WO/1986/001483A1 |
A propeller drive with contra rotating propellers (3 to 6) where the shafts (13) of the outer propellers are supported by bearings inside the hollow shafts (14) of the inner propellers. The number of the propellers is at least four arran...
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WO/1984/003077A1 |
A jet propelled boat (10) whose propulsion unit is very compact vertically and in which entrance of the water into the exhaust system is effectively prevented. The jet propulsion unit includes an engine (42) having a vertical output shaf...
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WO/1983/000353A1 |
A locking device intended to be mounted on a fuel pipe nipple (15), which is provided with bayonet locking pins, so as to make it impossible to connect a fuel hose coupling to an outboard motor on a boat. The locking device comprises an ...
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WO/1982/002526A1 |
Device for mounting a propulsing unit (12) on a floating vehicle (13), wherein at least one lifting jack (18) of the propulsing unit is connected to the floating vehicle and to the propulsing unit by connection means comprising at least ...
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WO/1981/000547A1 |
A hydraulic system for trimming a marine outboard drive (49), and wherein a single actuator (11) for moving the propulsion unit (49) is used for both trim and tilt. The actuator (11) is connected to a hydraulic pump (3). An amplifier (5)...
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JP2024060162A |
An object of the present invention is to provide a marine vessel propulsion system and a marine vessel that can appropriately control the behavior of a marine vessel by putting a plurality of propulsion units in a steering state differen...
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JP2024059319A |
[Problem] When the engine is running, the fuel in the temporary storage tank evaporates, making it difficult to pump the fuel from the fuel tank to the temporary storage tank, resulting in insufficient supply of fuel to the temporary sto...
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JP2024057351A |
An object of the present invention is to provide a ship maneuvering system capable of suppressing water behind the ship from entering the ship when the ship decelerates. [Solution] In this ship maneuvering system 100, when the ship 10 is...
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JP2024057350A |
An object of the present invention is to provide a ship propulsion system that can suppress the attitude of a ship from becoming unstable when the ship overcomes waves approaching the ship without reducing the speed of the ship. [Solutio...
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JP7472716B2 |
A boat propulsion machine includes a power source, a drive shaft, a propeller, a gear mechanism, a gear case, a tank configured to store a cooling liquid for cooling the power source, a heat sink configured to cool the cooling liquid, a ...
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JP2024054727A |
An object of the present invention is to provide a configuration of a marine propulsion device that can reduce the amount of white smoke when starting an engine. A marine propulsion device 1 includes an engine 14, a crankshaft 22, an inc...
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JP2024054728A |
An object of the present invention is to provide a configuration for fixing a circulator to a case in a marine propulsion device. A marine propulsion device includes a first gear, a second gear, a third gear, a circulator, a case, and a ...
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JP7467796B2 |
A hydraulic trim device is provided for a boat motor with at least one trimming cylinder, a piston rod movable axially in the trimming cylinder between a first end position and a second end position, a trimming plate and a hydraulic unit...
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JP2024050232A |
An object of the present invention is to provide a propeller propulsion device for a ship that can efficiently utilize the driving force of an electric motor regardless of the speed of the ship. A propeller propulsion device includes a f...
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JP2024050121A |
An object of the present invention is to provide a propulsion device for a ship in which a plurality of connection passages can be arranged in a sliding contact portion between an upper case and a lower case while suppressing the increas...
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JP2024049740A |
[Problem] An object of the present invention is to provide an electric propulsion unit that can switch an electric vehicle between forward and backward movement with a simple operation, thereby contributing to improved energy efficiency....
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JP2024046305A |
[Problem] To obtain a large steering angle while suppressing the increase in size of an outboard motor. An outboard motor includes a first housing, a second housing, a propeller shaft, and a steering mechanism. The second housing is supp...
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JP2024046306A |
[Problem] To obtain a large steering angle while suppressing the increase in size of an outboard motor. An outboard motor includes a first housing, a second housing, a propeller shaft, and a steering mechanism. The steering mechanism ste...
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JP7447655B2 |
There is provided a ship propulsion machine that gives a propulsive force to a ship, including: a power source; a propulsion device that converts power of the power source into a propulsive force of the ship; a power transmission mechani...
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JP2024032427A |
An object of the present invention is to reduce the work burden of setting initial setting control parameters and shorten the work time. [Solution] A ship maneuvering system (1) is employed in a ship equipped with left and right propulsi...
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JP2024029971A |
An object of the present invention is to improve the maintainability of a water pump assembly. An outboard motor 100 includes a lower section 120 including a propeller shaft 134 and an upper section 110 including an engine 131. The suppo...
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