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JP4418488B2 |
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JP2010027213A |
To take out a large capacity of electrical energy and easily obtain optional high voltage with a compact system in a power generation system utilizing salinity difference between fresh water in rivers or the like and salt water in seas o...
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JP2010501402A |
An automatic trim system for a jet propulsion watercraft is provided. Control electronics are in communication with a steering angle sensor to monitor the steering angle of the watercraft, and evaluate a target setting for the trim takin...
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JP2010501397A |
An amphibian for use in land and marine modes comprising: a planing hull; three wheel stations, two of the three wheel stations being front wheel stations provided one on each side of and in the front half of the amphibian, and the third...
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JP4387158B2 |
A drive shaft supporting structure for a watercraft is provided that supports in a substantially watertight manner at least a portion of the driveshaft. The drive shaft extends from an engine, which is disposed within an inner section of...
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JP2009543725A |
The device includes conveying ducts of the fluid (2, 9), a tubular mean (1) with variable internal volume (1'), a tapered onion-shaped body (17) centred (18) inside the tubular mean, a nozzle (16) for the ejection of the fluid adjustable...
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JP4376430B2 |
To reduce the noise following the pressure fluctuation of the water by an impeller. A housing 26 for damping the pressure fluctuation, being approximately coaxial to an impeller housing, having an inner diameter approximately same as tha...
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JP4367946B2 |
A trim adjusting device for a surface boat is provided that includes a nozzle for projecting jet water rearward arranged rearwardly of a jet propeller arranged in a boat body; a nozzle drive mechanism connected to the nozzle for operatin...
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JP4368468B2 |
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JP4368617B2 |
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JP2009262903A |
To provide a boat propelling device and a boat controller easy to be fitted at low cost, usable for a long time, and easy to be operated.Water or seawater is sucked from a through hull 1 provided in the bottom of a boat by pumping by a p...
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JP2009262598A |
To reduce rolling and pitching of a multihull.The antiroll device of the multihull is provided with antiroll water jet devices 5a, 5b respectively directed to the rear side at stern parts of side hulls 3a, 3b of a trimaran 1 comprising a...
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JP2009262767A |
To provide a craft capable of preventing a crank shaft, an intermediate member and a coupling from being moved from each other in the rotational direction and the axial direction between the crank shaft and the intermediate member and be...
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JP4363816B2 |
Disclosed is a leisure vehicle comprising a throttle device. The leisure vehicle comprises an engine; a switch operated when the engine starts; and a throttle device for controlling an engine speed of the engine, and the throttle device ...
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JP4356887B2 |
An exhaust gate valve apparatus of a water jet propulsion-driven watercraft is provided that is capable of positively closing an exhaust port with a valve body when an engine is stationary and widely opening the valve body when the engin...
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JP4357769B2 |
To provide a small-sized planing boat capable of rationally arranging an engine and an exhaust system, easily designing a cylinder head, and capable of improving output. This small planing boat is provided with the four-cycle engine vert...
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JP4349535B2 |
The invention is an operating system for a fuel cell power plant that includes at least one fuel cell for producing electrical energy from a reducing and oxidant fluid and fuel processing components including a reformer and a burner for ...
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JP4346920B2 |
To provide a small planing boat capable of enhancing the actual water proofing property of an electric component, especially its connection coupler, by a simple constitution. A propelling engine E is provided inside a boat body A surroun...
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JP4349729B2 |
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JP4343392B2 |
To provide the intake structure of a small planing boat of simple constitution capable of introducing low temperature intake air. In the intake structure of a serial multi cylinder engine 4, which is installed below a seat 3 in a boat an...
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JP4342040B2 |
In a jet-propelled boat, a nozzle of a jet pump is constructed so as to be rotatable in response to steering by a rider of the boat in order to change a course of the boat. A rudder, that does not project downwards further than a boat bo...
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JP4338122B2 |
To quickly perform braking, backward propulsion and steering in the forwardly propelling state of a boat in the boat for propelling the boat by the reaction of a jet by jetting a water jet backward from a stern. This boat 1 has a propell...
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JP3153511U |
To provide a propulsion device of a high-speed, high-pressure water flow rear discharge type for a large ship. The main components are a propeller that rotates in the same direction as the traveling direction of the ship and efficiently ...
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JP4318409B2 |
To provide an output power shaft structure for a personal watercraft which is superior in durability. A shaft of a propulsion device is connected to a rear end of a crankshaft of an engine, which is carried on a watercraft body such that...
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JP4320918B2 |
To avoid generation of a cavitation phenomenon in a water jet ship without depending on experience and intuition of a steersman. This ship is provided with a steering means for instructing a target rotation number k of a water jet pump, ...
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JP4311560B2 |
The present invention relates to a steering arrangement for ships propelled by water jet, comprising a steering device ( 6 ) that is pivotal about an essentially vertical shaft ( 5 ) having a first center line (C 1 ), at least one hydrau...
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JP2009173281A |
To provide an air-intake device capable of keeping temperature of air sucked to an engine low and preventing moisture from being contained in the air to be sent to the engine.In the small planning boat having an engine 4 and a fuel tank ...
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JP4310147B2 |
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JP2009160963A |
To generate microbubbles in a ship which has a propulsion power generating impeller connected to an engine on a hull and in which cooling water is discharged via a cooling water drain pipe to the outside of the ship after cooling the eng...
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JP4298839B2 |
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JP4301808B2 |
A propulsion system comprises of a flow passage (173) having an intake (175) for communicating with a source of working fluid such as seawater and an outlet (177). A mixing zone (209) is disposed within the flow passage (173) between the...
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JP2009154866A |
To provide an intake system keeping temperature of air sucked into an engine low and preventing water from being contained in air fed to the engine.In a small planing boat with an engine provided inside of a hull, a first suction pipe 26...
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JP4298273B2 |
A personal watercraft and engine therefor are provided. The engine typically is mounted in a personal watercraft and configured to discharge an exhaust gas through a water muffler. The engine typically includes a cylinder head forming a ...
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JP4291241B2 |
A personal watercraft can be rotated in a correct direction of rotation when the personal watercraft has been overturned, and can thereby be restored to a normal, upright position. The personal watercraft includes a vessel body, an engin...
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JP4293416B2 |
An oil separator comprises an oil chamber having a first space on an upper side and a second space on a lower side which communicate with each other. An air-fuel mixture transport pipe is connected to a peripheral portion of the oil cham...
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JP4287339B2 |
To provide a water jet propeller that enables an efficient flow of water from a water flow duct to an impeller housing even if an inner periphery of the impeller housing has an inside diameter smaller than the inside diameter of a rear e...
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JP4287342B2 |
A water jet propulsion watercraft that allows accurate speed detection of a speed detection unit to be achieved. A water jet propulsion watercraft includes a hull bottom plate with left and right guide grooves for guiding water rearwardl...
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JP4282433B2 |
A small jet propulsion watercraft 10 is provided with side wall portions 14 a and 14 b formed on both the left and right sides of a stepping platform 13 , within which water lock devices 36 and 37 are disposed, respectively. The water lo...
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JP4282550B2 |
A watercraft has an exhaust conduit that includes an exhaust gas passage and a cooling water passage. The exhaust gas passage and the cooling water passage are configured to mix together an exhaust gas flow and a cooling water flow at a ...
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JP2009126509A |
To provide a water jet type propulsion system to directly pressurize and jet sea water, etc. by high pressure by combustion of fuel by using the sea water and water existing in the circumference of a marine vessel as a main power transmi...
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JP4275293B2 |
A four-cycle engine includes a cylinder block defining a cylinder bore. A piston is reciprocally disposed within the cylinder bore. A cylinder head member closes an end of the cylinder bore to define a combustion chamber together with th...
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JP4275877B2 |
To provide an article storage structure for a small boat in which the forward visibility of the small boat can be increased substantially and the center of gravity of the small boat can be lowered. The article storage structure for a sma...
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JP4275489B2 |
To improve freedom of layout of a resonator and an exhaust gas system device including the resonator. This draining structure has a bilge pump to drain water in a hull 14, flows cooling water in an exhaust gas pipe of an engine 20 and ha...
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JP4275490B2 |
To make the number of engine revolutions smoothly rise when raising the number of engine revolutions from idling speed. A water muffler 60 has a bilge pump which drains water in a hull, and at the same time, has an exhausting/draining pi...
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JP4278076B2 |
To provide proper air/fuel ratio which is maintainable according to an engine of high water resistance at a low cost, by only using an A/F sensor at operation time of factory shipment, thereafter eliminating the neat for the A/F sensor i...
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JP4273168B1 |
A thrust generating apparatus is provided that can transform a spouting water flow having a small diameter into a water flow having a large diameter, and that can be provided at the bow or the stern end. A bell-shaped nozzle is coupled t...
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JP4272135B2 |
A water jet propeller for preventing an impeller from being exposed when the water jet propeller is disassembled. The water jet propeller includes a stator disposed at a rear-end portion of an impeller housing, and an impeller is dispose...
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JP2009113781A |
To provide a front drive power device for playing a role of the front wheel drive of a four-wheel drive when a hull is compared to a vehicle by providing the front drive power devices on a main propeller at a stern of a hull itself for f...
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JP4269082B2 |
A lubricant filter mounting structure for a internal combustion engine includes a lubricant filter mounting surface and a catch member. The lubricant filter mounting surface is positioned at an angle with respect to a vertical plane, and...
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JP2009107591A |
To suppress vibration and noise by reducing pressure fluctuation in an overlapping region of the front part and the rear part of blades adjacent to each other.A plurality of blades 41, 42 and 43 are formed around a shaft body 50, and an ...
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