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| Number | Title | Issue Date |
| 7874884 | Computer controlled water bypass system for a marine engine A method for controlling a marine engine uses a flow regulating valve in combination with a solenoid operated two position control valve to regulate the flow of cooling water through exhaust system components. Temperatures are measured at the components, such as wit... | 01/25/2011 |
| 7524223 | Outboard motor An outboard motor is provided that is capable of reliably separating water and air sucked in from an intake port and efficiently draining the separated water. The motor can comprise a cowling, a right-side intake port, a left-side intake port, first and second water... | 04/28/2009 |
| 7438787 | Impressed current cathodic protection system for marine engine A cathodic protection system has electrodes disposed in a coolant passage of an engine filled with a conductive coolant. The electrodes are electrically insulated from the engine. A power supply device provides for a protective electric current to form from the elec... | 10/21/2008 |
| 7438613 | Marine engine gravity drain system A marine engine quick drain system that is comprised of several engine block drain connections, provided in the area of the engine that must be drained, which drain by means of flow tubes to a drainage connector, a drainage connector which preferable is mounted on a... | 10/21/2008 |
| 7431809 | Electrode for a cathodic protection device An electrode for a cathodic protection device that has one or more electrode bodies formed of a conductive wire. The electrode includes a pair of films made of an insulating material which are bonded to each other while sandwiching the electrode body therebetween. P... | 10/07/2008 |
| 7370643 | Internal combustion engine having compressed air supply passages therein for routing compressed air to charge injectors A V-type internal combustion engine includes cylinder heads having respective compressed-air supply channels extending therein for providing fluid communication between an air compressor and charge injectors. Formation of condensation in the compressed-air supply ch... | 05/13/2008 |
| 7352073 | Ocean wave energy converter having an improved generator and ballast control The ocean wave energy converter uniquely includes a generator with a rotating inner rotor surrounded by a counter-rotating outer rotor for generating electricity. A reciprocating drive rod drives the inner rotor on the downstroke of the drive rod and the outer rotor... | 04/01/2008 |
| 7351124 | Water-tight drive-penetration compartment A water-tight compartment for containing a penetration point on the hull of an amphibious vehicle, comprising a bottom panel comprising the hull of the amphibious vehicle; a forward panel of the box comprising a forward bulkhead of the amphibious vehicle; a rearward... | 04/01/2008 |
| 7337760 | Engine room in a sealable container A sealable engine containment assembly provides a waterproof environment for an internal combustion engine and ancillary equipment, thus performing a “engine room” in a sealable container. The container includes an air inlet port for passage of air from the cont... | 03/04/2008 |
| 7329162 | Cooling system for a marine propulsion device A cooling system for a marine vessel is configured to allow all cooling water to flow out of the cooling circuit naturally and under the influence of gravity when the marine vessel is removed from the body of water. All conduits of the cooling circuit are sloped dow... | 02/12/2008 |
| 7326093 | Personal watercraft A personal watercraft equipped with an engine cooling system and a cleaning system therefore, including a body 1 including a deck 3 and a hull 2, an engine E accommodated in the interior of the body 1, a cooling system configured to cool ... | 02/05/2008 |
| 7309266 | Personal watercraft winterizing and flush kit A portable pressurized personal watercraft (PWC) flushing and winterization system that gives consumers a simple and convenient PWC marine engine pressurized flush and winterization option. The PWC flushing system generally includes a compression tank with a manual ... | 12/18/2007 |
| 7303037 | Snowmobile four-cycle engine arrangement A snowmobile four-cycle engine arrangement, includes: a four-cycle engine arranged in an engine compartment formed in the front body of a snowmobile with its crankshaft laid substantially parallel to the body width and having a cylinder case inclined forwards with r... | 12/04/2007 |
| 7299783 | Auxiliary control of airflow through an engine enclosure of an outboard motor A marine propulsion device is provided with an air control system that draws air from the region under the cowl of the outboard motor and induces a flow of air out of the region. The air is caused to flow through a second opening formed in the cowl. As a result, air... | 11/27/2007 |
| 7290495 | Personal watercraft A personal watercraft including a body including a hull and a deck covering the hull from above; a water jet pump configured to pressurize and accelerate water sucked from a water intake provided on a bottom surface of the hull and eject the water rearward; an engin... | 11/06/2007 |
| 7278408 | Returnless fuel system module A returnless fuel system module includes a fuel pump in a fuel pump cavity, a fuel pressure regulator in a fuel pressure regulator cavity, first and second transfer passages therebetween, and a heat exchanger integrally formed in the housing in thermally conductive ... | 10/09/2007 |
| 7252568 | Outboard motor An outboard motor comprises a cowling, having a top cowling and a bottom cowling, that cooperate to define an engine compartment. An intake air duct draws outside air into the engine compartment. A water collecting part is arranged in the bottom cowling for accumula... | 08/07/2007 |
| 7247065 | Outboard motor An outboard motor can includes an engine for driving a propulsion device, a cowling for covering the engine, a fresh air intake opening formed in the cowling for drawing fresh air, and an engine compartment defined in the cowling. The outboard motor can have a botto... | 07/24/2007 |
| 7246611 | Blow-by gas ventilation system for engine A blow-by gas ventilation system particularly suited for use with a small watercraft includes a oil separation chamber preferably disposed within a plenum chamber defined by an air intake box. An inlet tube permits blow-by gases to move from the crankcase chamber of... | 07/24/2007 |
| 7241194 | Outboard motor hydraulic mechanism An outboard motor hydraulic mechanism having a hydraulic actuator moving the outboard motor about a rotary shaft relative to a boat the motor is mounted on and a hydraulic pump and a plurality of electric motors connected to the pump. A number of the motors to be op... | 07/10/2007 |
| 7238068 | Boat and outboard motor having air intake system A boat includes an outboard motor having an internal combustion engine enclosed within a cowling. The cowling has a rear inlet port for allowing outside air to be drawn into the cowling. A closure member selectively closes the inlet port depending upon a certain eng... | 07/03/2007 |
| 7238072 | Mounting system for a marine engine A support system for a marine engine provides a plurality of mounts that have primary axes that are aligned in parallel relation with a piston symmetry plane of the engine. These primary axes of the mounts are also aligned with the central axes of the cylinders of t... | 07/03/2007 |
| 7232351 | Personal watercraft A personal watercraft includes a saddle ride type seat provided at a roughly central portion of a watercraft body, an engine mounted on the lower side of the seat and directed in a front-rear direction of the watercraft body, and cylinders provided in the engine are... | 06/19/2007 |
| 7225826 | Marine fuel tank vent valve The present invention relates to a simple fuel vent assembly for use in inboard and outboard fuel tanks for marine vessels. The vent assembly includes upper and lower portions defining an L shaped interior passageway. The lower portion includes upper and lower valve... | 06/05/2007 |
| 7223139 | Outboard motor with plastic oil pan An outboard motor incorporates an engine. An exhaust conduit is disposed below the engine. The exhaust conduit forms a first exhaust passage to discharge exhaust gases from the engine. A plastic lubricant pan (e.g., oil pan) is disposed below the engine to accumulat... | 05/29/2007 |
| 7220154 | Outboard jet drive marine propulsion system An outboard jet drive marine system for a boat includes a housing, the housing has front and rear sides, and a top and bottom. The housing is adapted to be affixed behind a hull of a boat. An engine is disposed within the housing. A jet drive unit is releasably moun... | 05/22/2007 |
| 7214113 | Steering handle for outboard motor A steering handle assembly for an outboard motor has a low speed control switch with at least one lead wire that is not twisted during control of the watercraft. The low speed control switch provides precise control of the engine speed of the outboard motor. The ste... | 05/08/2007 |
| 7214112 | Amphibious vehicle An amphibious vehicle has a power train including an engine having an oil sump connected to a lower portion of the engine an in-line transmission and a power take off. The power take off is located between the engine and the transmission thereby separating the engin... | 05/08/2007 |
| 7204331 | Snowmobile four-cycle engine arrangement A snowmobile four-cycle engine arrangement, includes: a four-cycle engine arranged in an engine compartment formed in the front body of a snowmobile with its crankshaft laid substantially parallel to the body width and having a cylinder case inclined forwards with r... | 04/17/2007 |
| 7201213 | Keel cooler with fluid flow diverter A keel cooler having a standard header with an internal beveled bottom wall, with orifices on the inner wall of the exterior tubes extending into the header, the orifices being in the natural flow path of the coolant flow. The orifices are sufficiently large so as n... | 04/10/2007 |
| 7198127 | Snowmobile four-cycle engine arrangement A snowmobile four-cycle engine arrangement, includes: a four-cycle engine arranged in an engine compartment formed in the front body of a snowmobile with its crankshaft laid substantially parallel to the body width and having a cylinder case inclined forwards with r... | 04/03/2007 |
| 7186156 | Electric propulsion units A propulsion unit for propelling a waterborne vessel includes an electric motor arranged to provide propulsion, and a housing arranged to contain the motor. The interior of the housing is maintained at an increased pressure of above roughly 2 bar to increase the coo... | 03/06/2007 |
| 7182656 | Control system for small watercraft A small watercraft with an emergency shut-off system is provided. The emergency shut-off system is configured to shut off the engine of the small watercraft when the small watercraft is overturned. The emergency shut-off system comprises an electronic control unit t... | 02/27/2007 |
| 7156710 | Exhaust system for small-sized boat An exhaust system for a small-sized boat which can efficiently reduce exhaust noises in a low frequency band includes a water muffler provided at one location along exhaust pipes extending from an engine disposed in a boat body. The inside of the water muffler is di... | 01/02/2007 |
| 7150665 | Apparatus and method for simultaneously flushing multiple outboard boat motors Apparatus for simultaneously flushing multiple outboard boat motors, or for simultaneously flushing a boat motor and hosing down a boat, includes a water flow manifold having a single input conduit, which receives water from a single water source, and communicates t... | 12/19/2006 |
| 7137364 | Cooling system of engine for personal watercraft An open-looped cooling system is disclosed. The cooling system typically includes a cylinder head including a first water jacket through which cooling water flows, a cooling water inlet through which the first water jacket communicates with outside, and a first cool... | 11/21/2006 |
| 7128060 | Device for expanding liquefied gas with separate vaporizing element Arrangement for expanding liquefied gas. The arrangement includes a vaporizing element having a heat exchanger. The heat exchanger has an impermeable enclosure containing a heating fluid and a vaporizing tube made of a heat conducting material through which the liqu... | 10/31/2006 |
| 7128025 | Dual temperature closed loop cooling system A cooling system and method of cooling an engine are disclosed. The cooling system includes a first closed loop that circulates coolant at a first temperature and a second closed loop that circulates coolant at a second temperature that is different than the first t... | 10/31/2006 |
| 7117806 | Personal watercraft A body structure of a water-jet propulsion personal watercraft, comprises a body having an inner space defined by a hull and a deck, an engine mounted within the inner space of the body, a water jet pump placed behind the engine and configured to be driven by the en... | 10/10/2006 |
| 7117850 | Outboard motor An outboard motor comprises an engine disposed inside an outer cover, an intake unit provided for the engine and including a throttle body disposed in a vicinity of a crankcase of the engine and an intake manifold disposed on a side of the engine so as to extend fro... | 10/10/2006 |
