Matches 1 - 50 out of 131 1 2 3 >
Match Document Document Title
7597600 Engine for driving a watercraft propelled by a water jet  
A system for driving a water induction and discharge system of a watercraft propelled by a water jet includes a water impeller, an engine including a driven shaft and a first chamber for containing...
7571705 Lubrication device for engine and outboard engine system  
A lubrication device for an engine, includes: an oil pan which is disposed at a lower portion of an engine and stores lubrication oil; an oil pump which is disposed above the oil pan and driven by...
7410398 Engine mounted oil tank  
An oil system for an outboard motor is disclosed. The oil system has a pump disposed in an oil reservoir. The oil reservoir is attached to an engine of the outboard motor. The oil reservoir is...
7377251 V-engine having at least one turbocharger  
The present invention relates to a V-engine ( 1 ) having at least one turbocharger ( 2 ) and at least two cylinders ( 4 ), which is constructed as a diesel engine and as an outboard motor for...
7316992 Method and system for modifying a used hydrocarbon fluid to create a cylinder oil  
A method and system of creating a cylinder oil having a target TBN ranging from 40 to 70 for use in a two-stroke en line. Fresh system oil having a TBN less than 10 is provided. The fresh system...
7290514 Valve train lubricating structure in internal combustion engine  
To prevent a drop in a lubricating oil supply pressure in a valve train from occurring by disposing a lubricating oil supply path for the exclusive use of the valve train without allowing the...
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...
7162985 Two-cylinder V-type OHV engine for outboard motors  
A two-cylinder V-type OHV engine for outboard motors, which allows space saving in the direction of the width of the engine. A starboard side cylinder bank (RB) has a cylinder ( 34 R) and a port...
7140934 Internal combustion engine having an improved oil pan structure for a personal watercraft, and personal watercraft including same  
An internal combustion engine for a personal watercraft, the engine including an oil pan in which a lateral width and vertical width thereof are narrow, in compliance with a shape of the boat...
7128027 Cooling system for an outboard motor  
A cooling system of an outboard motor provides back and forth flow of water from one side of an exhaust passage to the opposite side in order to avoid the creation of stagnant pools of water within...
7118435 Outboard motor  
A system for replenishing a lubricant pan with the lubricant comprises a lubricant tank provided separately from the lubricant pan. A lubricant replenishing pump is provided in the lubricant tank...
7086915 Lubricating structure for outboard motors  
There is provided a lubricating structure for an outboard motor, which can secure a sufficiently large cross-sectional area for a main oil gallery while preventing an increase in the width of an...
7029346 Vertical engine and outboard engine system  
A base member mounted to a side of a cylinder block is formed with an inlet-side oil supply passage for supplying an oil to an oil filter, and an outlet-side oil supply passage for discharging the...
7008279 Drive shaft support structure for marine propulsion machine  
In a drive shaft support structure for a marine propulsion machine, a gear case is provided with a vertical drive shaft receiving, bore and a drive shaft driven by an internal combustion engine is...
6997128 Stand-up type personal watercraft  
A stand-up type personal watercraft comprises a body including a hull and a deck covering the hull from above, the body having a foot deck at a rear portion of the deck, on which an operator rides,...
6955573 Small watercraft  
A small watercraft including an engine mounted in a body such that an axial direction of a crankshaft corresponds with a longitudinal direction of the body, an oil tank provided such that a...
6929519 Outboard motor  
An outboard motor includes an under cover covering a part of an engine, a mount case supporting the engine, and an oil pan provided below the mount case. The under cover has an opening formed at a...
6913498 Marine propulsion system with a polymer composite oil sump structure  
A marine propulsion system is made with an oil sump that is a polymer material that is nonanodic and nonmetallic. As a result, the possibility of a galvanic circuit being created within the...
6868819 Lubricating system for an outboard motor  
A lubricating system for an outboard motor equipped with a vertical type engine. In one embodiment, the lubricating system has an oil pump positioned near the bottom of the engine, the oil pump...
6820584 Oil pressure monitoring system for two-stroke engines  
The present invention provides a system and method to adjust the quantity of oil delivered to the cylinders of an internal combustion engine of an outboard motor. The system includes an oiling...
6796860 Lubricant pump seal for outboard motor  
A lubricant pump seal for an outboard motor is provided. The lubricant pump seal comprises a first sealing body in an upper clearance formed between an upper through hole of a lubricant pump casing...
6755704 Oil tank drain system for watercraft  
An oil drain system and method for draining oil for a personal watercraft that includes an oil reservoir coupled to a flow regulator, located in the interior of the personal watercraft. The flow...
6743063 Dry sump engine for a small planing boat  
A mounting face of an oil pan is provided in the vicinity of the outside of a fastening bolt for fastening un upper case and a lower case of an engine that support a crankshaft when viewed from the...
6726513 Jet-propulsion personal watercraft  
Disclosed is a jet-propulsion personal watercraft capable of easily removing and mounting an engine and easily performing maintenance of the engine mounted in a body of the watercraft. In an engine...
6719598 System for lubricating engine for personal watercraft  
To provide a system for lubricating an engine for a personal watercraft, which is capable of simplifying an oil piping structure. An oil pump driven by a crankshaft of an engine and a relief valve...
6702632 Lubrication system for outboard motor shaft coupling  
A lubrication system is provided that allows delivery, and preferably regulated delivery, of lubricant to a coupling between a crankshaft and the driveshaft of, for example, an outboard motor. The...
6695659 Oil system with replaceable oil filter for two-cycle engines  
An oil system for a two-stroke outboard marine engine is disclosed. The oil system includes an oil system housing having an inlet, an outlet, and an oil return. The housing includes an oil filter...
6695658 Oil tank construction for small watercraft  
A small watercraft engine having a lubrication system including a lubrication oil reservoir. In an upper portion of the reservoir, a breather assembly is mounted which aids in separating liquids...
6688928 Personal watercraft having engine with supercharger incorporated therein  
A personal watercraft having an engine provided in a body formed from a hull and a deck, and a supercharger provided for the engine. An oil exit of the supercharger is disposed higher than an oil...
6672918 Induction system for 4-cycle engine of small watercraft  
An induction system for a 4-cycle engine of a small watercraft includes an improved construction which can accommodate a large plenum chamber notwithstanding being placed in an engine compartment...
6652338 Lubricant drain arrangement for multi-cylinder internal combustion engine  
A lubricant drain arrangement for a multi-cylinder internal combustion engine having an engine body defining a plurality of cylinder bores and including a cylinder block and a crankcase member. The...
6638123 Cooling system for small watercraft engine  
A small watercraft engine having a lubrication system including a lubrication oil reservoir defining a cooling water jacket therein. A cooling system of the engine supplies cooling water to the...
6626714 Oil pump arrangement for marine drive  
A marine drive includes an oil pump assembly circumferentially mounted on a rotating shaft. The pump assembly defines a pump chamber. An upper seal member is provided above the pump chamber to...
6620007 Cooling water jacket for small watercraft engine  
A small watercraft engine having a lubrication system including a lubrication oil reservoir defining a cooling water jacket therein. A cooling system of the engine supplies cooling water to the...
6589086 Outboard marine drive with an internal combustion engine  
In an outboard marine drive with an internal combustion engine having a vertically extending crankshaft and an oil pan located below a cylinder block, a sidewall of the cylinder block is provided...
6582262 Four-stroke-cycle engine of an outboard motor  
A four-stroke-cycle engine of an outboard motor, comprises an engine body, a crankshaft, at least one camshaft, at least one camshaft driving mechanism, an oil pump, at least one valve timing...
6575797 Oil drain system for an outboard motor  
An oil drain system for an outboard motor provides an oil drain opening formed in a lower surface of the splash plate of the outboard motor at a location which allows oil to drain from the oil...
6527604 Outboard engine with improved oil return path  
A compact and lightweight outboard engine ( 1 ) mounted to a boat stern by a mounting device having a tilt shaft comprises: an engine ( 2 ) including a flywheel ( 56 ) positioned at a lower end...
6524150 Exhaust emission control for watercraft  
A watercraft includes a monitoring and control system to sense the operational state of a catalytic device and a cooling system used with an exhaust system of the watercraft. The monitoring and...
6524149 Cooled oil reservoir for watercraft  
A watercraft having a cooling system for the lubrication system of the engine, the cooling system including a reservoir, at least a portion of the reservoir being cooled by ambient water flowing...
6503111 Lubricant filter mounting structure  
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...
6502666 Engine lubrication system  
An engine lubrication system is provided which has an oil pump for supplying lubricating oil from an oil pan to an area that is to be lubricated, the oil pump being positioned outside-the-oil pan...
6497596 Oil cooler for watercraft  
A lubrication cooling system for an internal combustion engine positioned within an engine compartment of a personal watercraft for powering a water propulsion unit thereof, is disclosed. The...
6478646 Drive device of inboard and outboard engines  
A drive of inboard-and-outboard engines, wherein a drive gear unit ( 10 ) meshing with driven gears ( 25, 26 ) disposed on the upper end side of a drive shaft ( 28 ) disposed generally in vertical...
6477992 Oiling system  
The present invention, in one form, is an oiling system for an outboard engine and includes an oil tank and an oil pump located within the tank. A manifold is coupled to the oil pump, and the...
6475046 Lubrication system for 4-cycle engine of small watercraft  
A watercraft includes a lubrication system having a lubricant pump assembly and a lubrication reservoir defined between a lower crankcase member and an oil cover. At least one oil passage connects...
6474286 Lubricant filler structure  
A lubricant filler structure for an internal combustion engine includes a lubricant filler tube having a lower end connected to the crankcase and an upper end forming a filling port. The filler...
6461207 Lubrication system for small watercraft  
A small watercraft includes a lubrication system having at least one pump, a lubricant reservoir, and a lubricant filter. The lubricant pump is configured to circulate lubricant between the...
6416373 Oil system vent with remote oil reservoir  
The invention includes an oil system vent that is remote from an oil reservoir so that the oil reservoir can be stored in the bilge section of a boat. The oil reservoir has an oil supply outlet and...
6394861 Oil system and housing with periodic oil diversion  
An oil system for an outboard marine engine is disclosed. The oil system includes an oil system housing having an inlet, an outlet, and an oil return. The housing includes a solenoid chamber to...
Matches 1 - 50 out of 131 1 2 3 >