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7614381 Power system with an integrated lubrication circuit  
A power system includes an engine having a first lubrication circuit and at least one auxiliary power unit having a second lubrication circuit. The first lubrication circuit is in fluid...
7600500 Lubricating system for internal combustion engine  
A lubricating system for an internal combustion engine in which oil in a crankcase is supplied into an oil tank by a scavenging pump wherein it is possible to reduce the size of an engine body and...
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...
7588011 Oil supplying apparatus for engine  
An oil supplying apparatus includes a first oil path supplying working oil from an outlet port to a portion to be supplied with the working oil, a second oil path supplying the working oil to an...
7584736 Lubrication device of four-stroke engines  
A lubricant device of four-stroke engine is provided according to the present invention. The lubricant device is applicable to a four-stroke engine having a cylinder, a crank case, a rocker arm...
7584726 Two-stroke opposite radial rotary-piston engine  
A two-stroke opposite rotary-piston engine comprises a cylinder block including a sleeve and two pistons slidely disposed therein, oppositely movable forming a common combustion chamber and a first...
7578277 Pump drive structure of water-cooled internal combustion engine  
To provide a pump drive structure for a water-cooled internal combustion engine in which the number of revolving shafts arranged in parallel in an internal combustion engine is reduced and a power...
7516729 Providing lubricant to an engine  
A method and apparatus for providing lubricant to an engine which may be operated in either a normal position or an extreme angled position. Through gravity, the lubricant pools in a first location...
7516727 Vehicle combustion engine  
A vehicle combustion engine includes an engine cylinder block having an exhaust port defined in a front surface area thereof and fluidly connected with an exhaust tube. A transmission is arranged...
7509937 Piston ring, piston skirt and cylinder liner lubrication system and method for an internal combustion engine  
An improved lubrication system and method for an internal combustion engine that includes an inertia pump in a piston that reacts to the movement of the piston and conveys a predetermined measure...
7509935 Engine cover and method  
An engine cover ( 400 ), such as a valve cover ( 700 ) or an oil pan ( 400 ), includes a skeleton structure ( 402 ) that may have a plurality of ribs ( 406 ) and at least one opening. At least one...
7509930 Internal combustion barrel engine  
A two-stroke barrel engine includes a power output shaft configured to rotate, an even number of cylinders encircling the power output shaft, wherein each cylinder includes opposing first and...
7498932 Oil level monitoring system for an internal combustion engine  
An internal combustion engine in a working device comprises an oil reservoir near a crankcase to hold oil. An oil measurement device is used to recognize the existence of oil in the oil reservoir...
7497197 Motor-operated tool  
A chainsaw includes an internal combustion engine with a fuel-air mixture inlet and a carburettor with a fuel-air mixture outlet disposed in the direction of flow of a fuel-air mixture in front of...
7481197 Lubrication device of four-stroke engines  
A lubricant device of four-stroke engine is provided according to the present invention. The lubricant device is applicable to a four-stroke engine having a cylinder, a crank case, a rocker arm...
7472771 Snowmobile with intercooler  
A snowmobile with an intercooler includes a four-stroke-cycle engine unit disposed in an engine room covered by an engine hood, and the engine unit includes an engine body, a turbocharger, an...
7472675 Internal combustion engine  
An internal combustion engine includes a crankcase in which a crankshaft is rotatably mounted. Mechanisms are provided for scraping off the oil from the rotating crankshaft. An oil pan is arranged...
7461637 Diesel engine lubricated with fuel such as light oil  
A diesel engine ( 1 ) includes a fuel supply passage ( 4 ) via which fuel is supplied from a fuel tank ( 2 ) to an oil pan ( 3 ) through a supply pump ( 6 ), a lubrication-system fuel supply...
7461625 Lubricant recovering apparatus for heavy construction equipment  
A lubricant recovering apparatus is disclosed, which can process lubricant collected in a drain pipeline due to an oil slobbering phenomenon occurring in a diesel engine. The lubricant recovering...
7451753 Pre-heating of a liquid in an aircraft reservoir  
An electric motor thermally associated with a liquid reservoir of an aircraft engine is selectively operated to generate heat for pre-heating a liquid in a reservoir prior to engine start.
7444979 Crankcase of an engine  
The present invention provides a motorcycle including a front wheel, a rear wheel, a frame supported by the front and rear wheels, a crankcase including a first interface portion and a first...
7444977 Method and system for reducing fuel consumption in a diesel engine  
The present invention relates to a method (and corresponding system) of reducing fuel consumption in a diesel engine ( 300 ) when operating at less than full power, the method comprising the step...
7438064 Mixture-lubricated internal combustion engine  
A mixture-lubricated internal combustion engine has a cylinder ( 2 ) in which a combustion chamber ( 3 ) is formed. The combustion chamber ( 3 ) is delimited by a piston ( 5 ) mounted to move back...
7434561 Engine  
An engine including an oil passage through which oil output from an oil pump flows, an oil cooler mounted to the oil passage, and a branched oil passage for a hydraulically-powered device of the...
7431006 System and method for lubricating power transmitting elements  
Disclosed herein is a lubrication system and method. The system includes a main engine bearing and a crankshaft in operational association with the bearing. The crankshaft includes an end having a...
7421996 Lubricating device for engine  
An lubrication device for an engine includes: a crank case which freely rotatably supports a crank shaft and also which stores oil at its lower part; an oil strainer which is so arranged as to be...
7415960 Engine fluid passage intersection and method  
A fluid passage intersection ( 314 ) within a component ( 100 ) includes a supply passage ( 118 ) formed in the component ( 100 ), a cavity ( 316 ) in fluid communication with the supply passage (...
7415946 Engine and method for operating an engine  
An engine includes a housing having a combustion chamber. The engine may also include a fuel injector for supplying fuel directly or indirectly to the combustion chamber. Additionally, the engine...
7412957 Crankcase, oil channel mold core for producing a crankcase and process for producing a crankcase  
A crankcase of an internal combustion engine with at least one main lubricant channel for supplying the internal combustion engine with lubricant and with at least one oil return flow channel ( 10...
7412949 Dual head piston engine  
A gas or diesel internal combustion engine of either a two or four stroke design uses both ends of each piston to create a combustion chamber. The piston rod rides linearly through a lower cylinder...
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...
7401589 Engine  
An engine comprises: a V-belt type continuously variable transmission on one side of an engine case, said CVT being provided with and housing in a transmission case a drive pulley attached to one...
7398858 Oil pan arrangement  
The invention relates to an oil pan arrangement for an internal-combustion engine including a cover part, a bottom part for the oil pan and at least one suction pipe which opens out into an suction...
7395804 Lubrication structure of engine  
The lubrication structure of an engine is provided with a crankcase having a crank chamber that houses a crankshaft. A first oil reservoir is in communication with the crank chamber and is formed...
7395803 Electric oil pump system and controls for hybrid electric vehicles  
An engine lubrication oil flow control system and control method for an engine in a hybrid electric vehicle powertrain is disclosed. An engine lubrication oil pump is powered by a lubrication oil...
7395802 Oil supply for internal combustion engine camshaft  
An oil supply system for an internal combustion engine camshaft includes an oil distribution block configured for attachment to an engine structure adjacent to and above a camshaft, with attachment...
7387102 Cast part for an internal combustion engine  
The invention relates to a cast part for an internal combustion engine, said part being a cylinder crankcase, which has at least one guide duct that leads a fluid medium to a required location....
7373914 Lubricating apparatus for internal combustion engine  
A lubricating apparatus for an internal combustion engine is provided in which an oil discharge passage, extending from the oil pump, is provided for straddling the oil pump case and the tank body....
7373913 Small internal combustion engine  
A small internal combustion engine including a crankcase, a crankshaft rotatably mounted in an interior of the crankcase by crankshaft bearings of the crankcase, a first oil passage disposed below...
7373912 Oil level indicating system for internal combustion engine  
An oil level indicating system for an internal combustion engine includes an indicator passageway extending through a cylinder block, cylinder head and up through a ported boss extending through an...
7373911 Oil return device  
An engine oil return device for an engine having a cylinder head and a cylinder block is disclosed. The oil return device comprises an oil pan and an oil return path. The oil return path includes...
7363904 Lubrication device of engine  
An engine lubrication system in which a transmission 13 having a main shaft 14 and a drive shaft 15 each having a plurality of change-speed gears mounted thereon is arranged within a...
7360520 Damped windage tray and method of making same  
A damped windage tray for an engine including a windage tray formed from a laminate. The laminate operates to damp vibrations of the windage tray. The laminate includes a first constraining layer,...
7357225 Two part oil or fluid drain plug with magnet  
A two part oil drain plug assembly facilitates the draining of oil or fluid from a sump, and its use prevents the threads of the sump, which may be an automotive oil pan, from becoming stripped or...
7357113 Baffle plate configuration of internal combustion engine  
A baffle plate configuration of an internal combustion engine according to a first embodiment of the invention is provided below a rotational member arranged on or near a crankshaft and prevents...
7357111 Stroke characteristic variable engine  
A stroke characteristic variable engine comprising a primary link connected to a piston which is slidably fitted in a cylinder, a secondary link connecting the primary link with a crankshaft and a...
7350498 Crankshaft of engine  
A crankshaft equipped in an engine, including an oil passage through which oil is drawn from a crank journal to a crank pin. The oil passage has an inlet formed at a peripheral region of the crank...
7350497 Outboard motor lubrication system  
A lubrication system of an outboard motor delivers lubricant to an internal combustion engine. The internal combustion engine is supported by an upper end of a case. The lubrication system has an...
7350484 Controlled leakage valve for piston cooling nozzle  
Device to feed cooling and lubricating fluid to cooling and lubricating nozzles for the pistons of an internal combustion engine, having at least one valve with an upstream channel and a downstream...
7347176 Gasket with leak conduit  
A gasket ( 200 ) includes a metal substrate ( 202 ) that has a first opening ( 204 ) and a second opening ( 216 ) formed therein. A first sealing bead ( 208 ) substantially surrounds the first...