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Class 123/196R - LUBRICATORS


Subclass of Class 123 - Internal-combustion engines
Definition: Lubricating means for internal-combustion engines, the device
No. of patents: 1000
Last issue date: 02/14/2012


1                      
NumberTitleIssue Date
8113167Oil pan
An oil pan of plastic material is provided with an oil suction pipe and an oil screen that is formed as one piece together with the oil suction pipe, wherein the oil suction pipe is comprised of two plastic shells and the oil screen that covers an inlet opening of t...
02/14/2012
8069834Engine oil level management system and method of assembling engines in vehicles
An oil level management system for a vehicle has an oil pan configured to contain oil and to be mountable to an engine block with a baffle extending transverse to the axis of rotation of the engine crankshaft when the oil pan is so mounted. The baffle is configured ...
12/06/2011
8065986Pre-lubrication of an internal combustion engine based upon likely vehicle usage
A method is disclosed for initiating oil injection into a cylinder of an internal combustion engine prior to engine start-up, the oil injection protecting the engine from damage caused by insufficient lubrication during the start-up. The method includes processing d...
11/29/2011
8051826Injection system for an internal combustion engine
The present invention relates to an internal combustion engine having an injector which functions as a positive displacement pump and dispenses an amount of lubricant fixed for each and every operation of the injector. The fluid dispensed could be a lubricant delive...
11/08/2011
8028672Dry sump oil tank assembly for a vehicle
A dry sump oil tank assembly for a vehicle is provided with a housing defining an internal cavity. The housing is configured with a laterally-extending portion to add lateral volume to the internal cavity and has at least one internal baffle attached to the housing ...
10/04/2011
8011342Wet oil sump for four cycle engine
An oil pump assembly is shown for wet oil sump applications at extreme angles for power sports equipment. The oil pump is comprised of a pump body, an oil pick-up and a driven gear shield, where these components may be integrally formed from die cast aluminum. The p...
09/06/2011
7987832Lubrication system for an engine
A lubrication system for a small lightweight four-stroke engine is disclosed. The lubrication system, provided with a weight at one end of a flexible oil tube inserted into an oil reservoir, is capable of providing a sufficient lubrication to components of the engin...
08/02/2011
7958861Oil sump for an internal combustion engine
An oil pan for an internal combustion engine, in which an oil suction space is formed by the arrangement of a baffle wall provided with several through-openings and at least one flap, where at least one retaining device, on which the flap is supported and/or fastene...
06/14/2011
7905212Balancer apparatus of engine
A pump chamber is arranged on the side of a balancer shaft on a vehicle backward side of the two balancer shafts. An oil strainer for sucking oil into an inlet passage is arranged on a vehicle forward side of the axis of the balancer shaft on the vehicle forward sid...
03/15/2011
7886710Oil filter unit and motorcycle including the oil filter unit
An oil filter unit that forms oil passages regardless of the attachment position of an oil filter. An adaptor for attaching the oil filter to a crank case has a first attachment surface on the crank case side and a second attachment surface on the oil filter side. T...
02/15/2011
7886711Oil drain passage structure
An oil drain passage that guides, to an oil pan, lubrication oil in a space surrounded by a side wall of an engine block and an inner wall of a chain cover is formed with a partition formed by contacting a rib provided on the inner wall of the chain cover and a rib ...
02/15/2011
7882819Engine
A tensioner for applying tension to a balancer drive chain is mounted in a balancer housing which accommodates balancer shafts. Oil is supplied from a reservoir chamber to the tensioner. An oil jet member for lubricating the balancer drive chain is mounted at a posi...
02/08/2011
7810467Oil 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 oil pressure control valve, a relief oil path, and a valve body oil pat...
10/12/2010
7806099Centralised lubrication of large diesel engines
A centralised lubrication system and method lubricates cylinder faces in large diesel engines, particularly marine engines. At least one lubricating apparatus has a rotating control shaft preferably running synchronously with the engine main shaft. To make a system ...
10/05/2010
7757656Internal combustion engine for small planing boat
An internal combustion engine for a small planing boat for reducing the lateral width of an oil pan in conformity to the configuration of the bottom while securing the filtering surface area of an oil strainer. In addition, a vertical width of the oil pan is maintai...
07/20/2010
7753024Oil supply for an internal combustion engine
The invention relates to an oil supply for an internal combustion engine, comprising an oil supply device for the supply of oil to a piston, reciprocating in a cylinder. The oil supply device is embodied such that at least at a point at which the piston is in the re...
07/13/2010
7739997Remote drain and filter arrangement for a portable generator system
A remote drain and filter arrangement for a portable engine-driven generator is disclosed that positions the oil filter and oil drain at a location outside the enclosure of the generator. The arrangement generally consists of an oil filter assembly and oil drain ass...
06/22/2010
7721700Engine unit and straddle-type vehicle provided with the same
An engine unit for a motorcycle that efficiently supplies lubricating oil to a clutch mechanism includes a connecting rod connected to a crank shaft, an oil pump, a clutch shaft having a clutch shaft body and a centrifugal type clutch, and a reduction mechanism havi...
05/25/2010
7717082Prime mover with integral oil reservoir
A prime mover is shown which can be used in supplying power for a variety of roles in industrial applications, including oil and gas well operations, such as the prime mover which is used to operate a pump jack at a well site. It includes an internal combustion engi...
05/18/2010
7717081Engine cylinder head structure
In a cylinder head structure of an engine, a structure of an oil passage is simplified to downside the engine and to provide proper flow of cooling water in the cylinder head. A partition wall is disposed in the cylinder head to separate an upward valve operating ch...
05/18/2010
7699037Diesel engine lubricated with fuel such as light oil
A diesel engine includes a fuel supply passage via which fuel is supplied from a fuel tank to an oil pan through a supply pump, a lubrication-system fuel supply passage via which fuel is supplied from the oil pan to engine parts to be lubricated through a lubricatin...
04/20/2010
7681548Method and apparatus for lubricating cylinder surface in large diesel engines
There is described a method and an installation for lubricating cylinder surfaces 6 in large diesel engines. The installation includes a lubricating apparatus 3 with a number of piston pumps 4 which via connecting lines 5 are connected wi...
03/23/2010
7669576Lubricating apparatus for 4-cycle engine
An oil chamber of an oil pan 6 divided into a main oil chamber that collects oil from a crankcase and an auxiliary oil chamber that is positioned adjacent to the main oil chamber. The main oil chamber is connected with an oil supply pump that supplies oil to ...
03/02/2010
7624713Mounting structure for an oil level sight glass for an internal combustion engine and engine incorporating same
A crankcase having a mounting structure configured to receive an oil level sight glass fitted on a lower outer portion of the crankcase in a through hole formed therein, and a retainer member clamped to an outer surface of the crankcase to prevent the oil level sigh...
12/01/2009
7614381Power 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 communication with the second lubrication circuit. ...
11/10/2009
7600500Lubricating 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 the size of the scavenging pump. An oil tank is provided in an engine...
10/13/2009
7588011Oil 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 oil pressure control valve, a relief oil path, and a valve body oil pat...
09/15/2009
7584736Lubrication 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 room and a cam room connected to the rocker arm room. The lubricant devi...
09/08/2009
7516729Providing 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 when the engine is in a normal position and pools in a second locati...
04/14/2009
7509937Piston 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 of lubricating oil to the space between the piston and its adjacent cy...
03/31/2009
7497197Motor-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 the fuel-air mixture inlet. A fuel-air mixture channel is provided be...
03/03/2009
7481197Lubrication 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 room and a cam room connected to the rocker arm room. The lubricant devi...
01/27/2009
7472675Internal 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 below the crankcase for holding the oil scraped off by the scrapers.
01/06/2009
7461625Lubricant 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 apparatus includes a tail pipe connected to an engine of the heavy con...
12/09/2008
7444979Crankcase 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 passageway exposed to the first interface portion, a reservoir located remo...
11/04/2008
7438064Mixture-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 and forth. The piston (5) drives a cranksh...
10/21/2008
7434561Engine
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 engine that is configured to branch in a location of the oil passage ex...
10/14/2008
7431006System 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 cavity with a power transmitting element (e.g., splines). The cavity ...
10/07/2008
7421996Lubricating 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 fixed in the crank case; and an oil pump which suctions the oil at the...
09/09/2008
7418938Engine balancer system
An engine balancer system is provided in which a balancer housing disposed so as to face an oil pan beneath a crankshaft is formed by joining an upper housing and a lower housing via mating faces, and the height of the mating faces is lower on a vehicle front side t...
09/02/2008
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