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Class 123/196M - Upper cylinder lubricants


Subclass of Class 123 - Internal-combustion engines
No. of patents: 142
Last issue date: 12/01/2009


1        
NumberTitleIssue Date
7624714Engine lubrication method
The present invention is directed to a four-cycle engine including a lightweight aluminum alloy engine block having a cylindrical bore and an oil reservoir formed therein. A crankshaft is rotatably mounted in the engine block for rotation about a crankshaft axis. A ...
12/01/2009
7581525Twin cylinder motorcycle engine
A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a shovelhead motorcycle engine. The rocker box includes a separable upper portion and lower portion with a seal for sealing the upper portion and ...
09/01/2009
7434572Cylinder head of an internal combustion engine
The invention relates to a cylinder head (1) of an internal combustion engine with a camshaft bearing mechanism (2) situated thereon in which a hollow camshaft (3) is rotatably mounted, forming an outlet for discharging blow-by gases laden with ...
10/14/2008
7395802Oil 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 of the oil distribution block occurring after the camshaft has been ...
07/08/2008
7377246Vertically oriented camshaft cap oil diverter
An improved cam shaft configuration for internal combustion engines is provided wherein the oil is efficiently diverted from the camshaft cap to adjacent camshaft lobes. A reorientation of the camshaft oil diverter improves the distribution and increases the quantit...
05/27/2008
7337755Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system
A cylinder head cooling structure and an oil temperature control system are provided for an internal combustion engine having a plurality of cylinders, each having a plurality of intake ports and a plurality of exhaust ports. The engine includes cooling oil jackets ...
03/04/2008
7322243Acoustic wave etch rate sensor system
An acoustic wave sensor system for monitoring the etch rate or etch ability of a selective material has an acoustic wave sensing device having a piezoelectric substrate and at least one electrode coupled to the substrate for generating a propagating acoustic wave an...
01/29/2008
7308882Oil feeding system of engine
An oil feeding system of an engine equipped with a transmission configured to change a rotational speed of rotation of a crankshaft and to output the rotation, including an oil pump configured to be driven in cooperation with the rotation of the crankshaft, an oil p...
12/18/2007
7299782Cylinder head structure for a multi-cylinder internal combustion engine
A cylinder head structure for a multi-cylinder internal combustion engine that is mounted on a vehicle so that a cylinder alignment direction goes along a front-rear direction of the vehicle comprises a cylinder head side wall, an upper deck, and a rib. The cylinder...
11/27/2007
7293450Oil quality sensor structure for permanent applications
An oil quality sensor system comprise an acoustic wave viscosity and an etch rate sensor. The etch rate sensor system includes a piezoelectric substrate and one or more sensing layers configured upon the piezoelectric substrate. A layer of gold is generally configur...
11/13/2007
7287431Wireless oil filter sensor
A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements and at least one antenna that communicate with the acoustic wave sens...
10/30/2007
7267009Multiple-mode acoustic wave sensor
A multiple-mode acoustic wave sensor apparatus includes an acoustic wave device comprising a piezoelectric substrate and at least one electrode on the substrate. When such sensor is used in a wireless configuration, a plurality of antennas can be configured on the s...
09/11/2007
7267094Lubrication system of small vehicle engine
A lubrication system of a vehicle engine wherein a cylinder head has a head side oil passage disposed at one end thereof along the axis of a crankshaft. A lower case of a crankcase is provided with a supply source side oil passage communicating with an oil supply so...
09/11/2007
7219536System and method to determine oil quality utilizing a single multi-function surface acoustic wave sensor
A method and system for detecting oil quality. The quality of engine oil can be determined utilizing an acoustic wave sensor to obtain viscosity and corrosivity data associated with the engine oil. The acoustic wave sensor is coated with a material that selectively ...
05/22/2007
7204128Engine wear and oil quality sensor
A viscosity and corrosivity sensor apparatus includes a substrate upon which one or more electrodes are configured. The electrode(s) are exposed to a liquid, such as automotive oil. An oscillator can be connected to the electrode, wherein the oscillator assists in p...
04/17/2007
7155996Lubrication system for a transmission gear mechanism
By blocking off a partial passage opening in a lubricating oil supply passage of a transmission gear mechanism by attaching a transmission holder, an operation to block off the passage opening is omitted. Supply of lubricating oil to a main shaft and a counter shaft...
01/02/2007
7124731Internal combustion engine with oil temperature sensor
The invention relates to an engine arrangement that increases the degree of freedom of the engine state sensor while decreasing the size of the engine body. More specifically, the engine is formed with a chamber for housing a valve train and serving dually as a retu...
10/24/2006
7114483Lubrication device for four-stroke engine
Disclosed is a lubrication device for a four-stroke engine, including three independent spaces which are crank room, cam room and lubricant room. A chamber is in communication with the three spaces respectively. A suction path assembly is located in the lubricant ro...
10/03/2006
7104240Internal combustion engine with localized lubrication control of combustion cylinders
An internal combustion engine includes at least one cylinder block having at least one combustion cylinder. A number of cylinder liners are respectively associated with each combustion cylinder. Each cylinder liner defines a corresponding cylinder inside surface. Ea...
09/12/2006
7077089Oil drainback system for internal combustion engine
An internal combustion engine having an oil drainback passage and integral check valve. The oil drainback passage allows the flow of oil from the valve box to the crankcase of the engine during normal operation and prevents the backwards flow of oil from the crankca...
07/18/2006
7029346Vertical 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 oil from the oil filter. As a result, it is unnecessary to increase t...
04/18/2006
6959689Engine expansion braking with adjustable valve timing
A system and method for controlling operation of cylinder with at least an intake and exhaust valve and a piston are described. In one aspect, the method comprises maintaining at least one of the intake and exhaust valves in a closed position during a period. Furthe...
11/01/2005
6935114System and method for starting an engine
A system and method for starting an engine having a crankshaft is provided. Pressurized fluid is stored in an accumulator. A flow of pressurized fluid is released from the accumulator. The flow of pressurized fluid released from the accumulator is directed to a pump...
08/30/2005
6920856Camshaft mounting structure for a cylinder head
The camshaft mounting structure for a cylinder head includes a journal part placed at the front of a cylinder head and supports a camshaft and accommodates a bolt coupling hole for securing the cylinder head and the cylinder block. The cylinder block includes oil ho...
07/26/2005
6877474Mixture lubrication of a four-stroke internal combustion engine
In order to provide a four-stroke internal combustion engine (100) having a control chamber (16) and a cylinder (14), provided with at least one intake valve (12) and at least one exhaust valve, which has a crankshaft chamber (22) ...
04/12/2005
6810846Flow path structure of hollow tube
To provide a flow path structure of a hollow tube capable of reducing facility cost and product cost by promoting assembling operability, a rocker shaft is constituted by including a tubular member having a hollow portion and a partitioning member interposed at the ...
11/02/2004
6779505Method of employing instrumentation to efficiently modify a lubricant's flow rate or properties in an operating all-loss lubricating system
A method to employ instrumentation to effectuate variation in lubricant flow rate or properties in response to actual engine conditions. Preferably, the present invention provides a method for the in situ monitoring of the lubricating oil's effectiveness in a two-st...
08/24/2004
6772726Multiple-position, operator-carried, four-stroke engine
An oil mist generator is connected drivably to the crankshaft for agitating liquid oil in the crankcase to establish a lubricating oil mist. The crankcase, the cam region and the valve chamber form a closed oil mist containment whereby lubricating oil mist is distri...
08/10/2004
6715461System for lubricating valve-operating mechanism in engine
In a system for lubricating a valve-operating mechanism in an engine including a head cover coupled to an upper end of a cylinder head, and a valve-operating chamber defined between the cylinder head and the head cover. An oil mist transfer means for transferring an...
04/06/2004
6681737Engine lubrication system
An engine lubrication system has an arrangement in which the base of a crankcase is used to form an oil reservoir, and a part of an oil slinger that is driven by a crankshaft via a transmission system is immersed in the oil within the oil reservoir. An oi...
01/27/2004
6675764Oil feed system for IC engine with variable camshaft timing
An oil feed system for an internal combustion engine with a variable camshaft timing mechanism includes a bracket attached to the front structure of the engine at a final location which is determined in part by the interaction of the bracket and the camsh...
01/13/2004
6662771Timing chain lubricating system for engine
Sprockets are fixed to ends of camshafts supported in a cylinder head via camshaft holders, and a timing chain is wrapped around these sprockets. An oil drain hole is provided for supplying relief oil of a hydraulic control valve to the timing chain, and ...
12/16/2003
6644262Oil pump mounting structure for engine
To provide an oil pump mounting structure for an engine. The engine includes a crankcase rotatably supporting a crankshaft, an oil pan connected to a lower portion of the crankcase, and an oil pump interlocked for rotation with the crankshaft. The oil pum...
11/11/2003
6637399Lubrication structure in OHC engine
An OHC engine includes a valve operation system housed in a valve operation chamber formed between a cylinder head and a head cover joined to the cylinder head. The valve operation system includes a valve-operating cam and is cooperatively connected to an...
10/28/2003
6629517Lubrication structure in four-cycle OHC engine
A four-cycle OHC engine includes timing transmitting device that includes a driven wheel formed integrally with a valve-operating cam and that is disposed between a valve operation system and a crankshaft. The valve operation system includes the valve-ope...
10/07/2003
6619247Valve operating control system for engine
First and second valve-operating characteristic changing mechanisms for changing the valve lift and the valve timing of an intake valve respectively are provided on an intake side of an engine. A hydraulic pressure control valve for the first valve-operat...
09/16/2003
6561154Engine head cover structure
An engine head cover structure has a head cover joined to the upper end of a cylinder head so as to define a valve operation chamber therebetween. The head cover includes therein an oil recovery chamber to which oil resided in the valve operation chamber ...
05/13/2003
6561156Cylinder head apparatus
The object of the present invention is to facilitate an appropriate oil supply to the tensioner without a complex apparatus. A valve chamber 3A is formed in a cylinder head 3 which is connected to a cylinder block 2. An opening 23--for discharging the oil...
05/13/2003
6505588Internal combustion engine with at least two cam shafts arranged adjacent to each other in the cylinder head, particularly with an intake camshaft and an exhaust camshaft
An internal combustion engine with two camshafts (4, 5) arranged side by side in the cylinder head (1), each having a mechanism (8, 9) for varying the control timing of gas exchange valves is provided. The feeding and discharge of the hydraulic pressure m...
01/14/2003
6491010Over-head cam type V-type engine
An over-head cam type V-type engine comprises a crank shaft provided to penetrate through a crank chamber, a cam shaft provided in a head portion of each of two cylinders provided above the crank chamber, an intermediate shaft provided to penetrate throug...
12/10/2002
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