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Class 123/190.16 - Lubricant


Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus having means to reduce the friction of the rotary
No. of patents: 16
Last issue date: 12/07/1999


NumberTitleIssue Date
5996544Rotary valve control system for internal combustion engines and reciprocating pumps
The invention relates to a rotary valve control system for internal combustion engines and reciprocating pumps. A rotationally symmetrical, dome-shaped, drivable rotary valve is arranged in the cylinder head of the engine. In the cylinder head there is in...
12/07/1999
5529037Lubrication system for rotary valve
A rotary valve for an internal combustion engine, of the hollow cylindrical type, characterized in that there are provided in a bore of a cylinder head, in which the valve rotates, oil applicators arranged on either side of openings in the valve, each app...
06/25/1996
5417188Double effect distribution sequential valve shaft assembly
A double-effect distribution sequential valve shaft assembly for use within a cylinder head cover of internal combustion engines or other valve-type distribution systems, includes a rotating valve shaft with openings from side to side in the vertical plan...
05/23/1995
5052349Rotary valve for internal combustion engine
The invention herein is a rotary valve apparatus for a cylinder of an internal combustion engine, containing a valve housing having an internal axial bore and an opening over the combustion chamber, a circumferential bearing positioned within the bore, an...
10/01/1991
4960086Rotary valve construction utilizing a compressed gas as lubricant and coolant
An improved rotary valve construction is provided for use in conjunction with an internal combustion engine of the type having a housing and at least one piston member reciprocally received within a cylinder formed in the housing. In the conventional fash...
10/02/1990
4834038Timing device for reciprocating positive-displacement engines, such as endothermic reciprocating engines, with a rotary valve in the shape of a solid of revolution particularly a sphere
For each cylinder a timing device comprises at least one valve (12) in the shape of a solid of revolution which rotates inside a corresponding recess (15) in a seat formed in the cylinder head (1), the surface of the recess mating with that of the valve; ...
05/30/1989
4606309Device for controlling the combustion chambers exhaust and/or intake for internal combustion engines
Device for controlling the circulation of gases from and towards an internal combustion engine, wherein a sealing ring is provided with means for injecting a lubricating and cooling liquid such as oil in the gap between a continuous sealing surface around...
08/19/1986
4556023Rotary valves and gear timing
A pair of rotary valves for an internal combustion engine positioned in a cylinder head over a cylinder block. The rotary valves include a pair of rotatable shafts, and a pair of sleeve supports having ports opening to the cylinder or cylinders of the eng...
12/03/1985
4546743Arrangements to rotary valves for engines compressors, motors or pumps
A rotary valve with an axially extending passage revolves in a bed of a valve bearing body which has inlet passage means and a fluid transfer channel. The valve controls the periodic flow of fluid from the inlet means to the transfer channel. Fluid pressu...
10/15/1985
4545337Rotary valve engine
Rotary inlet and exhaust valves disposed within the cylinder head located at one end of at least one cylinder of a vehicle engine, the cylinder having inlet and exhaust ports, and the valves having a mechanism to feed an inlet charge to and exhaust from t...
10/08/1985
4473041Rotary valve engine
Rotary inlet and exhaust valves disposed within the cylinder head located at one end of at least one cylinder of a vehicle engine, the cylinder having inlet and exhaust ports, and the valves having a mechanism to feed an inlet charge to and exhaust from t...
09/25/1984
4418658Engine valve
A rotary valve for internal combustion engines, compressors and the like wherein its valve plate engages directly with the cylinder block and which is lubricated by oil passageways in the valve plate or wear surface of the cylinder block....
12/06/1983
4342294Rotary engine valve with improved seals and lubrication system
A shaft-type valve means for an internal combustion engine of the type having a block in which there is a cylinder and a piston reciprocal in the cylinder wherein the chamber is covered by a head and an improved valve is in the form of a shaft journaled i...
08/03/1982
4160436Rotary valves
A rotary valve for controlling the flow of fluids, and especially the gases in an internal combustion engine. A rotatable valve member is housed in a bore defined by a two-part housing interconnected by an element serving as a hinge to allow relative move...
07/10/1979
4010727Internal combustion engine
An internal combustion engine having a rotary valve for controlling the inlet of fuel and exhaust of combustion products from the engine arranged to supply copious lubrication to the valve face and to remove excess lubricant before the valve registers wit...
03/08/1977
3948227Stratified charge engine
An apparatus for applying a stratified charge to a reciprocating internal combustion engine is disclosed. The apparatus comprises a cylindrical rotary valve body disposed for rotation within the head of an internal combustion engine. The valve body define...
04/06/1976
 
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