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| Number | Title | Issue Date |
| 7121247 | Spherical rotary engine valve assembly A spherical rotary engine valve assembly for use in an internal combustion engine. ... | 10/17/2006 |
| 6920845 | Engine cooling disc valve A multi-port rotary valve used to distribute coolant to an engine cooling system comprises a valve body having a plurality of outlet ports for directing coolant flow to a radiator circuit, a heater circuit, and an auxiliary circuit. An internal gear driven rotary di... | 07/26/2005 |
| 6321699 | Spheroidal rotary valve for combustion engines A rotary valve is disclosed suitable for replacement of poppet valves. The valve is temperature controlled through a combination of heat transfer techniques and means for reducing heat transfer between gas flows and the valve components. Assymetric geomet... | 11/27/2001 |
| 6293242 | Rotary valve system A complete rotary valve assembly and system is disclosed. The rotary valve includes a generally elongated valve body having first and second ends and a longitudinally extending axis of rotation. The rotary valve is mounted in a housing positioned above a ... | 09/25/2001 |
| 5490485 | Rotary valve for internal combustion engine A rotary valve for use in an internal combustion engine and capable of providing high volumetric efficiency is disclosed. The rotary valve generally includes a cylindrical tube having an outer wall that defines intake and exhaust ports positioned to commu... | 02/13/1996 |
| 5249553 | Rotary valve shaft indent system A rotary valve shaft indent system for use in internal combustion engines including an intake manifold, and exhaust manifold, at least one combustion chamber having a piston and an ignition point, a cylinder head, an intake shaft rotatably mounted within ... | 10/05/1993 |
| 4944262 | Rotative combustion chamber engine In accordance with one aspect of the present invention, an improvement in the combustion chamber of an internal combustion engine (10) is provided. A spherically shaped rotating element (22) is mounted in the engine head (20) for rotation about a first ax... | 07/31/1990 |
| 4879979 | Intake and exhaust system through rotatory ports shaft, in four-stroke motors An intake and exhaust system through rotatory port shafts, in four-stroke motors, through which are suppressed the camshaft, valve tappets, rocker arms and valves of conventional motors. The system is based on a hollow shaft located in a jacket and the wh... | 11/14/1989 |
| 4834038 | Timing 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 |
| 4444161 | Rotary valve for inherently balanced engine A rotary valve for an internal combustion engine of the type having at least two banks of oppositely disposed cylinders to conduct an air-fuel mixture into one cylinder and to simultaneously dispose of the exhaust gases from a second cylinder. The rotary ... | 04/24/1984 |
| 4418658 | Engine 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 |
| 4392460 | Parallel inherently balanced rotary valve internal combustion engine An internal combustion engine having banks of oppositely disposed cylinders is disclosed having a rotary valve for each bank which directs the flow to supply the inlet air and to dispose to the exhaust gases. Each of the rotary valves can be liquid cooled... | 07/12/1983 |
| 4381737 | Rotary valved internal combustion engine An improved device for fluidly sealing rotary valves to the housing of a rotary valved internal combustion engine. The device comprises self-lubricating sleeve-like members which are compressed between the rotary valves and engine housing. The sleeve-like... | 05/03/1983 |
| 4313401 | Regulator for an internal combustion engine A regulator for an internal combustion engine having at least one working cylinder space is disclosed. The regulator comprises a housing for connection to the engine and a rotary slide valve rotatably mounted in the housing to rotate on a rotation axis. T... | 02/02/1982 |
| 4198946 | Rotary valve construction for an internal combustion engine 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... | 04/22/1980 |
| 4083331 | Internally cooled rotary exhaust valve An improved water cooled exhaust valve structure is disclosed for a rotary valve engine. The exhaust gases from an engine combustion chamber enter a side port in a rotary exhaust valve and flow axially through the valve to an exhaust outlet. Cooling water... | 04/11/1978 |
| 4016840 | Rotary-valve device for internal-combustion engines A rotary valve device for internal-combustion engines, said device comprising an elongated, tubular drum having an exhaust-manifold system disposed therein and a plurality of fuel passages, forming a fuel-intake system having fuel-intake ports and fuel-ou... | 04/12/1977 |
| 4008694 | Rotary cycling valve for internal combustion engines A cycling valve for an internal combustion engine comprises a valve housing on top of the engine block and a circular rotary valve body within the housing geared to the crank shaft of the engine. Air of sub-atmospheric pressure developed in the engine cra... | 02/22/1977 |
| 3948227 | Stratified 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 |
