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| Number | Title | Issue Date |
| 7380532 | Disc valve intermediate ring seal Between the cylinder head and combustion chamber of an internal combustion engine, an intermediate sealing ring. The sealing ring is in sliding contact at its top circular surface with a disc valve rotatively mounted in said cylinder head and at its outer periphery ... | 06/03/2008 |
| 7111603 | Heli-shaft The HELI-SHAFT intake exhaust manifold system is comprised of a shaft with two helical and parallel runners cutout around its length. Surrounding the shaft is a sleeve of the same length to enclose and separate the two runners. The intake runner has an opening at th... | 09/26/2006 |
| 6976465 | Disc valve intermediate ring seal Between the cylinder head and combustion chamber of an internal combustion engine, an intermediate sealing ring. The sealing ring is in sliding contact at its top circular surface with a disc valve rotatively mounted in said cylinder head and at its outer periphery ... | 12/20/2005 |
| 6513475 | Rotary valve internal combustion engine An engine comprises an engine block having at least one combustion chamber and a rotary valve rotatably mounted on top of the engine block. The rotary valve includes an intake passage for diverting air into the combustion chamber and an exhaust passage fo... | 02/04/2003 |
| 6155215 | Rotary valve internal combustion engine An internal combustion engine includes an engine block having one or more cylinders and a rotary disk valve mounted on top of the engine block. The rotary disk valve includes an intake passage for directing intake air into the cylinders and an exhaust pas... | 12/05/2000 |
| 5839399 | Cartridge-type rotary valve A two-way rotary manifold-selecting valve forming a combustion chamber for an internal combustion engine has a frusto-conical rotor nestingly residing in a housing having a frusto-conical passage communicating with the base of the housing. The housing has... | 11/24/1998 |
| 5816203 | Rotary valve internal combustion engine A rotary valve engine includes an engine block having at least one combustion chamber which is sealed by a rotary valve which also can function as a head. The rotary valve includes an intake passage and an exhaust passage for directing intake air into the... | 10/06/1998 |
| 5673663 | Non-valve engine device and method of controlling the same A non-valve engine device for a vehicle and a method of controlling the non-valve engine device are disclosed. The device includes a hemispherically configured, rotatable combustion chamber having an opening for matching with one of intake and exhaust por... | 10/07/1997 |
| 5579734 | Rotary valve internal combustion engine A rotary valve engine includes an engine block having at least one combustion chamber which is sealed by a rotary valve which also can function as a head. The rotary valve includes an intake passage and an exhaust passage for directing intake air into the... | 12/03/1996 |
| 5474036 | Internal combustion engine with rotary valve assembly having variable intake valve timing An internal combustion engine has rotary valves associated with movable shutters operable to vary the closing of intake air/fuel port sections to obtain peak volumetric efficiency over the entire range of speed of the engine. The shutters are moved automa... | 12/12/1995 |
| 5081966 | Internal combustion engine with rotary valve assembly An internal combustion engine having a head with valve assemblies for controlling flow of intake and exhaust gases to and from piston chambers. A head plate is located between the head and a block having cylinders accommodating pistons. The head plate has... | 01/21/1992 |
| 5000136 | Internal combustion engine with rotary valve assembly An internal combustion engine having a head with valve assemblies for controlling intake and exhaust gases to and from piston chambers. A head plate is located between the head and a block having cylinders accommodating pistons. The head plate has opening... | 03/19/1991 |
| 4867117 | Rotary valve with integrated combustion chamber An internal combustion engine having a cylindrical rotary valve body positioned over each piston cylinder, and having a flow-passage chamber extending from the bottom of the valve body exposed to the piston chamber, and curved upward opening to the side o... | 09/19/1989 |
| 4773364 | Internal combustion engine with rotary combustion chamber An internal combustion engine having a head with valve assemblies for controlling intake and exhaust gases to and from piston chambers. A head plate is located between the head and a block having cylinders accommodating pistons. The head plate has opening... | 09/27/1988 |
| 4715336 | Four-stroke internal combustion piston engine A four-stroke internal combustion piston engine includes at least two cylinders disposed in axial alignment opposite on another. Each cylinder has a piston axially reciprocal therein with the pistons in the two cylinders operating with a phase shift of 18... | 12/29/1987 |
| 4682572 | High efficiency performance kinetic occlude system with rotary valve An internal combustion engine is provided with intake and exhaust gas valving by a single rotary valve mounted within a jacketed housing atop the cylinder. The piston has a shaft extending up through the housing, the shaft defining multiple spirals wound ... | 07/28/1987 |
| 4612886 | Internal combustion engine with rotary combustion chamber An internal combustion engine having a head with valve assemblies for controlling intake and exhaust gases to and from piston chambers. A head plate is located between the head and a block having cylinders accommodating pistons. The head plate has opening... | 09/23/1986 |
| 4592312 | High efficiency performance kinetic occlude system with rotary valve An internal combustion engine is provided with intake and exhaust gas valving by a single rotary valve mounted within a jacketed housng atop the cylinder. The piston has a shaft extending up through the housing, the shaft defining multiple spirals wound i... | 06/03/1986 |
| 4494500 | Rotary valve assembly A head for an internal combustion engine has a rotary valve for controlling intake and exhaust gas from the combustion chamber of a piston-type internal combustion engine. The valve has a continuous ceramic sleeve having an intake port, an exhaust port, a... | 01/22/1985 |
| 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 |
| 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 |
| 4311119 | Internal combustion engines A rotary valve for an internal combustion engine is provided in the upper end of a cylinder to control intake and exhaust. A combustion chamber is formed in the valve and the valve is movable co-linearly with respect to the longitudinal axis of the cylind... | 01/19/1982 |
| 4279225 | Rotary valve engine The rotary valve engine of the present invention comprises an engine block containing four power cylinders and a central valve cylinder. A single valve port is located in each cylinder just above the maximum travel of the piston. This port serves alternat... | 07/21/1981 |
| 4195612 | Multicylinder two-stroke internal combustion engine with rotary distributor A multicylinder two-stroke internal combustion engine has a plurality of reciprocating pistons arranged in a circle about a central cavity in which is located a rotary distributor driven in timed sequence with operation of the pistons. The rotary distribu... | 04/01/1980 |
| 3945359 | Rotor engine A rotary internal combustion engine which includes a plurality of cylinders equiangularly mounted around a central rotary valve assembly on an axial horizontal shaft, in which more complete combustion and less emission of unburnt gases is achieved. The en... | 03/23/1976 |
