Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8151755 | Internal combustion engine An internal combustion engine includes a rotary valve such that said rotary valve serves as an output shaft for said engine. ... | 04/10/2012 |
| 7044097 | Cylinder head A cylinder head 12 showing a guideway in which is located a rotatable valve 10, 12 comprising a fluid port operable to effect fluid communication between a cylinder and a fulid manifold in the guideway, whereby rotation of the valve effects alignment o... | 05/16/2006 |
| 6520138 | Air intake apparatus for internal combustion engine A rotating shaft and a drive shaft are used in an air intake apparatus for an internal combustion engine. At one end portion of the rotating shaft and the drive shaft a sphere portion and a projection portion are formed, and another end portion of the rot... | 02/18/2003 |
| 6332449 | Device for controlling the opening and closing of at least an internal combustion engine cylinder head air conduit A device comprising a cylindrical sliding gate (3), transversely arranged relative to the air conduit(s) (2) in a bore (4) arranged in a cylinder head (1) movable between a first position closing (P2) the conduit (2) and a second position opening (P1) the... | 12/25/2001 |
| 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 |
| 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 |
| 5706775 | Rotary valve apparatus for internal combustion engines and methods of operating same A rotary valve system mounted to an internal combustion engines and method of operating the system primarily comprises a rotary valve mounted within a valve sleeve, which is in turn mounted within a longitudinal bore extending through an intake and exhaus... | 01/13/1998 |
| 4864984 | Rotary valve internal combustion engine An internal combustion engine (10) incorporating a rotary intake-exhaust valve (30). Intake exhaust valve (30) rotates between intake passage (36) and exhaust passage (34) such that intake-exhaust port (28) is aligned with intake passage (34) during the i... | 09/12/1989 |
| 4864985 | Rotary valve A rotary valve is described together with engines embodying such valves. A rotary valve for an internal combustion engine or compressor comprises a generally cylindrical valve body member of a ceramic material, the valve body having at least one gas duct ... | 09/12/1989 |
| 4782656 | Rotary valve assembly for engine A rotary internal combustion engine has a housing with an elliptical inside surface surrounding an elliptical rotor forming with the housing combustion chambers. Valve and ignition assemblies connected to a source of air under pressure and injectors for i... | 11/08/1988 |
| 4777917 | Rotary valve engine with tandem power and supercharger sections Four power cylinders within an engine and/or cylinder block are distributed around a central bore containing a rotary valve whose axis of rotation is parallel to that of each of the cylinders. Supercharger cylinders are axially aligned with the power cyli... | 10/18/1988 |
| 4610223 | Cam engine An improved internal combustion cam engine of a type in which the drive-cam-valve shaft rotates about an axis parallel to the axes of the cylinders.... | 09/09/1986 |
| 4517938 | Rotary valve arrangement In the specific embodiment described herein, a rotary valve for the gas exchange of an internal combustion engine has a rotary member and a housing and a series of circumferential dry-bearing gas-sealing rings and dry surface seals arranged to block leaka... | 05/21/1985 |
| 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 |
| 4370955 | Rotary valve for an internal combustion engine A rotary valve for an internal combustion engine comprises an outer stationary support member formed with a hollow interior, an inner valve member housed within the hollow interior, and bearing means supporting the valve member for rotation about an axis ... | 02/01/1983 |
| 4313404 | Internal combustion engine The engine is of the continuous combustion type having two multiple piston banks separated by a centrally disposed undulating spider drive member operated from the piston action and adapted to drive the output power shaft of the engine. The engine compris... | 02/02/1982 |
| 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 |
| 4019488 | Rotary valve engine with lubricator A rotary valve engine in which the rotary valve is located laterally of the cylinder and includes straight longitudinally extending, concentrically arranged intake and exhaust passages for unrestricted flow of air or combustible mixture into the cylinder ... | 04/26/1977 |
| 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 |
