Class 123/237 - Abutment

Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus wherein the means to receive the combusted material
No. of patents: 38
Last issue date: 05/22/2012

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Number	Title	Issue Date
8181624	Open-cycle internal combustion engine A Brayton cycle internal combustion engine of the open, or constant pressure type, in which rotary power is produced by the pressure of hot gasses against confined, rotor protrusions. ...	05/22/2012
7600501	Method for increasing the effect to be produced in a motor, pump or the like A method for increasing the power output in an engine, pump, or similar device, which includes a cylinder, inside which is a lever piston pivoted to make a reciprocating motion and a rotating piston mounted eccentrically in a bearing to make a rotating motion, as we...	10/13/2009
7311077	Rotary positive displacement machine with orbiting piston A casing has a circular cylindrical internal surface delimiting an operating chamber. An orbiting piston is mounted so as to orbit about a chamber axis which is the axis of the internal surface. The orbiting piston has a circular cylindrical external surface, a gene...	12/25/2007
7308884	Rotary engine A circular column-shaped flywheel rotor 4 that rotates inside a rotor housing 1 in which a cylindrical-shaped hollow section is formed; a piston head 34 that is located on the flywheel rotor 4 so that it can come in sliding contact with t...	12/18/2007
7117841	K.Engine K. Engine (KE) is rotary internal combustion engine, combination Reciprocating Engine (RE) and Gas Turbine (GT) comprising coaxially separate piston rotary compressor and turbine having housings with annular channels, outside combustion chambers (CH) unified with ro...	10/10/2006
6978758	High Efficiency rotary piston combustion engine A computer controlled rotary piston engine includes a blower housing containing a rotatable impeller assembly, for pushing ambient air into the housing, and forcing the air to pass through a normally open valve mechanism into a combustion chamber. A plurality of fue...	12/27/2005
6968823	Rotary internal combustion engine A rotary engine is provided that comprises a compression cylinder and combustion cylinder divided by a separation wall. Air or a fuel/air mixture is drawn into the compression cylinder, compressed, and then transferred to the combustion cylinder. The compressed air ...	11/29/2005
6955153	Asymmetric compete expansion rotary engine cycle A thermodynamic cycle for an internal combustion rotary engine is disclosed which achieves high efficiency through an asymmetry between the volume of air charge before compression and the volume of expanded air at the completion of expansion. The expanded volume is ...	10/18/2005
6907855	Geroter type internal combustion engine An internal combustion engine including a housing, an intake port defined in the housing, an exhaust port defined in the housing, and a generally cylindrical combustion chamber defined in the housing. The combustion chamber communicates with the intake port and the ...	06/21/2005
6799549	Combustion and exhaust heads for fluid turbine engines An internal combustion rotary engine which includes a housing encased rotor having: cam actuated inwardly and outwardly extending vanes, a combustion chamber communicating with a fluid inlet port to the vanes within the housing, and an exhaust chamber ...	10/05/2004
6772728	Supercharged radial vane rotary device A family of sliding vane rotary power devices provides two and four-phase internal combustion engines, as well as serving as pumps and compressors. All of these devices have an improved donut shaped rotor assembly having an integrated axial pump portion, an end shaf...	08/10/2004
6766783	Rotary internal combustion engine A rotary internal combustion engine has a shaft, a compression chamber, an ignition chamber, a center wall, a first rotor, and a second rotor. The shaft is fixed to the rotors while being rotatably mounted to the compression and ignition chambers. The compression ch...	07/27/2004
6662774	Rotary internal combustion engine A rotary internal combustion engine is disclosed that includes a housing defining a cavity with a central axis, and the cavity of the housing is divided into three compartments. The first compartment forms a suction chamber, and the third compartment form...	12/16/2003
6606973	Rotary engine A rotary engine utilizes an expansion chamber and an oscillating rotary piston to capture the energy of expanding combustion gases through out substantially all of each revolution of the piston. The movement of the oscillating rotary piston is guided by t...	08/19/2003
6352063	Rotary piston machines A rotary piston machine adapts the Stirling principle and can operate as an engine or a heat pump. Two variable volume units (1,4) have n-lobed chambers (3,6) rotatable about a common axis at a first speed. Each chamber contains an (n+1) sided piston (2,5...	03/05/2002
6349696	Rotary piston internal combustion engine A rotary piston internal combustion engine comprises a substantially circular-cylindrical compression space (3) and a substantially circular-cylindrical working space (4), rotary pistons (7, 8) which can rotate together about an axis of the compression sp...	02/26/2002
6347611	Rotary engine with a plurality of stationary adjacent combustion chambers An engine system includes a plurality of adjacent expansion rotor housings each having a generally cylindrical expansion rotor cavity. The expansion rotor cavity of each expansion rotor housing is substantially aligned with the expansion rotor cavity of e...	02/19/2002
5865152	Rotary piston internal combustion engine An internal combustion engine designed to convert thermal energy into mechanical energy according to the same general principle employed in conventional reciprocating piston-and-cylinder combustion engines, wherein the equivalent of the cylinder of the co...	02/02/1999
5797366	Toroidal internal combustion engine An internal combustion engine comprises a toroidal combustion chamber housing within which slides at least one piston. The combustion chamber housing has a circumferential longitudinal slot sealed by a ring seal to which the pistons are rigidly attached. ...	08/25/1998
5755197	Rotary engine A rotary internal combustion engine is disclosed having a housing with a compression chamber and an expansion chamber which can be separate chambers with separate rotors located therein or a combined chamber with a single double-lobed rotor located therei...	05/26/1998
5251595	Rotor engine The rotor engine of the present invention includes air compressing components and engine components provided with a combustion chamber. One of the air-compressing components is rotor air-compressing and the other is piston air compressing. Air intake groo...	10/12/1993
5247916	Rotary engine A rotary engine is provided comprising a housing (12) and a rotor (14) comprising a compression eccentric (20) and a power eccentric (22). Gases are compressed within the space formed by the housing (12), the compression eccentric (20) and a compression g...	09/28/1993
4860704	Hinge valved rotary engine with separate compression and expansion sections A hinge valved rotary engine has separate compression and expansion chambers with respective smooth surfaced compression and expansion rotors mounted therein on a common engine shaft. The chambers are connected by a combustor unit which receives compresse...	08/29/1989
4741164	Combustion engine having fuel cut-off at idle speed and compressed air starting and method of operation A rotary internal combustion engine which includes a lobed combustion rotor and a similar compression rotor on a common shaft and firing chambers external to the combustion and compression cavities. The compression rotor compresses excess amounts of air d...	05/03/1988
4702205	External combustion vane engine with conformable vanes An external combustion engine including a rotary motor equipped with non-sliding vanes but conformable to the shapes of the envelopes within which they are contained and forced to operate and a combustion member comprising a sleeve in which a piston is fr...	10/27/1987
4671231	Unidirectional rotary piston internal combustion engine The unidirectional piston internal combustion engine is composed of a stator and a rotor. Annular grooves are cut on the rotor. Each groove is partitioned with a revolving valve gate to form into one "cylinder" between the rotor and the stator. Pistons ar...	06/09/1987
4658779	Internal combustion engine of three rotation piston The machine consists of 3 rotors which are attached to a common central shaft. The pistons move in a circular path within three separate chambers in three sections of the engine. The combustion of a combustible substance (gasoline) is carried out in two e...	04/21/1987
4657009	Closed passage type equi-pressure combustion rotary engine A rotary engine including a compressor, an external pressure vessel, an internal pressure vessel defining a combustion chamber, and a fuel nozzle opening into the combustion chamber. Both compressed air and fuel are pumped into the fuel nozzle. Water is s...	04/14/1987
4620514	Internal combustion rotary power plant system An internal combustion power plant system provides a rotary engine and a rotary fuel/air mixture compressor for the rotary engine on a common driveshaft, coaxially mounting each end and supported between them by a gearbox which synchronizes operation of v...	11/04/1986
4448161	Internal combustion rotary power plant system An internal combustion power plant system provides a rotary engine and a rotary fuel/air mixture compressor for the rotary engine on a common driveshaft, coaxially mounting each end and supported between them by a gearbox which synchronizes operation of v...	05/15/1984
4444164	Internal combustion rotary power plant system An internal combustion power plant system provides a rotary engine and a rotary fuel/air mixture compressor for the rotary engine on a common driveshaft, coaxially mounting each end and supported between them by a gearbox which synchronizes operation of v...	04/24/1984
4444165	Internal combustion rotary power plant system An internal combustion power plant system provides a rotary engine and a rotary fuel/air mixture compressor for the rotary engine on a common driveshaft, coaxially mounting each end and supported between them by a gearbox which synchronizes operation of v...	04/24/1984
4424779	Internal combustion rotary power plant system An internal combustion power plant system provides a rotary engine and a rotary fuel/air mixture compressor for the rotary engine on a common driveshaft, coaxially mounting each end and supported between them by a gearbox which synchronizes operation of v...	01/10/1984
4240394	Rotary engine A rotary engine with rotary tubular valves for gas inlet and for gas outlet is described. The engine is of the type wherein at least one rotor is eccentrically rotated on a shaft in a housing with variable volume compartments between the rotor and housing...	12/23/1980
4212282	Positive displacement, continuous combustion rotary engine A rotary pump or motor has a rotor with no relatively movable parts and has the valving incorporated in the housing with the valving actuated by cams on the rotor. The air or gas flow through the pump or motor is by way of passages in the rotor on opposit...	07/15/1980
4170213	Rotary engine A rotary engine, preferably operating on the 4-event Otto cycle, has a stator ring stationary on a base which also supports a shaft rotational about an axis. The stator ring has oppostie faces normal to the axis. A pair of rotor rings concentric with and ...	10/09/1979

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Class 123/237 - Abutment