Class 123/43AA - Parallel to shaft cam track

Subclass of Class 123 - Internal-combustion engines
No. of patents: 32
Last issue date: 05/25/2010

Number	Title	Issue Date
7721685	Rotary cylindrical power device This invention is a cylindrical rotary power device, usable as and convertible to a rotary internal combustion engine, pump, and/or compressor. The device incorporates an ingenious design and composition utilizing bilateral symmetry to minimize power losses and maxi...	05/25/2010
7428885	Rotary engine employing undulating ramp driven by paired reciprocating pistons A rotary gasoline engine has two sets of pistons, which move reciprocally. The reciprocal output of said pistons is coupled to an undulating ramp, which converts the reciprocal motion to rotary motion. The engine casing has a hollow center though which no shaft runs...	09/30/2008
7210429	Rotating positive displacement engine An engine including a stationary housing; a cylinder bank rotatably mounted to the housing about a central longitudinal axis, the cylinder bank having a plurality of cylinders therein radially distanced from and parallel to the central longitudinal axis, each cylind...	05/01/2007
7191641	Rotary position sensing assembly for internal combustion engine A rotary position sensing assembly for an internal combustion engine includes a mounting socket rigidly attached to a structural support of a rotating component and a position sensor slidably engaged with the socket. A slidably engageable retainer maintains the sens...	03/20/2007
7117837	Unit for supplying combustion air to the cylinders of an endothermic engine Unit for supplying combustion air to the cylinders of an endothermic engine is provided with a manifold having an air inlet orifice and a plurality of supply ducts. Each supply duct extends between a first opening communicating with the manifold and an outlet orific...	10/10/2006
7116004	Method for regulating the operation of a device for generating electric energy by means of a generator driven by a free-piston internal combustion engine The present invention relates to a method for controlling an electrical generator comprising a two-stroke free piston internal combustion engine having a first cylinder and a second cylinder aligned on a common axis, a first piston pair comprising a first piston and...	10/03/2006
7051699	Split mode operation for fuel injection systems Methods for operating a fuel injection system of an engine. A first number of the fuel injectors is operated in a first mode during a first engine cycle. The first mode has a first set of fuel delivery characteristics, including at least one fuel shot per fuel injec...	05/30/2006
6986328	Rotary piston machine A rotary piston machine includes a housing provided with a cylindrical inner wall and at least one piston disposed inside the housing and rotating around a longitudinal central axis of the housing while moving back and forth in a linear manner, under the control of ...	01/17/2006
6948458	Two-way cylinder engine An internal combustion engine wherein each cylinder has two pistons placed in the opposite direction and attached together by an arm-type connecting rod and wherein a cylinder head has a rotor blade rotating in the middle between the upper cylinder head and the lowe...	09/27/2005
6948473	4-cycle, rotary, electromagnetic, internal combustion engines Four-cycle rotary engines, with an even number of hinged-hub impeller vanes, utilize dependently rotating, joined, hinged-hub impellers, with interdigitated, alternating hub sections, on a shared, power output shaft, and electromagnetic fields, and timing of impelle...	09/27/2005
6938590	Rotary piston motor An internal combustion, reciprocating piston, motor has a rotating cylinder block. A journal bearing supports a roller that is fastened to a piston connecting rod or fastened to the piston so the roller pushes against an inclined surface on a stationary guide track ...	09/06/2005
6915776	Premixed charge compression ignition engine with optimal combustion control A premixed charge compression ignition engine, and a control system, is provided which effectively initiates combustion by compression ignition and maintains stable combustion while achieving extremely low nitrous oxide emissions, good overall efficiency and accepta...	07/12/2005
6834636	Single-ended barrel engine with double-ended, double roller pistons An internal combustion barrel engine includes an engine housing with a first and second end. An elongated power shaft is longitudinally disposed in the engine housing and defines a longitudinal axis. A combustion cylinder and a guide cylinder are spaced apart and di...	12/28/2004
6698394	Homogenous charge compression ignition and barrel engines A homogenous charge compression ignition barrel engine includes an engine housing with a first and second end. An elongated power shaft is longitudinally disposed in the engine housing and defines a longitudinal axis of the engine. A plurality of cylinder...	03/02/2004
6662775	Integral air compressor for boost air in barrel engine In a double-ended barrel engine, a compression cylinder and a combustion cylinder share a common axis, with a combustion piston and a compression piston being interconnected by a connecting rod. The compression end of the engine includes a valve plate ass...	12/16/2003
6601547	Axial piston rotary power device An axial piston rotary power device has a housing enclosing a cylindrical chamber. An axially undulating guide cam is medially fixed to the inner annular wall of the chamber. A central cylindrical stator protrudes axially through the chamber from one end ...	08/05/2003
6601548	Axial piston rotary power device An axial piston rotary power device can be configured as a four-cycle and two-cycle internal combustion engine, a compressor, a pump, a fluid-driven motor or an expander. The device includes an external stator housing, an internal axial stator and a rotar...	08/05/2003
6401671	Draw rotary engine A reciprocating piston rotary internal combustion engine; comprising a non-rotating circular cylinder engine block containing a rotor on which piston reciprocate at right angles to the direction of centrifugal force, and parallel with the rotor, and at ri...	06/11/2002
6155214	Axial piston rotary engines A rotary internal combustion engine (200) of the type having a rotor assembly (216) supported in a housing (210) for rotation about a longitudinal axis (217), the housing having two spaced apart end plates (212, 213) and the axis being the axis of rotatio...	12/05/2000
6145429	Rotor assembly for rotary power device A rotor assembly for a rotary power device consists of two opposed rotor sections which when assembled in the stator of the device have limited movement parallel to the axis of rotation of the rotor assembly. Each rotor section includes through running cy...	11/14/2000
5813372	Axial piston rotary engine A rotary internal combustion engine of the type having pistons mounted for reciprocatory movement in respective cylinders which are arranged in equally-spaced relationship around a longitudinal axis of rotation, said axis being the axis of rotation of an ...	09/29/1998
5351657	Modular power unit A rotary power device of modular construction is disclosed in which one or more pistons are reciprocably received in a cylinder sleeve, and the sleeve is rotatably supported in a bore within a housing. A cam and follower mechanism acting between the housi...	10/04/1994
5323738	Two-cycle, rotary, reciprocating piston engine A two-cycle, reciprocal piston, rotary combustion engine is provided including an outer casing, a housing disposed within and journaled from the casing about a central longitudinal axis with the housing including a plurality of parallel circularly arrange...	06/28/1994
5209190	Rotary power device A rotary power device comprises an open ended stationary housing defining an interior having a sinusoidal cam track disposed therein and end walls closing each open end of the housing. At least one fluid inlet port and one fluid outlet port is provided in...	05/11/1993
5103778	Rotary cylinder head for barrel type engine Disclosed is a rotating cylinder head for use on a barrel type engine. The cylinder head rotates about the central axis of the engine driven by the main drive shaft. The cylinder head contains an intake port and exhaust port. As the cylinder head rotates,...	04/14/1992
4287858	Internal combustion engine Two piston plates are mounted for rotation and axial reciprocation in the bore of a cylindrical housing, and at right angles to each other. Each plate carries on opposite ends thereof a pair of pistons which reciprocate in spaced bores formed in a pair of...	09/08/1981
4250843	Engine with revolutionary internal-combustion unit and compression ratio auto-controlled device An engine internal-combustion engine having cylinders secured symmetrically spaced on a wheel rotor equipped with a main shaft and with their piston rods extending outwardly against a substantially saddle-shaped cam. The operation of the engine will make ...	02/17/1981
4213427	Rotary engine A four-cycle rotary engine having a generally tubular cylindrical housing with end covers rotatably supporting an output shaft extending axially of the housing, an annular cylinder block assembly, secured to and surrounding the output shaft, has a plurali...	07/22/1980
4195600	Crankcase chamber compression type two cycle internal combustion engines In the engine the side wall of the piston is provided with a perforation at a portion not facing an exhaust port of the cylinder for communicating the cylinder wall with the crankcase chamber....	04/01/1980
4157079	Internal combustion engine and operating cycle A pair of cylindrical rotor are mounted for rotation within a stator and the rotor includes a plurality of cylindrical bores annularly around each axis thereof and parallel to the stator bore. Pistons reciprocate within these bores and connecting rods or ...	06/05/1979
4023542	Load responsive variable stroke internal combustion engine An internal combustion four cycle engine is provided with a plurality of stationarily mounted cylinders radially arranged in equal spaced apart relationship within the inner circumference of a rotatably mounted drive drum and in parallel relationship with...	05/17/1977
4022167	Internal combustion engine and operating cycle A pair of cylindrical rotors are mounted for rotation within a stator and each rotor including a plurality of cylindrical bores annularly around the axis thereof and parallel to the stator bore. Pistons reciprocate within these bores and connecting rods o...	05/10/1977

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Class 123/43AA - Parallel to shaft cam track