Class 123/43A - Parallel to shaft

Subclass of Class 123 - Internal-combustion engines
No. of patents: 38
Last issue date: 12/30/2008

Number	Title	Issue Date
7469662	Homogeneous charge compression ignition engine with combustion phasing The relative combustion phasing of a homogenous charge compression ignition engine is controlled by controlling the introduction of ions and free radicals to cylinders in the engine. The engine has an engine housing with at least a first and second cylinder and an i...	12/30/2008
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
7357101	Engine system for multi-fluid operation A system for an engine, comprising of an injector coupled to the engine and configured to inject fuel to a cylinder of the engine; a first reservoir holding a first fluid containing at least a fraction of gasoline; a second reservoir holding a second fluid containin...	04/15/2008
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
7210445	Piston-cam engine A piston-cam engine includes a drive cylinder, a drive piston operably disposed therein having a piston head and a shaft, a support frame having a drive shaft rotatably movably connected thereto, a cam connected to the drive shaft having a peripheral surface and hav...	05/01/2007
7175887	Method of coating a fluorocarbon resin A first member is configured to undergo sliding contact with a surface of a second member. The surface of the first member is roughened by irradiating the surface of the first member with a laser to form first recesses in the surface of the first member. The surface...	02/13/2007
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
7117827	Means for treatment of the gases of combustion engines and the transmission of their power The disclosure relates to fluid working devices including reciprocating internal combustion engines and pumps. A number of arrangements for pistons and cylinders of unconventional configuration are described, mostly intended for use in IC engines operating without c...	10/10/2006
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
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
6938589	Variable displacement engine An internal combustion engine having at least one piston with an adjustable stroke length. The engine includes a connecting rod attached to the piston and a crankshaft. The crankshaft has a journal portion that extends along a length that is non-perpendicular to a m...	09/06/2005
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
6672263	Reciprocating and rotary internal combustion engine, compressor and pump A rotary engine, pump or compressor with a intake/exhaust ports in end plates and a rotatably mounted block mounted in a framework. In an embodiment cylinder sets are mounted in the block and each includes opposing cylinders with ends which include transf...	01/06/2004
6494171	Axial piston machines A two or four stroke internal combustion engine has a ported plate with a series of intake and exhaust ports connected respectively to an air intake and an exhaust system. A shaft is rotatable relative to the ported plate. the shaft carries a crank shaft ...	12/17/2002
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
6250262	Axial piston machines An engine/pump having a crank shaft with a shaft axis and a crank axis oblique to the shaft axis which intersect with each other. Piston/cylinder assemblies rotate about the shaft axis and have a reciprocal axis between its top dead center and bottom dead...	06/26/2001
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
5636561	Volumetric fluid machine equipped with pistons without connecting rods A machine is disclosed that may be configured as a pump, a compressor or an engine. The machine displaces volume by means of pistons that are connected to a driveshaft without oscillating connecting rods. Cylinders are disposed in a rotating cylinder bloc...	06/10/1997
5601055	Rotary vee engine with supply piston induction A rotary internal combustion engine having a plurality of pairs of angled pistons, each pair having a power piston and a corresponding supply piston. As the power piston of a pair fires to provide rotation for the engine, the corresponding supply piston d...	02/11/1997
5456220	Cross-over rod internal combustion engine A cross-over rod internal combustion engine (10). The engine (10) includes a power train including a receiving cylinder (12) and a power output cylinder (34) disposed at a right angle to each other and coupled by a plurality of rods (40), each defining a ...	10/10/1995
5159902	Rotary vee engine with through-piston induction A rotary vee engine with through-piston induction includes a housing supporting a pair of rotors positioned in an obtuse angular relation and having pluralities of cylinders mounted thereon about respective rotor axes. Aligned cylinders in the opposite ro...	11/03/1992
5070825	Rotating piston diesel engine An internal combustion engine (20) has a plurality of pistons (106) reciprocating within cylinders (34) and means to translate the reciprocating motion of said pistons into rotary motion. As the cylinders (34) rotate in an engine cavity (49) about a drive...	12/10/1991
5029558	Rotary vee engine A bent axis rotary piston engine which includes features improving its operational characteristics. The engine provides the capability of dual output power, improved cooling and gas flow through the engine, supercharging and improved scavenging of the exh...	07/09/1991
5014653	Rotary vee engine A bent axis rotary piston engine which includes features improving its operational characteristics. The engine provides the capability of dual output power, improved cooling and gas flow through the engine, supercharging and improved scavenging of the exh...	05/14/1991
5009198	Rotary vee engine A bent axis rotary piston engine which includes features improving its operational characteristics. The engine provides the capability of dual output power, improved cooling and gas flow through the engine, supercharging and improved scavenging of the exh...	04/23/1991
4960082	Rotary vee engine A bent axis rotary piston engine which includes features improving its operational characteristics. The engine provides the capability of dual output power, improved cooling and gas flow through the engine, supercharging and improved scavenging of the exh...	10/02/1990
4867107	Rotary vee engine A bent axis rotary piston engine which includes features improving its operational characteristics. The engine provides the capability of dual output power, improved cooling and gas flow through the engine, supercharing and improved scavenging of the exha...	09/19/1989
4779579	Rotary engine A bank of piston and cylinder assemblies is formed in a cylinder block and is mounted for rotation within bearings. The piston rods are operatively connected to the pistons and bearing supports on an angled plate journalled for rotation at one end of the ...	10/25/1988
4648358	Rotary vee engine An internal combustion engine having two rotating cylinder blocks in each of which is formed a plurality of cylinders to receive portions of pistons that extend partially into each cylinder block. The cylinder blocks are angled relative to one another and...	03/10/1987
4363294	Piston and cylinder machines A piston and cylinder machine, e.g. an engine or pump, in which the cylinder rotates about a first axis from which the cylinder is spaced, and the piston rotates about a second axis inclined to the first with the result that during the rotation, the pisto...	12/14/1982
4138930	Piston and cylinder machines A piston and cylinder machine of the kind in which there is a wobble mechanism for reciprocating the piston in the cylinder or an arrangement in which a piston assembly and a cylinder assembly rotate about respective inclined axes so that such rotation is...	02/13/1979
4060060	Valving system for compressors, engines and the like An improvement in a rotary vee device that includes relative rotational and reciprocal motion between the interior walls of the cylinder and the exterior walls of the pistons characterized by each piston having first flow areas defined on its periphery an...	11/29/1977
4022168	Two-cycle rotary-reciprocal-engine A two-cycle reciprocal, rotary, internal combustion engine having a plurality of piston cylinders mounted symmetrically around a cylindrical central supply core; each piston cylinder contains two oppositely reciprocating pistons having a common central co...	05/10/1977
3973531	Engine with compressor and bypass for combustible mixture An improved engine, particularly of the rotary type, or so-called angle piston type, having conventional components and characterized by a compressor serving as a supercharger interposed between the carburetor and the engine intake ports for compressing t...	08/10/1976
3970055	Uniflow-type external combustion engine featuring double expansion and rotary drive An external combustion engine system adapted to utilize any of a number of expansible gases including steam, freon, thiophene, etc. The engine comprises a piston-driven unit which utilizes uniflow principles but is substantially more efficient than the co...	07/20/1976
3968776	Rotary crankless machine A rotary crankless machine in which there is a rotary shaft, a rotary cylinder block, and a stationary housing, all concentrically disposed about a common axis and in which the housing has a central annular manifold block with inlet and outlet passages di...	07/13/1976
3939809	Axial-piston combustion engine Axial-piston combustion engine having a rotating drum journaled in a housing and having therein a number of pistons and the usual cylinder bores, an inclined crank disc coupled with the drum, the disc being supported against the encountered gas pressures ...	02/24/1976

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Class 123/43A - Parallel to shaft