Class 123/44R - Radial

Subclass of Class 123 - Internal-combustion engines
Definition: Internal-combustion engines differing from those occurring
No. of patents: 36
Last issue date: 03/16/2010

Number	Title	Issue Date
7677208	Radial rotary engine with energy storage The present invention is directed to a rotary engine power transmission system for use in vehicular as well as other applications. The power system includes a rotary engine or pump, which may be pneumatic or hydraulic in configuration. The power system includes comp...	03/16/2010
7451726	Peter Sporea's fuel injector rotary motor This Rotary engine with pistons, a stator and a power chamber is comprising a Stator, which contains the power chamber for combusting a mixture of fuel and air; an air intake slot, exhaust slots and the power chamber located along an inside periphery of stator; a Ro...	11/18/2008
7421986	Rotary radial internal combustion piston engine The engine comprises a housing, a rotor, which is mounted in the housing for rotation about its axis. The rotor has a pair radially opposite cylinders spaced radially and apart from its axis of rotation. A piston spaced in each of the cylinders. Gas intake and gas e...	09/09/2008
7353784	Rotary internal combustion engine A rotary internal combustion engine has a circular inner chamber, which houses a plurality of cylinders with reciprocating pistons that move in a radial direction towards and away from the center of the inner chamber. A flywheel with distinct vanes or portions is po...	04/08/2008
7290335	Drive chain assembly restraint An apparatus for and method of installing a drive chain (201) uses one or more restraints (101) that do not interfere with drive chain function in an operating engine nor fall off during installation. One or more restraints (101) near a sprocket...	11/06/2007
7219631	High torque, low velocity, internal combustion engine An Internal Combustion Engine including a plurality of reciprocating pistons disposed about the periphery of a central housing, and a pair of drive cams responsive to the displacement of the pistons for driving one or more output drive shafts. A piston rod cross mem...	05/22/2007
7007914	Slurry mixer constrictor valve An apparatus and method for controlling the flow of a slurry is provided which includes using a constrictor valve on a mixing and dispensing apparatus. The constrictor valve includes a first guide plate and a second guide plate that are spaced a distance apart along...	03/07/2006
7004119	Apparatus and method for rotating sleeve engine hydrodynamic seal A hydrodynamic face seal 100 for sealing between the cylinder head 300 and rotating sleeve 200 of a rotating liner engine. The face of the face seal provides a sealing zone 130 for maintaining a lubricant layer of about 2 micrometers betw...	02/28/2006
6928977	Adapter, to interface counter-rotating torque producing engine mechanisms with stationary support accessories, for torque free output and torque sensitive environments The present invention is a novel hydraulic/electric, rotating interface for torque producing engines, including internal combustion engines, which enables a rigidly mounted motor to isolate the power/torque producing components from other stationary accessories, to ...	08/16/2005
6895906	Rotary two-stroke engine A rotary two-stroke engine including a multi-cylinder block rotatably mounted on two main bearings within an engine housing, a crankshaft journalled for rotation within said main bearings, indirectly geared at a ratio of 2:1 to said cylinder block and piston members...	05/24/2005
6651609	Nagata cycle rotary engine An internal combustion rotary engine using vanes to create separate combustion chambers within the engine and capable of performing all four Otto cycles--intake, compression, combustion and exhaust--in each separate combustion chamber. Each Otto cycle is ...	11/25/2003
6591791	Spark-ignition rotary internal-combustion engine A spark-ignition rotary internal-combustion engine, having a plurality of pistons (7) which perform a reciprocating motion inside cylinders (6) arranged so as to be equally angularly spaced on a same circumference, the cylinders (6) being formed in a rota...	07/15/2003
6526925	Piston driven rotary engine A rotary device which can be an internal combustion engine, and methods, for receiving fluid input including fuel and air, and generating a fluid discharge. The rotary device includes a stationary outer housing, a rotatable cylinder housing, and a rotatab...	03/04/2003
6378470	Rotary engine and helicopter application In a rotary engine having rotating cylinders which burns a fuel which is not mixed with oil there is a real problem of centrifugal force form the rotating engine causing oil to flow into the combustion chambers. The disclosed rotary engine has oil reservo...	04/30/2002
6279518	Rotary engine having a conical rotor A rotary engine includes a central rotor having a frustoconical shape with an ellipsoidal groove machined into the outer surface of the rotor. The rotor is rotated by the movement of a series of pistons mounted in cylinders surrounding the rotor. A series...	08/28/2001
6205960	Rotary and reciprocating internal combustion engine and compressor Disclosed is a self-sealing valve and cylinder configuration, an internal combustion rotary engine, or pump or compressor, with a rotating central housing which includes at least one cylinder aperture, a non-rotating timing pulley mount concentrically pos...	03/27/2001
6016737	Transmission The present invention is for a means for transmission of force whereby linear movement is transferred into rotating movement or reverse. The invention is primarily intended to be used by combustion engines. The invention is for a means to transmit force b...	01/25/2000
5954017	Engine having a rotary block In a preferred embodiment, an engine, including: a housing having a cylindrical inner surface; a first circular block rotatably disposed within the housing and coaxial therewith, the first circular block having its outer surface circumjacent the inner sur...	09/21/1999
5875744	Rotary and reciprocating internal combustion engine and compressor Disclosed is a self-sealing valve and cylinder configuration, an internal combustion rotary engine, or pump or compressor, with a rotating central housing which includes at least one cylinder aperture, a non-rotating timing pulley mount concentrically pos...	03/02/1999
5758609	Rotary type internal combustion motor An internal combustion rotary engine with multiple cylinders and rotary crankcase supported on a pair of engine stub shafts. The connecting rods are each connected to a different center arranged evenly around the drive center of a stepdrive element. The s...	06/02/1998
5343832	Combination rotary internal combustion engine and ducted fan A rotary internal combustion engine wherein the cylinders making up the engine block are radially disposed in a common plane and rotate with the output shaft. The engine block rotates within a surrounding cam surface and the pistons in each cylinder move ...	09/06/1994
4836149	Rotating cylinder block piston-cylinder engine A rotating cylinder block piston-cylinder engine has a stator, a hollow rotor housing rotatably mounted on the stator means for rotation around a rotor housing axis of rotation, a plurality of cylinders radially positioned in the peripheral wall of the ho...	06/06/1989
4625683	Rotating cylinder internal combustion engine A rotary internal combustion engine having a plurality of radially aligned cylinders collectively supported for common rotation about a shaft member having one portion with a first axis, with a piston block including a piston for each of the cylinders sli...	12/02/1986
4612882	Rotating cylinder internal combustion engine A rotary internal combustion engine having a plurality of radially aligned cylinders collectively supported for common rotation about a first axis, with a piston block including a piston for each of the cylinders slidable within each cylinder and supporte...	09/23/1986
4531481	Rotary cylinder diesel engine A rotary 2-cycle diesel engine has five circumferentially spaced cylindrical combustion chambers orbiting in one direction for engagement with four spherical pistons mounted for parallel orbit in the opposite direction. The pistons and combustion chambers...	07/30/1985
4530316	Rotating cylinder internal combustion engine There is provided the combination of a stationary frame, a stationary sun gear on the frame, and a rotary frame pivoted about the axis of the sun gear. The rotary frame carries three crankshafts at substantially 120° intervals, and for each crankshaft th...	07/23/1985
4291651	Internal combustion engine A pump supplies pressurized lubricant to an internal combustion engine from an external reservoir through a closed loop system. Delivery channels extending through the crankshaft, connecting rod and other components, supply the pressurized lubricant to th...	09/29/1981
4263880	Rotary engine A rotary engine, especially a rotary diesel engine, utilizing a pair of substantially identical cooperating rotor assemblies associated with a pair of spaced, parallel stationary intake-exhaust gas ports. Each rotor assembly includes a hub portion immedia...	04/28/1981
4154199	Reciprocating and rotary internal combustion engine A reciprocating and rotary internal combustion engine has a housing provided with an intake port and an exhaust port, a rotary member adapted to continuously rotate within the housing and provided with a plurality of cylindrical holes or bores in which a ...	05/15/1979
4106443	Rotary internal combustion engine A rotary internal combustion engine is described and shown having two piston and cylinder assemblies rotating about a single axis. The pistons reciprocate in rotating cylinders having a four cycle internal combustion engine process to receive air and fuel...	08/15/1978
4073216	Valve control apparatus for rotary engines Valve control apparatus adapted for use in a rotary engine or pump having a cylinder block rotatable about an axis and including a plurality of cylinders and corresponding pistons radially arranged about the axis, a plurality of valves each disposed in a ...	02/14/1978
4062330	Rotary engine intake and exhaust system An intake/exhaust system adapted for use in rotary engines having a rotatable cylinder block with a plurality of cylinders radially arranged in the block. A plurality of passages are defined in the cylinder block to extend between the cylinders and a plur...	12/13/1977
4040398	Four-cycle rotary engine and method of operation therefor Apparatus for four-cycle rotary engine operation includes a cylinder block rotatable about a first axis and having six cylinders uniformly spaced and radially arranged about the axis, a set of six pistons rotatable about a second axis which is offset from...	08/09/1977
4003351	Rotary engine Disclosed is a short stroke, rapid fire, continuous power rotary engine which can be affixed to the body of a vehicle or other stationary position, depending upon its intended use. The engine includes a housing within which is a rotating block which house...	01/18/1977
3968777	Internal combustion engine A cylinder has a head and a bottom. A piston is reciprocable in the cylinder and defines a power chamber with said head and an air compression chamber with said bottom. Controlled intake and exhaust ports are formed in said cylinder and adapted to communi...	07/13/1976
3931809	Rotary internal combustion engine The claimed improved drive means for a rotary internal combustion engine includes means for connecting the piston drive rod to the output drive shaft of the engine which defines a moment arm of variable length for rotating the output drive shaft....	01/13/1976

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Class 123/44R - Radial