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| Number | Title | Issue Date |
| 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 |
| 7066115 | Internal combustion engine/hydraulic motor/fluid pump provided with opposite pistons An internal combustion engine has a pair of opposed pistons held within an elliptical guide of the engine housing. The pistons reciprocate within a cylinder attached to a shaft. A combustion chamber is formed within the shaft and positioned to be between the pistons... | 06/27/2006 |
| 6904877 | Piston motion modifiable internal combustion engine An internal combustion engine (10) including at least two radial cylinders (17) disposed with their axes coplanar and equi-angular located relative to each other. The cylinders (17) meet to form a common combustion chamber (18). A piston ... | 06/14/2005 |
| 6637383 | Pivoting piston rotary power device A rotary power device of the swinging piston type has a cylindrical rotor mounted between internal and external portions of a stator. The internal stator provides intake and exhaust channels and may hold an igniter. The external stator includes two axiall... | 10/28/2003 |
| 6619243 | Pivoting piston rotary power device A rotary power device of the swinging piston type comprises a cylindrical rotor mounted between internal and external portions of a stator. The internal portion of the stator provides intake and exhaust channels and may hold an igniter. The external porti... | 09/16/2003 |
| 6230670 | Engine generator A mechanical fuel cell, in which a novel two cycle type, six cylinder, twin cam, internal combustion rotary engine, operable generally at constant speed, drives a plurality of magnets over a stationary wire coil to generate electrical energy.... | 05/15/2001 |
| 6161508 | Valve system in a rotary radial-piston engine The invention concerns a radial-piston engine of rotary type of the kind having a valve system comprising apertured disc rings arranged in intersliding relationship, one of said rings being stationary while the other one is arranged to take part in the ro... | 12/19/2000 |
| 6119639 | Power machine cooling The present invention is for cooling combustion engines of the kind in which two pistons are working against each other in a common cylinder bore and having a common combustion space. The invention is for a liquid cooling of such a power machine, preferab... | 09/19/2000 |
| 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 |
| 5636599 | Cylinder assembly A unitary cylinder useful in internal combustion engines having external threads at one end for a connection with the engine; the cylinder providing internal bearing support to an associated piston mounted internally thereof and external bearing support t... | 06/10/1997 |
| 5419288 | Spherical piston radial action engine A rotary internal combustion engine comprising a housing containing a rotatable cylinder having a circular wall containing at least two rows of radially extending circular passageways forming compression and power engine cylinders, respectively, displaced... | 05/30/1995 |
| 5415135 | Four stroke continuous cycle radial piston engine An rotary internal combustion engine consisting of a rotatable cylinder made up of fuel charge and multiple working segments rotating in unison. The fuel charge and working segments each contain a plurality of radially arranged cylinders open at both ends... | 05/16/1995 |
| 5357911 | Four-stroke radial-piston engine On the rotary drive shaft of a four stroke engine is non-rotationally mounted a hub supporting four cylinders wherein pistons are arranged for reciprocal movement radially towards the hub. The hub is providing with a combustion chamber having common inlet... | 10/25/1994 |
| 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 |
| 5257599 | External-internal rotary combustion engine An internal combustion engine in which various engine functions are carried out simultaneously rather than sequentially with the result that engine operation is smoother, less subject to vibrational forces, and has greater efficiency due to the eliminatio... | 11/02/1993 |
| 5211138 | Rotary internal combustion engine 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 ... | 05/18/1993 |
| 5161378 | Rotary internal combustion engine 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 ... | 11/10/1992 |
| 5090372 | Rotary internal combustion engine 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 ... | 02/25/1992 |
| 5080050 | Rotary engine A rotary internal combustion engine having spherical pistons mounted in radially arranged cylinders formed in a stacked series of rotatable cylindrical members. A stationary cam surface is located around the rotatable member to maintain contact with the p... | 01/14/1992 |
| 4974553 | Rotary internal combustion engine 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 ... | 12/04/1990 |
| 4653438 | Rotary engine A four cycle internal combustion, rotary engine is disclosed in which a cylindrical rotor having plural arcuately spaced, radially extending, piston carrying cylinders is mounted about a coaxially aligned central combustion chamber and main bearing for ro... | 03/31/1987 |
| 4573437 | Self-propelled vehicle A self-propelled vehicle includes a body and a set of four internal-force generating devices, in the form of radial piston engines. Each device has a central axis about which some internal portions rotate. The four devices are configured in two opposed pa... | 03/04/1986 |
| 4478179 | Radial piston engines An internal combustion engine combines the efficiency of a radial engine with the practicality of a piston and crankshaft arrangement. A stationary frame supports a stationary sun gear, and a rotor is pivoted about the axis of the sun gear. The rotor carr... | 10/23/1984 |
| 4336686 | Constant volume, continuous external combustion rotary engine with piston compressor and expander Constant volume, continuous external combustion rotary engine which incorporates at least one radial piston compressor, at least one continuous-combustion chamber, at least one radial piston expander together with a means to supply fuel to the combustion ... | 06/29/1982 |
| 4177771 | Rotary engines with free reciprocating-rotating pistons and jet thrust drive Rotary power engines driven by explosive or expansive media have pistons which reciprocate in cylinder cavities of a rotor at opposite sides of the rotor axis and which contact the walls of a stator by means of rollers. The rotor is turned by the reactive... | 12/11/1979 |
| 4051819 | Rotary block engine A rotary-block engine is provided with an eccentrically mounted cylinder block about the main drive shaft. The radial cylinders of the cylinder block each contain a reciprocating piston which is also eccentrically mounted about a secondary shaft, so that ... | 10/04/1977 |
| 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 |
| 3931810 | Rotary-piston internal combustion engine A rotary-piston internal combustion engine having one or any number of rotary pistons, mounted in a cylindrical cylinder block, the cylinder block being mounted for rotation in an elliptical casing, on a central hub associated with said casing. A central ... | 01/13/1976 |
