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| Number | Title | Issue Date |
| 7171941 | Positive displacement rotary device and method of use A positive displacement rotary device and method of use are provided. The rotary device includes coupled chamber halves with a drive disc having at least one drive plate rotatably engaged with the drive disc. The drive disc is mounted on a drive shaft and positioned... | 02/06/2007 |
| 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 |
| 6988482 | Dual rotor internal combustion engine An engine including a housing formed with a pair of side-by-side intersecting substantially cylindrical cavities, and a pair of counter-rotating power rotors rotatably mounted within the cavities. The pair of power rotors include intermeshing lobes that each define ... | 01/24/2006 |
| 6935300 | Rotary engine A rotary engine having a housing and a first and second intersecting cavity disposed therein. The rotary engine includes a rotor rotatably mounted in the first cavity, the rotor and the housing defining an annular chamber therebetween, and a piston extending radiall... | 08/30/2005 |
| 6877476 | Internal combustion engine An apparatus that can be utilized as an internal combustion engine, a compressor, a pump or the like has an indexer which defines a plurality of slots. A pinwheel has a plurality of pins which, when the pinwheel and the indexer are rotated, engaged a respective slot... | 04/12/2005 |
| 6782866 | Rotary machine and thermal cycle A rotary machine having a housing with rotary components disclosed within. The rotary machine is configurable as an internal combustion rotary engine, an external combustion rotary engine, a gas compressor, a vacuum pump, a liquid pump, a drive turbine, or a drive t... | 08/31/2004 |
| 6672275 | Rotary machine and thermal cycle A rotary machine having a housing with rotary components disclosed within. The rotary machine is configurable as an internal combustion rotary engine, an external combustion rotary engine, a gas compressor, a vacuum pump, a liquid pump, a drive turbine, o... | 01/06/2004 |
| 6550443 | Radial vane rotary internal combustion engine A rotary internal combustion engine has a cylindrical rotor which rotates in a cylindrical rotor chamber of a stator. A cylindrical peripheral surface of the rotor rotates equidistantly from the housing wall of the rotor housing. A plurality of vanes proj... | 04/22/2003 |
| 6484687 | Rotary machine and thermal cycle A rotary machine having a housing with rotary components disclosed within. The rotary machine is configurable as an internal combustion rotary engine, an external combustion rotary engine, a gas compressor, a vacuum pump, a liquid pump, a drive turbine, o... | 11/26/2002 |
| 6302079 | Dual ignition and controlled intake rotary motor and method of operation The present invention is directed toward a rotary combustion motor and method of operation. The rotary combustion engine has dual rotors that are driven by timed combustions of fuel in a large combustion chamber and a small combustion chamber. Intake valv... | 10/16/2001 |
| 6079386 | Rotary machine A rotary machine has two rotors (16,18) mounted for rotation on parallel axes, each in one of two intersecting cylindrical chambers (12,14). The rotor (16) has a hub (24) and a flap (26) extending radially from the hub into close proximity with, but not i... | 06/27/2000 |
| 6003486 | Radial vane rotary internal combustion engine A rotary internal combustion engine has a cylindrical rotor which rotates in a cylindrical rotor chamber of a stator. A cylindrical peripheral surface of the rotor rotates equidistantly from the housing wall of the rotor housing. A plurality of vanes proj... | 12/21/1999 |
| 5520147 | Rotary motor or engine having a rotational gate valve An engine block mounts one or more rotors 16 within cylindrical rotor bores that are partially overlapped by cylindrical gate valve bores. A rotary gate valve is mounted within the gate valve bore and partially overlaps the rotating rotor. Angularly space... | 05/28/1996 |
| 5154149 | Rotary motor/pump A rotary motor/pump operating from pressurized elastic fluids (steam, and gases of all types), and a pump for either elastic or incompressible liquid fluids. With a combustion chamber (52) installed, motor (20) will also operate as a gas engine. The motor... | 10/13/1992 |
| 4825827 | Shaft power generator A rotary combustion engine has two segregated chambers which communicate with each other via passageways. Combustion occurs in the first chamber and expansion occurs in the second chamber. Each chamber includes two sidewise abutting cylinder lobes with a ... | 05/02/1989 |
| 4813388 | Rotary engine A rotary engine having combustion and expansion chambers provided respectively with a pair of cylindrical hubs, each chamber having a pair of pistonlike rotors with a configuration making it possible that any one of the combustion pockets continues to clo... | 03/21/1989 |
| 4696268 | Rotary piston internal combustion engine with water injection A rotary piston machine consisting of several circular, axially in series, on a shaft mounted, piston rotors, each piston rotor having a piston running along an associated, stationary working chamber wall of a circular cylindrical working chamber and bein... | 09/29/1987 |
| 4393829 | Rotary engine A rotary engine has separate combustion chambers and expansion chambers. A two-step combustion cycle provides for a burning step in the combustion chambers, and a separate combustion step in the expansion chambers. During operation, the rotary engine comp... | 07/19/1983 |
| 4202315 | Single cycle rotary engine with constant fuel feeding A single cycle, rotary combustion engine having constant fuel feeding. A circular housing defines an annular chamber through which a complementally curved pistonhead travels and works only upon the explosive or combustion stroke. A drive shaft is supporte... | 05/13/1980 |
| 4003348 | Rotary internal combustion engine A rotary internal combustion engine which comprises a casing, a main shaft journalled in said casing, a rotor mounted on said main shaft for rotation therewith and having in its periphery alternate twisted and sloped recesses and walls, shafts mounted in ... | 01/18/1977 |
