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| Number | Title | Issue Date |
| 8151759 | Orbital engine The present disclosure includes an engine having a torodial piston chamber, at least one piston positioned in the torodial piston chamber, and at least one engine valve positioned to interact with the torodial piston chamber. ... | 04/10/2012 |
| 7644695 | Radial axis, spherical based rotary machines A rotary machine which can be either a pump or an internal combustion engine has a housing enclosing a plurality of rotor spindles lying on the surface of an imaginary cone for driving an output shaft positioned at the vertex of the imaginary cone. The spindles have... | 01/12/2010 |
| 7341041 | Toroidal engine with variable displacement volume A novel rotary engine of the kind having a toroidal cylinder and a set of pistons on a rotating circular piston assembly provides instantaneous adjustment of the displacement volume of the engine by varying the intake and expansion stroke length on the circular path... | 03/11/2008 |
| 7305963 | Blade-thru-slot combustion engine, compressor, pump and motor This is simple and efficient rotary machine that can be implemented as compressor, pump, motor and mainly as internal combustion engine. The engine comprises a housing, a rotor(s) with a radial blade(s), a chamber(s) swept by the blade(s), an intersecting planar val... | 12/11/2007 |
| 7182061 | Rotary internal combustion engine A rotary internal combustion engine comprising at least one but preferably a plurality of two operating chambers each having a toroidal path of travel on an interior thereof and an interactive piston assembly comprising a pair of first or driven pistons connected to... | 02/27/2007 |
| 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 |
| 7059294 | Orbital engine An engine is disclosed including at least one piston which is positioned within a toroidal piston chamber. A method of operating an engine is disclosed wherein a piston is advanced in a toroidal piston chamber past a first valve and the first valve is closed to form... | 06/13/2006 |
| 6119649 | Rotating piston engine An engine with one or more ring cylinders of round cross-section is disclosed. In each ring cylinder are provided at least two rotary pistons whose cross-sections match that of the ring cylinder, the pistons being mounted on the circumference of a rotary ... | 09/19/2000 |
| 4620515 | Rotary fluid-handling mechanism constructed as an internal combustion engine A rotary mechanism for handling fluids constructed as an internal combustion engine (diesel or otherwise), has a rotor internally cylindrically recessed from one end to receive, in close fitting, sealing relationship, a stationary cylindrical support for ... | 11/04/1986 |
| 4558669 | Ignition apparatus for a rotary internal combustion engine An improved seal apparatus for a rotary machine including a rotary internal combustion engine. The machine generally comprises a rotor rotatably disposed in a circular working section in a hollow machine housing, a divider valve, and for an internal combu... | 12/17/1985 |
| 4167933 | Engine system The present invention teaches a novel internal combustion engine wherein a unique structural means of transmitting combustion-generated forces and motion is incorporated. A journalled rotor assembly having combustion cavities in each of opposing faces the... | 09/18/1979 |
| 4013046 | Rotary engine A rotary engine utilizing hydrocarbon fuel having a circular rotor with one or more spaced pistons which are in sealing relationship with a generally circular torus. One or more compression expansion valves which rotate about an axis tangent to the torus ... | 03/22/1977 |
| 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 |
