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| Number | Title | Issue Date |
| 7849832 | Rotary piston machine A rotary piston machine has a housing in which are arranged at least two pistons which are able to revolve together in the housing about an axis of rotation which is fixed with respect to the housing, the pistons being mounted slidingly in a piston cage which is mou... | 12/14/2010 |
| 7451738 | Turbocombustion engine A Turbocombustion engine for conversation of combustible fuel to rotating energy includes a cylinder, piston, connecting rod and crankshaft system for suction and compression and a rotor for expansion and exhaust. Combustible fuel is compressed within a combustion c... | 11/18/2008 |
| 7311077 | Rotary positive displacement machine with orbiting piston A casing has a circular cylindrical internal surface delimiting an operating chamber. An orbiting piston is mounted so as to orbit about a chamber axis which is the axis of the internal surface. The orbiting piston has a circular cylindrical external surface, a gene... | 12/25/2007 |
| 7076951 | Discrete step rotary actuator A discrete step rotary actuator (1) comprises a stator (2), a rotor (3) and at least an actuating element (10) made with a shape memory active material, the actuating element (10) having a first portion (11) anchored to said... | 07/18/2006 |
| 6688276 | Internal combustion engine of circular impulsion The engine includes a cylindrical rotor, set up in the interior of a stator, limited by two flat surfaces forming a first chamber to provided the admission phase and the compression phase and another chamber to provided the expansion phase (D1) and the ex... | 02/10/2004 |
| 5562079 | Low-temperature, near-adiabatic engine A novel, internal combustion engine includes a cylinder, a head closing one end of the cylinder and a piston slidably mounted in the cylinder for reciprocating motion, in the usual manner, which reciprocation is converted into rotary motion by, for exampl... | 10/08/1996 |
| 5220893 | Rotary internal combustion engine A rotary internal combustion engine includes a stationary housing having one or more housing slots extending to a housing interface surface and a rotor, having one or more rotor slots extending to a rotor interface surface turning adjacent to the housing ... | 06/22/1993 |
| 5181490 | Rotary engine A rotary internal combustion engine including a housing dividing a substantially circular rotor chamber and a drive shaft extending through this chamber. A circular rotor is mounted in the chamber on the drive shaft and has a diameter less than the diamet... | 01/26/1993 |
| 4380220 | Internal combustion engine A four cycle internal combustion engine comprising a housing defining an internal compartment having one or more peripheral lobes, an inner body mounted in the housing for non-rotational orbital movement and having one or more peripheral lobes correspondi... | 04/19/1983 |
| 4207736 | Rotary piston machine A rotary piston machine comprising a housing, a central shaft fixedly connected to said housing, a cylinder mounted in said housing for rotation about said shaft, a cam on said shaft, a piston mounted within said cylinder, said piston having a recess func... | 06/17/1980 |
| 4078526 | Rotary piston engine A rotary piston engine whose two pistons each have one or more sectors of greater radial dimensions sealingly engaging inner walls of two cylindrical, intersecting cavities respectively receiving the pistons, and one or more sectors of smaller radial dime... | 03/14/1978 |
