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| Number | Title | Issue Date |
| 7958862 | Rotary positive displacement combustor engine The present invention relates to the field of combustion engines and more specifically to a rotary positive displacement combustor engine. The device employs a scroll compressor and a scroll expander with an orbital shaft displaced between the compressor and expande... | 06/14/2011 |
| 7341042 | Rotary positive displacement control system and apparatus A rotary positive displacement control system and apparatus includes a transmission assembly, at least a compression assembly and buffer assembly, and an expansion assembly, the buffer assembly disposed between the compression and expansion assembly. The compression... | 03/11/2008 |
| 7231894 | Rotary positive displacement machine A rotary displacement machine includes a casing having a circular cylindrical internal surface and a rotor disposed in the chamber mounted to orbit about a chamber axis, with the rotor having a circular cylindrical external surface. A vane member is mounted on the c... | 06/19/2007 |
| 7192263 | Pump and ink jet printer mounting the pump The pump is provided with a housing 31, a rotor 40, and a separating member 50. Rotor 40 and separating member 50 are rotated within housing 40. Separating member 50 separates the cavity of housing 31 into a divided space 77a, a divided space 7b and a ... | 03/20/2007 |
| 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 |
| 7100566 | Operating method for a rotary engine and a rotary internal combustion engine The invention relates to propulsion engineering and particularly to internal-combustion engines. The problem solved by the present invention is improving fuel efficiency and ecological compatibility, as well as providing the ability to set advance ignition at higher... | 09/05/2006 |
| 7077098 | Vane-type piston, four-cycle multi-chamber rotary internal combustion engine A rotary internal combustion engine has a hollow stator with inner surface formed by two concentric cylindrical surfaces, which fluently transit one into the other via ramp surfaces, and a cylindrical rotor, having the same radius as smaller concentric surface of th... | 07/18/2006 |
| 6907855 | Geroter type internal combustion engine An internal combustion engine including a housing, an intake port defined in the housing, an exhaust port defined in the housing, and a generally cylindrical combustion chamber defined in the housing. The combustion chamber communicates with the intake port and the ... | 06/21/2005 |
| 6766783 | Rotary internal combustion engine A rotary internal combustion engine has a shaft, a compression chamber, an ignition chamber, a center wall, a first rotor, and a second rotor. The shaft is fixed to the rotors while being rotatably mounted to the compression and ignition chambers. The compression ch... | 07/27/2004 |
| 6729864 | Rotary positive displacement machine A stator (1) has a circular cylindrical internal surface (3) delimiting an operating chamber. A rotor (4) is mounted so as to be rotatable about the axis (8) of the internal surface (3) and has a cylindrical external surface (11... | 05/04/2004 |
| 6729295 | Rotary piston engine A rotary piston engine having at least two rotary pistons formed as gearwheels mounted in a rotatable fashion on mutually perpendicular axes in a housing that provides a closed seal for the pistons on both faces as well as around their circumferences, is at one poin... | 05/04/2004 |
| 6684847 | Radial vane rotary device A family of sliding vane rotary power devices provides an internal combustion engine, a pump, a compressor, a fluid-driven motor, an expander device, a fluid-driven pump, a compressor or a throttling device. All of these devices have a rotor assembly with... | 02/03/2004 |
| 6543406 | Rotary piston combustion engine The invention relates to a 4-phase rotary piston combustion engine. The embodiment of the engine consists of the engine body (1) where the main cylinder (2) is located; the piston (4) which revolves in the main cylinder and a cylindrical piston body is a ... | 04/08/2003 |
| 6082324 | Rotary internal combustion engine Disclosed is a rotary internal combustion engine of which all operations are circular motions and therefore energy consumed for mechanical transmission is reduced and power output is continuous and stable. The rotary internal combustion engine mainly incl... | 07/04/2000 |
| 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 |
| 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 |
| 5293850 | Scroll type rotary internal combustion engine An internal combustion engine comprising a scroll compressor unit having a pair of scrolls interfitted to each other to define a compression chamber therebetween and a scroll expansion unit having a pair of scrolls interfitted to each other to define an e... | 03/15/1994 |
| 5235945 | Rotary engine system The power and compressor units of an internal combustion rotary engine system utilize a rotor assembly, concentrically mounted on a stationary distributor core member, for rotation about an axis eccentric to the central axis of a cylindrical cavity that p... | 08/17/1993 |
| 5094205 | Scroll-type engine A scroll-type engine includes an orbiting member situated inside the interior volume of the engine to define a compression chamber and an expansion chamber. The orbiting member includes an aperture for transferring an air and fuel mixture from the compres... | 03/10/1992 |
| 4677949 | Scroll type fluid displacement apparatus A scroll type fluid displacement apparatus wherein a pair of cooperating fluid compression scrolls discharge compressed air to a pair of cooperating fluid expansion scrolls which contain combustion of expanding fluid to drive the apparatus, the scrolls ha... | 07/07/1987 |
| 4662329 | Rotary internal combustion engine A rotary internal combustion engine is disclosed in which radially mounted pistons are used to provide compression and ignition, and expansion occurs in a separate rotor having hollow vanes which are driven during the expansion portion of the cycle. The v... | 05/05/1987 |
| 4657009 | Closed passage type equi-pressure combustion rotary engine A rotary engine including a compressor, an external pressure vessel, an internal pressure vessel defining a combustion chamber, and a fuel nozzle opening into the combustion chamber. Both compressed air and fuel are pumped into the fuel nozzle. Water is s... | 04/14/1987 |
| 4638776 | Rotary internal combustion engine A rotary internal combustion engine has adjacent circular compression and combustion rotors fixed to a shaft and each having a radial vane sliding on an inner surface of a surrounding eccentric circular chamber, and an arcuate transfer passage communicati... | 01/27/1987 |
| 4476826 | Vane type rotary internal combustion engine with transfer valve in rotor A rotary internal combustion engine having a stationary casing, and a rotor mounted for rotation about an axis eccentric to the casing forming a crescent shaped compression chamber and a separate crescent shaped expansion chamber. Intake and exhaust ports... | 10/16/1984 |
| 4422419 | Rotary internal combustion engine A prime mover which is constituted by a compressor casing having a combustion gas inlet, a compressor rotor rotatably mounted in the compressor casing and having at least one vane movable radially of the rotor and resiliently sealingly engaged with the in... | 12/27/1983 |
| 4212282 | Positive displacement, continuous combustion rotary engine A rotary pump or motor has a rotor with no relatively movable parts and has the valving incorporated in the housing with the valving actuated by cams on the rotor. The air or gas flow through the pump or motor is by way of passages in the rotor on opposit... | 07/15/1980 |
| 3995601 | Rotary internal combustion engine A rotary internal combustion engine including a single shaft supporting two rotors recessed to form working chambers in adjacent sections of a housing with a cylindrical interior, one rotor performing the intake and compression functions and the other, th... | 12/07/1976 |
| 3951109 | Rotary internal combustion engine A rotary internal combustion engine with the rotor having separate power and compressor sections in side-by-side relation secured to the same shaft so that they rotate together and are separated by a separating plate. These sections have, at their outer p... | 04/20/1976 |
| 3951110 | Rotary engine arrangement A rotary internal combustion engine wherein the compression and the power functions are produced by a single rotor with the compression function being achieved by means of vanes that move longitudinally of the axis of rotation of the rotor and cooperate w... | 04/20/1976 |
| 3951111 | Energy converter This engine or energy converter has a casing comprising coaxial spaced sections each having a cavity bounded by opposed parallel flat inner side surfaces merging with semi-cylindrical top and bottom inner surfaces and a rotor coaxial with said sections, h... | 04/20/1976 |
| 3942484 | Impeller type engine An impeller type engine is disclosed which includes two cover members joined to form a housing, two cam members disposed in the housing facing each other to form a sinuous track of uniform width, a shuttle slidably disposed in the track, an impeller to ca... | 03/09/1976 |
