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| Number | Title | Issue Date |
| 7762228 | Device-operating module The rotary-piston machine consists of two operating units. The first one comprises a horizontal operating cylinder (1) with cylindrical shaft (5), connected to the main shaft (4) and sealed with rings to the walls of the cylinder (1). The... | 07/27/2010 |
| 7421998 | Modular engine An engine is shown and disclosed having individual components that can be optimized depending upon the situation, application or desired performance of the engine. The individual components perform the intake, compression, combustion, expansion and exhaust elements ... | 09/09/2008 |
| 7347057 | Control of dual-heated absorption heat-transfer machines An absorption, heat-transfer system with an operationally interconnected generator, absorber, condenser, and evaporator; at least two separate heat sources for heating the generator; and a controller for controlling the heat sources. The controller, e.g., a programm... | 03/25/2008 |
| 7314035 | Rotary vane engine and thermodynamic cycle A heat engine having a rotary vane compressor and a rotary vane turbine operates in a highly efficient thermodynamic cycle which includes a power expansion phase up to ambient pressure and a limited temperature constant volume combustion followed by a constant press... | 01/01/2008 |
| 7188602 | Concentric internal combustion rotary engine An internal combustion rotary engine includes a housing having an inlet and an outlet and a rotatable rotor centrally mounted within the housing. The rotor includes a plurality of pockets located about its circumference, the rotor further being connected to a rotor ... | 03/13/2007 |
| 7118361 | Rotary pistons A rotary piston for use in pumps or motors, the piston having a radially movable vanes seated within the pumps rotor. The vanes are biased outwardly and forced inwardly by a cam action of the interior wall of the housing of the piston. Operation of the piston may be... | 10/10/2006 |
| 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 |
| 7062913 | Heat engine A heat engine (10) achieves operational efficiencies by: 1) recovering waste heat from heat engine expander (14) to preheat heat-engine working fluid, 2) using super-heated working fluid from compressor (402) to pre-heat heat-engine working flui... | 06/20/2006 |
| 6978758 | High Efficiency rotary piston combustion engine A computer controlled rotary piston engine includes a blower housing containing a rotatable impeller assembly, for pushing ambient air into the housing, and forcing the air to pass through a normally open valve mechanism into a combustion chamber. A plurality of fue... | 12/27/2005 |
| 6959685 | 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... | 11/01/2005 |
| 6799549 | Combustion and exhaust heads for fluid turbine engines An internal combustion rotary engine which includes a housing encased rotor having: cam actuated inwardly and outwardly extending vanes, a combustion chamber communicating with a fluid inlet port to the vanes within the housing, and an exhaust chamber ... | 10/05/2004 |
| 6772728 | Supercharged radial vane rotary device A family of sliding vane rotary power devices provides two and four-phase internal combustion engines, as well as serving as pumps and compressors. All of these devices have an improved donut shaped rotor assembly having an integrated axial pump portion, an end shaf... | 08/10/2004 |
| 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 |
| 6729296 | Variable vane rotary engine An improved rotary engine that harmoniously produces multiple, sequential cycles. A main housing is comprised of a concentric stator sandwiched between a front and an aft wall enclosing a cylindrical inner space. A network of combustors are stationed about the stato... | 05/04/2004 |
| 6662774 | Rotary internal combustion engine A rotary internal combustion engine is disclosed that includes a housing defining a cavity with a central axis, and the cavity of the housing is divided into three compartments. The first compartment forms a suction chamber, and the third compartment form... | 12/16/2003 |
| 6659065 | Flexible vane rotary engine An internal combustion rotary engine that employs resilient, flexible vanes attached to a rotor that spins within an oval cavity in a housing. The vanes, which are long enough to extend slightly radially from the rotor by a distance beyond the interior su... | 12/09/2003 |
| 6550442 | Rotary machine used as a four-cycle rotary combustion engine, a compressor, a vacuum pump, a steam engine and a high pressure water motor A new mechanical movement consisting of a main stationary cylinder into which there is a rotary cylinder configured to rotate about a fixed rotor axis, and through which a certain number of vanes are anchored at the center of the main cylinder. The vanes ... | 04/22/2003 |
| 6539913 | Rotary internal combustion engine The present invention provides an internal combustion engine and a method of manufacturing the internal combustion engine. The internal combustion engine comprises a housing, a first rotor, first and second impellers and a compression cam. In a preferred ... | 04/01/2003 |
| 6526937 | Economical eccentric internal combustion engine An eccentric engine has been used for many different purposes, such as in a piston motor, in a steam engines in a compressor and pump. An eccentric engine include two or more cylinders (stator and rotors) located one within other. The stator has two secti... | 03/04/2003 |
| 6467450 | Radial combustion motor A radial Combustion motor is provided that includes a compression section, or a combustion section, or both. Each of the combustion section and the compression section includes a cylindrical rotor that rotates in a cylindrical chamber. An inner wall of ea... | 10/22/2002 |
| 6457451 | Rotary piston engine A rotary piston engine (20) is shown that includes a housing (22) having a toroidal working chamber with inlet (56) and exhaust (54) ports. First and second piston assemblies (30 and 32), each of which includes at least one pair of diametrically opposed p... | 10/01/2002 |
| 6354262 | Rotary engine and compressor A rotary type internal combustion engine having stationary stator housing and a rotor, which is rotatably mounted within the stator housing. The rotor has a thrust face, which is exposed to combusted gases within the engine. The thrust face has a variable... | 03/12/2002 |
| 6189502 | Grooved double combustion chamber rotary engine A grooved double combustion chamber rotary engine includes a rotary compression unit, a rotary gas motor unit, and a combustion chamber, the rotary compression unit being connected to the respective rotary gas motor unit and the combustion chamber to cons... | 02/20/2001 |
| 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 |
| 5709188 | Heat engine A rotary vane combustion engine, having a compressor, a combustion chamber, an expander, sensors for sensing critical conditions, and a microprocessor for controlling the engine responsive to sensed conditions. Projection of vanes from the compressor or e... | 01/20/1998 |
| 5640938 | Rotary engine with post compression magazine A rotary internal combustion engine includes a housing having a separate compression chamber and power chamber formed therein with a fuel and air mixture reservoir disposed intermediate the two chambers. A plenum chamber is disposed in the housing interme... | 06/24/1997 |
| 5636610 | Multi-chamber rotary piston-engine A multi-chamber rotary piston internal combustion engine includes an engine housing having interior walls defining a plurality of internal cylindrical cavities, at least one of the cavities being disposed in a first housing level and at least one other of... | 06/10/1997 |
| 5596963 | Stage combustion rotary engine An engine having one stage of combustion between a rotary compressor and a rotary motor, and another stage of combustion within the motor, includes compressor and motor vane rotors that rotate in respective housing portions on a common drive shaft; first ... | 01/28/1997 |
| 5537974 | Method and apparatus for using exhaust gas condenser to reclaim and filter expansion fluid which has been mixed with combustion gas in combined cycle heat engine expansion process A continuous combustion, pinned vane type, positive displacement, rotary compressor and expander engine system comprises a compressor which outputs compressed air, a combustor which effects continuous combustion of a combustion gas mixture containing fuel... | 07/23/1996 |
| 5522356 | Method and apparatus for transferring heat energy from engine housing to expansion fluid employed in continuous combustion, pinned vane type, integrated rotary compressor-expander engine system A continuous combustion, pinned vane type, positive displacement, rotary compressor and expander engine system comprises a compressor which outputs compressed air, a combustor which effects continuous combustion of a combustion gas mixture containing fuel... | 06/04/1996 |
| 5511525 | Sliding-blade heat engine with vortex combustion chamber A sliding-blade heat engine having a vortex combustion chamber and oval-shaped turbine and compressor chambers with cylindrical turbine and compressor rotors rotatably mounted eccentrically therein, Each rotor has at least two rectangular blades slidably ... | 04/30/1996 |
| 5479887 | Rotary internal combustion engine and compressor A rotary internal combustion engine composed of three identical rotors and a main shaft going through the centers of the three rotors. The first rotor is used for compressing a fuel/air mixture, the second rotor is used for creating power and the third ro... | 01/02/1996 |
| 5427068 | Rotary compressor and engine machine system A rotary device employs an outer housing having an interior surface with a central axis associated therewith, an outer hub assembly, disposed inside said outer housing, having a central axis associated therewith located at a distance from the central axis... | 06/27/1995 |
| 5423297 | Two stage rotary vaned internal combustion engine A two stage rotary vaned internal combustion engine using cylindrical rotors that spin inside a pair of specially shaped chambers with extendable vanes that seal the space between the spinning rotor and the stationary chamber each rotor and chamber form a... | 06/13/1995 |
| 5352295 | Rotary vane engine This invention relates to a combined rotary engine with an eccentric rotor and a single vane. The engine comprises at least a set consisting of a compressing portion and a working portion with similar structure combined side by side, and sharing a common ... | 10/04/1994 |
| 5076228 | Rotary vane engine A rotary van engine composed of less parts than previous types. Rotors turn unidirectionally, and fire similar to a reciprocating four cylinder 4 cycle in line upright or inverted piston engine. In front section, induction and compression occurs with tran... | 12/31/1991 |
| 4702205 | External combustion vane engine with conformable vanes An external combustion engine including a rotary motor equipped with non-sliding vanes but conformable to the shapes of the envelopes within which they are contained and forced to operate and a combustion member comprising a sleeve in which a piston is fr... | 10/27/1987 |
| 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 |
| 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 |
| 4572121 | Rotary vane type I.C. engine with built-in scavenging air blower A rotary internal combustion engine consisting of a generally cylindrical housing assembly having three different sections, with a common power shaft eccentrically journalled in the assembly. Each section has a rotor mounted on the power shaft, with six e... | 02/25/1986 |
