Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01C - Rotary-piston or oscillating-piston machines or engines › F01C 1 - Rotary-piston machines or engines
Patents for F01C 1 - Rotary-piston machines or engines (9,235)
10/2008
10/14/2008US7435065 Rotary fluid machine having a swinging bushing with a swing center disposed radially inwardly of an annular midline of an annular piston
10/14/2008US7434563 Rotary engine
10/14/2008CA2347781C Twin helical rotors for installation in displacement machines for compressible media
10/09/2008WO2008121082A1 Rotary internal combustion engine with annular chamber
10/09/2008WO2007084376A3 Rotary scissors action machine
10/09/2008US20080247897 Hydrogen G-Cycle Rotary Internal Combustion Engine
10/09/2008US20080247882 Split-Pressure Dual Pump Hydraulic Fluid Supply System for a Multi-Speed Transmission and Method
10/08/2008CN101283172A Improvements to wankel and similar rotary engines
10/07/2008US7431576 Ductile cast iron scroll compressor
10/07/2008US7431007 Apparatus adapted to perform as compressor, motor, pump and internal combustion engine
10/02/2008WO2008117095A1 Gyratory-piston machine
10/02/2008WO2008116660A1 Rotary piston machine having an outside gear mechanism
10/02/2008US20080240967 Rotary Displacement Machines Having Rotors of Asymmetrical Profile
10/02/2008US20080240957 Scroll fluid machine
10/02/2008US20080240956 Scroll fluid machine
10/02/2008US20080236179 Injection system and method for refrigeration system compressor
10/02/2008DE102007015626A1 Hydraulische Maschine Hydraulic machine
10/02/2008DE102007015170A1 Fluid energy machine, e.g. turbines, pumps, compressors and engines, has circular housing with fluid inlet and fluid outlet and circular rotating body, which is coaxially arranged and pivoted in interior of housing
10/02/2008DE102007015009A1 Rotationskolbenmaschine mit Außendrehmechanismus Rotary piston engine with external rotation mechanism
10/01/2008EP1541802B1 Rotary internal combustion engine
10/01/2008EP1448873B1 Rotary volumetric machine
09/2008
09/25/2008US20080232992 Fluid Machine
09/25/2008US20080232991 Rotary fluid machine
09/25/2008US20080232990 Scroll compressor with compliant retainer
09/25/2008DE112006001186T5 Verbesserte Flügelpumpe Improved vane pump
09/24/2008EP1971754A1 Rotary piston machine having two piston mounts which are arranged on an axle
09/18/2008WO2008111017A1 Improved geared hydraulic apparatus
09/18/2008WO2008110155A1 Pump or motor
09/18/2008WO2008110059A1 Rotor engine
09/18/2008US20080226484 Internal gear pump
09/17/2008EP1392978B1 Dual capacity compressor
09/17/2008CN101265857A Refrigerating apparatus and fluid machine therefor
09/16/2008US7425121 Rotary vane pump
09/12/2008WO2008108743A1 Rotary internal combustion engine with annular chamber
09/12/2008WO2008108436A1 Power generation system
09/12/2008WO2008108435A1 Circulating internal pressure engine and power generation system
09/12/2008WO2008108434A1 Circulating internal pressure engine and power generation system
09/12/2008WO2008108433A1 Power generation system
09/12/2008WO2008108432A1 Circulating internal pressure engine and power generation system
09/12/2008WO2008108062A1 Two-stage rotary type expander, expander-integrated compressor, and refrigeration cycle device
09/12/2008WO2008107547A1 Rotary motor with deformable rhomb
09/12/2008WO2008106886A1 A twin screw type internal combustion engine
09/11/2008US20080219871 Scroll Compressor
09/09/2008US7421998 Modular engine
09/09/2008CA2504474C Improved screw rotor device
09/04/2008US20080213117 Pump Rotor
09/04/2008US20080210194 Orbiting Piston Machines
09/04/2008DE102007061833A1 Vane cell machine for use as lubricating oil pump of internal-combustion engine, has vane guiding element with outer guiding surface at which set of inner radial guiding sections of vanes are permanently supported
09/03/2008CN100416103C High pressure roots blower
09/02/2008US7419369 Displacement type expansion machine and fluid machine
09/02/2008US7419365 Compressor with capacity control
09/02/2008CA2348812C Rotary piston engine having a gear pump and an oil metering pump
09/02/2008CA2269211C Compact scroll fluid device
08/2008
08/28/2008US20080206086 Slide Valve
08/28/2008US20080206083 Seal system and scroll type fluid machine
08/28/2008US20080206082 Closed compressor and refrigerating cycle apparatus
08/28/2008US20080202486 Hybrid Cycle Combustion Engine and Methods
08/28/2008US20080202116 Method and Apparatus for Improving the Operation of Positive Displacement Expanders
08/28/2008DE102007009291A1 Rotary piston engine for converting chemically bonded energy into kinetic energy, has rotor subdivided by partition axially into rotor seal segment and compression chamber segment, where partition is firmly connected with rotor housing
08/27/2008EP1911930A4 Vane-type rotary actuator or an internal combustion machine
08/27/2008CN101253310A Rotary displacement type steam engine
08/21/2008US20080199341 Motor and method of operating the same
08/21/2008US20080199340 Screw Displacement Pump
08/21/2008US20080199338 Multistage compression type rotary compressor
08/20/2008EP1957753A1 Rotary motor with intermittent movements of the rotors
08/20/2008CN100412320C Gerotor mechanism for a screw hydraulic machine
08/19/2008US7413424 Gear pump and holding element therefor
08/19/2008US7413422 Compressor including pressure relief mechanism
08/19/2008US7413416 Progressing cavity pump
08/19/2008CA2455662C Hybrid rotary engine
08/14/2008US20080193317 Screw Rotor and Screw Fluid Machine
08/14/2008US20080193314 Rotary compressor
08/14/2008US20080193312 Scroll compressor with discharge valve
08/14/2008US20080190496 Oil pump pressure control device
08/14/2008US20080190392 Peristaltic engine
08/14/2008DE102007006888A1 Gear-wheel motor for internal combustion engine, is contained in housing, which has mixing chamber, injectors, combustion chamber with spark plug, connecting opening, gears with shafts and covers with support
08/13/2008EP1956188A1 Hypocycloid rotary internal combustion engine
08/13/2008EP1954917A1 Vane-type machine and method of utilizing waste heat while using vane-type machines
08/13/2008EP1954916A2 Water explosion engine, method, and device
08/13/2008CN101243241A Energy transfer machine
08/13/2008CN101240799A Scroll machine
08/13/2008CN100410537C Suspension type scroll fluid compressor with omnibearing complying structure
08/13/2008CN100410493C Apparatus adapted to perform as compressor, motor, pump and internal combustion engine
08/12/2008CA2425487C Hinged rotor internal combustion engine
08/07/2008WO2008094384A1 Reflux gas compressor
08/07/2008WO2008092218A1 An internal combustion engine with extended stroke
08/06/2008EP1953337A1 Expander and heat pump using the same
08/06/2008EP1952001A1 Internal combustion engine
08/06/2008CN101235727A Displacement type fluid machine linkage displacement-variable device
08/06/2008CN100408810C Rotation piston device
08/06/2008CN100408809C Electrical power supply system
08/05/2008US7407374 Hydraulic machine
08/05/2008US7407372 Progressing cavity pump or motor
07/2008
07/31/2008WO2008091231A1 Rotary internal combustion engine with external compressor
07/31/2008WO2008091175A1 Rotary piston engine
07/31/2008US20080181804 Drive transmission mechanism between two or more rotary shafts and oil-free fluid machine equipped with the mechanism
07/31/2008US20080181803 Reflux gas compressor
07/31/2008US20080181802 Scroll fluid machine
07/31/2008US20080181801 Powder metal scroll hub joint
07/31/2008DE202008006454U1 Heißgasmotor nach dem Stirlingprinzip Stirling engine according to the Stirling principle
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