Patents for F01C 1 - Rotary-piston machines or engines (9,235)
05/2008
05/01/2008US20080101972 Single-Way Valve For Scroll Compressor
04/2008
04/29/2008US7364415 Twin piston fluid compressor or pump apparatus with an annular bore housing
04/24/2008WO2008048165A1 Pneumatic vane motor
04/24/2008US20080095652 Roudong Volume Variation Method for Fluid Machinery and Its Mechanisms and Applications
04/24/2008US20080092893 Compressor control system for a portable ventilator
04/24/2008US20080092892 Compressor Control System for a Portable Ventilator
04/24/2008DE202008000615U1 Kreismotor Motor circuit
04/22/2008USRE40257 Compressor pulse width modulation
04/22/2008US7361004 Compression unit of orbiting vane compressor
04/22/2008US7361003 Slider adapting apparatus for orbiting vane compressors
04/17/2008WO2008044456A1 Rotary expander
04/17/2008WO2008043664A1 Rotary piston internal combustion engine
04/17/2008WO2008024987A3 Rotary pump with valve and vane rotors
04/17/2008DE19600679B4 Schubtriebwerk für Flugzeuge mit Verbundzyklus Thrust engine for aircraft with composite cycle
04/17/2008DE102007045980A1 Inner-axial rotary piston machine i.e. screwing machine, for motor vehicle, has rotors axially elongated in its geometries according to rotary ratio and rotatably implemented, where axes of rotors are arranged together in v-shape
04/16/2008EP1911930A1 Vane-type rotary actuator or an internal combustion machine
04/16/2008EP1910645A1 Compressed air micromotor
04/16/2008CN201047305Y High-efficiency, mute and non-shock engines
04/16/2008CN101163900A Hydraulic hybrid powertrain system
04/16/2008CN101163861A Scroll expander
04/16/2008CN101162113A Structure of wiper decompressor for trans-critical CO2 refrigerating cycle system
04/10/2008WO2008042154A2 Crankshadft with variable stroke and oil seal
04/10/2008WO2007115300A3 Reduction gear pump
04/10/2008US20080085208 Oil Pump Rotor Assembly
04/10/2008US20080085207 Oil-flooded screw compressor with axial-thrust balancing device
04/10/2008US20080085204 Scroll compressor with titanium Oldham coupling
04/10/2008DE102007012428A1 Central-axis rotary piston internal combustion engine for use as load engine for accumulators in hybrid motor vehicle, has round cylindrical rotor housing closed by drive-output-side and drive-output-opposite housing cover
04/08/2008US7353796 Rotary machine
04/03/2008WO2008038366A1 Scroll expander
04/03/2008DE102007003833A1 Rotary piston internal combustion engine i.e. spark-ignition engine, for vehicle, has cylindrical chamber with outlet opening that is provided for exhaust gas and access opening that is provided for ignition process
04/03/2008CA2606034A1 Skinning of progressive cavity apparatus
04/03/2008CA2562971A1 Post-rotating, retrorotating, and birotating prime movers (kinetic variants)
04/02/2008EP1499793A4 Scroll type fluid displacement apparatus with fully compliant floating scrolls
04/02/2008CN100378334C Scroll compressor
04/02/2008CN100378295C Muliti-scroll type fluid machinery jointed by multiple units
04/01/2008US7350501 Planetary rotary internal combustion engine
03/2008
03/27/2008WO2008036198A2 Compressor assembly having vibration attenuating structure
03/27/2008WO2008034327A1 Structure of the fixed shfat for rotary piston
03/27/2008US20080075617 Rotary fluid pressure device with modular multi-speed control mechanism
03/27/2008US20080075615 Power steering pump
03/27/2008DE102007042002A1 Thermal engine e.g. for Stirling, Otto or Diesel engines, has external rotor and inner rotor with rotors rotate and move around their own axis where rotors rest and rotors having teeth
03/26/2008EP1773434A4 Method and apparatus for reducing noise in a roots-type blower
03/26/2008CN201041054Y Rotor engine with boosting flywheel
03/26/2008CN100376815C Lubricating-fluid infusion apparatus
03/25/2008US7347676 System for the construction of pumps, compressor, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure
03/25/2008US7347675 Vane rotary expansion engine
03/25/2008US7347673 Fluid machine served as expansion device and compression device
03/25/2008CA2468169C Internal combustion engine
03/20/2008WO2007144748A3 Bi-directional disc-valve motor and improved valve-seating mechanism therefor
03/20/2008US20080069714 Compressor having counter-weight cup
03/20/2008US20080069713 Scroll compressor with discharge valve
03/20/2008DE102006041505A1 Energy generating arrangement for tornado turbine, has identical turbines shifted around specified degrees such that rotation blade shaft and central drive shaft are extended on both sides based on transmissions for coupling of turbines
03/20/2008DE102006041157A1 Internal combustion engine, has rotating blades provided with compressor, where compressed air-fuel mixture flows through inlet port and opening cavity during rotation of rotor with common contact angle that is constant
03/19/2008EP1899580A2 Orbiting piston machines
03/19/2008EP1899579A2 Internal combustion machine provided with rotationally arranged combustion chambers and pistons, in particular for non-stationary drive assemblies
03/19/2008EP1503034A4 Gerotor type machine
03/19/2008EP1197634B1 Rotary cylinder device
03/18/2008US7344364 Fluid machine
03/18/2008US7343894 Modular rotary engine
03/14/2008CA2559656A1 Process for lining a fluid helical device stator
03/13/2008WO2008031012A2 Long life telescoping gear pumps and motors
03/13/2008WO2008029426A1 Volumetric machine comprising a toroidal chamber, divided into variable-volume sections by one or more separation valves, in which at least one toroidal- sector piston slides
03/13/2008US20080060623 Supercharger with gear case cooling fan
03/13/2008US20080060622 Supercharger with housing internal noise attenuation
03/12/2008EP1896693A1 Pneumatic vane motor with by-pass means
03/12/2008CN101142374A Pulsed fluid supply to positive displacement expander
03/11/2008US7341440 Scroll compressor
03/11/2008US7341041 Toroidal engine with variable displacement volume
03/11/2008CA2192764C Integrin receptor antagonists
03/06/2008WO2008026428A1 Multi-stage rotary fluid machine and refrigeration cycle device
03/06/2008US20080056926 Gear pump
03/06/2008US20080056924 Volumetric efficiency in a charge cooled or air cooled wankel rotary engine
03/06/2008US20080056923 Rotary compressor
03/06/2008US20080053438 Portable ventilator system
03/06/2008US20080053384 Piston having diode laser hardened primary compression ring groove and method of making the same
03/06/2008DE102006040933A1 Two stage stage rotation piston compressor for fluids, has automatically controlled radial blades as hot-cold machine or hot gas motor, housing with housing cover of rotor, in which four rotor slits are provided
03/06/2008DE102006016790B3 Zellenpumpe Cell pump
03/05/2008EP1895093A1 Multi stage rotary expander and refrigeration cycle with the same
03/05/2008CN101135327A Pneumatic motor
03/05/2008CN101135301A Rotary radial piston machine
03/04/2008US7338265 Scroll machine with single plate floating seal
03/04/2008US7338264 Recesses for pressure equalization in a scroll compressor
03/04/2008US7338263 Method and apparatus for compressor re-manufacture
02/2008
02/28/2008WO2008024987A2 Rotary pump with valve and vane rotors
02/28/2008WO2008023417A1 Oldham's coupling structure of scroll fluid machine
02/28/2008WO2008023381A1 Modified revolving piston internal combustion engine
02/28/2008US20080050262 Rotary pump having a valve rotor and one or more vane rotors and methods for pumping fluids
02/28/2008US20080050259 Highly reinforced elastomer for use in downhole stators
02/28/2008CA2660426A1 Orbital engine
02/27/2008EP1891299A1 Rotary oscillating piston machine and method
02/27/2008EP1409861B1 Rotary internal combustion engine
02/27/2008CN201027549Y Improved impeller vane structure of pneumatic tool driving rotor
02/27/2008CN101131157A Scroll compressor
02/26/2008US7335005 Gear pump with prestressed gear teeth
02/25/2008CA2598813A1 Highly reinforced elastomer for use in downhole stators
02/21/2008WO2008019575A1 Rotary expanding or compressing mechanism provided in fluid channel with blades for traversing shaft
02/21/2008WO2008019506A1 A rotary machine having frusto-conical elements
02/21/2008WO2007062626B1 Water explosion engine, method, and device
02/21/2008US20080044308 Gear pump
02/21/2008US20080044306 Device-Operating Module
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