F01C 1 - Rotary-piston machines or engines

Patents for F01C 1 - Rotary-piston machines or engines (9,235)
11/2009
11/26/2009	WO2009123489A3 Device with rotary pistons that can be used as a compressor, a pump, a vacuum pump, a turbine, a motor and as other driving and driven hydraulic-pneumatic machines
11/26/2009	WO2009016244A3 Force/thermal-coupling apparatus
11/26/2009	US20090292395 Detection and correction of reverse operation of a compressor in a refrigeration system
11/26/2009	US20090291009 Rotary piston machine
11/25/2009	EP2122126A1 Rotary internal combustion engine with annular chamber
11/25/2009	CN101586523A Noncircular planetary gear hydraulic motor
11/25/2009	CN101586474A Vane type continuous rotating cylinder
11/25/2009	CN101586473A Cryogenic-fluid energy conversion device
11/24/2009	US7621255 Toroidal engine method and apparatus
11/24/2009	US7621254 Internal combustion engine with toroidal cylinders
11/19/2009	WO2009139658A1 Progressive cavity hydraulic machine
11/19/2009	US20090282845 Expander and heat pump using the expander
11/19/2009	CA2719121A1 Progressive cavity hydraulic machine
11/18/2009	CN201347795Y Circular motion piston type internal combustion engine
11/18/2009	CN101583777A Expander-integrated compressor
11/18/2009	CN101581301A Vane pump/motor
11/17/2009	US7618248 Screw compressor with intermediate plate
11/17/2009	US7618246 Eccentric screw pump having conical sealing surfaces
11/17/2009	US7617681 Method and means for controlling a flow through an expander
11/12/2009	WO2009135381A1 An olive-shaped rotary engine
11/12/2009	US20090280021 Hydraulic machine
11/12/2009	US20090280019 Scroll compressor
11/12/2009	US20090277212 Refrigerator oil composition, and refrigerator compressor and refrigeration system using the composition
11/11/2009	CN201344044Y Device for converting air energy to power
11/11/2009	CN101578427A Fluid motor having improved braking effect
11/11/2009	CN101575985A Impeller type pneumatic motor
11/10/2009	US7614863 Rotary pump provided with an axially movable blade
11/10/2009	US7614862 Water-injected screw compressor element
11/10/2009	US7614859 Scroll compressor with certain pressure ratio between discharge pressure and suction pressure and with certain ratio of diameter of orbiting mirror plate and outer diameter of the annular seal
11/10/2009	US7614382 Aspiration plate for planetary rotary internal combustion engine
11/10/2009	US7614337 Rotary radial piston machine
11/05/2009	DE102008058899A1 Vorrichtung zur Erzielung eines variablen Ventilhubs Apparatus for achieving a variable valve
11/05/2009	DE102008050014A1 Zink'sche Tangential-Verbrennung Turbine Zink'sche tangential combustion turbine
10/2009
10/29/2009	WO2009131707A2 Pneumatic mechanical power source
10/29/2009	WO2009129588A1 System for construction of pumps, compressors and rotary engine composed of two rotors with one, two or more displacer's each, that move themselves in the same direction at speeds that are varying and alternativly opposite each other
10/29/2009	US20090266092 Apparatus to sense and control compressor operation in an hvac system
10/29/2009	DE10223145B4 Rotationsverbrennungskraftmaschine Rotary internal combustion engine
10/28/2009	CN101568698A Positive-displacement machine design (variants)
10/27/2009	US7607904 Rotary compressor with low pressure space surrounding outer peripheral face of compression mechanism and discharge passage passing through housing
10/27/2009	US7607437 Compressor control system and method for a portable ventilator
10/22/2009	WO2009127786A1 Rotary combustion engine and hydraulic motor
10/22/2009	DE202004021643U1 Hybridpumpe Hybrid pump
10/22/2009	CA2719377A1 Rotary combustion engine and hydraulic motor
10/21/2009	CN101560888A Inclined rotary piston turbine
10/20/2009	US7604467 Supercharger with housing internal noise attenuation
10/20/2009	US7604465 Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section
10/15/2009	WO2009125608A1 Scroll fluid machine
10/15/2009	WO2009124364A1 Rotational two chamber engine
10/15/2009	US20090257900 Shaft coupling for scroll compressor
10/15/2009	DE202009000592U1 Reihungsfähige, hocheffiziente Antriebsstruktur für unterschiedlich brisante Kraftstoffe Sequence capable, highly efficient drive structure for different explosive fuels
10/14/2009	CN101558217A Rotary piston internal combustion engine
10/13/2009	US7600501 Method for increasing the effect to be produced in a motor, pump or the like
10/08/2009	WO2009121250A1 A positive-displacement mechanism for a rotary fluid machine
10/08/2009	US20090252633 Lobe pump system and method of manufacture
10/08/2009	US20090252631 Magnetic trap for ferrous contaminants in lubricant
10/08/2009	US20090250036 Rotary Engine
10/08/2009	DE10393645B4 Durch mehrere rotationsfeste Elemente verkuppelte Strömungsmaschine mit Vielfachspiralgliedern Through several rotationally fixed elements turbomachine verkuppelte with multiple scroll members
10/08/2009	CA2757899A1 Device with rotary pistons that can be used as a compressor, a pump, a vacuum pump, a turbine, a motor and as other driving and driven hydraulic-pneumatic machines
10/07/2009	CN101550867A Eccentric piston type charging internal combustion engine
10/01/2009	WO2009119003A1 Refrigerating device and expander
10/01/2009	US20090246059 Scroll compressor
10/01/2009	US20090246058 Scroll-type fluid machine
10/01/2009	US20090246057 Scroll compressor
10/01/2009	US20090246056 Sealed type scroll compressor
10/01/2009	US20090246055 Discharge chamber for dual drive scroll compressor
09/2009
09/30/2009	CN101548065A Integral slide valve relief valve
09/30/2009	CN101545382A Electricity generation apparatus
09/30/2009	CN100545423C Rotary expansion machine and fluid machinery
09/30/2009	CN100544686C Intervertebral implant
09/29/2009	US7594323 Methods for designing single-lobe and double-lobe rotors
09/24/2009	WO2009062717A3 Work extraction from downhole progressive cavity devices
09/24/2009	US20090238704 Scroll compressor
09/24/2009	DE102008015031A1 Housing for planetary piston engine, has center part arranged between two lateral units, where center part has sectors, which are separated from each other and spaced in circumferential direction
09/23/2009	EP2103778A1 Rotary vane volumetric compressor or expender
09/23/2009	CN100543307C Scroll compressor
09/22/2009	US7591637 G-rotor pump
09/22/2009	CA2535687C Progressing cavity stator including at least one cast longitudinal section
09/17/2009	WO2009113261A1 Expander
09/17/2009	WO2009094596A3 Compressed air engine and power train system
09/17/2009	DE102008003077A1 Explosion engine for use in vehicle i.e. ship, has rotary pistons, and gear wheels engaging into each other outside inner areas on shafts, where each piston has tooth that retains explosion force so that explosive gas mixture is ignited
09/16/2009	EP2100017A1 Rotary engine with cylinders of different design and volume
09/16/2009	EP2100008A1 Internal combustion engine
09/15/2009	US7588430 Screw compressor
09/15/2009	US7588428 Rotary fluid device performing compression and expansion of fluid within a common cylinder
09/11/2009	WO2009109429A1 Compressor and method for compressing gaseous fuel
09/10/2009	DE102006001288B4 Hydraulische Flügelzellenpumpe Hydraulic vane pump
09/09/2009	EP2098702A1 Top rotating engine
09/09/2009	EP2098685A1 Compressor and method for compressing gaseous fuel
09/09/2009	EP2098684A2 Positive-displacement machine design (variants)
09/09/2009	CN101526012A Radial power rotor engine
09/03/2009	WO2009105957A1 Linkage variable-capacitor machine for positive displacement fluid mechanism
09/03/2009	US20090220366 Slide valve position indicator
09/02/2009	EP2094945A1 Fluid motor having improved braking effect
08/2009
08/27/2009	WO2009104111A1 Rotor-piston internal combustion engine
08/27/2009	WO2009103766A2 Control of a rotary engine
08/27/2009	WO2009085112A3 Nano particle reinforced polymer element for a stator and rotor assembly
08/27/2009	WO2009073760A3 Rotary steam engine
08/27/2009	US20090214371 Multiple rotor fluid transfer engine
08/27/2009	US20090214370 Damping apparatus for scroll compressors for oxygen-generating systems
08/27/2009	CA2716373A1 Rotor-piston internal combustion engine

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