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)
05/2010
05/25/2010US7722342 Pump apparatus and power steering
05/25/2010US7721701 Rotary scissors action machine
05/20/2010WO2010055223A1 Rotary machine of the deformable rhombus type comprising an improved transmission mechanism
05/20/2010WO2010054864A1 Rotary machine
05/20/2010US20100122685 Spherical two stroke engine system
05/18/2010US7717686 Two stage compressor having rotary and scroll type compression mechanisms
05/14/2010WO2010051794A2 Rotary piston engine, control system for actuating a counter piston and method for the cycle-controlled operation of a rotary piston engine
05/13/2010US20100115975 Refrigerant vapor compression system and method of transcritical operation
05/12/2010DE102008055753A1 Drehkolbenmotor sowie Steuerungssystem zur Ansteuerung eines Gegenkolbens A rotary engine and control system for controlling an opposed piston
05/12/2010CN1952813B An adaptive tuning controller for refrigerant pressure action member and control method thereof
05/12/2010CN101115908B Compressor uninstalling valve
05/11/2010US7713038 Scroll fluid machine
05/06/2010WO2010048970A1 Compressor device, pump, and internal combustion engine
05/06/2010US20100111743 Meshing Surfaces For Intersecting Vanes
05/05/2010CN1829854B Compressed air rotary engine
05/05/2010CN1607478B An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
05/05/2010CN101115909B A motor driven by pressure medium supplied from an external pressure source
05/04/2010US7708113 Variable frequency sound attenuator for rotating devices
05/04/2010US7707987 Hydrogen G-cycle rotary internal combustion engine
05/04/2010CA2440304C Rotary positive displacement device
04/2010
04/29/2010WO2010045767A1 A stationary vane type compressor
04/29/2010US20100104463 Geared hydraulic apparatus
04/29/2010US20100104462 Pump or motor
04/29/2010US20100101270 Hermetic compressor and refrigeration cycle having the same
04/29/2010DE202008017551U1 Doma-Rika-Viertaktverbrennungsmotor Doma-Rika-four-stroke internal combustion engine
04/28/2010EP2179139A2 Rotary piston combustion engine
04/28/2010EP2179138A2 Displacement machine according to the spiral principle
04/28/2010CN201443418U Impeller type pneumatic machine
04/28/2010CN201443417U Rotary cylinder type multi-rotor engine
04/28/2010CN1532082B Waste heat utilizing system
04/27/2010US7703433 Rotary internal combustion engine and rotary compressor
04/27/2010CA2573769C Concentric internal combustion rotary engine
04/22/2010WO2010043916A2 Seal assembly and method
04/22/2010US20100098572 High speed gear pump
04/22/2010US20100098570 Variable-speed scroll-type refrigeration compressor
04/22/2010US20100095702 Compressor incorporated with oil separator
04/21/2010EP2176518A2 An apparatus for generating rotary power, an engine and a method of generating rotary power
04/21/2010CN101115907B Compressor device and method for rebuilding the compressor or its structure
04/20/2010US7698818 Method for assembling precision miniature bearings for minisystems and microsystems
04/15/2010WO2010040919A1 Rotary machine with a deformable rhomb having an electromagnetic device
04/15/2010US20100092325 Pneumatic vane motor
04/15/2010US20100092321 Scroll compressor and refrigerating machine having the same
04/15/2010US20100092320 Inlet Screen and Scroll Compressor Incorporating Same
04/15/2010US20100089093 Scroll compressor and refrigerating machine having the same
04/15/2010US20100089062 Cao heat engine and refrigerator
04/14/2010EP2173971A1 Vacuum pump for a motor vehicle engine
04/08/2010US20100086428 Rotor profile for a screw compressor
04/08/2010DE102008050708A1 Rotation piston-slider-internal combustion engine for vehicle, has compressor rotor adjusted at inner housing in sector of specific degrees, and compressor area with inner surface contacted in quarter circular arcs in relation to sliders
04/07/2010EP2172652A1 Fluid machine
04/07/2010EP2171212A1 Rotary piston engine
04/07/2010CN101031702B Volume type expander
04/07/2010CN101002004B Volume type expansion machine and fluid machine
04/01/2010WO2010035891A1 Fluid machine
04/01/2010DE102008050493B3 Rotary piston engine i.e. synchronous jet engine, has half gear wheels with half number of teeth of drive gear wheels, where base semi-radius of teeth on half gear wheels corresponds to half of base radius of teeth of drive gear wheels
04/01/2010DE102008048642A1 Rotary piston engine, has two magnets, where one of magnets stays in operative connection with other magnet such that one of magnets works with other magnet during rotation of piston for driving motor shaft
04/01/2010DE102008047050A1 Rotary piston machine for generating power from flowing water, has two blades that are pivotably supported at rotor, where water flow cross section of blades forming chamber is equivalently large and applied for work and repeating sectors
04/01/2010CA2735954A1 Fluid-powered motors and pumps
03/2010
03/31/2010EP2167791A1 Steam engine with rotating piston and the manner of cooling and lubricating thereof
03/31/2010CN201433794Y Multi-purpose energy converter
03/31/2010CN101688446A Rotary piston machine having an outside gear mechanism
03/30/2010US7686602 Slippers for rollers in a roller vane pump
03/30/2010CA2550411C Improvements in intersecting vane machines
03/25/2010WO2010031927A1 Multifunction rotary machine with deformable rhomb
03/25/2010WO2010031585A1 Method for providing a thermo-dynamic cycle of a combustion engine, in particular of a rotary type with a double center of rotation
03/25/2010WO2009131707A9 Pneumatic mechanical power source
03/25/2010US20100071389 Method and apparatus for highly efficient compact vapor compression cooling
03/25/2010DE102008048638A1 Electrical generator for e.g. francis turbine, in industrial plant, has coil, and piston carrying electromagnet along circular path, where magnet is bypassed at coil such that electric voltage is induced in coil
03/24/2010EP2165048A1 Rotary internal combustion engine with annular chamber
03/24/2010CN101680300A Refrigeration cycle device and fluid machine used therefor
03/24/2010CN101680299A Rotary combustion engine and hydraulic motor
03/24/2010CN101680298A Rotary engine
03/24/2010CN101676550A Hydraulic action device
03/23/2010US7681549 Oscillating piston engine
03/18/2010US20100068086 Scroll fluid machine
03/18/2010US20100064723 Refrigeration system
03/18/2010US20100064722 Refrigerant system with pulse width modulation for reheat circuit
03/18/2010US20100064718 Energy efficient modular cooling system
03/17/2010CN201423425Y Pneumatic rivet nut cap gun
03/16/2010US7677863 Overspeed safety device for a rotation motor
03/11/2010WO2010026288A1 Planetary-motion rotary piston engine
03/11/2010US20100061873 Bi-directional converter between pressure and rotational force
03/10/2010CN101668926A vane machine
03/09/2010US7674097 Rotary expander
03/04/2010WO2010024722A1 Rotary combustion engine
03/04/2010WO2009146448A3 Variable output fluid pump system
03/03/2010EP2159386A2 High efficiency solar thermal power generation system using a highly efficient heat exchanger and power conversion unit
03/03/2010CN100593076C Internal combustion engine and method for operating the same
03/02/2010US7669586 Vented gear drive assembly for a supercharger
03/02/2010US7669419 Electrical power supply system
02/2010
02/25/2010US20100047104 Fluid machine
02/25/2010US20100047101 Scroll compressor with extended profile
02/25/2010US20100043481 Two-stage rotary expander, expander-compressor unit, and refrigeration cycle apparatus
02/24/2010CN201412330Y vane pump/motor
02/18/2010WO2010017778A1 Rocking-valve rotary-cylinder type capacity-variable mechanism and rotary engine associated
02/18/2010WO2010017700A1 Vane pump/motor
02/18/2010US20100038142 Apparatus and method for high temperature drilling operations
02/17/2010EP2154330A1 Refrigeration cycle device and fluid machine used therefor
02/17/2010EP2153027A1 Vane machine
02/17/2010CN100590296C Rotary positive displacement machine
02/16/2010US7661938 Linking element for connecting the two volutes of a scroll compressor
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