Patents for F01C 1 - Rotary-piston machines or engines (9,235)
05/2011
05/17/2011US7942655 Advanced scroll compressor, vacuum pump, and expander
05/17/2011US7942642 Method and apparatus for highly efficient compact vapor compression cooling
05/17/2011US7942000 Rotary vane engine system
05/12/2011WO2011004342A3 Rotors for a rotary screw machine
05/11/2011EP2318661A1 Rotary motor for compressible media
05/11/2011CN201826898U Double-screw expansion machine
05/11/2011CN101389828B Scroll expansion machine and refrigeration cycle apparatus
05/05/2011WO2011051710A2 Engine and positive displacement machine with rotary piston
05/05/2011US20110103993 Gear wheel with profile capable of meshing with semi-encapsulation in a geared hydraulic apparatus
05/05/2011US20110103991 Scroll fluid machine
05/05/2011US20110103990 Scroll compressor
05/05/2011US20110100321 Rotary power device
05/04/2011CN101608597B Controllable wheel-groove slow flow type water turbine/water pump
05/04/2011CN101548066B Freezing apparatus, and expander
05/03/2011US7934915 Valve assembly for scroll compressor
05/03/2011US7934914 Scroll machine having counterweights with changeable cavity
04/2011
04/28/2011WO2011048298A2 High-efficiency power production unit
04/28/2011WO2011028113A3 Fluid pump
04/28/2011US20110097231 Variable displacement vane pump
04/28/2011DE102009049223A1 Controller for rotor of rotary piston engine, has separation element controlling rotors and supported in centered manner, where separation element lies outside rotors and is rotated on shaft at sealed housing
04/27/2011CN201810352U Differential thermal circulating device
04/27/2011CN102037217A Fluid machine and refrigeration cycle device
04/27/2011CN102037216A Two-stage rotary expander, expander-integrated compressor, and refrigeration cycle device
04/27/2011CN102032178A Scroll-type fluid machine
04/26/2011US7931006 Valveless rotary internal combustion engine
04/21/2011WO2011046591A1 Internal combustion engine and supercharger
04/21/2011WO2010051794A4 Rotary piston engine, control system for actuating a counter piston and method for the cycle-controlled operation of a rotary piston engine
04/21/2011US20110091343 Drill motor assebly
04/21/2011US20110091342 Thermally compensated scroll machine
04/21/2011US20110088697 Mechanical ventilation system utilizing bias valve
04/21/2011CA2776812A1 Internal combustion engine and supercharger
04/20/2011EP2310631A1 Rotating internal combustion engine
04/20/2011EP2310630A1 Rotor-piston internal combustion engine
04/20/2011CN201803597U 烟气余热回收系统 Flue gas waste heat recovery system
04/20/2011CN201802442U Air-powered vehicle engine combining single-screw expander with molten salt heater
04/20/2011CN201800020U Pneumatic tool and cylinder thereof
04/20/2011CN102022138A Screw expanding power generating device
04/14/2011WO2011042648A2 Engine having rotary pistons
04/14/2011DE112009001302T5 Fluidpumpsystem mit variablem Ausstoß Fluid pumping system with variable discharge
04/13/2011CN102011716A Multi-energies hybrid power generating system
04/13/2011CN101460704B Gerotor motor and brake assembly
04/07/2011WO2011040895A1 Driving gear
04/07/2011WO2011040828A1 Pressure-thermal drive
04/07/2011WO2010079367A3 Trochoidal type rotary piston machine
04/07/2011US20110081269 Scroll compressor
04/07/2011US20110081262 Motor-directly connected compressor unit
04/07/2011DE102008050014B4 Kreiskolbenverbrennungsmotor A rotary internal combustion engine
04/06/2011EP2305950A1 An olive-shaped rotary engine
04/06/2011EP2304181A1 Rotary sliding vane compressor
04/06/2011CN102007273A A rotary piston internal combustion engine cooling arrangement
04/06/2011CN102007272A Rotor-piston internal combustion engine
04/06/2011CN102003215A Multistage air motor
04/06/2011CN102003214A Novel screw expanding power machine
04/06/2011CN102003213A Planetary type rotary piston actuating mechanism based on fluid pressure
03/2011
03/31/2011US20110073081 Supercharger Cooling
03/31/2011DE102009042875A1 Roller piston-gas turbine arrangement for driving stationery and movable machines and vehicles, has axial supported cylinders arranged tangentially to each other, where lateral areas of cylinders roll opposite to each other
03/30/2011CN201778846U Environment-friendly energy-saving emission reduction system
03/30/2011CN201778838U Pneumatic automobile engine power system with single-screw expander
03/30/2011CN101994669A Solar thermoelectric co-production device
03/30/2011CN101994523A Pneumatic motor accelerating mechanism for pneumatic insert nut tool
03/29/2011US7914267 Multistage compressor for a CO2 cycle that includes a rotary compressing mechanism and a scroll compressing mechanism
03/24/2011WO2011034965A1 Vane sealing methods in oscillating vane machines
03/24/2011US20110070117 Single screw compressor
03/24/2011US20110070116 Scroll fluid machine
03/24/2011DE102009040270A1 Ring piston machine, particularly motor, pump or compressor for generating kinetic energy or electrical energy, has two overlapping piston rings by which control of piston takes place
03/23/2011EP2297429A2 Pneumatic mechanical power source
03/23/2011EP2069609B1 Rotary piston internal combustion engine
03/23/2011CN201771564U Screw rod expansion power machine and control system thereof
03/23/2011CN201771563U Screw expansion power machine and control system thereof
03/23/2011CN201771562U Screw rod expanding power machine and control system thereof
03/22/2011US7909591 Eccentric screw pump equipped with erosion-resistant rotor
03/22/2011US7909014 Oscillating piston machine
03/22/2011US7909013 Hybrid cycle rotary engine
03/22/2011CA2532756C Multiple elastomer layer progressing cavity stators
03/17/2011US20110064596 Scroll compressor
03/16/2011EP2295721A1 Fluid machine and refrigeration cycle device
03/16/2011EP2295720A1 Two-stage rotary expander, expander-integrated compressor, and refrigeration cycle device
03/16/2011CN201763600U Gear pump or motor
03/15/2011US7905714 Progressing cavity pump assembly and method of operation
03/10/2011WO2011028113A2 Fluid pump
03/10/2011WO2011027181A2 The conchoidal engine
03/10/2011WO2010051794A3 Rotary piston engine, control system for actuating a counter piston and method for the cycle-controlled operation of a rotary piston engine
03/10/2011US20110058974 Optimized helix angle rotors for roots-style supercharger
03/10/2011US20110058930 Motor/pump with spiral wound stator tube
03/09/2011EP2292896A2 Rotary piston combustion engine
03/08/2011US7901194 Shaft coupling for scroll compressor
03/03/2011WO2011022835A1 Fluid turbine
03/03/2011US20110052437 Scroll compressor
03/03/2011US20110048370 Revolving piston internal combustion engine
03/01/2011US7896631 Vane pump
03/01/2011US7896629 Scroll compressor with discharge valve
03/01/2011US7896627 Rotary type expander and fluid machinery
02/2011
02/28/2011CA2677006A1 Hydraulic generator (liquid flow generator)
02/24/2011WO2011021055A2 Vane machine with enhanced sealing among stationary and rotating cylinder parts
02/24/2011WO2010125375A3 Rotor side seal and method of sealing a rotor
02/24/2011US20110044834 Scroll compressor
02/24/2011US20110044833 Oldham coupling
02/24/2011DE102009033672A1 Drehkolben-Brennkraftmaschine A rotary internal combustion engine
02/23/2011CN1828022B Scroll machine with single plate floating seal
02/23/2011CN101981274A Scroll fluid machine
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