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)
10/2010
10/12/2010US7811070 Pneumatic vane motor with by-pass means
10/12/2010US7810325 Self-pressurizing Stirling engine
10/07/2010US20100254846 Roots type fluid machine
10/07/2010US20100254836 Oil-Cooled Screw Compressor
10/07/2010US20100254835 Scroll device integrating a feed pump
10/07/2010US20100251991 Volume expansion rotary piston machine
10/07/2010US20100251986 Heterocentric distributive oscillating transmission mechanism and toroidal hermetic rotary engine as its application
10/06/2010CN101852094A Displacement sliding rotary engine
10/06/2010CN101852093A Mini elliptic gear engine
10/06/2010CN101852092A Power system of single-screw expansion engine as pneumatic automobile engine
10/06/2010CN101852091A Energy-saving efficient pneumatic motor
10/05/2010US7806673 Gear pump
10/05/2010CA2486277C Down-hole vane motor
09/2010
09/30/2010WO2010111557A2 Inverse displacement asymmetric rotary (idar) engine
09/30/2010US20100247365 Double gear pump
09/30/2010US20100247360 Gerotor Apparatus for a Quasi-Isothermal Brayton Cycle Engine
09/30/2010US20100242531 Multi-stage rotary-type fluid machine and refrigeration cycle apparatus
09/30/2010CA2756230A1 Inverse displacement asymmetric rotary (idar) engine
09/29/2010EP2233691A1 Volume expansion rotary piston machine
09/29/2010CN1922388B Method and means for controlling a flow through an expander
09/29/2010CN1601106B 涡旋机械 Scroll Machinery
09/23/2010WO2010105682A1 Arrangement having a gear pump having a divided pump housing
09/23/2010US20100239449 Gear Pump Having Optimal Axial Play
09/23/2010US20100239446 progressing cavity pump with several pump sections
09/23/2010US20100237689 Gear pump and gear pump for brake apparatus
09/23/2010DE102009039213A1 Rotary piston engine has pair of coaxial counter-rotating pistons, where rotary piston engine is four-cycle engine and has four work cycles in one rotation
09/23/2010DE102009013632A1 Verfahren und Vorrichtung zur Verstromung von Energieprodukten wie Gas und Treibstoffe Method and apparatus for generating power from energy products such as gas and other fuels
09/23/2010DE102009005107B3 Drehkraftmaschine mit drei rotierenden Verdrängern mit Eintrittsdruckklappen und einer Steuerung der Einlassöffnungen in das Brennrohr Rotary combustion engine with three rotating displacers with inlet pressure valve and a control of the inlet openings in the combustion tube
09/22/2010CN201588658U Environment-protecting energy-saving discharge-reducing power machine
09/22/2010CN201588657U Double-rotor rotary type synchronous engine
09/21/2010US7798793 Compressor slide valve lubrication
09/21/2010CA2636730C Positive displacement motor/progressive cavity pump
09/21/2010CA2514823C Gear pump
09/16/2010US20100233007 Gear Pump
09/16/2010US20100233006 Screw-type fluid machine
09/16/2010US20100233005 Internal gear pump for a brake system
09/16/2010US20100233002 Scroll compressor
09/16/2010US20100233001 Compressor Having Bearing Assembly
09/16/2010DE102009005461A1 Heat engine e.g. Otto engine and diesel engine, for use as shaft output driving unit, has conical body with conical opening angle and tooth system, where longitudinal and rotational axes of body and conical cavity intersect at point
09/15/2010CN101832153A Rotary type diesel engine
09/15/2010CN101639064B Conversion device of mechanical motion and fluid motion
09/15/2010CN101233297B Improved vane pump
09/14/2010US7793636 Apparatus adapted to perform as compressor, motor, pump, and internal combustion engine
09/14/2010CA2634628C Star engine
09/10/2010WO2010101148A1 Rotary engine
09/10/2010WO2010080772A3 Rotary energy converter with retractable barrier
09/10/2010WO2010017199A3 Isochoric heat addition engines and methods
09/09/2010US20100226809 Pivoting vane pump/motor
09/09/2010US20100226808 Multi stage, clam shell vacuum pump
09/09/2010US20100226807 Scroll-type fluid machine
09/09/2010US20100223948 Scroll expander and refrigeration cycle apparatus
09/09/2010DE102009011322A1 Rolling piston steam turbine arrangement for use in e.g. nuclear power station for driving vehicles, has cylinders arranged tangential to each other, where surfaces of cylinders roll mutually
09/08/2010CN101196124B Vane type cavity capability changing device, vane type gas engine and vane compressor
09/07/2010US7789641 Rotary blade compressor with eccentric axial biasing
09/07/2010US7789640 Scroll fluid machine with a pin shaft and groove for restricting rotation
09/02/2010WO2010097086A1 Hydraulic motor or pump
09/02/2010WO2010035097A3 Fluid-powered motors and pumps
09/02/2010US20100221134 Scroll fluid machine
09/02/2010US20100221133 Screw compressor
09/02/2010DE102009010161A1 Fluid barrier, particular gas barrier for rotary piston array, has lock washer supported on shafts, where lock washer surrounds quad or triplet group of neighboring rotary pistons
09/02/2010DE102006000512B4 Wälzkolbenmaschine Wälzkolbenmaschine
09/01/2010EP2224094A1 Compressor integral with expander
09/01/2010CN1746462B Spiral rotor mechanism
09/01/2010CN101821479A Slide valve system for screw compressor
09/01/2010CN101818665A Rotary volume-variable expansion compression engine
09/01/2010CN101818656A Balance type screw expansion power machine
09/01/2010CN101818655A Planetary gear differential power plant
08/2010
08/31/2010US7785088 Scroll fluid machine with a coating layer
08/26/2010WO2010094510A1 Synchronization gearbox for a multi-axle rotating piston machine
08/26/2010US20100215537 Gear Pump With Improved Inlet Port
08/26/2010US20100215536 Scroll type compressor
08/26/2010US20100215534 Scroll type compressor
08/26/2010US20100215533 Scroll type compressor
08/26/2010US20100215531 Method for converting energy from compressed air into mechanical energy and compressed air motor therefor
08/26/2010US20100212352 Compressor and refrigerating apparatus having the same
08/24/2010US7780428 Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (PCP)
08/19/2010WO2010092813A1 Scroll-type fluid machine
08/19/2010US20100209281 Toy Fluid Pumping Gun
08/19/2010US20100209279 Screw fluid machine
08/19/2010US20100209276 Internal gear pump rotor, and internal gear pump using the rotor
08/19/2010DE202010006363U1 Sonnenrad für Kreiskolbenbrennkraftmaschinen Sun for rotary piston engine
08/19/2010DE102009009025A1 Rotary positive displacement machine e.g. multi-level turbo compressor, for compressing gas, has drive disks, where number of disks provides parallel and out of phase promoting stages that are conveyed from intake line into pressure line
08/19/2010DE102007050972B4 Gasbetriebener Lamellenmotor Gas vane motor
08/18/2010CN201554500U Cylinder blade device of pneumatic power tool
08/18/2010CN201554499U Pneumatic motor
08/18/2010CN101809251A Screw compressor pulsation damper
08/18/2010CN101806302A Scroll machine
08/18/2010CN101265857B Refrigerating apparatus and fluid machine therefor
08/18/2010CN101198766B Balancing plate-shuttle ball
08/17/2010US7775783 Refrigeration system including a scroll expander
08/17/2010US7775062 Modular cooling system
08/12/2010WO2010089030A2 Rotary piston internal combustion engine
08/12/2010US20100204838 Energy efficient air conditioning system and method utilizing variable capacity compressor and sensible heat ratio load matching
08/12/2010US20100202913 Gear pump
08/12/2010US20100202911 Scroll-type positive displacement apparatus with plastic scrolls
08/12/2010DE102009000658A1 Adjusting device for adjusting phase position between crankshaft and camshaft in internal combustion engine, has check valve formed by retaining body extending into channel section, and valve units fastened to retaining body at one side
08/11/2010EP2215328A2 Heterocentric distributive oscillating transmission mechanism and toroidal hermetic rotary engine as its application
08/10/2010US7771180 Compressor and oil separation device therefor
08/05/2010WO2010086516A2 Rotary engine with a circular rotor
08/05/2010WO2010068145A3 Positive-displacement rotary piston machine
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 93