| Patents for F01C 1 - Rotary-piston machines or engines (9,235) |
|---|
| 04/05/2012 | US20120082582 Pendulum-slide cell pump |
| 04/05/2012 | US20120082581 Gear pump |
| 04/05/2012 | US20120082580 Screw expander |
| 04/05/2012 | US20120082579 Internal-gear type fluid device |
| 04/05/2012 | US20120082578 Scroll compressor |
| 04/05/2012 | DE102011083918A1 Drehmodulationsmotor Rotational modulation motor |
| 04/04/2012 | EP2435705A2 Wheel |
| 04/04/2012 | EP2435661A1 Apparatus and method of converting a portion of the specific energy of a fluid in gas phase into mechanical work |
| 04/04/2012 | CN202181949U Crank-arm-free piston type rotor power machine |
| 04/04/2012 | CN102400715A 塑带焊接机的主气马达 Main gas motor with plastic welding machine |
| 04/03/2012 | US8147231 Screw compressor having rotor casing with removable discharge opening neighborhood portion |
| 04/03/2012 | US8147230 Scroll compressor having rearwardly directed fluid inlet and outlet |
| 04/03/2012 | US8147229 Motor-compressor unit mounting arrangement for compressors |
| 04/03/2012 | US8147228 Progressing cavity pump/motor |
| 03/29/2012 | US20120076683 Structure of Variable Oil Pump |
| 03/29/2012 | US20120076681 Pneumatic stepper motor |
| 03/29/2012 | DE102010046622A1 Rotary drive device or rotary moving device, particularly gas operated multi-disk motor, has shaft enclosed from roller bearing device that is arranged in wall opening |
| 03/28/2012 | EP1846640B1 Compressor slide valve lubrication |
| 03/28/2012 | CN202176452U 一种可承受轴向力的液压马达 One kind can withstand axial forces hydraulic motors |
| 03/28/2012 | CN102395759A Fluid machine and refrigeration cycle apparatus |
| 03/28/2012 | CN101415906B Scroll compressor discharge port improvements |
| 03/27/2012 | US8142175 Mounting base and scroll compressor incorporating same |
| 03/27/2012 | US8142173 Variable displacement vane pump |
| 03/27/2012 | CA2528017C Rotary engine |
| 03/22/2012 | WO2012037579A2 Rotary air motor housing assembly |
| 03/22/2012 | WO2012034985A2 Rotary piston pump and rotary piston |
| 03/22/2012 | US20120068474 Microsystems for converting pressures and compression |
| 03/21/2012 | CN101765700B Displacement machine according to the spiral principle having two sides of support structures |
| 03/21/2012 | CN101688446B Rotary piston machine having an outside gear mechanism |
| 03/20/2012 | US8136503 Piston valve internal combustion engine |
| 03/15/2012 | US20120063941 Eccentric-screw pump |
| 03/15/2012 | US20120061184 Transmission Pump |
| 03/15/2012 | DE10151639B4 Kreiskolbenmotor in Trochoidenbauweise Rotary engine in Trochoidenbauweise |
| 03/15/2012 | CA2752460A1 Rotary device |
| 03/14/2012 | EP1664541B1 Rotating piston machine |
| 03/14/2012 | EP1616079B1 Rotating piston machine |
| 03/13/2012 | US8133045 Self-aligning pump rotor and methods |
| 03/13/2012 | US8133043 Suction duct and scroll compressor incorporating same |
| 03/08/2012 | WO2012030311A1 Propulsion system |
| 03/08/2012 | WO2012029203A1 Expander and refrigeration cycle device |
| 03/08/2012 | US20120058001 Screw compressor with economizer |
| 03/07/2012 | EP2425107A1 Rotary piston internal combustion engine |
| 03/07/2012 | CN102367744A Star rotary engine |
| 03/06/2012 | US8128387 Discharge chamber for dual drive scroll compressor |
| 03/01/2012 | DE102010006487B4 Drehkraftmaschine mit drei rotierenden Verdrängern, mit zusatzlicher Vorexpansionsstufe, einziehbaren Dichtleisten und äußeren Verzahnung den allen Rotoren Rotary combustion engine with three rotating displacers of additional Vorexpansionsstufe with retractable seals and outer toothing the all rotors |
| 02/29/2012 | CN202152691U Star rotating type rotating device |
| 02/23/2012 | WO2011027181A3 The conchoidal engine |
| 02/23/2012 | US20120045356 Rotor for a screw compressor |
| 02/22/2012 | EP2419618A1 Thermal engine |
| 02/22/2012 | EP2419608A1 Rotary machine with roller controlled vanes |
| 02/22/2012 | EP1516105B1 Internal gear machine with variable capacity |
| 02/21/2012 | US8118579 Gear pump |
| 02/21/2012 | US8118024 Mechanical ventilation system utilizing bias valve |
| 02/16/2012 | US20120039737 Screw-type vacuum pump |
| 02/16/2012 | US20120039734 Rotor drive mechanism and pump apparatus including the same |
| 02/16/2012 | US20120039733 Rotary piston steam engine with balanced rotary variable inlet-cut- off valve and secondary expansion without back-pressure on primary expansion |
| 02/15/2012 | CN102352777A Energy-storage and power-generation system and method of reversible single-screw compression expansion machine |
| 02/14/2012 | US8113803 Lubricating system for aircraft drive |
| 02/09/2012 | WO2012016283A1 Screw turbine and method of power generation |
| 02/09/2012 | WO2011140358A3 Fluid energy transfer device |
| 02/09/2012 | US20120034120 Arrangement for hydrocarbon extraction in wells using progressive cavity pumps |
| 02/09/2012 | DE102010034230A1 Expansionsvorrichtung zur Verwendung in einem Arbeitsmittelkreislauf und Verfahren zum Betrieb einer Expansionsvorrichtung Expansion device for use in a working medium circuit and method for operating an expansion device |
| 02/08/2012 | EP2414635A2 Inverse displacement asymmetric rotary (idar) engine |
| 02/08/2012 | CN102345508A Double-gear internal combustion engine |
| 02/07/2012 | US8109748 Gear tooth and external gear pump |
| 02/07/2012 | US8109746 Progressing cavity pump/motor |
| 02/07/2012 | US8109252 Rotary engine combustion chamber |
| 02/07/2012 | US8109074 Gas turbine engine system |
| 02/02/2012 | US20120027634 Screw compressor |
| 02/02/2012 | US20120023917 Rotary engine with a circular rotor |
| 02/01/2012 | EP2310630B1 Rotor-piston internal combustion engine |
| 02/01/2012 | CN102338026A Star rotary fluid motor |
| 02/01/2012 | CN102337930A Star rotary rotation device |
| 02/01/2012 | CN102337929A Pneumatic machine |
| 01/31/2012 | US8104307 Expander-integrated compressor and refrigeration-cycle apparatus with the same |
| 01/26/2012 | WO2012012636A1 Well tool having a nanoparticle reinforced metallic coating |
| 01/26/2012 | WO2012012423A2 Variable capacity screw compressor and method |
| 01/26/2012 | US20120020825 Displacement pump with suction groove |
| 01/26/2012 | US20120020823 Rotating and reciprocating piston device |
| 01/26/2012 | US20120020820 Rotary pump |
| 01/26/2012 | US20120017634 Variable Capacity Screw Compressor and Method |
| 01/26/2012 | DE102010032104A1 Rotary piston combustion engine for use with valve control for use as internal combustion engine, has stationary housing which has annular hollow cylinder with different sized inner radii |
| 01/26/2012 | CA2806219A1 Well tool having a nanoparticle reinforced metallic coating |
| 01/26/2012 | CA2804836A1 Variable capacity screw compressor and method |
| 01/25/2012 | CN202125399U Spiral fluid motor |
| 01/25/2012 | CN202125321U Star spiral type engine |
| 01/25/2012 | CN202125320U Power machine |
| 01/25/2012 | CN102330570A Scroll expansion machine |
| 01/25/2012 | CN102330569A Bladeless self-generating pneumatic motor |
| 01/24/2012 | US8099957 Dual-inlet supercharger for EGR flow control |
| 01/19/2012 | WO2010081469A3 Rotary force machine having three rotating displacement bodies with entry pressure flaps and a controller of the inlet openings into the combustion pipe |
| 01/19/2012 | DE102010027040A1 Rotation motor for vehicle, has separation slider sliding at rotor wall to separate high and low pressure range, where separation slider fills high pressure medium in workspace, and rotary valve releases flow of high pressure medium |
| 01/19/2012 | DE102010020681A1 Screw power machine has four additional edge runners, which are connected with main edge runner with their screw teeth and are accommodated in common housing |
| 01/18/2012 | EP2407667A1 Uniaxial eccentric screw pump |
| 01/18/2012 | CN202117717U Screw expansion power-driven machine |
| 01/18/2012 | CN102322296A Control valve and positively and negatively rotating motor |
| 01/17/2012 | US8096794 Compressor with oil separation and storage |
| 01/17/2012 | US8096793 Ductile cast iron scroll compressor |
| 01/17/2012 | US8096288 High efficiency supercharger outlet |
| 01/12/2012 | WO2012004455A1 Motor system and method in control of motor system |