| Patents for F03C 2 - Rotary-piston engines (2,448) |
|---|
| 07/24/2013 | CN203081647U Bearing-free cycloid hydraulic motor structure |
| 07/23/2013 | US8491288 Geroller hydraulic motor with anti-cogging structure |
| 07/17/2013 | CN102506023B 泵 Pump |
| 07/16/2013 | US8485803 Scroll compressor comprising oil separating driving shaft |
| 07/09/2013 | US8480386 Vane for a single-vane vacuum pump |
| 07/02/2013 | US8475149 Scroll fluid machine having multiple discharge ports |
| 07/02/2013 | US8475148 Scroll compressor having through holes with a set depth |
| 06/26/2013 | EP2607691A1 Wind power plant with a hydraulic pump |
| 06/26/2013 | EP2607683A2 Hydrostatic rotary-cylinder engine |
| 06/26/2013 | CN203022965U High-speed hydraulic motor shell |
| 06/25/2013 | US8469683 Variable-displacement vane oil pump |
| 06/20/2013 | WO2013062440A3 Steam-driven rotary vane engine |
| 06/13/2013 | WO2013084542A1 Fluid-pressure apparatus |
| 06/13/2013 | WO2013083542A2 Vane pump and vane turbine |
| 06/12/2013 | EP2601407A1 Screw turbine and method of power generation |
| 06/12/2013 | CN202991468U Volume circular increase and decrease device of closed cavity of each single body of tri-rotor vane pump or vane motor |
| 06/12/2013 | CN103147908A Hydraulic motor |
| 06/11/2013 | US8459974 Six-blade biaxial rotary positive-displacement pump |
| 06/11/2013 | US8459972 Bi-rotational hydraulic motor with optional case drain |
| 06/11/2013 | US8459969 Screw fluid machine |
| 06/05/2013 | CN202971036U Novel set plate structure for rotary motor |
| 06/04/2013 | US8454335 Valveless vane compressor |
| 06/04/2013 | US8454333 Rotary fluid machine having outer and inner cylinder chambers with different heights |
| 06/04/2013 | US8454332 Method of assembling a refrigerating compressor |
| 05/29/2013 | CN103124847A Screw turbine and method of power generation |
| 05/29/2013 | CN101535633B Long life telescoping gear pumps and motors |
| 05/28/2013 | US8449275 Rotor drive mechanism, eccentric shaft sealing structure, and pump apparatus |
| 05/21/2013 | US8444406 Gear pump with reduced pressure pulsations on the pumping side |
| 05/21/2013 | US8444403 Self-sealing mechanism for scroll compressor |
| 05/16/2013 | WO2013068449A2 Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors |
| 05/15/2013 | CN202937403U Blade type hydraulic motor without friction of double-rotor blades to side walls of rotors |
| 05/15/2013 | CN202937402U Radial support shaft valve wagon-flow allocation cycloid hydraulic motor |
| 05/15/2013 | CN202937401U Vane type motor with vanes of dual rotors that not to generate full circular friction with side walls of rotors |
| 05/15/2013 | CN202937400U Efficient non-circular-gear hydraulic motor |
| 05/15/2013 | CN103104409A Hydraulic-control automatic machine |
| 05/14/2013 | US8439662 Vane air motor |
| 05/07/2013 | US8435020 Oil-free screw compressor |
| 05/01/2013 | EP2585719A2 Continuously variable volume hydrostatic rotary piston machine |
| 04/24/2013 | CN202900640U Volume cyclic increasing-decreasing device for each single closed cavity of three-rotor vane pump or three-rotor vane motor |
| 04/24/2013 | CN202900527U Low-noise gear motor |
| 04/23/2013 | US8425212 Positive displacement flowmeter and helical gear |
| 04/23/2013 | US8425211 Positive displacement machine according to the spiral principle |
| 04/17/2013 | CN202883233U Cam rotor of servo motor |
| 04/17/2013 | CN202883232U Multistage automatic transmission straight shaft hydraulic rotor piston motor |
| 04/17/2013 | CN202883231U Travel motor with variable throttle brake piston |
| 04/17/2013 | CN202883230U Straight shaft hydraulic rotor plunger motor |
| 04/17/2013 | CN202883229U Hydraulic rotor plunger motor |
| 04/17/2013 | CN102168643B Novel structure for cycloid hydraulic motor flow distributor |
| 04/16/2013 | US8419399 Roots type gear compressor with helical lobes having communication with discharge port |
| 04/16/2013 | US8419398 Method and apparatus for managing fluid flow within a screw pump system |
| 04/16/2013 | US8419396 Vane pump and evaporative leak check system having the same |
| 04/16/2013 | US8419394 Hermetic compressor including a backflow preventing portion and refrigeration cycle device having the same |
| 04/16/2013 | US8419393 Compressor having bearing assembly |
| 04/16/2013 | US8419392 Variable displacement vane pump |
| 04/11/2013 | DE102011122027B3 Hydrostatic rotary piston motor used as hydraulic motor, has rotor which is dimensioned such that center of diameter of rollers comprises eccentricity to arc center of roller seat, by contact of rollers with rotor external toothing |
| 04/03/2013 | CN202851328U Inner engaged gear device with splitter assembly |
| 04/03/2013 | CN103016250A Novel return disc structure of rotary motor |
| 04/02/2013 | US8408888 Scroll compressor having relief ports to open first and second compression chambers |
| 03/27/2013 | CN102996436A Circulating type volume increasing or decreasing device for each single sealed cavity of three-rotor blade pump or motor |
| 03/26/2013 | US8403655 Scroll compressor having an allowable angle of rotation |
| 03/20/2013 | CN202811345U Bidirectional gear oil pump with full-hydraulic floating seal-less bidirectional shaft sleeves |
| 03/19/2013 | US8398388 Vane pump |
| 03/19/2013 | US8398387 Fluid machine and refrigeration cycle apparatus |
| 03/13/2013 | CN202789315U Plane distributing cycloid hydraulic motor with bearing capacity strengthened |
| 03/13/2013 | CN102966540A Vane pump or motor with blades that do not produce full-circumferential friction with rotor sidewalls |
| 03/13/2013 | CN102966539A Circular volume increase or decrease device for each monomer enclosed cavity of three-rotor vane pump or motor |
| 03/12/2013 | US8393882 Scroll compressor with rotary discharge valve |
| 03/06/2013 | CN202768238U Hydraulic synchronous flow-distributing motor |
| 03/06/2013 | CN202768237U Cycloidal hydraulic motor with valve shaft flow-distribution |
| 03/06/2013 | CN202767873U Guide rail type emulsified liquid hydraulic drilling rig for coal mine |
| 03/06/2013 | CN102959236A Distributor assembly for two-speed gerotor device |
| 02/28/2013 | US20130048384 Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps |
| 02/27/2013 | CN102943756A Vane pump or motor with no friction produced between blade and rotor side wall |
| 02/19/2013 | US8376725 Planetary rotation machine |
| 02/13/2013 | CN202732214U Cycloid hydraulic motor structure |
| 02/13/2013 | CN102174901B Blade type hydraulic motor with rocker arm structure |
| 02/05/2013 | US8366425 Compressor slider, slider preform, scroll part, and compressor |
| 01/30/2013 | CN202707358U Dipolar parallel connection integral gear motor |
| 01/30/2013 | CN202707357U Hydraulic power device |
| 01/30/2013 | CN202706910U Rotor for drilling rig used in oil drilling |
| 01/30/2013 | CN102900665A Inside engaged gear pump or gear motor device with multilayer structure |
| 01/30/2013 | CN102900597A Compact axial flow distribution cycloid hydraulic motor with short shell |
| 01/23/2013 | CN202690319U Novel gear motor |
| 01/23/2013 | CN202690318U 双倍针液压马达 Double needle hydraulic motor |
| 01/22/2013 | US8356986 Compressor |
| 01/22/2013 | US8356585 Planetary rotary engine |
| 01/17/2013 | WO2013006902A1 Rotary fluid machine |
| 01/17/2013 | CA2838858A1 Rotary fluid machine |
| 01/16/2013 | CN202673560U Hydraulic motor valve plate |
| 01/16/2013 | CN102878011A Secondary scouring device of stabilized soil mixing machine rotor motor |
| 01/15/2013 | US8353693 Fluid machine |
| 01/15/2013 | US8353692 Scroll type compressor |
| 01/08/2013 | US8348649 Single screw compressor and a method for processing a screw rotor |
| 01/08/2013 | US8348648 Single screw compressor |
| 01/08/2013 | US8348647 Scroll type compressor including a suction pipe having iron portion and copper portion |
| 01/08/2013 | US8348623 Apparatus and a method for regulation of the energy potential in a fluid column located within a pipeline |
| 01/03/2013 | WO2011161117A3 Continuously variable volume hydrostatic rotary piston machine |
| 12/26/2012 | CN102840095A Plane distributing cycloidal hydraulic motor for strengthening bearing capacity |
| 12/25/2012 | US8337185 Rotary compressor having an oil separation plate therein |
| 12/25/2012 | US8337183 Oil return valve for a scroll compressor |