| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 05/29/2013 | CN102072079B Speed regulation type hydraulic motor based on digital distribution |
| 05/23/2013 | WO2013005259A3 Energy extraction device, group of energy extraction devices and operating methods |
| 05/22/2013 | CN103114963A Low-speed and high-torque hydraulic motor |
| 05/16/2013 | DE112011102155T5 Hydraulische Pumpe oder hydraulischer Motor Hydraulic pump, hydraulic motor |
| 05/15/2013 | EP2592263A1 Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors |
| 05/14/2013 | US8438847 Heat-pipe electric power generating device and hydrogen/oxygen gas generating apparatus and internal combustion engine system having the same |
| 05/08/2013 | CN103089310A Turbine for converting fluid energy by coriolis vortex fluid pressure intensity |
| 05/08/2013 | CN101925739B Hydraulic pump motor and fan driver |
| 05/08/2013 | CN101495785B A method of operating a fluid-working machine and a fluid-working machine |
| 05/01/2013 | EP2587058A1 Bent axis type hydraulic rotating machine |
| 05/01/2013 | CN103080548A 流体旋转机械 Fluid rotating machinery |
| 05/01/2013 | CN102162435B Method for improving performance of multi-action inner curve radial plunger pump or motor |
| 04/29/2013 | DE202013101391U1 Druckdifferenzgenerator Pressure differential generator |
| 04/25/2013 | WO2012088451A3 Torque control for open circuit piston pump |
| 04/24/2013 | CN202900526U Thrust plate for hydraulic motors |
| 04/24/2013 | CN103069161A Skew plate-type hydraulic rotary machine |
| 04/24/2013 | CN103061815A Turbomachine used for converting Coriolis vortex fluid pressure into fluid energy and provided with butting fluid suspension pistons |
| 04/24/2013 | CN102042161B Rotary cylinder plunger hydraulic motor for independently adjusting oil absorption and discharge and torque shift method |
| 04/24/2013 | CN101892943B Switch motor variable-torque oil distribution mechanism capable of independently adjusting oil absorption and extraction and torque shift method |
| 04/17/2013 | CN202883228U Hydraulic rotor plunger motor with integrated spherical guide seat and plunger cylinder |
| 04/17/2013 | CN102174924B Swing-cylinder hydraulic motor |
| 04/16/2013 | US8418456 Heat-pipe electric power generating device and hydrogen/oxygen gas generating apparatus and internal combustion engine system having the same |
| 04/10/2013 | CN202860710U Horizontal centrifuge scraper driving device |
| 04/04/2013 | US20130081535 Piston-chamber hydro-gravity engine |
| 04/03/2013 | CN202851251U Double-speed hydraulic motor |
| 04/03/2013 | CN103026063A Hydraulic dual axial piston machine |
| 04/03/2013 | CN103026055A Axial piston machine |
| 04/03/2013 | CN103016601A Vehicle hydraulic shock absorber assembly capable of generating power |
| 04/03/2013 | CN103016249A Double-wheel acceleration type generator set |
| 04/03/2013 | CN103016248A Rotation wheel speed increase type generator set |
| 04/03/2013 | CN103016247A Hydraulic motor and walking actuating device with hydraulic motor |
| 03/27/2013 | CN202832960U Sliding vane gravity generator set |
| 03/27/2013 | CN202832959U Power device driven by oil cylinder |
| 03/27/2013 | CN202832958U Pivot type inner curve radial plunger type hydraulic motor |
| 03/27/2013 | CN202832957U Oil distribution device used for hydraulic motor |
| 03/27/2013 | CN202832956U Crankshaft connecting rod type hydraulic motor |
| 03/27/2013 | CN102996386A Axial piston machine with housing filled with pressure medium |
| 03/21/2013 | WO2013037582A1 Adjustment device for a hydrostatic machine and hydrostatic machine |
| 03/21/2013 | WO2012164199A3 Hydraulic transmission device and compact hydraulic starter |
| 03/21/2013 | WO2012137222A3 Locked object propulsion system |
| 03/21/2013 | WO2012137221A3 Locked object motion system |
| 03/20/2013 | CN202811188U Hydraulic servo engine |
| 03/20/2013 | CN202811187U Reinforcing connection structure of end cover of hydraulic motor |
| 03/20/2013 | CN102985691A Hydraulic pump or motor |
| 03/20/2013 | CN101326364B Combined pump housing for several rated quantities |
| 03/20/2013 | CN101305223B Independent displacement opposing pump/motors and method of operation |
| 03/19/2013 | US8397496 Buoyancy engine using a segmented chain |
| 03/19/2013 | CA2693989C Wave transducer having variable energy piston assembly |
| 03/14/2013 | DE19849334B4 Hydrostatische Motoreinheit Hydrostatic motor unit |
| 03/13/2013 | CN202789314U Hydraulic motor |
| 03/13/2013 | CN202789313U Assembly structure between oil distribution shaft and oil pass disc of hydraulic motor |
| 03/13/2013 | CN202789312U Hydraulic motor with washing function |
| 03/12/2013 | US8393148 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 03/07/2013 | WO2013031248A1 Thrust bearing for hydraulic continuously variable transmission |
| 03/07/2013 | WO2013029971A1 Clamping lever arrangement, method for producing a clamping lever, and actuation unit |
| 03/06/2013 | CN202768236U Shaft end motor of automobile electric control hydraulic independent shaft end driving system |
| 03/06/2013 | CN102959259A Hydrostatic machine, especially axial piston machine |
| 03/05/2013 | US8387374 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 03/05/2013 | CA2537110C Wave energy converter (wec) with magnetic braking |
| 02/28/2013 | US20130052042 Pumping device |
| 02/28/2013 | DE112011101456T5 Hydraulikmotor/-pumpe mit variabler verstellung Hydraulic engine / pump with variable adjustment |
| 02/27/2013 | EP2561242A1 Force boosting brake |
| 02/27/2013 | CN202756172U Connecting structure of connecting bar and crankshaft in hydraulic motor |
| 02/27/2013 | CN102943739A Displacement limiting mechanism of hydraulic motor |
| 02/20/2013 | EP2558713A1 Connection plate for a hydrostatic piston machine |
| 02/20/2013 | EP2558712A1 Hydraulic transmission device allowing relatively quiet coupling |
| 02/20/2013 | CN102937068A Discharge capacity finely adjusting mechanism for hydraulic motor |
| 02/14/2013 | WO2013022373A1 Radial piston hydraulic engine |
| 02/14/2013 | WO2013020655A1 Stop device, adjusting cylinder with such a stop device, method for producing such a stop device and tool for performing the method |
| 02/13/2013 | CN202732213U Follow-up cock for plane oil distribution |
| 02/13/2013 | CN202732212U Hydraulic engine |
| 02/13/2013 | CN102933839A Hydraulic transmission device allowing relatively quiet coupling |
| 02/07/2013 | US20130031900 High Efficiency Heat Exchanger and Thermal Engine Pump |
| 02/06/2013 | EP2554842A1 Valve plate, and axial piston hydraulic pump and axial piston hydraulic motor with same |
| 02/06/2013 | CN102913416A Mechanical full-bridge type circulating liquid gas compressing part and energy storage system |
| 02/06/2013 | CN102913382A High-reliability hydraulic motor |
| 02/05/2013 | US8365525 Thermo-magnetic actuator |
| 02/05/2013 | US8365524 Methods and systems for power generation by changing density of a fluid |
| 01/30/2013 | EP2550433A1 Piston engine with movable cylinder walls |
| 01/30/2013 | CN202707356U 自来水压力发动机 Water pressure engine |
| 01/30/2013 | CN102906416A Connection plate for a hydrostatic piston machine |
| 01/30/2013 | CN102900596A Shaft end motor of automobile electric control hydraulic independent shaft end driving system |
| 01/30/2013 | CN101421510B A radial cylinder hydraulic |
| 01/23/2013 | CN102893027A Variable capacity hydraulic pump motor |
| 01/22/2013 | US8356478 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 01/16/2013 | CN202673559U Hydraulic motor for integrated self-locking mechanism |
| 01/16/2013 | CN202673558U Self-locking type hydraulic motor |
| 01/16/2013 | CN102884308A Subassembly forming a hydrobase for hydraulic motors, and assembly method |
| 01/16/2013 | CN101326362B Hydrostatic piston machine and thrust ring for a brake device thereof |
| 01/16/2013 | CN101283181B Device for managing the displacement of a hydraulic motor and hydraulic loop |
| 01/15/2013 | US8353156 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 01/10/2013 | WO2013005703A1 Swash plate type hydraulic motor and swash plate type hydraulic pump |
| 01/10/2013 | DE112011100941T5 Hydraulikpumpe/-Motor und Verfahren des Unterdrückens eines Pulsierens der/des Hydraulikpumpe/-Motors Hydraulic pump / motor and method of suppressing the pulsation / hydraulic pump / motor |
| 01/08/2013 | US8347778 Fluid-working machines |
| 01/08/2013 | US8347621 Method of operating a fluid-working machine and a fluid-working machine |
| 01/03/2013 | DE112010003409T5 Hydraulischer Radialmotor Hydraulic Radial Engine |
| 01/02/2013 | CN202645838U Variable displacement mechanism for reversing variable displacement motor |
| 01/02/2013 | CN202645837U Inclined piston type wave power generation device |
| 01/02/2013 | CN102852709A Hydraulic engine and control method thereof |
| 01/02/2013 | CN102852708A Hydraulic motor with flushing function |