Patents for F03C 1 - Reciprocating-piston liquid engines (2,799)
12/1999
12/28/1999US6006872 Braking apparatus for a hydraulic motor
12/09/1999WO1999046504A3 Radial piston engine with guide rollers
12/07/1999US5996417 Preload piston actuator
11/1999
11/30/1999US5992578 Braking device
11/30/1999US5992145 Method and device for preventing an interruption of tension during connection and disconnection of hydraulic motors
11/09/1999US5979295 Hydraulic motor piston
11/09/1999US5979271 Axle driving apparatus
11/04/1999WO1999056018A1 Axial piston variable displacement machine
11/04/1999CA2330278A1 Axial piston variable displacement machine
11/03/1999EP0953111A1 Axial piston machine with damping element for the inclined or wobble plate
11/03/1999CN1234094A Thermal hydraulic engine
10/1999
10/28/1999WO1999054625A1 Controlled porting for a pressure transformer
10/28/1999WO1999054624A1 A hydraulic rotating axial piston engine
10/21/1999DE19752402A1 Fluid motor with pressure container
10/19/1999US5967018 Hydraulic motor with radial propulsors retained against corresponding sliding-contact surfaces by resilient means and by mechanical-retaining means located outside said propulsors
10/14/1999WO1999051881A1 Adjustable face plate for hydraulic pump or motor
10/07/1999WO1999050085A1 Hydrostatic mechanical drive
10/07/1999DE19912984A1 Vorspannungs-Kolben-Betätigungsglied Bias piston actuator
10/07/1999DE19814273A1 Hydrostatisch mechanischer Antrieb Hydrostatic mechanical drive
10/05/1999US5961413 Hydraulic drive
10/05/1999US5960697 Axial piston machine
09/1999
09/30/1999DE19813793A1 Control device for radial piston engine
09/22/1999CN2339777Y Low-temp liquid piston pump
09/22/1999CN1229170A Large torque and high-efficient axial piston hydraulic motor
09/16/1999WO1999046504A2 Radial piston engine with guide rollers
09/16/1999DE19810372A1 Roller support for pistons of radial IC engine
09/15/1999EP0692072B1 Pressure medium driven device performing linear motion
09/07/1999CA2119322C Carbide or boride coated rotor for a positive displacement motor or pump
08/1999
08/24/1999US5941156 Fluid communication valve for high and low pressure ports of a differential hydraulic motor
08/19/1999WO1999041500A1 A hydraulic rotating axial piston engine
08/19/1999WO1999041499A1 A hydraulic rotating axial piston engine
08/04/1999EP0933527A2 Fluid actuated rotary drive mechanism
07/1999
07/28/1999EP0931932A2 Hydrostatic-mechanical drive for a concrete mixer
07/13/1999US5921151 Integrated hydrostatic transmission
07/06/1999US5918529 Hydrostatic axial piston machine utilizing bridge segments which are radially inward of the piston bores
06/1999
06/30/1999EP0925448A1 Hydraulic pump and hydraulic engine
06/17/1999WO1999030034A1 A hydraulic rotating axial piston engine
06/17/1999WO1999030030A1 Radial piston motor with friction brake
06/17/1999DE19755156A1 Radialkolbenmotor mit Reibschlußbremse Radial piston motor with friction brake
06/16/1999CN2324309Y Hydraulic driving servo actuator
06/15/1999CA2086423C Radial piston fluid machine and/or adjustable rotor
06/10/1999DE19753370A1 Hydraulic drive device for vehicle
06/09/1999EP0921309A1 Hydraulic motor with switch valve
06/09/1999EP0920572A1 Thermal hydraulic engine
05/1999
05/20/1999WO1999024711A1 Radial piston hydraulic motor
05/20/1999DE19751001A1 Method of preventing thrust interruption with switching on and off of hydro-motors
05/20/1999DE19749906A1 Radial piston hydromotor
05/18/1999US5904043 Combined mode hydrostatic transmission
05/05/1999CN2317332Y 液压发动机 Hydraulic engine
05/04/1999US5899067 Hydraulic engine powered by introduction and removal of heat from a working fluid
04/1999
04/29/1999WO1999020899A1 Hydraulic pump or motor
04/28/1999CN2316480Y Vertical free piston liquid energy recovering machine
04/27/1999US5897073 Reel handler
04/20/1999US5894783 Hydrostatic transmission swash plate assembly
03/1999
03/09/1999US5878649 Controlled porting for a pressure transformer
03/02/1999CA2212064A1 Emergency power generating system using domestic water system
02/1999
02/10/1999EP0896150A2 Hydraulic machine with flushing valve for housing
01/1999
01/21/1999WO1999002855A1 Device for braking the relative rotation of two elements
01/21/1999WO1999002854A1 Aqueous silicon dispersion, cross-linkable into transparent elastomer
01/13/1999CN1205054A Swash plate type hydraulic rotating machine and method of manufacturing casing for same
01/13/1999CN1205052A Cam motor device
01/13/1999CN1041610C Hydrostatic-mechanical gear for driving mixing drum
01/05/1999US5855115 Auxiliary hydraulic motor
12/1998
12/30/1998EP0887548A1 Hydraulic motor
12/29/1998US5853052 Hydraulic drive for rotation of a rock drill
12/02/1998EP0880666A1 Rotary, regenerative heat exchanger having hydraulic motor motion
12/02/1998EP0712467B1 Hydraulic system for an axial piston pump
11/1998
11/25/1998CN1199823A Hydraulically driven booster
11/17/1998US5836231 Radial-piston hydraulic motor and method for regulation of a radial-piston hydraulic motor
11/17/1998US5836160 Hydraulic system for driving axial piston type hydraulic motor
11/11/1998EP0542759B1 A multi-chamber rotary lobe fluid machine with positive sliding seals
10/1998
10/21/1998EP0872637A1 Cam motor device
10/15/1998DE19816452A1 Piston for radial hydraulic motor
10/13/1998US5819635 Hydraulic-pneumatic motor
10/13/1998US5819533 Hydraulic-pneumatic motor
10/08/1998DE19808095A1 Axial piston engine for driving pump used for pressurisation and transportation of liquid
10/07/1998EP0869279A1 Spring-loaded brake with mecanical brake release device
09/1998
09/30/1998EP0867614A1 Rotary type hydraulic transformer
09/29/1998US5813315 Hydraulic piston machine having sheathing plastic material for reducing friction
09/23/1998EP0866223A1 Swash plate type hydraulic rotating machine and method of manufacturing casing for same
09/23/1998EP0692071B1 Hydraulic drive system
09/16/1998EP0536267B1 Adjustable rotor for a radial piston fluid machine
09/15/1998US5807080 Variable displacement type piston machine of which noise and vibration are reduced by reducing pulsation of discharge fluid
09/09/1998EP0863310A1 Hydraulic motor with propulsion members having their longitudinal axis inclined both with respect to the other propulsors and with respect to the axis of the drive shaft
09/08/1998US5803714 Swash plate type axial piston pump and method of assembling the same
09/08/1998US5802931 Axle driving apparatus
08/1998
08/27/1998WO1998037324A1 Inclined shaft type axial piston pump motor
08/27/1998CA2230522A1 Hydraulic motor with propulsion members having their longitudinal axis inclined both with respect to the other propulsors and with respect to the axis of the drive shaft
08/20/1998DE19705503A1 Hydrostatic drive axle esp. for driving transporter wheels e.g. of fork lift truck
08/18/1998US5794513 Pressure-applying arrangement in a hydraulic axial piston machine
08/18/1998US5794442 Adaptive fluid motor control
08/18/1998US5794441 Adaptive fluid feedback control
08/18/1998US5794440 Adaptive fluid control
08/18/1998US5794439 In a regenerative adaptive fluid motor control system
08/18/1998US5794438 Adaptive fluid motor feedback control
08/18/1998US5794437 Regenerative adaptive fluid motor control
08/04/1998US5787786 Dual hydraulic oscillator for the reciprocating cutter of an agricultural machine
07/1998
07/16/1998WO1998030800A1 Radial piston motor
07/16/1998DE19733911C1 Hydrostatic motor with fluid circulation in housing
07/01/1998EP0851119A2 Hydraulic motor comprising radially arranged, tubular propulsion elements
1 ... 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28