Patents for F03C 1 - Reciprocating-piston liquid engines (2,799)
05/1998
05/19/1998US5752428 Hydraulic axial piston motor
05/19/1998US5752413 Reciprocating piston machine with a wobble plate gear
05/14/1998WO1998020258A1 Axial piston machine with damping element for the inclined or wobble plate
05/14/1998WO1998020255A1 Cam motor device
05/07/1998WO1998018646A1 Hydraulic engine-carrying electric car
05/06/1998EP0839279A1 Axial piston micropump
05/06/1998CN1180802A Single-shaft double cam combined device capable of substituting crankshaft connecting rod
05/05/1998US5746509 Hydrostatic-mechanical gear for driving a mixing drum
04/1998
04/23/1998WO1998016738A1 Rotary type hydraulic transformer
04/23/1998DE19740554A1 Combined hydrostatic and hydro-mechanical transmission for motor vehicle
04/23/1998DE19637419C1 Hydropumpe und Hydromotor Hydraulic pump and hydraulic motor
04/16/1998WO1998015734A1 Swash plate type hydraulic rotating machine and method of manufacturing casing for same
04/16/1998DE19740553A1 Differential hydraulic motor for vehicles
04/14/1998US5738000 Axial piston machine with guides for the pistons contained therein
04/02/1998DE19645580C1 Axialkolbenmaschine mit Dämpfungselement für die Schräg- oder Taumelscheibe Axial piston with damping element for the oblique or swash plate
04/02/1998DE19639732A1 Axial piston engine with integrated differential gear
03/1998
03/24/1998US5730043 Hydraulic axial piston motor with piston-cylinder arrangement located between the cylinder drum and the control plate
03/24/1998US5730041 Hydrostatic assembly with controlled spin
03/19/1998WO1998011345A1 Hydraulic pump and hydraulic engine
03/04/1998CN1175299A Brake device for a hydraulic motor
02/1998
02/26/1998WO1998007962A1 Thermal hydraulic engine
02/05/1998DE19642021A1 Axial pump or motor
01/1998
01/28/1998EP0821163A1 Apparatus for controlling swash-plate pump and motor
01/15/1998DE19653591C1 Fluid distributor for hydraulic, radial piston-type pump or motor
01/08/1998DE19642022A1 Axial-piston hydraulic motor used in road vehicle
01/06/1998US5704274 Axial piston machine
01/02/1998DE19624534A1 Hydraulic vehicle drive transmission
01/02/1998DE19624533A1 Hydraulic single wheel drive for drop frame bus
12/1997
12/30/1997CA2088662C Multi-chamber rotary lobe fluid machine with positive sliding seals
12/23/1997US5699715 Piston for a reciprocating piston machine
12/17/1997CN2270820Y Hydraulic speed-regulating bevel-type differential motor
12/16/1997US5697765 Hydraulic motor
12/16/1997US5697286 Fluid pressure unit with brake means
11/1997
11/19/1997CN1164954A Hydraulic oscillator
11/18/1997US5687631 Speed change mechanism for swash plate type hydraulic motor
11/11/1997US5685215 Hydraulic piston engine driven by a lubricant-free, water-based fluid
11/04/1997US5683230 Pressure medium driven device performing linear motion
10/1997
10/22/1997EP0679224B1 Hydraulic machine and method for assembling a piston and slider shoe unit
10/22/1997CN1036218C Hydraulic drive system
10/02/1997DE19612308A1 Drive for mixing drum, especially concrete mixer
09/1997
09/24/1997EP0797020A1 Brake device for a hydraulic motor
09/10/1997EP0679226B1 Hydraulic axial piston machine
09/09/1997US5664476 Pressurized fluid motor
08/1997
08/21/1997DE19605524A1 Hydrostatic wheel drive
08/19/1997US5657681 For operating a heavy duty industrial working unit
08/14/1997WO1997029334A1 Rotary, regenerative heat exchanger having hydraulic motor motion
07/1997
07/31/1997DE19602770A1 Pressure medium machine, especially hydraulic motor or pump
07/22/1997US5649468 Swash plate type hydraulic motor having offset swash plate pivot axis
06/1997
06/03/1997US5634526 Hydrostatic transmission center section
05/1997
05/27/1997US5632191 Piston roller alignment configuration for a radial piston mechanism
05/21/1997EP0774073A1 Hydraulic axial piston machine with an inclined plate
05/20/1997US5630707 Variable displacement mechanism for swash plate type hydraulic pump and motor
05/06/1997US5626204 Hydrostatic transaxle
04/1997
04/30/1997DE19618539A1 Swashplate-type plunger pump
04/29/1997US5624340 Drive unit with coaxial motor, planetary transmission and output shaft
04/22/1997US5622097 Hydraulic piston machine
04/16/1997EP0679228B1 Pressure-applying arrangement in a hydraulic axial piston machine
04/02/1997CN1146793A Variable displacement piston machine for reducing noise and vibration by reducing pulsation of discharge fluid
03/1997
03/25/1997US5613838 Rotary piston fluid handler
03/05/1997EP0679225B1 Hydraulic piston machine
02/1997
02/11/1997US5601009 Hydraulic machine and method for assembling a piston and slider shoe unit
02/06/1997WO1997004233A1 Axial piston micropump
01/1997
01/29/1997EP0756084A1 Variable displacement piston machine for reducing noise and vibration by reducing pulsation of discharge fluid
01/16/1997DE19525852A1 Axialkolben-Mikropumpe Axial piston micropump
01/14/1997US5593000 Hydrostatic transaxle
01/08/1997EP0752530A1 Reciprocating piston machine with swash plate mechanism
01/07/1997US5590525 Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same
01/02/1997EP0751294A1 Hydraulic motor with flushing valve
12/1996
12/31/1996US5588347 Hydraulic axial piston machine with an inclined plate
11/1996
11/26/1996US5577572 Hydrostatic transmission center section
11/21/1996DE19517801A1 Hydraulic transmission with closed circuit as compact axle
11/12/1996US5572919 Apparatus for controlling pressure in a cylinder chamber of a hydraulic pump-motor
10/1996
10/17/1996WO1996032587A1 Apparatus for controlling swash-plate pump and motor
10/01/1996US5560277 Structure for adjusting swash plate angle of a variable displacement hydraulic motor
09/1996
09/25/1996EP0733167A1 Hydraulic axial piston motor
09/25/1996EP0733166A1 Hydraulic axial piston motor
09/25/1996EP0733164A1 Hydraulic piston engine
09/24/1996US5558003 Hydraulic motor provided with a device for selecting its active cubic capacity
09/12/1996DE19522448C1 Hydraulic motor with flushing valve, esp. radial piston motor
08/1996
08/20/1996US5547348 Radial piston fluid machine and/or adjustable rotor
08/06/1996US5542494 Hydrostatic transmission and axle assembly
07/1996
07/30/1996US5540139 Hydraulic axial piston machine
07/04/1996WO1996020355A1 Brake device for a hydraulic motor
06/1996
06/25/1996US5528978 Hydromechanical drive assembly
05/1996
05/22/1996EP0712467A1 Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same
05/07/1996US5513717 Hydrostatic transmission and axle assembly
05/02/1996WO1996012889A1 Variable-speed hydraulic motor
04/1996
04/24/1996CN1121332A Hydrostatic-mechanical gear for driving a mixing drum
04/18/1996WO1996011336A1 Hydraulic motor equipped with brake device
04/10/1996EP0705976A1 Variable displacement mechanism for swash plate type hydraulic pump and motor
04/10/1996CN2224298Y Hydraulic motor for hydraulic piston pump by directly using water as power liquid
04/10/1996CN1120366A Hydraulic drive system
04/09/1996US5505279 Hydrostatic transmission and axle assembly
03/1996
03/14/1996DE4432136A1 Hydromechanical drive unit with hydrostatic axial piston engine and single stage secondary planetary gear
03/14/1996DE4432134A1 Drive system with coaxial arrangement of motor, planetary drive and PTO shaft e.g. for excavator electric or hydraulic motors
03/12/1996US5497622 Time delay valve of a hydraulic motor
02/1996
02/21/1996EP0536111B1 A machine for transforming pressure or potential energy of a fluid into mechanical work
02/07/1996EP0695230A1 Hydrostatic-mechanical gear for driving a mixing drum
02/06/1996US5488894 Hydraulic axial piston motor
02/01/1996WO1996002756A1 Hydraulic piston machine
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28