Patents
Patents for F16H 39 - Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution (1,535)
11/2002
11/05/2002US6474218 Hydrostatic continuously variable transmission
10/2002
10/31/2002US20020157392 Hydrostatic transmission having hydraulic dampening and neutral bleed mechanism
10/30/2002EP1253039A2 Hydrostatic transmission having hydraulic dampening and neutral bleed mechanism
10/29/2002US6470770 Power system for vehicle
10/25/2002CA2383680A1 Hydrostatic transmission having hydraulic dampening and neutral bleed mechanism
10/23/2002EP1250545A1 Automatic transmission
10/22/2002US6467263 Filter assembly for a hydrostatic transmission
10/17/2002DE10117139A1 Hydraulic gear pump or motor has at least one of gear wheels able to be moved radially to make the effective working thickness adjustable
10/16/2002EP1249640A2 Swash plate type hydraulic transmission
10/02/2002CN2514171Y Hydraulic transmission oil pumping unit
10/01/2002US6457546 Transmission mechanism of vehicle with HST and pressure oil feeding device for the mechanism
09/2002
09/17/2002US6449949 Axle driving system
09/12/2002WO2002070866A1 Rotary hydraulic machine
09/12/2002US20020128108 Hydrostatic transaxle having axial piston motor and method for manufacturing transaxles
09/12/2002DE10108533A1 Torque converter has hydraulic positive-displacement pump and motor, two rotors, rotary piston, fluid-filled chambers in housing and condenser plates or coils
08/2002
08/29/2002WO2002066869A1 Power unit
08/29/2002DE10138905A1 Hydrostatischer Antrieb Hydrostatic drive
08/21/2002CN2506818Y Hydraulic gearing mechanism with flow guiding taper
08/15/2002US20020108800 Vehicle improved steering
08/14/2002CN2505648Y Cycloidal hydraulic motor with built-in mechanical brake
08/08/2002US20020104314 Filter assembly for a hydrostatic transmission
08/07/2002CN1362581A Pneumatic transmission mechanism for transport machine acting also as a safeguard
07/2002
07/25/2002US20020095933 Hydrostatic transmission with pressure regulation means
07/23/2002US6422109 Hydrostatic transaxle having axial piston motor and method for manufacturing transaxles
07/23/2002CA2303035C Swash plate type hydraulic unit
07/17/2002CN1358944A Hydraulic rotary wheel
07/16/2002US6419041 Hydrostatic transmission and power transmission arrangement with the same for vehicle
07/11/2002US20020088223 Axle driving system
07/10/2002CN1087409C Improved driving device
07/04/2002US20020083707 Neutral start switch and adjustment assembly for a hydrostatic transmission
07/02/2002US6412367 Mounting structure for a hydrostatic unit
06/2002
06/20/2002US20020074767 Drive system
06/13/2002US20020069723 Mounting structure for a hydrostatic unit
06/12/2002EP1213508A2 Transmission with attachment device for hydrostatic transmission
06/12/2002CN2494893Y Liquid pressure gearing antifreezing pressure sampler
06/11/2002US6401568 Axle driving device having lobed bearings
06/04/2002US6397966 Vehicle improved in steering
05/2002
05/29/2002CN1085803C Double inclined plate synchronous rotation internal power split stream hydraulic variable speed unit
05/22/2002CN1350131A Angular power liquid conveyer
05/21/2002US6390052 Wobble engine
05/14/2002US6386307 Transmission apparatus for a vehicle having at least two drivable displacement members in line
05/14/2002US6385971 Axle driving apparatus
04/2002
04/30/2002US6378300 Neutral start switch and adjustment assembly for a hydrostatic transmission
04/25/2002WO2002033238A1 Fluid power transfer device
04/25/2002CA2426179A1 Fluid power transfer device
04/24/2002EP0857264B1 An axle driving apparatus
04/18/2002US20020043238 Wobble engine
04/17/2002EP1196315A2 Drive system
03/2002
03/28/2002WO2002025142A1 Improvements in or relating to transmission systems and apparatus incorporating same
03/27/2002CN2483558Y Hydraulic and speed variable driving device
03/19/2002US6357231 Hydraulic pump circuit for mini excavators
03/19/2002CA2225564C Transaxle with hydrostatic transmission
03/13/2002EP1185807A1 Hydrostatic traveling mechanism
03/06/2002CN1338579A Pump-type stepless speed variator with gears and roller bearing
02/2002
02/21/2002US20020020289 Hydrostatic continuously variable transmission
02/13/2002EP1178895A1 Hydrostatic travelling mechanism
02/05/2002US6343471 Hydrostatic transmissions and transaxles
01/2002
01/24/2002WO2002006704A1 Hydraulic continuously variable transmission and working machine vehicle
01/24/2002US20020010048 Power system for vehicle
01/24/2002DE10033803A1 Fork lift truck has hydrostatic propulsion drive coupled to common pump with hydraulic operating devices
01/03/2002WO2001053725B1 Automatic transmission
12/2001
12/20/2001WO2000071905A3 Split-torque power transmission
12/06/2001US20010047655 Hydrostatic transmission
12/04/2001US6324843 Hydraulic-mechanical type continuously variable transmission for vehicle
11/2001
11/27/2001US6321866 Hydrostatic power distribution/control logic system
11/27/2001CA2078742C Hydraulic power system having first and second power converters
11/20/2001US6318080 Hydrostatic transmission
11/15/2001WO2001086173A1 Hydraulic pump circuit for mini excavators
11/01/2001US20010035014 Hydrostatic vehicle driving system applicable to a working vehicle
10/2001
10/24/2001CN2455961Y Hydraulic coupler at fixed conduct outlet for throttling and speed regulating
10/16/2001US6301885 Hydrostatic transmission having two-piece pump and motor block assembly
10/03/2001CN2451811Y Mechanism capable of raising output power
09/2001
09/04/2001US6283009 Swash plate type hydraulic unit
08/2001
08/21/2001US6276468 Hydrostatic vehicle drive with differential lock
08/16/2001WO2001059330A1 Torque conversion system
08/15/2001CN2443193Y Double turbine hydraulic pitch changer
08/14/2001US6272854 Axle driving apparatus
07/2001
07/26/2001WO2001053725A1 Automatic transmission
07/26/2001CA2398534A1 Automatic transmission
07/25/2001CN1305571A Hydraulic transmission
07/24/2001US6263670 Loop flushing circuit for lubricating rotating elements in a hydrostatic transmission module
07/18/2001EP1082556A4 Variable speed vehicle powertrains
07/18/2001EP0975902B1 Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces
07/12/2001WO2001005647A3 Drive system
07/05/2001US20010005989 Hudrostatic transmission
07/03/2001US6253637 Control device for hydrostatic apparatus
06/2001
06/13/2001EP0977956B1 Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch
06/07/2001WO2001040683A1 Torque converter
06/07/2001WO2001040662A1 Method for operating a power plant and device for the implementation thereof
05/2001
05/30/2001CN2432387Y Ratchet hydraulic stepless speed variator
05/23/2001EP1100691A1 Hydrostatic drive with differential lock
05/22/2001US6233929 Axle driving apparatus
04/2001
04/11/2001CN1290821A Loop flushing circuit for lubricating rotary element in static hydraulic driving unit
04/10/2001US6213241 Power transmitting system in four-wheel drive vehicle
03/2001
03/28/2001EP1087154A1 Hydraulic transmission
03/14/2001EP1082556A1 Variable speed vehicle powertrains
02/2001
02/13/2001US6185936 Bypass for a hydrostatic transmission
01/2001
01/31/2001EP0721548B1 Automatic intertial continuously variable hydrostatic transmission
01/30/2001US6178746 Hydrostatic machines for use in transmission and transaxle product
01/25/2001WO2001005647A2 Drive system
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