Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16H - Gearing › F16H 39 - Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
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)
01/2001
01/23/2001US6176086 Hydrostatic transmission in one housing
01/10/2001CN1279366A Hydraulic pump and motor and their combined hydraulic apparatus
12/2000
12/26/2000US6164402 Control of pump for hydraulic front wheel drive
12/21/2000WO2000077426A1 Hydrostatic traveling mechanism
12/14/2000DE10017901A1 Hydrostatischer Fahrantrieb Hydrostatic drive
11/2000
11/30/2000WO2000071905A2 Split-torque power transmission
11/30/2000WO2000071379A1 Hydrostatic travelling mechanism
11/28/2000US6151990 Hydrostatic transaxle having a casing split along one or more vertical planes
11/28/2000US6151895 Hydrostatic transmission system
11/23/2000DE19923516A1 Hydrostatic drive, especially for commercial vehicle used in forestry work, has second hydraulic pump and second hydraulic motor in open hydraulic circuit connected to it via feed line and which drives second wheel on vehicle
10/2000
10/24/2000US6138069 Utility vehicle with work-performing attachment
10/11/2000CN1269870A Swash plate hydraulic device
09/2000
09/26/2000US6122914 Swash plate type continuously variable transmission
09/20/2000CN1266959A Hydraulic driver of shaft driven electric generator
09/07/2000DE19909279A1 Drive for hydraulic consumer e.g. on fork lift truck has electric linear motor driving pump piston
08/2000
08/29/2000US6109034 Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces
08/29/2000US6109033 Compact coaxial piston transmission
08/17/2000DE19857726A1 Rotary piston pump/motor unit has working chamber with volume adjusted by relative movement of cylinder housing and rotary piston
08/16/2000EP1028020A2 Hydrostatic transmission having two-piece pump and motor block assembly
08/16/2000EP1028019A2 Hydrostatic transaxle having axial piston motor and method for manufacturing transaxles
08/09/2000EP1026025A1 Transmission device for mobile engine with at least two serially arranged displacement motors
08/08/2000US6099262 Axial piston machine
07/2000
07/19/2000CN1260866A Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces
07/11/2000US6085521 Concentric axial piston transmission
06/2000
06/28/2000EP1013929A1 Swash plate hydraulic device
06/21/2000DE19959618A1 Hydrostatic gear has motor and pump installed within a single-piece cast housing, minimising cost and maximising reliability
06/21/2000CN2384038Y Hydraulic gearing
06/14/2000CN1256363A Hydrostatic drive in one shell
06/13/2000US6073443 Axle driving apparatus
05/2000
05/24/2000EP1002685A2 Control of pump for hydraulic front wheel drive
05/18/2000WO2000028240A1 Hydraulic differential
05/17/2000EP1000791A1 Transmission mechanism of vehicle with hst and pressure oil feeding device for the mechanism
05/16/2000US6062022 Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch
03/2000
03/02/2000DE19838651A1 Drive system for a vehicle with three hydraulic wheel sets in which one and a half motors is supplied from the two halves of a double pump
02/2000
02/29/2000US6030196 Hydraulic variable-speed gear motor supplied with fluid and providing a variable torque
02/23/2000CN2365457Y Automatic regulating speed driving device
02/16/2000EP0979363A1 Swashplate assemblies for infinitely variable hydrostatic transmissions
02/10/2000WO2000006408A1 Hydrostatic drive with differential lock
02/10/2000DE19833942A1 Hydrostatischer Fahrantrieb mit Differentialsperre Hydrostatic drive with differential lock
02/09/2000EP0977956A1 Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch
02/02/2000EP0975902A1 Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces
12/1999
12/29/1999EP0966362A1 Axle driving apparatus
12/23/1999WO1999066230A1 Hydraulic transmission
12/23/1999CA2335129A1 Hydraulic transmission
12/16/1999WO1999064264A1 Transmission mechanism of vehicle with hst and pressure oil feeding device for the mechanism
12/02/1999WO1999061820A1 Variable speed vehicle powertrains
11/1999
11/30/1999US5992150 Transaxle with hydrostatic transmission
11/17/1999CN2349405Y Rotator type hydraulic speed-changing transmitting device
11/09/1999US5979271 Axle driving apparatus
11/03/1999CN1233720A Double inclined plate synchronous rotation internal power split stream hydraulic variable speed unit
11/02/1999US5974799 Hydrostatic continuously variable transmission
10/1999
10/20/1999EP0857264A4 An axle driving apparatus
10/19/1999US5967927 Continuously variable transmission for use on vehicle
10/06/1999EP0763171B1 Continuously variable hydrostatic transmission
08/1999
08/24/1999US5941156 Fluid communication valve for high and low pressure ports of a differential hydraulic motor
08/17/1999US5938224 Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft
07/1999
07/13/1999US5921151 Integrated hydrostatic transmission
07/07/1999EP0739462B1 Ratio controller for a hydrostatic transmission
06/1999
06/02/1999DE19725600A1 Automatic hydraulic transmission for bicycles and hand-powered wheelchairs
06/02/1999CN1218155A Method for hydraulic coupling transmission
05/1999
05/27/1999DE19749591A1 Hydraulic torque converter with cog wheel
05/26/1999EP0918176A2 Continuously variable hydrostatic transmission
05/20/1999WO1999024737A1 A method for continuously changing speed ratios
05/18/1999US5904043 Combined mode hydrostatic transmission
04/1999
04/28/1999EP0911204A2 Power transmitting system in four-wheel drive vehicle
04/27/1999US5896745 Swashplate assemblies for infinitely variable hydrostatic transmissions
04/07/1999CN1213052A Swash plate type continuously variable transmission
03/1999
03/18/1999WO1999013222A1 Swash plate hydraulic device
03/17/1999EP0902212A2 Swash plate type continuously variable transmission
03/09/1999CA2114392C Bevel gear load balance in a hydrostatic transmission
01/1999
01/26/1999US5862664 Charging pump for a hydrostatic transmission
12/1998
12/30/1998CN1203652A Continuously variable hydrostatic transmission with neutral-setting hydraulic circuit
12/22/1998US5850736 Hydrostatic Transmission
12/16/1998EP0750726B1 Continuously variable hydrostatic transmission having ratio controller actuating components incorporated in output shaft
12/09/1998EP0753113B1 Improved ratio controller for continuously variable hydrostatic transmission
11/1998
11/24/1998US5839889 Infinitely variable vane-type hydraulic machine
11/17/1998US5836158 Automatic clutch device for hydrostatic continuously variable transmission
11/05/1998WO1998049468A1 Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch
11/05/1998WO1998049467A1 Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces
11/05/1998WO1998049466A1 Swashplate assemblies for infinitely variable hydrostatic transmissions
11/05/1998CA2288729A1 Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch
11/05/1998CA2287919A1 Swashplate assemblies for infinitely variable hydrostatic transmissions
11/05/1998CA2287183A1 Continuously variable hydrostatic transmission ratio controller capable of generating amplified stroking forces
10/1998
10/29/1998WO1998048200A1 Controlled hydraulic transmission
10/28/1998EP0874179A2 Hydrostatic transmission with dump valve
09/1998
09/30/1998CN1194344A Hydraulic control planet gear type stepless speed change driving method
09/23/1998EP0736702B1 Hydraulic speed variator
09/17/1998WO1998040236A1 Axle driving apparatus
09/08/1998US5802931 Axle driving apparatus
09/01/1998US5799487 Automatic inertial continuously variable hydrostatic transmission
09/01/1998US5799486 Axle driving apparatus
08/1998
08/12/1998EP0857264A1 An axle driving apparatus
07/1998
07/29/1998EP0854988A1 Continuously variable hydrostatic transmission with neutral-setting hydraulic circuit
07/21/1998US5782091 Hydrostatic continuously variable transmission
07/21/1998US5782083 Drive systems
07/08/1998EP0852306A1 Geared variable hydraulic motor
06/1998
06/30/1998US5772225 For transmitting power between first and second mechanical movement
06/10/1998EP0846234A1 Stepless adjustable hydraulic transmission
04/1998
04/23/1998DE19740554A1 Combined hydrostatic and hydro-mechanical transmission for motor vehicle
04/16/1998DE19740553A1 Differential hydraulic motor for vehicles
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