Patents
Patent data provided by The
European Patent Office
and updated through early 2009. Full text patent data loaded weekly coming soon.
-
First
-
Previous
-
1
-
US2924123 (A), filed
(unknown)
, published
(unknown)
- MOTOR INDUSTRY RES ASS
US3132533 (A), filed
(unknown)
, published
(unknown)
- FORD MOTOR CO
US3132534 (A), filed
(unknown)
, published
(unknown)
- FORD MOTOR CO
US3545579 (A), filed
(unknown)
, published
Dec 08, 1970
- CATERPILLAR TRACTOR CO
US3620130 (A), filed
(unknown)
, published
Nov 16, 1971
- BORG WARNER
US3714845 (A), filed
Aug 24, 1971
, published
Feb 06, 1973
- GEN MOTORS CORP
A hydromechanical transmission having a variable ratio hydrostatic drive unit, two planetary gear sets and three friction drive establishing devices combined to provide an all-hydrostatic drive in a low speed range in both forward and reverse and split power...
US3714846 (A), filed
Feb 23, 1971
, published
Feb 06, 1973
- SUNDSTRAND CORP
A hydromechanical transmission having plural power paths, one being a mechanical path and the other being a hydraulic path with an output differential for combining the torque of the two paths and providing an output for the transmission, there being provided...
US3722324 (A), filed
Nov 01, 1971
, published
Mar 27, 1973
- SUNDSTRAND CORP
A hydromechanical transmission operable in a plurality of modes, comprising, an input shaft, an output shaft, an intermediate shaft, a pair of variable displacement hydraulic units connected in circuit to function as pump and motor, a first three-element...
US3733931 (A), filed
Aug 16, 1971
, published
May 22, 1973
- SUNDSTRAND CORP
US3748924 (A), filed
Apr 10, 1972
, published
Jul 31, 1973
- GEN MOTORS CORP
A hydrostatic transmission having a variable displacement hydraulic pump in fluid communication with a pair of variable displacement hydraulic motors. The output shafts of the hydraulic motors are drivingly connected respectively to two members of a simple...
US3803843 (A), filed
Jan 22, 1973
, published
Apr 16, 1974
- SUNDSTRAND CORP
An infinitely variable hydromechanical transmission for a highway truck or the like including a hydraulic pump and motor together with a mechanical differential, means for varying the displacement of one of the hydraulic units, a low range clutch for...
US4019404 (A), filed
Mar 21, 1975
, published
Apr 26, 1977
- SUNDSTRAND CORP
A power transmission having both mechanical and hydraulic power paths to a simple planetary differential unit to provide a double hydro-hydromechanical transmission with a low-speed, high torque, hydrostatic drive range by causing counterrotation of two gear...
US4096768 (A), filed
Oct 03, 1975
, published
Jun 27, 1978
- AISIN SEIKI
In a hydro-mechanical transmission for automobiles which has an input shaft, an output shaft, a differential gear set including an input element connected to the input shaft and an output element connected to the output shaft and two reaction elements, a first...
