Automatic differential transmission gear
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 8, 1985
Grant Date -
N/A
app pub date -
Sep 15, 1982
filing date -
Sep 15, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Automatic differential transmission gear particularly suitable for motor vehicles comprising a speed reducing gear box with a reduction planetary gear and a collecting planetary gear. The gear box has two input shafts, one of which is connected with the reduction planetary gear and the second of which is connected with the collecting planetary gear. In one preferred embodiment, the input shaft of the reduction planetary gear is selectively connected firmly or by way of a hydrodynamic element with the input shaft of the automatic differential transmission gear, and the input shaft of the collecting planetary gear is adapted to be connected with the input shaft of the automatic differential transmission gear by a connecting element in the form of two friction clutches. The first clutch is firmly connected with the input shaft of the collecting planetary gear, and the second clutch is firmly connected to the input shaft of the collecting planetary gear, the second clutch is connected to the input shaft of the collecting planetary gear by a selectively operated freewheel device.
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