Machine element or mechanism – Elements – Gear casings
Patent
1982-09-15
1985-10-08
Herrmann, Allan D.
Machine element or mechanism
Elements
Gear casings
74730, F16H 4708
Patent
active
045452644
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.
REFERENCES:
patent: 2077487 (1937-04-01), Lyman
patent: 3048057 (1962-08-01), Dodge
patent: 3270585 (1966-09-01), Livezey
patent: 3542174 (1970-11-01), Hattori
patent: 3566998 (1971-03-01), Honda
patent: 3903757 (1975-09-01), Hau et al.
patent: 4018106 (1977-04-01), Uozumi et al.
Esenovskij-Laskov Jurij K.
Giruckij Olgert I.
Hau Antonin
Srubar Jiri
Desai Shirish
Herrmann Allan D.
Ustav Pro Vyzkum Motorovych Vozidel
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