Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Plural planetary units
Patent
1992-10-19
1995-04-18
Wright, Dirk
Planetary gear transmission systems or components
Nonplanetary variable speed or direction transmission...
Plural planetary units
475221, 475298, 254297, 254310, B66D 126, B66D 122
Patent
active
054073987
ABSTRACT:
A dual drum drive unit, in particular for a ropeway, with at least one motor includes a transmission unit for dividing the motor power to the drums in order to attain a high efficiency. The transmission unit includes a first gearing which is operatively connected to the motor and has an output, and a second gearing which is operatively connected to the first gearing and has two outputs which are respectively connected to the drums, with the output of the first gearing being selectively connectable with the two outputs of the second gearing.
REFERENCES:
patent: 1269524 (1918-06-01), Collier
patent: 3092370 (1963-06-01), Kennedy
patent: 3460807 (1969-08-01), Prikhodko et al.
patent: 4216942 (1980-08-01), Takematsu et al.
patent: 4449697 (1984-05-01), Hicks
Feiereisen Henry M.
Ta Khoi Q.
Wright Dirk
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