Planetary transmission

Details Planetary transmission Planetary transmission

1980-09-29

1984-01-31

Staab, Lawrence J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74753, 74764, 74411, F16H 5710

Patent

active

044282540

ABSTRACT:
A transmission comprises a rotatable output; a rotatable input; three planetary gear sets each having rotatable first, second and third elements and planet gears; rigid rotatable couplings connecting the second element of each set with one element of one other set and connecting the third element of each set with a different element of one other set, the remaining elements of each set being uncoupled and being of the same kind; a brake for locking each coupling against rotation; the uncoupled element of one set being driven by the input and the uncoupled element of a second set driving the output; and a clutch arrangement for selectively connecting the uncoupled element of the third set with either or both of the uncoupled elements of the first and second sets.

REFERENCES:
patent: 1717097 (1929-06-01), Normanville
patent: 2354257 (1944-07-01), Greenlee
patent: 2877668 (1959-03-01), Kelbel
patent: 3234821 (1966-02-01), Himmel et al.
patent: 3475992 (1969-11-01), West, Jr. et al.
patent: 3956946 (1976-05-01), Murakami et al.
patent: 3999448 (1976-12-01), Murakami et al.
patent: 4027551 (1977-06-01), Murakami et al.
patent: 4027552 (1977-06-01), Murakami et al.

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