Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Impeller-turbine type fluid circuit and mechanical path in...
Patent
1988-03-11
1990-05-01
Diehl, Dwight G.
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Impeller-turbine type fluid circuit and mechanical path in...
475 53, F16H 4708
Patent
active
049208268
ABSTRACT:
A transmission apparatus has an epicyclic gear unit and a torque converter. One element of the epicyclic gear unit is connected to one element of the torque converter, and another element of the epicyclic gear is connected to another element of the torque converter. The third element of the epicyclic gear unit is connected to a first shaft. A second shaft is connected to one other element of the transmission apparatus. In a preferred embodiment, a variable ratio is provided between the two shafts, with the torque converter regulating this ratio.
REFERENCES:
patent: 2494466 (1950-01-01), Wolf
patent: 2704468 (1955-03-01), Horton et al.
patent: 2899844 (1959-04-01), Hattan
patent: 3500704 (1970-03-01), Muller et al.
patent: 3518898 (1970-07-01), Wagner
patent: 3587345 (1971-06-01), Johnson
patent: 4120213 (1978-10-01), Levy
patent: 4408501 (1983-10-01), Liang et al.
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