Planetary gear transmission systems or components – With means to vary drive ratio or disconnect drive – Plural elements selectively braked
Patent
1992-05-04
1993-10-05
Braun, Leslie A.
Planetary gear transmission systems or components
With means to vary drive ratio or disconnect drive
Plural elements selectively braked
475277, 475279, F16H 5710, F16H 132
Patent
active
052500110
ABSTRACT:
A multiple speed transmission for use in an automotive vehicle driveline includes a torque converter and three simple planetary gear units, one-way clutches and brakes, friction clutches, and friction brakes. The engaged and disengaged state of the friction elements permit the transmission to produce several underdrive speed ratios, a direct drive ratio and several overdrive ratios. The transmission output shaft is geared to produce a direct drive connection to the spindle of an axle differential, which drives wheels fixed to the axle shafts.
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U.S. Ser. No. 07/722,453 filed Jun. 27, 1991.
U.S. Ser. No. 07/862,929 filed Apr. 3, 1992.
Braun Leslie A.
Ford Motor Company
Henn David E.
May Roger L.
McKenzie Frank G.
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