Automatic transmission with overdrive

Details Automatic transmission with overdrive Automatic transmission with overdrive

1978-12-05

1981-06-23

Braun, Leslie

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

74606R, 74781R, F16H 3700, F16H 5702

Patent

active

042743036

ABSTRACT:
An automatic transmission including: a torque converter; a torque converter housing; an oil pump; an overdrive gear mechanism; an overdrive case; an underdrive gear mechanism; a transmission case for the underdrive gear mechanism; an oil pan under the underdrive gear mechanism; and a hydraulic control device controlling a hydraulic pressure to be delivered to the overdrive and underdrive gear mechanisms. In this automatic transmission, the overdrive case is formed with a first passage connected to an inlet port of the oil pump, a second passage connected to a discharge port of the oil pump, a third passage connected to an inlet port of the torque converter, and a fourth passage connected to an outlet port of the torque converter, with the second, third and fourth passages being connected to the hydraulic control device.

REFERENCES:
patent: 2505857 (1950-05-01), Gregory
patent: 2576336 (1951-11-01), Farkas
patent: 2916932 (1959-12-01), Patterson
patent: 3053115 (1962-09-01), Cartwright et al.
patent: 3173310 (1965-03-01), Moan
patent: 3237476 (1966-03-01), Jandasek
patent: 3282129 (1966-11-01), Gabriel
patent: 3403584 (1968-10-01), Ellis et al.
patent: 3463033 (1969-08-01), Fisher
patent: 3473411 (1969-10-01), Paredes
patent: 3543607 (1970-12-01), Schmidt et al.
patent: 3724292 (1973-04-01), Borman
patent: 3797332 (1974-03-01), Cameron et al.

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