Four speed torque converter transaxle and accessory drive system

Details Four speed torque converter transaxle and accessory drive system Four speed torque converter transaxle and accessory drive system

1981-09-14

1984-06-19

Braun, Leslie

Machine element or mechanism

Elements

Gear casings

74665A, 74695, 74759, 192 8715, F16H 4708, F16H 3706, F16H 3708, F16D 1900

Patent

active

044547862

ABSTRACT:
A four speed ratio transaxle for an automotive vehicle driveline comprising two simple planetary gear units arranged with fluid pressure operated clutches and brakes to provide four forward driving ratios, the top speed ratio being a direct drive, two of the ratio controlling clutches having a common fluid pressure cylinder and a pair of nested clutch actuating pistons to provide maximum space economy, one of the ratio changing clutches being arranged in radial disposition with respect to a reverse brake band, and a two speed accessory drive connected to torque delivery elements of the transaxle including an integrated transmission pump for supplying clutch-and-brake actuating pressure.

REFERENCES:
patent: Re27937 (1974-03-01), Hensel
patent: 2919608 (1960-01-01), Hause
patent: 3103832 (1963-09-01), Foerster
patent: 3279573 (1966-10-01), Hensel
patent: 3355967 (1967-12-01), Moan
patent: 3386314 (1968-06-01), Stockton
patent: 3466947 (1969-09-01), Smith
patent: 3507168 (1970-04-01), Carp
patent: 3611835 (1971-10-01), Borman
patent: 3620100 (1971-11-01), Chana
patent: 3772940 (1973-11-01), Ohtsuka et al.
patent: 3986413 (1976-10-01), Stockton
patent: 4226123 (1980-10-01), Croswhite
patent: 4287781 (1981-09-01), Zenker

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