Automatic transmission for automobiles

192 clutches and power-stop control – Clutch and brake – Vehicle type

Patent

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Details

192 9, 74783, B60K 4124

Patent

active

043243215

ABSTRACT:
An automatic transmission for automobiles having a gear means, a clutch and a brake, the engagement and disengagement of the clutch and the brake being changed over for shifting speed stages, wherein one of the mutually engageable friction elements of the brake is mounted to a housing of the transmission so as to be rotationally shiftable with respect to the housing through a small angle so that forward or backward rotary shifting of the friction element operates a transducer which generates an electric signal which, by means of an electric circuit means, operates a timing valve which is electrically controlled and controls supply or exhaust of oil pressure to or from the brake.

REFERENCES:
patent: 4072220 (1978-02-01), Hamada
patent: 4108291 (1978-08-01), Zenker
patent: 4142614 (1979-03-01), Fujioka
patent: 4183424 (1980-01-01), Rumyantsev et al.
patent: 4219109 (1980-08-01), Ushijima et al.
patent: 4225029 (1980-09-01), Ushijima

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