Hydraulic pressure control system of automatic transmissions for

Details Hydraulic pressure control system of automatic transmissions for Hydraulic pressure control system of automatic transmissions for

1985-09-26

1988-06-28

Gruber, Felix D.

Boots, shoes, and leggings

74752D, 74865, 74868, B60K 4108, F16H 374, G05D 1501

Patent

active

047544031

ABSTRACT:
A hydraulic pressure control system used to reduce the shock associated with the shifting of a vehicular automatic transmission, wherein the speed of the transmission output shaft and the locking element of a planetary gear set are measured, and pressure is applied to said locking element in order to adjust the speed of said element, relative to the output shaft during shifting.

REFERENCES:
patent: 4501175 (1985-02-01), Tatsumi
patent: 4506563 (1985-03-01), Hiramatsu
patent: 4513639 (1985-04-01), Hiramatsu
patent: 4519273 (1985-05-01), Shimizu et al.
patent: 4538482 (1985-09-01), Hiramatsu
patent: 4561328 (1985-12-01), Hiramatsu

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