Hydraulic control system for automatic transmission with shockle

Details Hydraulic control system for automatic transmission with shockle Hydraulic control system for automatic transmission with shockle

1984-02-17

1985-12-03

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74865, 74758, B60K 4108, F16H 5710

Patent

active

045559643

ABSTRACT:
Disclosed herein is a hydraulic control system wherein under the control of a servo release changeover valve 23, a line pressure is supplied to a servo release fluid chamber (S/R) for a brake (B2) via a first flow path (434-435-437-444) at a flow rate determined by an orifice (616) during 2-3 shifting, and via a second flow path (412-435-437-444) at a flow rate determined by an orifice (617) during 4-3 shifting.

REFERENCES:
patent: 3656373 (1972-04-01), Shimosaki
patent: 3707890 (1973-01-01), Ito
patent: 3710638 (1973-01-01), Sakai
patent: 3728915 (1973-04-01), Clark
patent: 3830258 (1974-08-01), Leach
patent: 3896685 (1975-07-01), Shellman
patent: 4065985 (1978-01-01), Taga
patent: 4313354 (1982-02-01), Iwanaga
patent: 4413536 (1975-11-01), Whitney et al.
patent: 4446759 (1984-05-01), McCrary
patent: 4467675 (1984-08-01), Sugano et al.
patent: 4474084 (1984-10-01), Sugano et al.
patent: 4476747 (1984-10-01), Kawamoto

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