Shift valve for automatic transmission

Details Shift valve for automatic transmission Shift valve for automatic transmission

1984-09-28

1986-05-13

Michalsky, Gerald A.

Motors: expansible chamber type

With motive fluid valve

Unitary inlet and exhaust valve for single working chamber

74868, 13762566, F15B 13042

Patent

active

045878870

ABSTRACT:
A shift valve for an automatic transmission wherein governor pressure acts on a spool in such a direction as to compress a first spring, and throttle representative pressure acts on a plug in such a direction as to compress the first spring. The shift control valve further comprises a second spring arranged to act on the spool in the same direction as the direction in which the governor pressure acts on the spool.

REFERENCES:
patent: 2604197 (1952-07-01), Livermore
patent: 2733732 (1956-02-01), Baker
patent: 3096666 (1963-07-01), Christenson et al.
patent: 3908486 (1975-09-01), Mitamura et al.
patent: 4008630 (1977-02-01), Murakami et al.
patent: 4229998 (1980-10-01), Mizuno et al.
patent: 4274308 (1981-06-01), Iwanaga et al.
patent: 4532829 (1985-08-01), Sugano

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