Hydraulic control device for automatic change-speed transmission

Details Hydraulic control device for automatic change-speed transmission Hydraulic control device for automatic change-speed transmission

1976-06-03

1977-06-21

Geoghegan, Edgar W.

Machine element or mechanism

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

Preselected indexed position

60484, 91411R, B60K 2100

Patent

active

040303810

ABSTRACT:
Hydraulic control device for automatic change-speed transmissions, especially for motor vehicles, which comprises a fluid reservoir, a pump supplied from said reservoir, a main pressure regulation valve determining the line pressure of the device and supplied from said pump, a hydraulic circuit connected to said main pressure regulation valve and feeding a series of hydraulic receivers through an assembly of auxiliary regulation valves associated with time-lag means, respectively, one of said valves being supplied through a cut-off valve, said device further comprising at least one delivery conduit supplying fluid to a group of hydraulic elements mainly consisting of a flap valve and a gauged orifice connected in parallel.

REFERENCES:
patent: 3785224 (1974-01-01), Will
patent: 3881372 (1975-05-01), Miyauchi et al.
patent: 3895542 (1975-07-01), Miyauchi

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