Fluid pressure supply arrangement for fluid operated countershaf

Details Fluid pressure supply arrangement for fluid operated countershaf Fluid pressure supply arrangement for fluid operated countershaf

1977-07-27

1979-09-25

Scott, Samuel

Machine element or mechanism

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

Preselected indexed position

74864, 74866, 74869, B60K 4118, B60K 4116

Patent

active

041686381

ABSTRACT:
A fluid pressure supply arrangement for the hydraulic control system of an automated countershaft power transmission for an automotive vehicle, wherein a fluid pressure is generated by vacuum supplied through a vacuum cut-off valve and is directed to the hydraulic control system through a pressure cut-off valve, each of the vacuum and pressure cut-off valves being closed when the engine is at rest and simultaneously the gearshift control lever for the power transmission is held free from a manipulative force.

REFERENCES:
patent: 2766639 (1956-10-01), Rosenberger
patent: 3292448 (1966-12-01), Roskopf
patent: 3683721 (1972-08-01), Uozumi et al.
patent: 3823621 (1974-07-01), Kubo et al.
patent: 4023443 (1977-05-01), Usui et al.

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