Compensated throttle valve

Details Compensated throttle valve Compensated throttle valve

1983-08-17

1986-07-01

Dorner, Kenneth J.

Machine element or mechanism

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

Preselected indexed position

74868, B60K 4104

Patent

active

045973130

ABSTRACT:
A hydraulic control for an automatic transmission has a throttle valve providing a control pressure which is used in part to determine the transmission shift pattern. The throttle valve has a control area which is normally connected to exhaust. A solenoid responsive to the energizing of a high load engine accessory is operable to close the control area exhaust thereby causing the throttle valve to acknowledge the change in engine power available for vehicle drive. The throttle valve control pressure is thus changed to provide a signal more closely related to the engine torque available.

REFERENCES:
patent: 2903083 (1959-09-01), Kelley
patent: 3643526 (1972-02-01), Thornburgh
patent: 3688606 (1972-09-01), Lemieux et al.
patent: 3727487 (1973-04-01), Forster et al.
patent: 4257441 (1981-03-01), Iwanaga et al.
patent: 4283970 (1981-08-01), Vukovich
patent: 4346627 (1982-08-01), Kawamoto et al.

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