Regulating valve for engagement control of friction drive device

Details Regulating valve for engagement control of friction drive device Regulating valve for engagement control of friction drive device

1997-12-12

1999-06-01

Bonck, Rodney H.

192 clutches and power-stop control

Elements

Thrust members, retarders, and stops

13762564, F16D 2512

Patent

active

059080981

ABSTRACT:
A clutch engagement control has a flow regulating valve to control the engagement timing of the clutch. The regulating valve responds to a flow signal to reduce the fluid flow rate through the valve after the clutch apply piston has taken up the clutch free running clearance. The regulating valve has a control area communicating with a venturi between the regulating valve and the apply piston such that a flow rate signal is present at the control area.

REFERENCES:
patent: 3601148 (1971-08-01), Jeffrey et al.
patent: 3935793 (1976-02-01), Murakami
patent: 5119697 (1992-06-01), Vukovich et al.

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