Centrifugal hydraulic head relief valve

192 clutches and power-stop control – Clutches – Operators

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Details

91442, 192 85AA, F16D 25063, F16D 2514

Patent

active

043999000

ABSTRACT:
A pressure responsive relief valve closing responsive to clutch actuating pressure and opening responsive to centrifugal forces and a spring force to relieve residual pressure in the hydraulic actuator of a rotating clutch to avoid clutch drag.

REFERENCES:
patent: 2297480 (1942-09-01), Kratzmann
patent: 2588724 (1952-03-01), Hobbs et al.
patent: 2642844 (1953-06-01), Flinn
patent: 2864479 (1958-12-01), Schindler
patent: 2909256 (1959-10-01), Chung
patent: 3094203 (1963-06-01), Jania et al.
patent: 3534840 (1970-10-01), Snoy
patent: 3762520 (1973-10-01), Busch
patent: 4186829 (1980-02-01), Schneider et al.

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