F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/37
F16K 31/42 (2006.01) B60T 13/38 (2006.01) B60T 13/66 (2006.01) B60T 15/04 (2006.01)
Patent
CA 1219513
(Case No. 8148) ABSTRACT OF THE DISCLOSURE A solenoid-operated fluid control valve having manual override and fluid latching for establishing a fluid path between a supply port and a delivery port when a brake- release solenoid pilot valve coil is momentarily energized to cause a pilot piston to close an exhaust valve and to open a supply valve for causing feedback pressure to be fed from a delivery chamber to a pilot chamber for fluid latching the pilot piston in a brake-release position until a brake- application solenoid pilot valve coil is momentarily ener- gized which causes the pilot chamber to exhaust to atmosphere so that the pilot piston returns and opens the exhaust valve and allows the closure of the supply valve.
459727
American Standard Inc.
Fetherstonhaugh & Co.
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