Pressure protection valve

Details Pressure protection valve Pressure protection valve

2005-12-06

2005-12-06

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S533190, C137S536000, C137S540000

Reexamination Certificate

active

06971404

ABSTRACT:
A pneumatic valve (10) for selectively controlling fluid flow through a pneumatic system of a vehicle is disclosed. The valve (10) includes a housing (12) having a cavity (28). The cavity includes an inlet (16) and an outlet (18). A flow controller (40) is disposed within the housing (12) for selectively controlling fluid flow through the housing (12). The flow controller (40) is actuatable to an open position, where the inlet (16) is in fluid communication with the cavity (28) and the outlet (18) is in fluid communication with a pneumatically operated device. The flow controller (40) is also actuatable to a closed position, where the flow controller (40) substantially impedes fluid from flowing through the housing (12). The flow controller (40) is actuatable between the open and closed positions in response to a predetermined fluid pressure within the pneumatic system.

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