Pressure balanced supply valve for vehicle brake system with...

Details Pressure balanced supply valve for vehicle brake system with... Pressure balanced supply valve for vehicle brake system with...

2011-06-28

2011-06-28

Rodriguez, Pam (Department: 3657)

Fluid-pressure and analogous brake systems

With pump

C303S113200, C303S901000, C137S112000

Reexamination Certificate

active

07967393

ABSTRACT:
A pressure balanced supply valve for use in a vehicular braking system. A housing defines a first chamber, a second chamber, a first fluid conduit for connection to a master cylinder, a second fluid conduit for connection to a hydraulic pump, and a third fluid conduit connected between the first and second fluid conduits. The second fluid conduit communicates with both the first chamber and the second chamber. A valve seat is defined in the third fluid conduit. A movable valve element is movable to a first position sealing against the valve seat to prevent fluid flow between the first and second conduits through the third conduit, and to a second position permitting fluid flow between the first and second conduit through the third conduit. The movable valve element is exposed to pressures in both the first and second chambers so as to be pressure balanced in operation.

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