F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
137/5
F15B 11/02 (2006.01) B60T 8/22 (2006.01) B60T 8/26 (2006.01) B60T 11/34 (2006.01) F16K 17/26 (2006.01)
Patent
CA 1203735
ABSTRACT OF THE DISCLOSURE An axial flow proportioning valve for use in auto- motive hydraulic brake systems employs a stepped elongated piston enclosed having an axial bore therein. Input hy- draulic fluid is conducted through the axial bore exiting into an area forming an annular chamber about the piston. When the input fluid pressure reaches a predetermined level the piston moves from its initial open position to a closed position until system forces cause the valve to again open. Thus a modulating effect results whereby the output pressure to input pressure relationship follows a predetermined curve.
441104
G. Ronald Bell & Associates
Kelsey-Hayes Company
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