Arrangement for simultaneous actuation of compensation valves

Details Arrangement for simultaneous actuation of compensation valves Arrangement for simultaneous actuation of compensation valves

2011-08-09

2011-08-09

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Pulsator

C060S562000

Reexamination Certificate

active

07992387

ABSTRACT:
A master cylinder having a housing with a bore wherein front and rear pistons are located by return springs to define front and rear chambers. The front and rear chambers are respectively connected by an axial port and a radial port in the housing to a reservoir. Communication of fluid between the bore and reservoir is controlled by a rear center compensation valve that is linked to a front center port compensation valve such that fluid communication between the front and rear chambers and reservoir is controlled by movement of the rear piston in response to an input force with a first and second actuation springs respectively closing the front and rear center port compensation valves to allow simultaneous pressurization of fluid in the front chamber and rear chamber that is supplied to front wheel brakes and rear wheel brakes to effect a brake application.

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International Search Report in corresponding PCT application (i.e., PCT/US2009/053410) mailed Oct. 21, 2009 (3 pages).

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