Ford Global Technolgoies, LLC

Ford Global Tech.inc

Thomas J Walsh

Timothy Gerard Offerle

Yuting Rui

David Scott Rohweder

Dexin Wang

A variable damper assembly is provided for use with a vehicle power steering system and includes a variable orifice valve which controls the flow of fluid between one chamber side of the damper assembly to another chamber side of the damper assembly. Variable orifice valve is communicatively coupled to a source of pressurized fluid by use of a conduit and an electronically controlled valve assembly The pressurized fluid received through conduit controls the operation of valve Based upon the pressure of the received fluid, valve selectively increases and reduces the fluid flow rate between chamber sides and thereby causing the damper assembly to have enhanced damping characteristics during certain vehicle operating conditions (e.g., during relatively high vehicle speed operating conditions).

Variable damper assembly

A rack and pinion power steering system is provided and includes a variable orifice valve which controls the flow of fluid in and out of a hydraulic cylinder . Variable orifice valve is communicatively coupled to a source of pressurized fluid by use of a conduit and an electronically controlled valve assembly . The pressurized fluid received through conduit controls the operation of valve . Based upon the pressure of the received fluid, valve selectively increases and decreases the volume of fluid flow in and out of cylinder , thereby causing cylinder to have enhanced damping characteristics during certain vehicle operating conditions (e.g., during relatively high vehicle speed operating conditions).

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Northville, MI, United States of America

Thomas J Walsh