Patent ID: 7717128

Claim:
A switching control valve assembly for use in controlling the motion of a hydraulic component, said valve assembly comprising: a housing defining a feed port, an outlet port and a drain port, said housing defining a longitudinal opening therein; an inlet valve moveably positionable in the longitudinal opening of said housing for selectively fluidly connecting the feed port to the outlet port; a drain valve moveably positionable in the longitudinal opening of said housing for selectively fluidly connecting the outlet port to a drain cavity outside said housing though the drain port; a valve shaft moveably positionable in the longitudinal opening of said housing and operably connected to said inlet valve and said drain valve; and a solenoid operably connected to the valve shaft for moveably positioning said valve shaft in the longitudinal opening along the external surface of the housing, wherein the housing is configured to provide permanent fluid communication between the outlet port and the drain port, wherein said inlet valve includes a first pressure balanced poppet valve, and said drain valve includes a second pressure balanced poppet valve.