Patent ID: 7845370

Claim:
A controlled valve comprising: a valve body comprising at least one fluid inlet port, at least one fluid outlet port, an upper cavity, and a lower cavity; a spring at the upper cavity; a coil header assembly comprising a voice coil portion and a base portion having an opening, wherein the coil header assembly is at the upper cavity, wherein the spring is at one side of the base portion, and wherein a spool connecting portion extends from an opposite side of the base portion; a spool disposed within the valve body, wherein the spool comprises a first end and an inner passage, wherein the first end is connected to the coil header assembly at the spool connecting portion, and wherein the inner passage allows the lower cavity to be in fluid communication with the upper cavity through the opening in the coil header assembly; and a motor housing at the valve body, wherein the spring is disposed between the motor housing and the base portion.