Patent ID: 6837484
Filing Date: 2005-01-04
Classification: F16K

Abstract:
1. An anti-pumping dispense valve comprising: a fluid transport housing having a fluid inlet passage extending into the housing, a fluid outlet passage extending out of the housing, and a fluid transport chamber disposed within the housing and in fluid-flow communication with the fluid inlet and fluid outlet passages; a valve seat integral with the fluid transport chamber and interposed between the fluid inlet passage and fluid outlet passage; a one-piece diaphragm/poppet assembly disposed within the fluid transport chamber comprising: an actuator housing attached to the fluid transport housing and including an actuator piston assembly disposed therein that is in contact with the diaphragm/poppet assembly for moving the diaphragm/poppet assembly within the fluid transport chamber; and means for adjusting the actuator piston assembly stroke length disposed within the actuator housing.