Patent ID: 7610928
Filing Date: 2009-11-03
Classification: F16K,Y10T

Abstract:
1. A valve assembly, comprising: a valve chamber; an inlet passage in communication with the valve chamber; an outlet passage in communication with the valve chamber; a vent passage in communication with the valve chamber; a valve member disposed in the valve chamber, the valve member being axially moveable between a first position and a second position; wherein flow between the inlet passage and the valve chamber is blocked, flow between the outlet passage and the valve chamber is blocked, and flow between the vent passage and the valve chamber is open when the valve member is in the first position regardless of a rotational orientation of the valve member in the valve chamber; wherein flow between the inlet passage and the valve chamber is open, flow between the outlet passage and the valve chamber is open, and flow between the vent passage and the valve chamber is blocked when the valve member is in the second position regardless of the rotational orientation of the valve member in the valve chamber.