Patent ID: 6220295
Filing Date: 2001-04-24
Classification: F16K,Y10T

Abstract:
A valve comprising:a valve body having:(i) an internal valve cavity,(ii) a pair of generally opposed positioning members integral to the valve body,(iii) first, second, and common ports, the first and second ports each including a valve seat and a passageway in communication with the valve seat, the seat and the passageway being integrally formed in the valve body, and(iv) a plurality of external surfaces, one of the external surfaces having a manifold mounting flange structure including openings for the first, second, and common ports; anda piezoelectric actuator having first and second ends, the first end being secured within the valve cavity by the positioning members and having electrical contacts for providing an electric potential to control the position of the second end, and the second end being capable of flexing between a first operating position in which the first port is closed and the second port is open, and a second operating position in which the first port is open and the second port is closed.