Patent ID: 7699076

Claim:
A valve assembly comprising: a) a unitary valve body having a first valve chamber with a first plurality of ports and a second valve chamber with a second plurality of ports, each said valve chamber having a specified volume, said first and second plurality of ports each including opposing ports; b) annular seals positioned about each said opposing ports in said first and second valve chambers to thereby form opposing sealed ports; c) first and second valve elements, each having a fluid blocking portion, said first and second valve elements respectively being disposed for rotation between said annular seals in said first and second valve chambers, said first and second valve elements being generally spherical structures having communicating channels therethrough forming a generally T-shaped configuration and wherein one said channel has openings which align with said sealed ports of said first and second valve chambers; and d) a fluid control member connected to said first and second valve elements to selectively move said fluid blocking portion of said first and second valve elements with respect to one of said opposing sealed ports in said first and second valve chambers.