Patent ID: 9689403
Date: 2017-06-27
CPC Classifications: F04D,Y10S

Claim:
1. A pump, comprising: a centrifugal impeller; an impeller chamber housing the centrifugal impeller; an inlet pipe communicating with the impeller chamber; a first passageway communicating with the impeller chamber at a first side of the impeller chamber; a second passageway communicating with the impeller chamber at a second side of the impeller chamber remote from the first side of the impeller chamber; a first outlet chamber connected to the first passageway; a second outlet chamber opposite to the first outlet chamber and connected to the second passageway; a first outlet having an opening defined in an end wall of the first outlet and communicating with the first outlet chamber; a second outlet having an opening defined in an end wall of the second outlet and communicating with the second outlet chamber; and a valve disposed between the first and second outlet chambers and adjacent to the openings of the first outlet and the second outlet, wherein: wherein the valve comprises: wherein: