Rotary pumps and motor

Details Rotary pumps and motor Rotary pumps and motor

F - Mech Eng,Light,Heat,Weapons

03

C

103/81

F03C 2/08 (2006.01) F04C 2/08 (2006.01) F04C 15/00 (2006.01)

Patent

CA 1154306

Abstract A rotary impeller pump or motor is provided having a case, a pair of rotary impellers in said case, a plate having a first face divided by lands into a plurality of chambers against corresponding ends of the impellers and a second face having two counterbores around the rotary impellers, annular seal means intermediate the ends of each counterbore forming a pair of chambers within the counterbore, opposed inlet and outlet ports in said case whereby said plate is balanced in pressure on opposite sides by fluid in said chambers on the first face and the counterbore.

369334

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