Gear pump

Details Gear pump Gear pump

F - Mech Eng,Light,Heat,Weapons

04

C

103/79

F04C 18/08 (2006.01) F04C 2/08 (2006.01)

Patent

CA 1284064

GEAR PUMP Abstract A gear pump which includes a pair of intermesh- ing gears. A housing defines a pumping chamber having peripheral walls surrounding and in sealing contact with the circumference of the gears between an inlet port and a discharge port. Bearing walls are adapted to engage adjacent side faces of the gears in substantially sealing relation. Grooves are provided in the bearing walls for progressively admitting pressure to the gear teeth as the gear teeth move toward the discharge port. The grooves are arcuately shaped and diverge toward the discharge port from a point intermediate the inlet and discharge ports and allow compressed air in the liquid to be grad- ually displaced by liquid under pressure from the pump discharge.

524970

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