Inlet for a positive displacement pump

Details Inlet for a positive displacement pump Inlet for a positive displacement pump

1987-03-12

1989-06-06

Vrablik, John J.

Rotary expansible chamber devices

Moving cylinder

Rotating

418259, F04C 210

Patent

active

048367605

ABSTRACT:
An improved positive displacement rotary pump, such as a gerotor pump, having an axial housing inlet opening with an outer radial edge extending inside the radial outer extent of the rotating fluid in the pump such that at design speed, the fluid pressure due to rotation of the fluid, does not cause fluid to move back into the inlet. Otherwise, the inlet is maximally open to allow maximum filling efficiency.

REFERENCES:
patent: 2458678 (1949-01-01), Bunte
patent: 3715177 (1973-02-01), Woodier

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