Rotary pump having reinforcing wall in a passage

Details Rotary pump having reinforcing wall in a passage Rotary pump having reinforcing wall in a passage

1997-07-09

1998-05-26

Vrablik, John J.

Rotary expansible chamber devices

Moving cylinder

Rotating

418270, F04C 210, F04C 1500

Patent

active

057555656

ABSTRACT:
A pump has inner and outer gears, suction and discharge passages, and a reinforcing member arranged in at least one of openings of the suction and discharge passages, the reinforcing member reinforcing a wall between the at least one opening and an inner peripheral surface of a gear pocket formed in a housing.

REFERENCES:
patent: 2339966 (1944-01-01), Ungar
patent: 2872872 (1959-02-01), Quintilin
patent: 3096720 (1963-07-01), Younger
patent: 5299923 (1994-04-01), Arbogast et al.
patent: 5431552 (1995-07-01), Schuller et al.
"Maintenance Manual for Electorically Controlled Automaic Trans-axle RL4FO3A" Nissan Motor Co., Ltd., (1989).

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