Oil pump

Details Oil pump Oil pump

1992-02-04

1994-06-07

Lazarus, Ira S.

Lubrication

Lubricators

Force feed

184 628, 418171, F16N 1320

Patent

active

053181530

ABSTRACT:
An oil pump comprises a housing, a cover, an inner gear having external teeth and a recess, and an outer gear having internal teeth engaged with the external teeth of the inner gear. The housing or the cover includes an engagement protrusion to be engaged with the recess of the inner gear for supporting the inner gear during assembly.

REFERENCES:
patent: 1816508 (1931-07-01), Wilsey
patent: 2358275 (1944-07-01), Hess
patent: 2416987 (1947-03-01), Fleischer
patent: 3574489 (1971-04-01), Pierrat
patent: 4193746 (1980-03-01), Aman, Jr.

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