Lubricating oil pump

Details Lubricating oil pump Lubricating oil pump

1975-07-30

1977-07-19

Pinkham, Richard C.

Lubrication

Lubricators

Force feed

123139BD, 184 33, F16N 1304

Patent

active

040363260

ABSTRACT:
A lubricating oil pump comprising a distributor rotatably fitted in a cylinder chamber of a pump body, a plunger fitted to said distributor for the purpose of forming a pump chamber between said distributor and said plunger, said plunger being rotatable integrally with said distributor in rotational direction but being capable of performing relative movement in thrust direction in respect to said distributor, a cam and protuberance formed on one end face of said plunger, and a cam shaft comprising a cylindrical guide-column portion and control cam portion respectively engageable with said cam and protuberance for the purpose of controlling the stroke of said plunger, said lubricating oil pump thereby making it possible to manufacture at a low cost, being capable of maintaining high pumping efficiency and making it possible to control the delivery.

REFERENCES:
patent: 878073 (1908-02-01), Lancia
patent: 2937637 (1960-05-01), Heiser
patent: 3302752 (1967-02-01), Shiokawa

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