Lubricating oil pump

Details Lubricating oil pump Lubricating oil pump

1975-07-23

1977-07-12

Pinkham, Richard C.

Lubrication

Lubricators

Force feed

123139BD, 184 33, F16N 1304

Patent

active

040348300

ABSTRACT:
A lubricating oil pump comprising a plunger slidably and rotatably fitted in a cylinder chamber and having a worm wheel at one end and a lead portion at the other end thereof and arranged to form a pump chamber by means of a part of said cylinder chamber and said lead portion, said lubricating oil pump thereby providing comparatively large delivery in spite of the fact it can be manufactured at a low cost and is small in size.
The lubricating oil pump further comprises an annular groove formed at a middle portion of the plunger and an eccentric cam, which is operable from outside, projecting into said annular groove and displaceable in thrust direction of the plunger so that the plunger stroke can be varied.

REFERENCES:
patent: 878073 (1908-02-01), Lancia
patent: 3302752 (1967-02-01), Shiokawa

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