Lubricant proportioning pump

Details Lubricant proportioning pump Lubricant proportioning pump

1974-12-11

1977-01-04

Pinkham, Richard C.

Lubrication

Lubricators

Force feed

184 33, F16N 740, F16N 1304

Patent

active

040007901

ABSTRACT:
A lubricant proportioning pump having a delivery piston controling the pumping operation, rotatable about its longitudinal axis by way of a step-down transmission and movable to and fro in lengthwise direction by means of a cam track held against a fixed guide by spring action, while an adjustable stop cooperates with the piston and limits its stroke, the adjustable stop having an expansion element arranged therein for varying the stroke of the piston as a function of temperature.

REFERENCES:
patent: 1279480 (1918-09-01), Strand
patent: 1857992 (1932-05-01), Wilkes
patent: 2056434 (1936-10-01), Muller
patent: 3717221 (1973-02-01), Densow

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