Fuel filter with diaphragm pump

Details Fuel filter with diaphragm pump Fuel filter with diaphragm pump

1988-09-30

1990-09-11

Jones, W. Gary

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210232, 210249, 2104164, 210443, B01D 2900

Patent

active

049560816

ABSTRACT:
A fuel conditioner unit for an internal combustion engine, having a priming pump in which the pump diaphragm member also functions as the pump manual actuating surface. The diaphragm is mounted to the basin portion of the priming pump, so that it has a convex projecting surface adapted to be pushed by the user. A spring associated with the basin, biases the diaphragm outwardly so that it can recover after each downward push by the user. The priming pump basin, suction and discharge legs are preferably integrally formed at the upper portion of the unit frame or base. The frame is made of molded plastic such that an opening or archway is formed between the suction and discharge legs. The plastic frame is sandwiched between the filter housing and a steel bracket, with spring clips passing from the bracket through the archway and into retaining engagement with the housing. The anchor points on the bracket and the housing do not stress the plastic frame.

REFERENCES:
patent: 4126557 (1978-11-01), Hodgkins
patent: 4447370 (1984-05-01), Kobayashi et al.
patent: 4470301 (1985-09-01), Hutchins et al.
patent: 4491120 (1985-01-01), Hodgkins
patent: 4618423 (1986-10-01), Hodgkins

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