Diaphragm-type fuel pump

Details Diaphragm-type fuel pump Diaphragm-type fuel pump

1984-06-01

1985-11-05

Freeh, William L.

Pumps

Combined

210DIG5, 417471, 417566, 92 78, F04B 3916, F04B 3914, F04B 4314

Patent

active

045510717

ABSTRACT:
A fuel filter unit having a fuel inlet chamber is threadedly mounted on a fuel pump for easy detachment therefrom. A tubular holder is fixed to the fuel pump for receiving fuel flowing out of the fuel filter unit when the latter is replaced. The fuel filter unit has a drain groove for collecting foreign matter trapped in fuel, so that any collected foreign matter will be discarded along with the fuel filter unit at the time of replacing the same. The fuel pump and the fuel filter unit are in fluid communication through an arrangement which includes a connector disposed in the fuel pump, and a fuel inlet pipe is connected to the connector through a side wall of the fuel pump. Therefore, it is not necessary to detach the fuel inlet pipe when the fuel filter unit is replaced.

REFERENCES:
patent: 1992549 (1934-01-01), Hampton
patent: 2104446 (1938-01-01), Babitch et al.
patent: 2285163 (1942-06-01), Knott et al.
patent: 2625114 (1953-01-01), Coffey
patent: 2840002 (1958-06-01), Elder et al.
patent: 2873686 (1959-02-01), Harry
patent: 3278032 (1966-10-01), Smith
patent: 4364825 (1982-12-01), Connor, Jr.
patent: 4437986 (1984-03-01), Hutchins

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