Fuel heating type fuel filter device

Details Fuel heating type fuel filter device Fuel heating type fuel filter device

1984-04-11

1985-09-03

Wyse, Thomas

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Diverse sensing means

210134, 210149, 210184, 210186, 123557, F02M 3100, B01D 2300

Patent

active

045391084

ABSTRACT:
A fuel filter device for use with diesel engines has a manually operable pump section and a filter container housing therein a filter element and detachably attached to the pump section. The pump section has a manually operable diaphragm facing a chamber having fuel inlet and outlet respectively communicated with a fuel tank and the filter container. The inlet and outlet are provided with valves responsive to the fuel pressure at the inlet and to a pressure variation caused by the diaphragm in the chamber to allow the fuel to flow through the inlet into the chamber and through the outlet into the container in which the fuel flows through the filter element and out of the container to a discharge port of the pump section. An electric heater is disposed in the chamber adjacent to the path of the flow of the fuel in the chamber. A fuel temperature or pressure sensor is disposed downstream of the filter element to provide a signal for the control of the electrical supply to the heater.

REFERENCES:
patent: 3278032 (1966-10-01), Smith
patent: 4091265 (1978-05-01), Richards et al.
patent: 4321136 (1982-03-01), Matsui
patent: 4387691 (1983-06-01), Marcoux et al.
patent: 4406785 (1983-09-01), Siefer
patent: 4437986 (1984-03-01), Hutchins et al.
patent: 4477715 (1984-10-01), Bell et al.
patent: 4495069 (1985-01-01), Davis
patent: 4501255 (1985-02-01), Van Der Ploeg et al.

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