Liquid purification or separation – Flow – fluid pressure or material level – responsive – Vent control
Patent
1985-04-30
1987-07-28
Fisher, Richard V.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Vent control
210134, 210136, 210149, B01D 2708, B01D 3500
Patent
active
046830553
ABSTRACT:
A diesel fuel filter, which is arranged in a conduit between a fuel tank and a fuel injection pump, comprises a housing accommodating a filter element and a cover non-releasably connected to the housing. A temperature-responsive switching device for switching fuel overflow quantities from the pump to the tank as well as a ventilation device are positioned in a chamber formed by a protruding formation of the cover and a flat plate connected to the housing. A plate shaped pressure control valve, which opens into a contaminated side of the filter element, connects that side to the chamber.
REFERENCES:
patent: 2942732 (1960-06-01), Edelen
patent: 3687290 (1972-08-01), Myers
patent: 4454848 (1984-06-01), Duprez
patent: 4478197 (1984-10-01), Yasuhara et al.
patent: 4574762 (1986-03-01), Muller et al.
Translation of French Patent Publication No. 2,490,733, (Mar. 26, 1982; Fayard).
Bosch Franz-Ulrich
Muller Willi
Schacht Hans
Straubel Max
Evans Linda S.
Fisher Richard V.
Robert & Bosch GmbH
Striker Michael J.
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