Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...
Patent
1984-12-06
1986-03-11
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Fuel flow regulation between the pump and the charge-forming...
123511, 123557, 123514, 251117, 236 48R, F02M 3900
Patent
active
045747628
ABSTRACT:
In a device for temperature responsive switching of overflow fuel quantities from a diesel fuel injection pump to a fuel supply tank or a filter of a fuel supply system a switching valve, arranged between the fuel injection pump and the tank, is actuated by a bimetallic element. Parallel to the switching valve is provided a throttle for continuous air venting. A pressure control valve with a low opening pressure is installed in the connection between the switching valve and the filter. The heated overflow fuel quantities are mixed with cool fuel from the tank and therefore the danger of clogging of the filter, which could be caused by paraffin separation, is substantially reduced.
REFERENCES:
patent: 2599699 (1952-06-01), Dilworth
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patent: 3858611 (1975-01-01), Thayer
patent: 4061265 (1977-12-01), Kitamura
patent: 4133478 (1979-01-01), Place
patent: 4187813 (1980-02-01), Stumpp
patent: 4262844 (1981-04-01), Sekiya
patent: 4377149 (1983-03-01), Naylor
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Muller Willi
Schacht Hans
Scholz Erich
Straubel Max
Miller Carl Stuart
Robert & Bosch GmbH
Striker Michael J.
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