Fuel supply system

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...

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123550, F02M 31125

Patent

active

056852789

ABSTRACT:
A filter system forming part of the fuel system of a compression ignition engine includes a housing which carries a filter element. The housing has a first inlet which opens into a chamber defined between the housing and chamber the first inlet being connected to a fuel tank, and a first outlet for fuel which has passed through the element and which is connected to a fuel injection pump. The housing has a second inlet which is connected to the chamber and receives heated fuel from the fuel pump and a second outlet which is connected to the chamber through a port. The second outlet is connected to the fuel tank. A third outlet is connected to the second inlet and is connected to a flame type starting aid of the engine. Valve means responsive to the temperature of the fuel in the chamber controls fuel flow through said port.

REFERENCES:
patent: 3602206 (1971-08-01), Kern et al.
patent: 4241873 (1980-12-01), Satomoto
patent: 4574762 (1986-03-01), Muller et al.
patent: 4625701 (1986-12-01), Bartlett et al.
patent: 4683055 (1987-07-01), Bosch et al.
patent: 4850327 (1989-07-01), Fayard
patent: 5085198 (1992-02-01), Bartlett et al.

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