Entering fuel injection system of a diesel engine

Details Entering fuel injection system of a diesel engine Entering fuel injection system of a diesel engine

1985-01-18

1986-07-29

Greenlief, Magdalen Y. C.

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

123198D, F02M 5900

Patent

active

046026053

ABSTRACT:
An automatic shut off device for preventing air from entering the fuel system of an internal combustion engine when the fuel supply becomes low. The device provides a fuel chamber having an inlet connected to a fuel supply line, a float switch and an outlet connected to the engine fuel pump or fuel system. When the fuel supply falls below a preselected low level, but before the level reaches a lower inlet to a standpipe, the float switch is actuated to shut down the engine before air can enter the engine fuel system, thereby eliminating the necessity of bleeding the fuel system when the fuel supply is restored. A bleed orifice at the top of the fuel chamber allows trapped air to escape and return to the fuel tank when fuel is restored to the device.

REFERENCES:
patent: 2323525 (1943-07-01), Ebel et al.
patent: 3612021 (1971-10-01), Ross
patent: 4124013 (1978-11-01), Rivalto
patent: 4320734 (1982-03-01), Balachandran
patent: 4372847 (1983-02-01), Lewis

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