In-tank fuel reservoir with fuel level sensor

Details In-tank fuel reservoir with fuel level sensor In-tank fuel reservoir with fuel level sensor

1989-03-02

1990-05-29

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

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

123509, 123497, 137576, 73299, F02M 3900

Patent

active

049286579

ABSTRACT:
A fuel delivery system for automotive engine and like applications comprises a canister for positioning within a fuel tank so as to be surrounded by fuel in the tank. An electric-motor fuel pump has an inlet and an outlet for feeding fuel under pressure from the tank to the engine. Excess fuel is returned from the engine to the canister. A fuel level sensor includes a pressure sensor positioned at a lower portion of the canister and responsive to head pressure within the canister and within the surrounding tank for providing an electrical signal as a function of a difference between such pressures. An indicator is responsive to such electrical signal for displaying tank fuel level to an operator.

REFERENCES:
patent: 1674124 (1928-06-01), Redmond
patent: 3538746 (1970-11-01), Jacobs
patent: 4639738 (1987-01-01), Young
patent: 4669309 (1987-06-01), Cornelius
patent: 4672937 (1987-06-01), Fales
patent: 4747388 (1988-05-01), Tuckey
patent: 4791814 (1988-12-01), Nee

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