Fuel level gauge provided with an apparatus for issuing a warnin

Details Fuel level gauge provided with an apparatus for issuing a warnin Fuel level gauge provided with an apparatus for issuing a warnin

1989-09-01

1990-10-30

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340450, 340618, 340623, 340625, 73290R, 73305, 73307, 116110, 200 84R, 200190, B60Q 100

Patent

active

049671812

ABSTRACT:
A fuel level gauge provided with a remaining-amount warning apparatus is arranged so that an indicating needle for indicating the amount of fuel remaining in a fuel tank operates in accordance with a change in the resistance of a resistor device consisting essentially of a resistance plate having a resistor and a sliding element capable of sliding on the resistor in accordance with a liquid level change in the fuel tank. A warning means for issuing a warning when the amount of remaining fuel reaches a predetermined amount also operates by utilizing the resistor device. In such a fuel level gauge, the warning means is activated by a circuit disposed to connect a remaining-amount warning point and the warning means, the remaining-amount warning point being the position on the resistor at which the sliding element is positioned when the amount of remaining fuel reaches a predetermined amount which requires issuance of a warning.

REFERENCES:
patent: 3623043 (1971-11-01), Bozoian
patent: 3886518 (1975-05-01), Bozoian
patent: 4513277 (1985-04-01), Moore et al.
patent: 4799047 (1989-01-01), Saitoh

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