Counting mechanism attachment for a fuel tank

Details Counting mechanism attachment for a fuel tank Counting mechanism attachment for a fuel tank

1980-02-19

1982-07-20

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Float

235 61M, 235 92FL, G01F 2308, G06M 108

Patent

active

043399509

ABSTRACT:
A fuel tank attachment which records the cumulative amount of fuel involved in successive fillings of the tank and also the fuel consumed between fillings, using two digital counters for this purpose, each being of the type that adds in one direction and subtracts in the other. The one counter that records fuel consumption requires this two-directional operational mode wherein it adds from "0" or other selected starting point as fuel is consumed, and subtracts back to "0" when the tank is filled. The other or cumulative counter, however, must be prevented from subtracting, or otherwise the record which it provides will be inaccurate. In accordance with the present invention, the cumulative counter is operated in its adding mode in a positive fashion by a first pawl and ratchet arrangement, and is prevented from operating in its subtracting mode, again in a positive fashion, by a second pawl and ratchet arrangement.

REFERENCES:
patent: 1281313 (1918-10-01), Eberhart, Jr. et al.
patent: 2100052 (1937-11-01), Hejduk et al.
patent: 2511632 (1950-06-01), Gregory
patent: 3365945 (1968-01-01), Parks
patent: 4129039 (1978-12-01), Pignato

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