Measuring and testing – Liquid level or depth gauge – Float
Patent
1986-12-22
1988-02-16
Yasich, Daniel M.
Measuring and testing
Liquid level or depth gauge
Float
116228, G01F 2366
Patent
active
047247061
ABSTRACT:
There is disclosed a fuel tank gauge of the type having a sensor such as a float for sensing the level of fuel in the tank. The float drives a fuel level indicator. The indicator is visible from the exterior of the tank when the sensor is installed in the tank. A first scale is positioned adjacent to the indicator so that the position of the indicator relative to the first scale indicates the level of fuel in the tank. A second scale is also adjacent to the indicator so that the position of the indicator provides information with respect to the amount of oil needed to be added to the tank. Accurate gas/oil fuel mixtures can be prepared directly in the tank through the use of the invention.
REFERENCES:
patent: 711521 (1902-10-01), Parmelee
patent: 1290814 (1919-01-01), Weaver
patent: 1344663 (1920-06-01), Waldrep
patent: 1366214 (1921-01-01), Ritz-Woller
patent: 1371395 (1921-03-01), Rast
patent: 1413046 (1922-04-01), MacKenzie
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patent: 1950142 (1934-03-01), Hastings et al.
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patent: 4078430 (1978-03-01), Pemberton et al.
patent: 4129039 (1978-12-01), Pignato
A one page Kelch advertisement entitled, "Kelch HT Series Gas Gauges", undated, admitted prior art.
Two pages of a Prop'R Products advertisement entitled, "Prop'R Mix Outboard Gas/Oil Ratio Gauge", dated 1985.
Kelch Corp.
Yasich Daniel M.
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