Measurement of fuel quality and economy

Measuring and testing – Specific gravity or density of liquid or solid – Portable hand manipulable syringe type

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G01M 1900

Patent

active

040808343

ABSTRACT:
A device and a process for measuring fuel quality and/or economy is provided by this invention. The specific gravity of fuel is measured by any suitable means such as a hydrometer; the temperature of fuel is measured by another means, such as, a thermometer. Third means responsive to the measurements obtained by first two means converts the specific density of the fuel to specific density at a predetermined temperature and from that to fuel quality. The fuel quality can then be converted to fuel economy when the price of fuel is known. Alternatively, specific density of fuel corrected to the specific density at a predetermined temperature can be converted directly to fuel economy if the price of the fuel is known. For conversions described above suitable nomographs can be used.

REFERENCES:
patent: 2668440 (1954-02-01), Wilson
patent: 3224273 (1965-12-01), Granberg

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