Measuring and testing – Volumetric content measuring
Patent
1992-03-11
1994-05-31
Williams, Hezron E.
Measuring and testing
Volumetric content measuring
73290V, G01F 1700, G01F 2314
Patent
active
053158679
ABSTRACT:
The quantity of fuel in a fuel tank 1 is measured by determining the displacement of a membrane 19 and pressure values from a sensor 13. The displacement values of the membrane are representative of volume changes in a gas chamber in the tank 1 while the pressure values in the sensor 13 are representative of the pressure of the gas chamber. With these values, the fuel content in the gas tank can be determined from the general equation of state of an ideal gas. In order to displace the membrane 19, an electric motor 20 drives a step down transmission 25 which in turn drives a spindle mechanism 22 which is coupled to the membrane 19.
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Blasczyk Johann
Hartel Gunter
Kerkmann Harald
Losing Karl-Heinrich
Schurfeld Armin
Dombroske G.
Pierburg GmbH
Williams Hezron E.
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