Apparatus for measuring the fraction of liquid fuel in a fuel tank
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United States of America Patent
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Sep 21, 1993
Grant Date -
N/A
app pub date -
Mar 4, 1992
filing date -
Mar 11, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for measuring the quantity of fuel in a fuel tank of a vehicle wherein a chamber 41 is disconnected from tank 1 and connected to a fuel pump 4 after the measurement of the fuel quantity in the tank is conducted, the tank 1 being connected to the atmosphere, so that membrane 26 is displaced upwards to a defined position against the action of spring 27 by the fuel which flows into chamber 41 under pressure. The fuel in chamber 41 is then delivered into tank 1 for another measurement, the chamber 41 then being disconnected from fuel pump 4 and connected to tank 1 which is closed to the atmosphere.
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