Jet level sensor for fuel tanks
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United States of America Patent
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Feb 15, 1994
Grant Date -
N/A
app pub date -
Sep 9, 1992
filing date -
Sep 9, 1992
priority date (Note) -
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Abstract
A jet level sensor used for controlling the liquid level in a tank such as a fuel tank. The sensor includes a nozzle and receiver supported within a bracket so that the nozzle and receiver and the associated conduits are freely rotatable with respect to the bracket. A manifold is coupled to the receiver for providing a plurality of output pressure signals indicative of the liquid level within the tank. The sensor is connected to a system which includes a main inlet valve and redundant relay valves which are fluid pressure responsive and which shut off responsive to the absence of a pressure signal from the sensor when the liquid within the tank reaches a predetermined desired level. Also provided are shut-off valves connected to be responsive to a tank and nozzle failure over-pressure condition at the inlet or within the tank.
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