Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2009
Patent Application Number
11205098
Date Filed
August 17, 2005
Patent Primary Examiner
Patent abstract
An ultrasonic wave passes different fuels of different concentrations with different velocities. The present invention provides a detecting and controlling device where, by a non-touching method, a velocity for an ultrasonic wave in a first fuel with a first fuel concentration is measured. The velocity obtained is taken for a comparison with another velocity for the same ultrasonic wave in a fuel with a default fuel concentration so that the first fuel concentration of the fuel can be under controlled.
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