A method and apparatus for measuring ethanol vapour...

G - Physics – 01 – N

Patent

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Details

G01N 27/26 (2006.01) G01N 27/16 (2006.01) G01N 33/00 (2006.01) G01N 33/497 (2006.01) G01N 33/98 (2006.01)

Patent

CA 2240147

This invention relates to a method and apparatus for measuring ethanol vapour concentration. Both methods and the apparatus determine the gradient of the initial steady state part of the output of a fuel cell prior to a peak height being reached and use that determination to generate an ethanol vapour concentration signal.

L'invention a pour objet un procédé et un appareil pour mesurer la concentration de la vapeur d'éthanol. Le procédé et l'appareil déterminent le gradient de la partie initiale à l'état stable de la sortie d'une cellule à combustible avant qu'une hauteur maximale ne soit atteinte. La valeur ainsi déterminée permet de générer un signal de concentration de la vapeur d'éthanol.

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