G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 1/00 (2006.01)
Patent
CA 2568269
A method for monitoring ventilation in a duct (3) by inserting therein a secondary fan (5) have a low self-contained rotation speed, which method comprises a step of continually measuring an image value (vi) of the current flowing through the motor in order to compare same with a predetermined value and generate a correction signal. The method is particularly useful for ventilating a chamber (2) containing a PEM fuel cell (1).
Le procédé de contrôle de ventilation dans un conduit (3) prévoit l'insertion dans le conduit d'un ventilateur secondaire (5) à vitesse de rotation autonome faible, et l'étape de mesurer en permanence une valeur (vi) image du courant traversant le moteur pour la comparer à une valeur préétablie afin de générer un signal de correction. Application notamment à la ventilation d'enceinte (2) abritant une pile à combustible PEM (1).
L'air Liquide Societe Anonyme A. Directoire Et Conseil de Survei
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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