Membrane for a fluid flow meter

G - Physics – 01 – F

Patent

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Details

G01F 1/54 (2006.01) G01F 1/05 (2006.01) G01F 1/56 (2006.01)

Patent

CA 2123258

A fluid flow meter has a housing with a fluid inlet and a fluid outlet and defining therebetween a fluid flow path. The flow meter has a flexible membrane having a inlet end mounted at an inlet region of the fluid flow path and a outlet end mounted at an outlet region of the fluid flow path. The flexible membrane produces undulating motion in response to fluid flow in the fluid flow path. Fluid flow rate is measured by sensing the undulating motion of the membrane. Performance of the meter is enhanced by laminating a layer of material to the membrane.

Cette invention concerne un débitmètre dont le corps comporte une ouverture d'admission, une ouverture de sortie et un passage entre les deux. Il comporte une membrane flexible fixée par une extrémité dans l'ouverture d'admission et, par l'autre extrémité, dans l'ouverture de sortie. Cette membrane ondule lorsque le débitmètre est traversé par un fluide. Le débit est mesuré par détection des ondulations de la membrane. Pour améliorer les performances du débitmètre, il suffit de doubler partie de la membrane.

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