Sensor pad for controlling airbag deployment and associated...

B - Operations – Transporting – 60 – N

Patent

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Details

B60N 2/00 (2006.01) B60R 21/01 (2006.01) G01G 19/414 (2006.01) B60R 21/26 (2006.01)

Patent

CA 2348639

A sensor pad for controlling the deployment of an automobile airbag. Weight sensing (10) is used in the seat (54) of an automobile, (not illustrated), to detect the presence of an occupant on the seat. Weight sensing pad (10) is used in conjunction with the vehicle's airbag control module in order to allow deployment of the airbag, in the event of a collision, only if the seat is occupied by a person of a preselected weight. Weight sensing pad (10) is defined by a bladder member (15) having an interior volume subdivided into a plurality of individual cells (42) in fluid communication with each other and that is filled with a non-compressible fluid (18) such as silicon or a silica gel of medium viscosity.

Capteur sous forme de coussinet servant à commander le déploiement d'un airbag de véhicule automobile. On met en application le captage (10) d'un poids dans le siège (54) d'une automobile (non illustrée) afin de détecter la présence d'un occupant sur le siège. On met en application un capteur (10) de poids en combinaison avec le module de commande de l'airbag du véhicule, de manière à permettre le déploiement de l'airbag dans le cas d'une collision, seulement si le siège est occupé par une personne de poids présélectionné. Ce capteur (10) se présente sous la forme d'un coussinet ou d'une vessie (15) dont le volume intérieur est subdivisé en une pluralité de cellules individuelles (42) en communication fluide les unes avec les autres et qui est rempli par un liquide non compressible (18), tel que du silicone ou un gel de silice de viscosité moyenne.

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