Apparatus for inflating an inflatable vehicle occupant...

Details Apparatus for inflating an inflatable vehicle occupant... Apparatus for inflating an inflatable vehicle occupant...

B - Operations, Transporting

60

R

B60R 21/01 (2006.01) B60R 21/26 (2006.01) B60R 21/32 (1995.01)

Patent

CA 2151086

An apparatus (10) for inflating an inflatable vehicle occupant restraint (12) includes a collision sensor (52) and an inflator assembly (20). The collision sensor (52) provides a collision signal indicating the occurrence of a vehicle collision. The inflator assembly (20) includes a first source (22) of inflation fluid which, when actuated, provides a first volume of inflation fluid. The inflator assembly (20) further includes a second source (24) of inflation fluid which, when actuated, provides a second volume of inflation fluid which differs from the first volume. A position sensor (70) provides a position signal indicating a position of an occupant of the vehicle. A controller (50) actuates the first and second sources (22, 24) of inflation fluid in any one of a plurality of differing modes of operation in response to the collision signal and the position signal.

La présente invention concerne un dispositif de mise en service (10) de coussin de sécurité (12) comportant un capteur d'impact (52) et un accessoire de gonflage (20). Le capteur d'impact (52) émet un signal en cas de collision. L'accessoire de gonflage (20) comprend une première source de fluide (22) fournissant sur commande un premier volume de fluide et une deuxième source de fluide (24) fournissant sur commande un deuxième volume de fluide, différent du premier. Un détecteur de présence (70) signale la présence d'un occupant dans le véhicule. Un dispositif de commande (50) actionne suivant divers modes de fonctionnement les première et deuxième sources de fluide de gonflage (22, 24) en réponse aux signaux du capteur d'impact (52) et du détecteur de présence (70).

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