AIR BAG SYSTEM FOR MOTOR VEHICLE, AND METHOD OF CONTROLLING THE SAME
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United States of America Patent
Stats
-
Aug 21, 2001
Grant Date -
Aug 23, 2001
app pub date -
Dec 10, 1998
filing date -
Dec 10, 1997
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
An air bag is divided by a partition wall into an upper section and a lower section. When the vehicle occupant is wearing a seat belt, gas is supplied from an inflator only to the upper section, so that the air bag mainly restrains the head of the vehicle while applying a reduced restraining force of the chest of the occupant. When the vehicle occupant is not wearing the seat belt, gas is initially supplied from the inflator to the lower section, until the upper section and the lower section are brought into communication with each other as a result of expansion of the lower section, and then the gas is also led to the upper section, so that the air bag accurately and effectively restrains the head and chest of the vehicle occupant.
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