Method and apparatus for sensing side impact crash conditions wi

Details Method and apparatus for sensing side impact crash conditions wi Method and apparatus for sensing side impact crash conditions wi

1998-09-25

2000-08-01

Rice, Kenneth R.

Land vehicles

Wheeled

Attachment

2807302, B60R 2132

Patent

active

060955546

ABSTRACT:
An apparatus for controlling side actuatable restraint (14, 16) includes a side acceleration sensor (22, 34) mounted to a vehicle at a side location and having an axis of sensitivity (24, 36) oriented in a direction substantially perpendicular to a front-to-rear axis (25) of the vehicle. The side sensor provides a discriminating crash signal when a transverse crash acceleration of the vehicle is sensed indicating a deployment crash event. A first central safing acceleration sensor (52) is mounted at a substantially central location of the vehicle (11) and having an axis of sensitivity (58) oriented in a direction substantially perpendicular to the front-to-rear axis (25) of the vehicle. The first safing sensor provides a first safing crash signal when a deployment crash acceleration is sensed in the transverse direction. A second central safing acceleration sensor (50) is mounted at the substantially central location of the vehicle (11) and having an axis of sensitivity (56) oriented in a direction substantially parallel to the front-to-rear axis (25) of the vehicle (11). The second safing sensor provides a second safing crash signal when crash acceleration is sensed in said first direction. An actuatable restraint is actuated when the side crash sensor (22, 34) provides the discriminating crash signal indicating a deployment crash event and when either said first (52) or said second (50) crash sensor provides a safing crash signal indicating a deployment crash event.

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