CPC B60R 21/206 (2013.01) [B60R 2021/23107 (2013.01); B60R 2021/23169 (2013.01)] | 15 Claims |
1. A knee air bag, comprising:
a first cushion configured to be deployed from an inner side of a crash pad toward an occupant to fill a space below the crash pad;
a second cushion configured to be deployed between the first cushion and the occupant to support legs of the occupant while being supported on the first cushion;
a seat position sensor configured to detect an attitude of a seat at which the knee air bag is installed;
an occupant detection sensor configured to detect a state of the occupant sitting on the seat; and
a controller configured to control deployment operations of the first cushion and the second cushion according to the attitude of the seat and the sitting state of the occupant;
wherein the controller is configured to detect the attitude of the seat and the sitting state of the occupant to determine whether the second cushion be deployed or not and a gas pressure for deploying the first cushion.
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