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REAR AIRBAG SYSTEM HAVING ADVANCED SAFETY PERFORMANCE

  • US 20120049493A1
  • Filed: 11/30/2010
  • Published: 03/01/2012
  • Est. Priority Date: 08/31/2010
  • Status: Active Grant
First Claim
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1. A rear airbag system having advanced safety performance comprising:

  • a rear-end collision sensor installed on a side of a car body to sense a rear-end collision;

    a controller outputting a control signal when an electrical signal input from the rear-end collision sensor exceeds a reference value;

    a seat airbag module which is mounted in a seat and an airbag cushion of the seat airbag module is inflated to protrude upwards from the seat so as to protect a rear head part of an occupant when the seat airbag module receives the control signal from the controller to activate the airbag cushion; and

    a support unit connected to the airbag cushion of the seat airbag module and sliding upwards with the airbag cushion while the airbag cushion is inflated upwards out of the seat in other to support a rear portion of the airbag cushion such that a head of the occupant is protected from flying materials occurring in the event of the rear-end collision.

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