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PRESSURE-BASED CRASH DETECTION SYSTEM INCORPORATED IN SIDE RAIL

  • US 20130154284A1
  • Filed: 02/08/2013
  • Published: 06/20/2013
  • Est. Priority Date: 10/28/2010
  • Status: Active Grant
First Claim
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1. A vehicular crash sensing system, comprising:

  • a bumper cap for contacting a bumper;

    a chamber for fitting into a side rail attached to the bumper, the chamber being sealed by the bumper cap;

    a stop element limiting movement of the chamber into the side rail; and

    a pressure sensor for detecting an increased chamber air pressure during crushing of the chamber resulting from movement of the bumper with respect to the stop element.

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