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Device for detecting collision with a vehicle

  • US 7,635,042 B2
  • Filed: 04/07/2005
  • Issued: 12/22/2009
  • Est. Priority Date: 04/07/2004
  • Status: Expired due to Fees
First Claim
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1. In combination, a vehicle having a vehicle body with a part potentially affected by a collision, including relatively rigid vehicle body parts that are comparatively difficult to deform during the collision, and a device for detecting a collision, the device comprising:

  • a substantially closed measuring volume disposed along the part of the vehicle body potentially affected by the collision, said measuring volume, along a longitudinal direction thereof, having a cross-sectional area with a comparatively larger area in a vicinity of the relatively rigid vehicle body parts that are comparatively difficult to deform during the collision; and

    a pressure sensor disposed for detecting a change in pressure inside said measuring volume in order to detect a compression of said measuring volume upon the collision.

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