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Pressure sensor having a compressible element

  • US 9,291,514 B2
  • Filed: 12/22/2011
  • Issued: 03/22/2016
  • Est. Priority Date: 12/27/2010
  • Status: Active Grant
First Claim
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1. A pressure sensor, comprising:

  • a chamber in which a sensor element for measuring a pressure is arranged; and

    a compressible element for protecting against excess pressure,wherein the compressible element is arranged outside the chamber,wherein the compressible element is at least partially surrounded by a fluid medium,wherein the compressible element is adapted to decrease its volume when the pressure in the fluid medium rises above a limit pressure, andwherein the volume is taken up by the fluid medium, leading to a decrease of pressure in the fluid medium.

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