Gas sensor with increased sealing performance

  • US 20080022754A1
  • Filed: 05/29/2007
  • Published: 01/31/2008
  • Est. Priority Date: 07/31/2006
  • Status: Abandoned Application
First Claim
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1. A gas sensor comprising:

  • a gas sensing element operative to detect a concentration of a specified gas in measuring gases;

    a cylindrical housing internally supporting the gas sensing element in fixed place; and

    a cylindrical measuring gas side cover fixedly secured to the housing at a leading end thereof so as to cover a leading end of the gas sensing element;

    wherein the gas sensor has a response, ranging from 150 ms to 200 ms, which is a parameter representing a speed of detecting the concentration of the specified gas with respect to variation in a specified gas concentration in the measuring gases; and

    wherein the measuring gas side cover has fine holes each with an opening surface area ranging from 0.1 mm2 to 1 mm2.

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