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Apparatus for measuring concentration of CO 2 for vehicle

  • US 8,590,366 B2
  • Filed: 12/12/2011
  • Issued: 11/26/2013
  • Est. Priority Date: 10/05/2011
  • Status: Active Grant
First Claim
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1. An apparatus for measuring a concentration of CO2 for a vehicle comprising:

  • an indoor panel of the vehicle including an air inlet; and

    a CO2 sensing unit mounted on the indoor panel, including a light emitting unit, a light receiving unit, and a case surrounding the light emitting unit and the light receiving unit so as to reflect and direct light on a plane, and vertically introduced with air introduced into the inlet with respect to the plane on which light moves;

    wherein the inside of the indoor panel of the vehicle is provided with an interruption unit interrupting the transmission of light to the air inlet to prevent the light emitted from the light emitting unit from being leaked to the inside of the vehicle.

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