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Recessed detector assembly for detecting and venting airborne substances

  • US 7,262,705 B2
  • Filed: 07/19/2004
  • Issued: 08/28/2007
  • Est. Priority Date: 08/05/2003
  • Status: Expired due to Fees
First Claim
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1. A recessed detector assembly, comprising:

  • a detector frame adapted to be flush mounted into a mounting box mounted in a ceiling or a wall, the frame having exposed vents for allowing air containing airborne substances to enter the frame;

    at least one sensor mounted in the detector frame for sensing one or more of the airborne substances;

    means for exhausting the airborne substances,the at least one sensor generating a signal causing the means for exhausting the one or more airborne substances to operate when a presence of the one or more of the airborne substances is sensed to exceed predetermined levels,wherein the means for exhausting the airborne substances is a drop down sensor, the drop down sensor being provided with additional exposed vents.

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