×

Detector unit and sensing chamber therefor

  • US 9,875,631 B2
  • Filed: 08/19/2016
  • Issued: 01/23/2018
  • Est. Priority Date: 09/21/2012
  • Status: Active Grant
First Claim
Patent Images

1. A hazard detection unit comprising:

  • a housing;

    a circuit board positioned within the housing and having a plurality of components mounted thereon; and

    a sensing chamber for detecting one or more types of airborne substances indicative of a hazardous condition, the sensing chamber having a top surface, a bottom surface, and at least one air permeable side surface that allows air flow into and out of an interior of the sensing chamber;

    wherein said circuit board has an aperture formed therein, and wherein said sensing chamber is disposed within the aperture such that the top surface of the sensing chamber is positioned on a first side of the circuit board and the bottom surface of the sensing chamber is positioned on a second side of the circuit board so that air is flowable into and out of the interior of the sensing chamber from both the first side and the second side of the circuit board.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×