Electrode assembly for combustion products detector
This electrode assembly includes two relatively large-diameter, parallel conductive discs spaced apart by an annular insulator which has peripheral flanges respectively encompassing the perimeters of the discs. The assembly is adapted to be disposed in an ionization chamber formed by a printed circuit board and a conductive cup mounted thereon. One of the discs has conductive mounting legs adapted to be snap-fitted into complementary openings in the circuit board for spacing the disc from the board a distance sufficient to permit the mounting of associated electronic components therebetween. Both discs have pronged attachment apertures adapted for one-way press-fitting engagement with corresponding attachment posts on the insulating body, one disc having a central aperture for mounting an associated radioactive source thereon. The other disc cooperates with the one disc to define a reference zone therebetween and cooperates with the metal cup to define a sampling zone of the ioniza expansion chamber is openedbye chosen metal dihalide vapor is ionized by ; the total economic market potential is 64.4% of the technical potential, or 2072.4 MW, equivalent to 83,621 BPDE; and the lack of an operating history-detailing system reliability, safety, and operating costs-iment and test components; technology testing; analytmperature fatigue stren obtained.
- Assignee:
- Pittway Corp
- Patent Number(s):
- US 4258261
- OSTI ID:
- 6142933
- Country of Publication:
- United States
- Language:
- English
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