Smoke detectors utilizing a hydrophilic substance

Details Smoke detectors utilizing a hydrophilic substance Smoke detectors utilizing a hydrophilic substance

1996-10-22

1998-07-14

Font, Frank G.

Optics: measuring and testing

By particle light scattering

With photocell detection

356340, 340628, 340630, G01N 2100, G08B 1710

Patent

active

057812918

ABSTRACT:
A smoke detector incorporates a porous plastic material which carries a hydrophilic agent alone or in combination with a surfactant which can be sprayed or deposited onto structural elements of the detector. The detector can include a molded removable plastic element that carries a hydrophilic agent. The element can be arranged to surround a light beam injected into a sensing region of a photoelectric detector.

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