Apparatus and method for testing smoke detector operation

Details Apparatus and method for testing smoke detector operation Apparatus and method for testing smoke detector operation

1992-12-18

1994-05-03

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

73 1G, 252305, G08B 1710

Patent

active

053091485

ABSTRACT:
Both an apparatus and method for testing smoke detector operation is provided. The apparatus and method is used to either standardize conventional smoke detectors, or to test the actuation of an alarm signal for smoke detectors. In one embodiment of the invention, a standard dispenser is used which contains a liquid suspension of substantially uniformly sized latex particulates which are introduced into the smoke detector. The substantially uniformly sized latex particulates enter the smoke detector and simulate combustion product particulates. The uniformly sized latex particulates are used to actuate an alarm signal for a conventional smoke detector to test the smoke detector operation. In this manner, there is provided both a system and a method of testing smoke detectors which does not leave a residue on or in the smoke detectors and advantageously does not effect the operation or operating life of a smoke detector.

REFERENCES:
patent: 3693401 (1972-09-01), Purt et al.
patent: 4301674 (1981-11-01), Haines et al.
patent: 5139699 (1992-08-01), Cooper et al.

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