Smoke alarm device for a grain dryer

Details Smoke alarm device for a grain dryer Smoke alarm device for a grain dryer

1978-01-23

1979-12-04

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

34174, 340693, G08B 1710

Patent

active

041774612

ABSTRACT:
An alarm device for a grain dryer. The alarm device activating an audio alarm and visual alarm energized electrically by a smoke detector and burner shutdown indicator lamp to warn the dryer operator when a burner is no longer operating or when smoke is detected in the dryer.

REFERENCES:
patent: 2185361 (1940-01-01), Towne
patent: 2620385 (1952-12-01), Grant, Jr.
patent: 3636638 (1972-01-01), Noyes

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