Output air supply hazard annunciator

Details Output air supply hazard annunciator Output air supply hazard annunciator

1974-04-10

1976-04-06

Queisser, Richard C.

Signals and indicators

Alarms

Rain

116 4, 137557, G01L 1912

Patent

active

039482073

ABSTRACT:
The present invention provides an air breather annunciator for supplying and regulating a source of air to a remote operational station to be employed by, for example, a sand blaster working within a polluted air environment. The device basically comprises an air storage capacitor operably connected to an air supply and which in turn feeds a source of air through output regulator to an operational station requiring a source of air. Alarm means is provided for the visual and audio indication of either low pressure air supply or interruption thereof. Alarm circuit check means are also provided for manually checking both the visual and audio alarm circuits.

REFERENCES:
patent: 2641689 (1953-06-01), Poitras
patent: 3204653 (1965-09-01), Hettlinger
patent: 3288165 (1966-11-01), Cranage
patent: 3348772 (1967-10-01), Chabrier et al.
patent: 3380430 (1968-04-01), Hogel
patent: 3682129 (1972-08-01), Phillbrick

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