Warning device for compressed air tanks

Details Warning device for compressed air tanks Warning device for compressed air tanks

1990-03-23

1991-08-20

Cuchlinski, Jr., William A.

Signals and indicators

Alarms

Fluid-pressure variation

116203, 137557, G01L 1912, B63C 1102, B63C 1122, F17C 1302

Patent

active

050404776

ABSTRACT:
A warning device for use with tanks of compressed air which device will automatically generate an audible warning signal that can be heard under water or in other noxious gas or in oxygen-depleted environments when the air pressure in the tank reaches a predetermined low pressure level.

REFERENCES:
patent: 3056378 (1962-10-01), Simmonds
patent: 3149752 (1964-09-01), Gagnan et al.
patent: 3244196 (1966-04-01), Replogle
patent: 3719160 (1973-03-01), Christianson
patent: 3811400 (1974-05-01), Smilg
patent: 4249473 (1981-02-01), Pasternack et al.
patent: 4275681 (1981-06-01), Ragavan et al.
patent: 4275723 (1981-06-01), Warncke et al.
patent: 4487155 (1984-12-01), Olesen
patent: 4825802 (1989-05-01), Le Bec
patent: 4950107 (1990-08-01), Hancock et al.

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