Low pressure alarm for self-contained breathing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12239861
APP PUB NO 20220249880A1
SERIAL NO

17629875

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A self-contained breathing apparatus including a face mask, an air tank for storing and delivering pressurized air, a pressure reducer for reducing the pressure of pressurized air delivered by the air tank to a breathable pressure, wherein the pressure reducer comprises a pressure reducer inlet that is in communication with an air tank outlet, an alarm system including an alarm system inlet that is in communication with a pressure reducer outlet, wherein a first air path connects the pressure reducer outlet to the alarm system inlet, and wherein the alarm system further comprises an alarm system outlet, and a second air path including an second air path inlet in communication with the alarm system outlet and a second air path outlet in communication with the face mask.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Landis, Jeffrey L Charlotte, US 5 25

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