Pneumatic alarm device

A pneumatic alarm device comprises an oxygen source, wherein a gas delivery pipe of the oxygen source is connected with a gas storage tank through a one-way valve. The pneumatic alarm device is characterized in that the gas delivery pipe of the oxygen source is further connected with a two-position...

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Bibliographic Details
Main Authors XU MINGZHOU, YAN QUANGUO
Format Patent
LanguageChinese
English
Published 10.04.2013
Subjects
ALARM SYSTEMS
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:A pneumatic alarm device comprises an oxygen source, wherein a gas delivery pipe of the oxygen source is connected with a gas storage tank through a one-way valve. The pneumatic alarm device is characterized in that the gas delivery pipe of the oxygen source is further connected with a two-position two-way pneumatic valve which is further connected with a pneumatic alarm through the gas delivery pipe. The pneumatic alarm comprises a tubular shell, wherein pinhole nozzles and a volume-adjustment device are arranged inside the tubular shell and the pinhole nozzles are connected with the two-position two-way pneumatic valve through the gas delivery pipe.
Bibliography:Application Number: CN20111290560