MULTI-FUNCTIONAL COMBINED REDUCER FOR BREATHING APPARATUS

The utility model relates to a portable multi-functional combined reducer for breathing apparatus, which is formed by combining and integrating a pressure reduction device, a safety valve, a pressure indicating apparatus and a residual gas warning device, and no pipes are used. The utility model has...

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Bibliographic Details
Main Authors DING WANRONG, LI QINGYU, ET AL
Format Patent
LanguageEnglish
Published 26.07.1989
Edition4
Subjects
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
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
HYGIENE
LIFE-SAVING
MEDICAL OR VETERINARY SCIENCE
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Summary:The utility model relates to a portable multi-functional combined reducer for breathing apparatus, which is formed by combining and integrating a pressure reduction device, a safety valve, a pressure indicating apparatus and a residual gas warning device, and no pipes are used. The utility model has the advantages of reasonable design, compact structure, small size, high safety and good gas tightness. The gas supply with fixed quantity in a fixed quantity hole type can be realized, and the high flow rate output, which is more than 300l/min, can be realized by enlarging the output aperture; output flow rate can not be reduced because of frosting during the long time high flow rate output.
Bibliography:Application Number: CN1988217234U