FIELD: medicine.
SUBSTANCE: electric-drive air-purifying breath-sensitive respirator contains air-proof case, containing joints for filters, and for supply of purified air into face mask, fan with electric engine drive, located in said waterproof case, for sucking up air through said filters and for supply of purified air into face mask. Fan is represented by blade fan, providing constant air flow. Regulator is located in said case parallel to blade fan, by-pass canal joins output hole of blade fan with input hole of blade fan. Said regulator is made with possibility to open said by-pass canal, when pressure in face mask exceeds specified positive pressure.
EFFECT: there are ensured long working life and high efficiency of respirator.
6 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FULL FACE MASK FOR ELECTRICALLY DRIVEN AIR-PURIFYING RESPIRATOR (PAPR) | 2011 |
|
RU2566910C2 |
| COMBINED SYSTEM OF AIR DELIVERY AND AIR CLEANING | 2006 |
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RU2397705C2 |
| HEATING FOR POWERED AIR UNIT | 2014 |
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RU2648034C2 |
| PORTABLE AIR PURIFIER WITH FILTERS, COVERED BY CASING | 2006 |
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RU2372120C2 |
| AIR FILTRATION DEVICE WITH CONTROLLED AIR DISTRIBUTION SYSTEM | 2012 |
|
RU2579344C1 |
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| ELECTRIC EXHAUST DEVICE FOR THE RESPIRATORY PROTECTIVE EQUIPMENT | 2013 |
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|
RU2668855C2 |
| AIR FILTER | 2009 |
|
RU2458729C2 |
| RESPIRATOR | 2014 |
|
RU2561853C1 |
