FIELD: ventilation systems.
SUBSTANCE: fan, including a working wheel and an input guiding device on a flow path in front of the working wheel, preferably in front of an input area of an input nozzle, has an input guiding device in the form of an input guiding grate with ribs and/or guiding blades that are arranged and made in such a way that, in an essentially vortex-free incoming flow, the flow is affected in a circumferential direction.
EFFECT: obtaining a fan with an input guiding grate.
15 cl, 20 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2786681C2 |
| FAN IMPROVEMENTS | 2018 |
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RU2756944C2 |
| METHOD FOR INCREASING AEROTHERMODYNAMIC EFFICIENCY OF AIR COOLING DEVICE AND DEVICE FOR ITS IMPLEMENTATION | 2019 |
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| DEVICE FOR REMOVING FOREIGN OBJECTS FROM AIR FLOW IN FIRST STAGE OF AXIAL COMPRESSOR OR SUB-ZONE OF GAS TURBINE ENGINE FAN | 2017 |
|
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| COUNTERCURRENT DIAMETRIC FAN | 2020 |
|
RU2747597C1 |
| BODY OF A FAN AND FAN | 2019 |
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RU2776824C1 |
| FAN AND GUIDE APPARATUS FOR A FAN | 2019 |
|
RU2776734C1 |
| FAN STACK, FAN WITH SUCH STACK, AND DEVICE WITH SUCH FANS | 2013 |
|
RU2620308C2 |
| FAN-HEAT EXCHANGER | 1999 |
|
RU2224913C2 |
| AXIAL FAN | 0 |
|
SU1101589A1 |
