FIELD: electric engineering. SUBSTANCE: radial fan 2 is mounted inside a conical corrugated housing of the air heater. The fan consists of working wheel 3 fitted on the shaft of electric motor 4, manifold 5 with swirling guide apparatus 6, fairing 7, and electric heating members 8 interposed between housing 1 and inner corrugated shell 9 at an inclination to the axis of the article. Flange of electric motor 4 and inner corrugated shell 9 define a ring slot for cooling the electric motor. EFFECT: enhanced efficiency. 4 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CENTRIFUGAL FAN | 1991 |
|
RU2029135C1 |
| WORKING WHEEL OF CENTRIFUGAL PUMP | 1993 |
|
RU2061909C1 |
| CENTRIFUGAL PUMP | 1992 |
|
RU2029136C1 |
| FAN | 1991 |
|
RU2029137C1 |
| CENTRIFUGAL PUMP | 1991 |
|
RU2047007C1 |
| CENTRIFUGAL FAN | 1991 |
|
RU2009375C1 |
| CENTRIFUGAL FAN IMPELLER | 1991 |
|
RU2009379C1 |
| WORKING WHEEL OF CENTRIFUGAL FAN | 1992 |
|
RU2034176C1 |
| WORKING WHEEL OF CENTRIFUGAL FAN | 1992 |
|
RU2029138C1 |
| WORKING WHEEL OF CENTRIFUGAL FAN | 1993 |
|
RU2061910C1 |
