FIELD: electrical engineering. SUBSTANCE: annular member of air duct 1 with guide blades is provided upstream of axial-flow fan 9 mounted along cooling gas flow path coaxially to fan; flap 21 is used to reduce cross-sectional area of cooling gas flow. EFFECT: improved cooling efficiency of fan and more uniform action of cooling gas. 6 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ROTATING ELECTRICAL MACHINE AND ITS COOLING TECHNIQUE | 1994 |
|
RU2129328C1 |
| BEARING ASSEMBLY (ITS EMBODIMENTS) | 0 |
|
SU1734579A3 |
| INTAKE CASING OF AXIAL-FLOW STEAM TURBINE | 1991 |
|
RU2069769C1 |
| AXIAL-FLOW TURBINE | 1993 |
|
RU2109961C1 |
| ELECTRIC MACHINE WITH HORIZONTAL SHAFT | 1994 |
|
RU2119226C1 |
| ELECTRIC MACHINE ROTOR CURRENT CONDUCTING SHAFT | 1992 |
|
RU2075811C1 |
| DEVICE FOR ATTACHMENT OF STATOR END WINDING TURN LEADS IN DYNAMOELECTRIC MACHINE | 1990 |
|
RU2012120C1 |
| ELECTRICAL MACHINE ROTOR | 1996 |
|
RU2174278C2 |
| GAS-TURBINE PLANT AND METHOD OF ITS OPERATION | 1994 |
|
RU2137935C1 |
| GAS DELIVERY RADIAL FLOW TURBINE | 1994 |
|
RU2125164C1 |
