FIELD: manufacture of fans. SUBSTANCE: axial-flow fan has impeller with blades fitted on bushes and ring located before blades. Ring is mounted on bush at distance from leading edges of blade equal to 0.012-0.04 of diameter of bush and its thickness of cross section is equal to 0.008-0.02 diameter of bush. EFFECT: enhanced reliability. 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WORKING WHEEL OF CENTRIFUGAL FAN | 1992 |
|
RU2029138C1 |
| CENTRIFUGAL PUMP | 1992 |
|
RU2029136C1 |
| WORKING WHEEL OF CENTRIFUGAL FAN | 1993 |
|
RU2061910C1 |
| CENTRIFUGAL FAN IMPELLER | 1991 |
|
RU2009379C1 |
| WORKING WHEEL OF CENTRIFUGAL FAN | 1992 |
|
RU2034176C1 |
| CENTRIFUGAL FAN | 1991 |
|
RU2009375C1 |
| WORKING WHEEL OF CENTRIFUGAL PUMP | 1993 |
|
RU2061909C1 |
| WORKING WHEEL OF CENTRIFUGAL FAN | 1992 |
|
RU2067694C1 |
| CENTRIFUGAL FAN | 1991 |
|
RU2029135C1 |
| CENTRIFUGAL PUMP | 1991 |
|
RU2047007C1 |
