FIELD: mining industry; local mine fans. SUBSTANCE: invention is aimed at creating blade of axial-flow fan impeller providing safety as to prevention of accumulation of electrostatic charges at surface electric resistance of material of section exceeding 1011 Ohm and are of section exceeding 100 sq. cm and also fixing of metal skeleton parts inside profiled part made of dielectric material. EFFECT: enhanced safety. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| IMPELLER OF AXIAL FAN | 2000 |
|
RU2176334C1 |
| METHOD OF PRODUCING HOUSING SHELL FOR AXIAL FAN WITH WIND STRAIGHTENER | 1989 |
|
RU2029139C1 |
| DUST TRAP FOR DUST-TRAPPING UNITS OF ENTRY-DRIVING MACHINES | 0 |
|
SU1305381A1 |
| MECHANISM FOR ROTATING MOVING BLADES OF REVERCIBLE AXIAL FAN | 0 |
|
SU721563A1 |
| AIR-WATER EJECTOR FOR MINE CUTTER-LOADER | 0 |
|
SU985317A1 |
| TUBULAR SILENCER | 0 |
|
SU1768804A1 |
| EXPLOSION-SAFETY ARRANGEMENT FOR ENTRY-DRIVING MACHINE | 0 |
|
SU1265371A1 |
| AXIAL FAN WORKING WHEEL | 0 |
|
SU1749552A1 |
| HYDRAULIC VALVE | 1998 |
|
RU2159855C2 |
| METHOD OF CHECKING OF INSULATION RESISTANCE OF SINGLE-PHASE ELECTRIC MAINS AND DEVICE INTENDED FOR ITS REALIZATION | 1997 |
|
RU2120129C1 |
