FIELD: heat-power engineering. SUBSTANCE: blade of cooling tower fan includes spars, ribs, stringers and skin. Innovation of invention consists in form of spars consisting of two halves; parts nearest to center of rotation of fan located in fan-shaped patter; external parts of spars changing to stringers are located along blade and are coupled with above-mentioned parts. Parts of extreme spars are coupled on reinforced ribs nearest to axis of rotation and center parts are coupled on farthest reinforced ribs. EFFECT: enhanced reliability. 3 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FAN FOR COOLING TOWER | 2001 |
|
RU2218532C2 |
| WATER-COOLING TOWER FAN | 2002 |
|
RU2234002C2 |
| FAN FOR COOLING TOWER | 1996 |
|
RU2123139C1 |
| FAN COOLING TOWER | 2012 |
|
RU2522135C1 |
| AIRCRAFT WING, AIRCRAFT WINGS CAISSON, CENTER WING, SPAR (VERSIONS) | 2019 |
|
RU2709976C1 |
| BLADE AND METHOD OF ITS PRODUCTION | 2018 |
|
RU2688603C1 |
| INTEGRATED TECHNOLOGY OF OPERATION AND PRODUCTION OF MAKSINIO VEHICLES HYBRID AIRCRAFT (VERSIONS), TURBOPROP JET ENGINE, WING (VERSIONS), METHOD OF GENERATING LIFT AND METHOD OF TURBOPROP JET ENGINE OPERATION | 2010 |
|
RU2460672C2 |
| COOLING TOWER | 0 |
|
SU1118842A1 |
| VENTILATOR COOLING TOWER | 2006 |
|
RU2350868C2 |
| FAN | 2016 |
|
RU2651894C2 |
