Cooling fan for noise reduction type emergency generator set

• Main Authors: WAN LU, LI XUNHAI, LI JINGZHI, YAO GANG
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2021
• Subjects: BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a noise reduction type cooling fan for an emergency generator set, which comprises a fan, a fan seat plate, a fixing plate, a cover plate, a bolt, a fan air outlet hole, a cover plate air outlet hole, a protective shell, a fixing block, a sliding groove, a protective plate, a sliding block, a fixing hole and a locking nut, a plurality of sets of fan air outlet holes are formed in the side wall, close to the fan, of the fan base plate at equal intervals, a plurality of sets of cover plate air outlet holes are formed in the lower portion of the side wall of the cover plate, a protective shell is arranged on the outer side of the fan, a sliding groove is formed in the middle of the side, away from the fan, of the fixing block, and a protective plate is arranged on the side, close to the sliding groove, of the interior of the protective shell in a sliding mode. Sliding blocks are arranged at the upper end and the lower end of the side, close to the sliding groove, of the protection pla