Fire-fighting smoke exhaust fan

• Main Author: JIN JUNJIE
• Format: Patent
• Language: Chinese; English
• Published: 01.12.2020
• Subjects: BLASTING; FIRE-FIGHTING; HEATING; HUMAN NECESSITIES; LIFE-SAVING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses a fire-fighting smoke exhaust fan. The fan comprises a shell, a spring, a bearing, fan blades and a clamping block, a turntable is arranged on the outer side of the shell;a sliding block is arranged on the inner side of the turntable; a supporting rod is arranged on the f...