| 摘要 |
PURPOSE: A blast fan housing is provided to reduce an installation space in a width direction and to secure the static pressure and a wind volume of the blast fan housing unit. CONSTITUTION: A blast fan housing (100) includes a first housing unit (110), a second housing unit (120), and a third housing unit (130). The first and second housing units include air inlets (101) and are arranged to be faced each other while surrounding a blast fan in a rotary shaft direction. The third housing unit connects the first and second housing units, surrounds the blast fan in a circumferential direction of the blast fan, and includes end portions forming an air outlet (102) with the end portions of the first and second housing units.
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