| 摘要 |
<p>The present invention relates to an exhaust device, and more specifically, to a non-motorized swirler local exhaust device using a suction air flow rate which uses a suction air flow energy when a centralized exhaust device generates the suction air flow to rotate rotary wings and a swirler fan connected to the rotary wings by a connection shaft without power to generate a vortex to suck air containing a pollution source into a housing quickly and efficiently to increase exhaust efficiency. Accordingly, the non-motorized swirler local exhaust device using a suction air flow rate according to the present invention comprises: a housing having an empty space formed therein and an exhaust pipe formed thereon to discharge air flowing thereinto; rotary wings disposed in the housing to rotate without power when a suction flow is generated; a swirler fan connected to the rotary wings by a connection shaft to rotate without power when the rotary wings rotate to suck external air into the housing; and a connecting member to fix the connection shaft on the housing.</p> |
