초록

A fan-filter combination which can be used to remove air-borne contaminates in air that is directed into or exhausted from localized areas includes a filter affixed to a fan unit by a bracketing structure into which the filter is slidingly receivable.

대표청구항 ▼

A portable fan apparatus, comprising: a housing having an inlet opening, an outlet opening and an air passage extending from said inlet opening to said outlet opening; air movement means disposed in said air passage for causing air to flow into said inlet opening, through said air passage and out sa

A portable fan apparatus, comprising: a housing having an inlet opening, an outlet opening and an air passage extending from said inlet opening to said outlet opening; air movement means disposed in said air passage for causing air to flow into said inlet opening, through said air passage and out said outlet opening; a filter; filter support means for removably supporting said filter on said housing upstream of said air movement means in a manner so that all air flowing through said air passage passes through said filter, said filter being slidably inserted into and removed from said filter support means in directions transverse to a direction of air movement through said filter; a grille which is fixedly secured to said housing and extends across said inlet opening in said housing on a side of said filter remote from said air movement means; said housing having therein a further opening through which said filter can be slidably inserted into and removed from said filter support means.