Portable room air purifier
First Claim
1. A portable air purifier comprising a housing having an air inlet and an air outlet, a filter means disposed within said housing and between said air inlet and outlet, a fan means disposed within said housing, a motor means for driving said fan means to draw air in through said air inlet and through said filter means and out through said air outlet, at least one generally arcuate scroll mounted within said housing between said fan means and said air outlet, said scroll having inner and outer surfaces and defining an exhaust opening through which air is exhausted toward said air outlet, a deflector means adjacent said air outlet extending from said scroll exhaust opening and progressively closer to said outer surface of said scroll to thereby define an opening tapering passageway between said scroll and said deflector means through which air is radially directed at least outwardly of said air outlet of said housing.
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Accused Products
Abstract
A portable and compact room air purifier having an internal filter element through which air is drawn by a centrifugal fan and wherein the air is discharged generally uniformly and radially by passing between at least one generally arcuate scroll and a surrounding deflector. The purifier is automatically deactivated in the event of destruction or removal of the filter housing.
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Citations
32 Claims
- 1. A portable air purifier comprising a housing having an air inlet and an air outlet, a filter means disposed within said housing and between said air inlet and outlet, a fan means disposed within said housing, a motor means for driving said fan means to draw air in through said air inlet and through said filter means and out through said air outlet, at least one generally arcuate scroll mounted within said housing between said fan means and said air outlet, said scroll having inner and outer surfaces and defining an exhaust opening through which air is exhausted toward said air outlet, a deflector means adjacent said air outlet extending from said scroll exhaust opening and progressively closer to said outer surface of said scroll to thereby define an opening tapering passageway between said scroll and said deflector means through which air is radially directed at least outwardly of said air outlet of said housing.
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23. A portable air purifier comprising:
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a housing having an air inlet and a base having an air outlet; a filter means disposed within said housing and between said air inlet and said base; a fan means disposed within said housing; a motor means for driving said fan means to draw air through said air inlet into said filter and out through said air outlet; at least one generally arcuate scroll mounted within said base between said fan means and said air outlet, said scroll having inner and outer surfaces and defining an exhaust opening through which air is exhausted toward said air outlet. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification