Patent ID: 6402815
Filing Date: 2002-06-11
Classification: B01D

Abstract:
An apparatus comprising:an inlet to take in contaminated air; an outlet to discharge purified air; and a rotatable compartment to purify said contaminated air using liquid, said liquid being enclosed within said rotatable compartment, said rotatable compartment coupled to said inlet and said outlet to rotate together, wherein said rotatable compartment comprises: a first structure that forms an outer shape of said rotatable compartment, said first structure having an inner surface, said inner surface to support a liquid membrane; a second structure to transfer air, said second structure placed inside said first structure; a plurality of first partition structures extending radially from said second structure to said first structure; and a stage to purify air, said stage defined by a portion of said first structure, a portion of said second structure and a pair of first partition structures, said portion of said first structure forming an outer shape of said stage, said portion of said second structure forming an inner shape of said stage.