专利内容由知识产权出版社提供
专利名称：Air purifier
发明人：Chi Cheung Chung,Stephen Wai-Kin
Chan,Wing-Chung Li
申请号：US09998146申请日：20011130公开号：US06660070B2公开日：20031209
专利附图：
摘要：An air purifier includes a cabinet, an electrically driven fan, a replaceable filterelement, and an air quality sensor. A display provides a visual indication of the air qualitycondition. A microprocessor is programmed to control the speed of the fan
automatically according to the air quality condition. The microprocessor also computeswhen the filter element must be changed by totalling the time of operation and its speed(which equals air quality) so that for example the filter element will be changed moreoften (used for less aggregate time) when the air purifier is operated in a poor qualityenvironment.
申请人：SIMATELEX MANUFACTORY CO., LTD.
代理机构：Jackson Walker L.L.P.
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