| 摘要 |
PURPOSE: A compressed air purifier is provided to improve purification efficiency by stirring compressed air and differentiating presses on the center part and the outer circumference part of a filter unit. CONSTITUTION: A compressed air purifier includes a case(10) and filtering units(20a, 20b). Inlet and outlet covers(12a, 12b) are combined with both end parts of a cylindrical case main body(11). An inlet(14a) and an outlet(14b) are connected to the conduit of compressed air at the covers. The filter units are composed of filters. A filter main body made of a polymer synthetic resin film is electrically charged, and a plurality of interval keeping protrusions is formed in the filter main body. Filter elements(120) cylindrically surround the filtering main body to form a through path. A filter of arc cross-section is made of the filter elements. The filters of arc cross-section are faced to form a cavity. At least two filters are inserted into the case main body.
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