| 摘要 |
<p>The present invention relates to a compressed air purifier comprising: a case 10 in which entrance/exit covers 12a and 12b are coupled to both ends of a main body 11 of a cylindrical case, and an inlet pipe 14a and an outlet pipe 14b connected to a compressed air pipe are connected to the entrance/exit covers 12a and 12b, respectively; and filter means 20a and 20b in which a main body 121 of a filter made of a polymer synthetic resin is charged and a plurality of gap maintaining protrusions 122 are simultaneously formed, and then the main body 121 of the filter is wound into a cylindrical shape to form a filter element 120 having a vent channel 123, filters 21 and 22 having an arc-shaped cross-section are formed from the filter element 120, the filters 21 and 22 having an arc-shaped cross-section are positioned facing each other to be coupled, thereby forming a cavity C inside, and two or more pairs of the filters are inserted into the main body 11 of a case in such a way that space portions S1, S2, and S3 distanced by certain intervals are formed between the entrance/exit covers 12a and 12b and the filter, and between the filters.</p> |
