HEPA FILTER UNIT FOR A CLEAN ROOM WITH AN UPPER COVER HAVING A SPIN-IN, A POROUS PART LOWER COVER, AND A HEPA FILTER

摘要

PURPOSE: A HEPA filter unit for a clean room is provided to replace a filter in indoor or outdoor while easily installing the filter by reducing volume and weight of the filter, and to maintain a constant height with a chain ring of a lower cover.;CONSTITUTION: A HEPA filter unit for a clean room comprises the following: a frame(10) going in gear between a ceiling panel of the clean room; an upper cover(20) with a spin-in to combine an outside flow path; a lower cover(30) with a porous part(35), which is attachably and detachably combined to the bottom of the frame; and a HEPA filter(40) filtering minute dust etc. The frame uses an upper and a lower casings(11,12) and an inner frame(13).;COPYRIGHT KIPO 2010