Patent ID: 8449829
Filing Date: 2013-05-28
Classification: A61L

Abstract:
1. A clean air supply apparatus for supplying clean air to a work environment, wherein the clean air supply apparatus comprises an air inlet, an air supply port, a chemical agent gas supply apparatus, said clean air supply apparatus further comprising a pre-filter, a blower, a heater, a chemical agent gas eject apparatus and a filter apparatus arranged sequentially in an air path from the air inlet to the air supply port, wherein said filter apparatus has at least one filter with a primary side and a secondary side opposing the primary side mounted on the air supply port, adjacent to a clean air inlet of the work environment, wherein said chemical agent gas supply apparatus generates chemical agent gas and supplies the chemical agent gas to the chemical agent gas eject apparatus, said blower sends air into said air path, said heater adjusts a temperature of air in said air path, said chemical agent gas eject apparatus supplies the chemical agent gas into said air path, and said filter apparatus filters air supplied from the air supply port to said work environment, wherein said air path is sterilized by said chemical agent gas supplied to air flowing through said air path to said work environment with said filter being sterilized on said primary side and said secondary side.