BACTERIAL CONTROL MASK

Publication Date

Patent Number

US3747599A

Abstract

PROBLEM TO BE SOLVED: To efficiently manufacture absolutely clean compressed air with no various bacteria harmful to the human body by ensuring that both disinfection and sterilization processes are performed at a portion upstream of an air compressing device which manufactures compressed air. SOLUTION: A sterilizing device 20, a disinfecting device 30, and a dust collecting device 40 are arranged in order toward the upstream side of an air compressing device 10. First, dust in air is removed by the dust collecting device 4O, and then bacteria, Eumycetes, and dust that could not be removed by the dust collecting device 40 are captured by the disinfecting device 30, and finally micro viruses and the like that could not be captured by the disinfecting device 30 are killed by exposure to ultraviolet radiation. Finally, the air treated by the sterilizing device 20 is allowed to pass through an intake pipe 18c and enter the air compressing device 10, where it is stored in a compressed air tank 13 by an air compressor 11 as absolutely sterile compressed air. When necessary the compressed air stored is supplied from a compressed air outlet pipe 16 to various pneumatic equipment via an air drying device 50.

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