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    • 2. 发明专利
    • Ozone purification system
    • JP4401862B2
    • 2010-01-20
    • JP2004143046
    • 2004-05-13
    • 本田技研工業株式会社
    • 淳宏 宮内竜也 岡山晃一 稲葉
    • B01D53/86G01N27/12
    • Y02A50/2347
    • PROBLEM TO BE SOLVED: To provide an ozone cleaning apparatus in which an ozone concentration sensor is protected to keep the accuracy of the ozone concentration sensor for detecting ozone concentration over a long period of time, so that deterioration in an ozone cleaning catalyst can be detected correctly. SOLUTION: The ozone concentration sensor 11 for detecting ozone concentration is housed in a housing case 12. Air is introduced into the housing case 12 through a suction-side flow passage 13 and the introduced air is discharged from the housing case 12 through a discharge-side flow passage 14. An air filter 17 through which air is made to pass and with which dust and trash are collected is arranged near an inlet 21 of the suction-side flow passage. A first stop valve 15 and a second stop valve 16 are arranged on the suction-side flow passage 13 and the discharge-side flow passage 14, respectively. The stop valves 15 and 16 are opened during the operation of an engine 6 and are closed during the stop of the engine 6. COPYRIGHT: (C)2006,JPO&NCIPI