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1.发明公开METHOD AND DEVICE FOR REDUCTION IN CONCENTRATIONS OF OZONE AND NITRIC ACID GENERATED IN COOLING AIR THAT FLOWS THROUGH CIRCULATION AIRFLOW PATH IN ROTARY ELECTRIC MACHINE 审中-公开方法和装置用于降低通过循环气流路径流体冷却臭氧和NITRINSÄURE的空气所产生水平在电动车床
公开(公告)号：EP2582024A4
公开(公告)日：2015-03-25
申请号：EP11792332
申请日：2011-06-01
CPC分类号： H02K9/26 , B01D53/04 , B01D53/8675 , B01D2251/11 , B01D2253/102 , B01D2257/40 , B01D2258/06
摘要： The present invention provides a method for reducing concentrations of ozone and nitric acid produced in cooling air flowing through a circulating airflow path of a rotary electric machine, the method including: disposing an ozone decomposition unit containing an ozone decomposition catalyst in the circulating airflow path; and allowing the cooling air to pass through the ozone decomposition unit so as to decompose ozone and to suppress production of nitric acid. According to the present invention, the method and device are capable of reducing the concentrations of ozone and nitric acid produced in the cooling air flowing through the circulating airflow path of the rotary electric machine for a long period of time while preventing pressure loss.
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