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METHOD AND DEVICE FOR REDUCTION IN CONCENTRATIONS OF OZONE AND NITRIC ACID GENERATED IN COOLING AIR THAT FLOWS THROUGH A CIRCULATION AIRFLOW PATH IN A ROTARY ELECTRIC MACHINE
METHOD AND DEVICE FOR REDUCTION IN CONCENTRATIONS OF OZONE AND NITRIC ACID GENERATED IN COOLING AIR THAT FLOWS THROUGH A CIRCULATION AIRFLOW PATH IN A ROTARY ELECTRIC MACHINE
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机译:降低通过旋转气流路径在旋转电机中流动的冷却空气中所产生的臭氧和硝酸浓度的方法和装置
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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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