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分析了普通进排气阀的启闭特性 ,介绍了一种新型平衡反推式进排气阀的结构设计 ,该阀克服了普通进排气阀存在的缺陷 ,已获得国家实用新型专利 (专利号 :ZL0 2 2 75 6 97 3)。
The opening and closing characteristics of common intake and exhaust valves are analyzed. The structural design of a new type of balanced thrust reverser intake and exhaust valves is introduced. The valve overcomes the defects of conventional intake and exhaust valves and has obtained national utility model patents No .: ZL0 2 2 75 6 97 3).