??To the automotive, motorcycle to install a muffler , you can make people can find comfort in the bustling city . Wang Zhenwu , the power machinery and equipment , in addition to electrical machinery , almost all of the internal decals motorcycles powered devices , automobiles, motorcycles are the internal combustion engine driven .
??The noise generated by internal combustion engines is the main part of the city noise , my invention is to make this decals motorcycles of the noise disappeared . According to reports, Wang Zhenwu invented the internal combustion engine muffler full name is the internal combustion engine exhaust phase shift differential muffler has obtained a national patent .
??It is understood that the environmental pollution caused by internal combustion engines , including two aspects: First, air pollution, dot stickers for motorcycle helmets, are two sources of pollution generated in the work of the internal combustion engine exhaust process .
??In a variety of dot stickers for motorcycle helmets, as well as other internal combustion engines equipped with exhaust muffler .
??The biggest shortcoming of these muffler is a more complex structure , the exhaust resistance . This has resulted in noise reduction is not satisfactory, while increasing the exhaust pollution .
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