消声器

A silencer quietens the noise of the engine.

声把发动的噪音弭了。

The driver deadened the noise of the car with a new muffler.

司安装了新的声减少汽车嗓音。

The article has described the structure and working principle of multiprocess composite die for automobile deafener closure.

介绍了汽车声隔板多工序冲压复合模具的结构、工作原。

The sound tranfer loss of 2 kind of muffler structures are calculated, then tested and verified on the double sound transferrer random exciting exhaust muffler testing rig.

此种矩阵,计算了两种结构的声的传递损失,并在双传声激励声试验台上进行了试验验证。

JCQ depurant-muffler is adopted on 49ZQ engine using small rare-earth element balls as catalyst and took the method of quadrature frequency band optimization to opetmize the configuration parameters.

于492Q发动的JCQ净化声采稀土小球为催化剂，正交频带加权优化法优选声结构参数，取得良好的声、净化性能。

By using this method, the effects of various parameters on the performance of the exhaust muffler and a variation law are clear and all the indexes of the new muffer are improved.

通过正交设计,使新声的各项指标得到提高。