公开(公告)号：US06772858B2

公开(公告)日：2004-08-10

申请号：US09875144

申请日：2001-06-07

申请人： Eric Trochon

发明人： Eric Trochon

IPC分类号： E04F1704

CPC分类号： F16L55/033 ,  G10K11/172 ,  G10K11/175

摘要： The device for attenuation of noise in a tube intended to transport a gas includes a branch tube having two ends which open into said tube by two connections, and at least one tube referred to as quarter wave tube having a closed end referred to as the free end and another end which is connected to said tube at the level of the connections of the branch tube, thus forming three sections of circulation of gas entering into said tube. The invention can be applied in the field of motor vehicles.

摘要翻译： 用于衰减用于输送气体的管中的噪声的装置包括具有两端的分支管，其两端通过两个连接而进入所述管，并且至少一个称为四分之一波管的管被称为自由 端部和另一端，其在分支管的连接水平处连接到所述管，从而形成进入所述管的气体的三个循环部分。 本发明可应用于机动车辆领域。