发明名称 |
Method of making an exhaust-noise attenuation muffler, and exhaust-noise attenuation muffler |
摘要 |
An exhaust-noise attenuation muffler includes two half-shells, each including an inner shell and an outer shell which are made through deep drawing of a sheet metal blank which can have a thickness between 0.3 mm and 0.5 m. The inner shell or the outer shell is provided with an embossment. After placing the inner shells in corresponding ones of the outer shells to form half-shells, two complementing half-shells are joined together.
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申请公布号 |
US7926615(B2) |
申请公布日期 |
2011.04.19 |
申请号 |
US20090361167 |
申请日期 |
2009.01.28 |
申请人 |
BENTELER AUTOMOBILTECHNIK GMBH |
发明人 |
SMATLOCH CHRISTIAN;VAN DEN EIJKEL PIETER |
分类号 |
F01N1/02;F01N13/18;F01N1/08;F01N5/00;F01N13/08 |
主分类号 |
F01N1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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