发明名称 |
Active exhaust gas muffler. |
摘要 |
An active muffler (1) wherein a metal casing (3) defines a parallelepiped inner cavity (8) divided into a first (8a) and second (8b) chamber by a rectangular panel (13) of material impervious to heat. The panel (13) presents a central through opening (19), the peripheral edge of which contacts the peripheral edge (30) of the cone of a loudspeaker (6) housed in the first chamber (8a) and supplied by an electronic active noise reducing system. The second chamber (8b) houses a passive muffler (35) supplied with the exhaust gas produced by a vehicle engine. <IMAGE> |
申请公布号 |
EP0674097(A1) |
申请公布日期 |
1995.09.27 |
申请号 |
EP19950102257 |
申请日期 |
1995.02.17 |
申请人 |
ELECTRONIC SOUND ATTENUATION S.P.A. |
发明人 |
RENZULLO, ANDREA;MAZZUCCHELLI, RICCARDO |
分类号 |
F01N1/06;G10K11/178 |
主分类号 |
F01N1/06 |
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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