公开(公告)号：US09997152B2

公开(公告)日：2018-06-12

申请号：US15341496

申请日：2016-11-02

申请人： Eberspächer Exhaust Technology GmbH & Co. KG

发明人： Manfred Nicolai ,  Thomas Schmidt ,  Jan Krüger

IPC分类号： G10K11/16 ,  G10K11/178 ,  F01N13/18 ,  F01N1/06 ,  F01N1/16 ,  H04B1/00 ,  H04R9/06

CPC分类号： G10K11/178 ,  F01N1/065 ,  F01N1/166 ,  F01N13/1866 ,  G10K2210/127 ,  G10K2210/128 ,  H04R9/06 ,  H04R2499/13

摘要： A sound generator (100) mounts on a vehicle to manipulate vehicle noise originating from a vehicle operated by an internal combustion engine. The sound generator (100) includes a casing (110), a loudspeaker (120), and at least one pressure compensation valve (130). The loudspeaker (120) and the casing (110) together thereby enclose a volume (115). Further, the pressure compensation valve (130) couples the volume (115) enclosed by the loudspeaker (120) and the casing to an outside of the casing (110). The pressure compensation valve (130) thereby extends through a plane in which the loudspeaker (120) is located. A system (200) for manipulating sound waves propagating through exhaust systems of vehicles driven by an internal combustion engine uses the above sound generator (100).

公开(公告)号：US09374632B2

公开(公告)日：2016-06-21

申请号：US14271946

申请日：2014-05-07

申请人： Eberspächer Exhaust Technology GmbH & Co. KG

发明人： Jan Krueger ,  Manfred Nicolai

IPC分类号： G10K11/16 ,  H04R1/00 ,  F02M35/12 ,  F01N1/06 ,  G10K9/13 ,  G10K11/178 ,  G10K13/00

CPC分类号： H04R1/00 ,  F01N1/065 ,  F02M35/125 ,  G10K9/13 ,  G10K11/178 ,  G10K13/00 ,  G10K2210/112 ,  G10K2210/3212

摘要： A sound generator for influencing sound waves propagating in exhaust or intake systems of combustion engine driven vehicles includes: an enclosure having a port opening for communication with an exhaust and/or intake system; a loudspeaker basket supported by the enclosure; a membrane and a permanent magnet supported by the loudspeaker basket; and a voice coil supported by a voice coil carrier. The voice coil is disposed in a constant magnetic field created by the permanent magnet and is connected to the membrane. The membrane is located between the port opening and the permanent magnet. The membrane is funnel-like or dome-like, with the top or top face of the funnel-like membrane or the geometric center of the dome-like membrane facing away from the permanent magnet. An anti-noise system using the sound generator, and a vehicle using the anti-noise system are also provided.

摘要翻译： 用于影响在内燃机驱动车辆的排气或进气系统中传播的声波的声发生器包括：具有用于与排气和/或进气系统连通的端口的外壳; 由外壳支撑的扬声器篮; 由扬声器篮支撑的膜和永磁体; 以及由音圈载体支撑的音圈。 音圈设置在由永久磁铁产生的恒定磁场中并与膜连接。 膜位于端口和永磁体之间。 膜是漏斗状或圆顶状，漏斗状膜的顶面或顶面或圆顶状膜的几何中心背离永磁体。 还提供了使用声音发生器的抗噪声系统和使用抗噪声系统的车辆。