The exhaust sound insulation cover comprises a cover body used for covering an exhaust hole, the cover body is provided with a first opening, the first opening is opened towards the bottom of a vehicle, and a sound absorption layer is arranged on the inner wall of the cover body. The invention further discloses a vehicle body and a vehicle. The exhaust function can be achieved, noise transmitted into a vehicle from the outside of the vehicle can be reduced, and the NVH performance of the vehicle is improved.
本申请公开了一种排气隔音罩,包括用于覆盖排气孔的罩体,所述罩体设有第一开口,所述第一开口朝向车辆底部敞开,所述罩体的内壁设有吸音层。本申请还公开了一种车身及车辆。本申请其既能够满足排气功能,也能够减少车辆外部传入车内的噪音,提高车辆的NVH性能。
Exhaust sound insulation cover, vehicle body and vehicle
一种排气隔音罩、车身及车辆
28.02.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
SOUND INSULATION BODY FOR VEHICLE AND SILENCER FOR VEHICLE
Europäisches Patentamt | 2018
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