The subject of the invention is a ventilation device (1) comprising at least one duct (2) for conducting an air flow within the duct (2) in an air flow direction (A), the ventilation device (1) comprising at least one sound attenuation member (4) which is arranged at least partially around the duct (2) and which consists of a network of resonators (6), each resonator (6) has at least one cavity (8) and a neck (10) connecting the cavity to the duct (2), the resonators (6) forming the network of resonators (6) being distributed at least parallel to the air flow direction (A), characterized in that the distance (D [alpha], D [beta]) separating the two necks (10) varies in a direction parallel to the air flow direction (A), and the volume of the cavity (8) varies in a direction parallel to the airflow direction (A).

    本发明的主题是一种通风装置(1),其包括至少一个管道(2),用于在该管道(2)内沿气流方向(A)引导气流,该通风装置(1)包括至少一个声衰减构件(4),该声衰减构件至少部分地围绕管道(2)布置并且由谐振器(6)的网络构成,每个谐振器(6)具有至少一个腔体(8)和一个将腔体连接至管道(2)的颈部(10),构成该谐振器(6)的网络的谐振器(6)至少平行于气流方向(A)分布,其特征在于,将两个颈部(10)间隔开的距离(Dα、Dβ)沿着平行于气流方向(A)的方向变化,并且腔体(8)的体积沿着平行于气流方向(A)的方向变化。


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    Title :

    Ventilation device for ventilation, heating and/or air conditioning system of motor vehicle


    Additional title:

    用于机动车辆的通风、供暖和/或空气调节系统的通风装置


    Contributors:
    GOODE SIMON (author) / MATHARAN THOMAS (author) / BRICOURT C ¨ (author) / DRIC (author)

    Publication date :

    2023-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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