The range hood comprises a box body, a fan and a first flow blocking ring, the box body is provided with a containing cavity, an air inlet and an air outlet, the air inlet and the air outlet are communicated with the containing cavity, the fan is at least partially contained in the containing cavity, the fan comprises an impeller and a motor in driving connection with the impeller, and the first flow blocking ring is arranged in the axial direction of the impeller. The projection of the impeller is located in the projection of the air inlet, a gap is formed between the projection of the impeller and the projection of the air inlet, the first flow blocking ring is arranged in the axial direction of the impeller, and the projection of the first flow blocking ring shields the gap. According to the technical scheme, the backflow gas is reduced as much as possible, so that the noise generated during operation of the range hood is low, and the user experience is improved.
本发明公开一种吸油烟机和车辆,其中吸油烟机包括:箱体、风机、及第一挡流环,箱体设有容置腔、及连通容置腔的进风口和出风口,风机至少部分收容于容置腔,风机包括叶轮、及与叶轮驱动连接的电机,在叶轮的轴向上,叶轮的投影位于进风口的投影内,叶轮的投影与进风口的投影之间具有间隙,第一挡流环在叶轮的轴向上,第一挡流环的投影遮挡间隙。本发明的技术方案旨在尽可能减少回流气体,从而使得吸油烟机运行时发出的噪音较小,进而提高用户体验。
Range hood and vehicle
吸油烟机和车辆
2024-01-16
Patent
Electronic Resource
Chinese
IPC: | F24C OTHER DOMESTIC STOVES OR RANGES , Andere Hausöfen oder -herde / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
Special direct-discharge range hood for recreational vehicle
European Patent Office | 2020
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