US 12,292,055 B1
Combined blade device and combined air outlet device
Ping Zhang, Shenzhen (CN); Shanxian Hu, Shenzhen (CN); Xinglin Sun, Shenzhen (CN); Huizhu Zhou, Shenzhen (CN); Yelin Sun, Shenzhen (CN); and Lanying Luo, Shenzhen (CN)
Assigned to XUXIN TECHNOLOGY (SHENZHEN) GROUP CO., LTD, Shenzhen (CN)
Filed by XUXIN TECHNOLOGY (SHENZHEN) GROUP CO., LTD, Shenzhen (CN)
Filed on May 29, 2024, as Appl. No. 18/677,102.
Application 18/677,102 is a continuation of application No. PCT/CN2022/134892, filed on Nov. 29, 2022.
Claims priority of application No. 202111639861.0 (CN), filed on Dec. 29, 2021.
Int. Cl. F04D 29/30 (2006.01); F04D 17/08 (2006.01); F04D 29/28 (2006.01)
CPC F04D 29/30 (2013.01) [F04D 17/08 (2013.01); F04D 29/281 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A combined air outlet device, comprising:
a combined blade device comprising:
a hub, wherein a first air inlet is formed outside an edge of a first end of the hub, and a first air outlet is formed outside an edge of a second end of the hub, the hub is internally provided with a centrifugal cavity, the first end of the hub is provided with a second air inlet, the first air inlet surrounds the second air inlet, the second end of the hub is provided with a second air outlet, both the second air inlet and the second air outlet are communicated with the centrifugal cavity, and the hub expands gradually in a direction from the second air inlet to the second air outlet;
at least one diagonal flow blade, connected to one side of the hub that is away from the centrifugal cavity;
a plurality of centrifugal blades, connected to the hub and located in the centrifugal cavity, wherein rotating axes of the at least one diagonal flow blade and the at least one centrifugal blade coincide with each other;
an air deflector in which at least part of the combined blade device is arranged;
a driving element connected to the combined blade device and configured to drive the combined blade device to rotate; and
a base, wherein the base is connected to one side of the plurality of centrifugal blades that are away from the second air inlet, and configured to mount the driving element;
wherein the air deflector is provided with a first air guide section and a second air guide section, the first air guide section is disposed around the hub, the second air guide section is disposed around the base and blocks the second air outlet in a radial direction of the hub, and the second air guide section is configured to guide airflows discharged from the first air outlet and the second air outlet.