US 12,442,386 B1
Centrifugal fan blade and fluid heat exchange device
Hsiu-Wei Wu, Shenzhen (CN); En-Yu Lin, Shenzhen (CN); and Zhongqi Zhou, Shenzhen (CN)
Assigned to SHENZHEN STONEPLUS THERMAL MANAGEMENT TECHNOLOGIES LIMITED, Shenzhen (CN)
Filed by SHENZHEN STONEPLUS THERMAL MANAGEMENT TECHNOLOGIES LIMITED, Shenzhen (CN)
Filed on May 22, 2024, as Appl. No. 18/671,869.
Application 18/671,869 is a continuation of application No. PCT/CN2024/089359, filed on Apr. 23, 2024.
Claims priority of application No. 202410433878.8 (CN), filed on Apr. 11, 2024.
Int. Cl. F04D 29/28 (2006.01); F04D 29/30 (2006.01)
CPC F04D 29/281 (2013.01) [F04D 29/30 (2013.01); F05D 2240/304 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A centrifugal fan blade, comprising:
a hub; and
a plurality of blades provided at intervals along a periphery of the hub;
wherein the plurality of blades comprise a body part and a bending part;
one end of the body part is connected to the hub, and the bending part is provided at an end of the body part away from the hub;
an orientation and a rotation direction of the bending part are the same, and an angle is formed between the bending part and the body part;
the body part comprises a first surface and a second surface provided oppositely along a thickness direction;
the bending part is protrudingly provided from the first surface;
a minimum distance between the first surface and the second surface is t1, and a distance of the bending part protruding from the first surface is t2; and
t2 is greater than or equal to 0.5t1, and t2 is less than or equal to 2.5t1.