US 12,442,388 B2
Fan with multilayer fan blades
Ganglong Fan, Guangdong (CN)
Assigned to Huizhou Xunshuo Technology Co., Ltd, Huizhou (CN)
Filed by Huizhou Xunshuo Technology Co., Ltd, Guangdong (CN)
Filed on Apr. 30, 2024, as Appl. No. 18/651,545.
Claims priority of application No. 202420372650.8 (CN), filed on Feb. 27, 2024.
Prior Publication US 2025/0270999 A1, Aug. 28, 2025
Int. Cl. F04D 29/38 (2006.01); F04D 19/00 (2006.01)
CPC F04D 29/388 (2013.01) [F04D 19/002 (2013.01); F04D 29/384 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A fan with multilayer fan blades, comprising:
a fan frame; and
a motor;
wherein multilayer fan blades are arranged in the fan frame; the multilayer fan blades are connected to the motor, a connection block is arranged in a center of the multilayer fan blades, and the multilayer fan blades are arranged with at least two layers of fan blade connection rings; and a plurality of first layer blades are arranged between the connection block and a first layer fan blade connection ring, and a plurality of second layer blades are arranged between the first layer fan blade connection ring and a second layer fan blade connection ring;
wherein the multilayer fan blades comprises the plurality of first layer blades and the plurality of second layer blades, and the at least two layers of fan blade connection rings comprises the first layer fan blade connection ring and the second layer fan blade connection ring;
wherein the fan frame is arranged with a motor fixing position, a magnetic attraction fixing position is arranged at a bottom of the motor fixing position, a magnet housing is arranged in the magnetic attraction fixing position, and a magnet is arranged in the magnet housing.