US 11,867,194 B2
Impeller apparatus and air blowing device
Qing Wang, Zhongshan (CN); Zhenbin He, Zhongshan (CN); Wenbo Du, Zhongshan (CN); Xin Yang, Zhongshan (CN); Hanfei Chen, Zhongshan (CN); Zhiping Sun, Zhongshan (CN); and Mingbi Li, Zhongshan (CN)
Assigned to GD MIDEA ENVIRONMENT APPLIANCES MFG CO., LTD., Zhongshan (CN); and MIDEA GROUP CO., LTD., Foshan (CN)
Appl. No. 17/624,075
Filed by GD MIDEA ENVIRONMENT APPLIANCES MFG CO., LTD., Zhongshan (CN); and MIDEA GROUP CO., LTD., Foshan (CN)
PCT Filed Sep. 27, 2019, PCT No. PCT/CN2019/108664
§ 371(c)(1), (2) Date Dec. 30, 2021,
PCT Pub. No. WO2021/017144, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 201921236063.1 (CN), filed on Aug. 1, 2019.
Prior Publication US 2022/0356886 A1, Nov. 10, 2022
Int. Cl. F04D 29/28 (2006.01); F04D 17/02 (2006.01); F04D 29/42 (2006.01)
CPC F04D 29/281 (2013.01) [F04D 17/02 (2013.01); F04D 29/4226 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An impeller apparatus comprising:
a housing including:
an air duct formed in the housing, the air duct including a first air duct and a second air duct successively connected to each other, and the second air duct having a non-blocking area;
a first side plate;
a second side plate; and
a first end plate arranged between and configured to connect a first end of the first side plate and a first end of the second side plate, the first end plate being formed with an open groove, the open groove extending to an edge of the first end plate and being formed with an opening at the edge of the first end plate;
an impeller arranged in the first air duct;
a heat generation member rotatably arranged in the second air duct, the heat generation member including a heat generation body and a shaft member at one end of the heat generation body, the shaft member being configured to be interposed into the open groove from the opening, and the heat generation member having:
a blocking state in which the heat generation member blocks the second air duct; and
a non-blocking state in which the heat generation member is accommodated in the non-blocking area and does not block the second air duct; and
a driving mechanism connected to the shaft member and configured to drive the shaft member.