US 12,345,276 B2
Cross-flow air duct and air outlet device
Chi Zhang, Zhuhai (CN); Zhou Liu, Zhuhai (CN); Hao Liang, Zhuhai (CN); Wenlong Liang, Zhuhai (CN); Changjian Rao, Zhuhai (CN); and Ling Tian, Zhuhai (CN)
Assigned to GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI, Zhuhai (CN)
Filed by GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI, Zhuhai (CN)
Filed on Mar. 21, 2024, as Appl. No. 18/612,187.
Application 18/612,187 is a continuation of application No. PCT/CN2022/089930, filed on Apr. 28, 2022.
Claims priority of application No. 202111168578.4 (CN), filed on Sep. 30, 2021.
Prior Publication US 2024/0229823 A1, Jul. 11, 2024
Int. Cl. F04D 29/42 (2006.01); F04D 17/00 (2006.01); F04D 29/28 (2006.01); F04D 29/44 (2006.01); F04D 29/70 (2006.01); F24F 1/0025 (2019.01)
CPC F04D 29/4233 (2013.01) [F04D 17/00 (2013.01); F04D 29/281 (2013.01); F04D 29/441 (2013.01); F04D 29/703 (2013.01); F24F 1/0025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cross-flow air duct, comprising: a volute, the volute comprising a first body, a first side of the first body being an air inlet side, and a second side of the first body being an air outlet side; and a volute tongue, the volute tongue and the volute being arranged at an interval, the volute tongue comprising a second body, a first side of the second body being an air inlet side, a second side of the second body being an air outlet side, a mounting space suitable for mounting a fan wheel being formed between the first body and the second body, an air inlet port being formed between the first side of the first body and the first side of the second body, and an air outlet port being formed between the second side of the first body and the second side of the second body; wherein the air outlet port comprises a plurality of first air outlet openings and a plurality of second air outlet openings, and the plurality of first air outlet openings and the plurality of second air outlet openings are alternately arranged at intervals along an axial direction of the volute; wherein a plurality of first air deflectors are arranged at intervals along the axial direction of the volute on the second side of the first body, each first air outlet opening is formed between a corresponding first air deflector and the second body; and a plurality of second air deflectors are arranged at intervals along the axial direction of the volute in the second side of the second body, each second air outlet opening is formed between a corresponding second air deflector and the first body; the plurality of first air deflectors and the plurality of second air deflectors are alternately arranged along the axial direction of the volute.