US 11,719,250 B2
Neck fan
Xiangfu Li, Shenzhen (CN)
Assigned to SHENZHEN JISU TECHNOLOGY CO., LTD, Shenzhen (CN)
Filed by Shenzhen Jisu Technology Co., Ltd, Shenzhen (CN)
Filed on Jan. 27, 2022, as Appl. No. 17/585,594.
Application 17/585,594 is a continuation of application No. 17/471,178, filed on Sep. 10, 2021.
Application 17/471,178 is a continuation of application No. PCT/CN2020/128564, filed on Nov. 13, 2020.
Claims priority of application No. 201921815938.3 (CN), filed on Oct. 25, 2019; and application No. 202022210032.8 (CN), filed on Sep. 30, 2020.
Prior Publication US 2022/0145896 A1, May 12, 2022
Int. Cl. F04D 25/16 (2006.01); A61F 7/00 (2006.01); F04D 29/42 (2006.01); F04D 25/06 (2006.01); F04D 29/00 (2006.01)
CPC F04D 25/166 (2013.01) [F04D 29/4213 (2013.01); F04D 29/4246 (2013.01); A61F 2007/0011 (2013.01); A61F 2007/0067 (2013.01); F04D 25/0673 (2013.01); F04D 29/005 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A neck fan, comprising:
an arc-shaped shell, configured to be worn around a neck of a user,
wherein the arc-shaped shell comprises a first portion configured to be worn around a side of the neck and a second portion configured to be worn around another side of the neck;
each of the first portion and the second portion comprises a wall defining a receiving space, and the wall comprises a first side wall close to the neck and a second side wall connected to and opposite to the first side wall; and
each of the first side wall and the second side wall defines a plurality of air inlets, at least one of the first side wall and the second side wall defines a plurality of air outlets, and the plurality of air inlets and the plurality of air outlets are communicating with the receiving space;
a plurality of fan assemblies, wherein each of the receiving space of the first portion and the receiving space of the second portion receives one of the plurality of fan assemblies, wherein each of the plurality of fan assemblies is configured to guide air from the plurality of air inlets of the first side wall and the second side wall of a respective portion to the plurality of air outlets of the respective portion,
wherein one of the plurality of fan assemblies corresponds to at least one of the plurality of air inlets in the first side wall and at least one of the plurality of air inlets in the second side wall, and the at least one of the plurality of air inlets in the first side wall and at least one of the plurality of air inlets in the second side wall, which correspond to the same one of the plurality of fan assemblies, face opposite directions.