US 12,232,528 B2
Cartridge and atomizer having same
Yunkai Zhang, Guangdong (CN); Zhengfa Li, Guangdong (CN); Zhongli Xu, Guangdong (CN); and Yonghai Li, Guangdong (CN)
Assigned to Shenzhen First Union Technology Co., Ltd., Shenzhen (CN)
Filed by Shenzhen First Union Technology Co., Ltd., Guangdong (CN)
Filed on Nov. 8, 2022, as Appl. No. 18/053,381.
Application 18/053,381 is a continuation of application No. 16/664,623, filed on Oct. 25, 2019, granted, now 11,528,940.
Claims priority of application No. 201821763876.1 (CN), filed on Oct. 26, 2018.
Prior Publication US 2023/0062406 A1, Mar. 2, 2023
Int. Cl. A24F 40/44 (2020.01); A24F 40/10 (2020.01); A24F 40/46 (2020.01); A61M 11/04 (2006.01)
CPC A24F 40/44 (2020.01) [A24F 40/46 (2020.01); A61M 11/042 (2014.02); A24F 40/10 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A cartridge, comprising:
a micro-porous body with an absorption surface and an atomization surface;
a heating element embedded in the micro-porous body; the heating element disposed between the absorption surface and the atomization surface;
wherein the heating element comprises a first surface and a second surface;
the heating element is bored with multiple spaced through holes; the through holes are extending from the first surface to the second surface;
wherein the heating element comprises a tube-shaped or a flake-shaped structure with an even thickness; and
wherein an axial direction of the through holes is parallel with a direction of liquid conduction between the absorption surface and the atomization surface.