US 12,439,970 B2
Aerosol generating device and electromagnetic heating assembly thereof
Hongming Zhou, Shenzhen (CN); Taowen Liu, Shenzhen (CN); Junjie Xiao, Shenzhen (CN); Hua Chen, Shenzhen (CN); and Wenli Du, Shenzhen (CN)
Assigned to SHENZHEN SMOORE TECHNOLOGY LIMITED, Shenzhen (CN)
Filed by SHENZHEN SMOORE TECHNOLOGY LIMITED, Guangdong (CN)
Filed on Sep. 23, 2022, as Appl. No. 17/934,936.
Application 17/934,936 is a continuation of application No. PCT/CN2021/077111, filed on Feb. 20, 2021.
Claims priority of application No. 202020412900.8 (CN), filed on Mar. 26, 2020.
Prior Publication US 2023/0015720 A1, Jan. 19, 2023
Int. Cl. A24F 40/465 (2020.01); A24F 40/20 (2020.01); A24F 40/485 (2020.01); H05B 6/10 (2006.01); H05B 6/36 (2006.01)
CPC A24F 40/465 (2020.01) [A24F 40/20 (2020.01); A24F 40/485 (2020.01); H05B 6/105 (2013.01); H05B 6/36 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electromagnetic heating assembly, comprising:
a fixing tube with two run-through ends configured to fix an aerosol-forming substrate;
a heating body at least partially extending from a first end of the fixing tube into the fixing tube and inserted into the aerosol-forming substrate in the fixing tube;
an induction coil sleeved on a periphery of the fixing tube and configured to generate electromagnetic induction under an energized state so as to cause the heating body to heat; and
a coil fixing cylinder sleeved outside the fixing tube to fix the induction coil,
wherein a ratio of a total height of the induction coil to a depth by which the heating body is inserted into the aerosol-forming substrate in the fixing tube ranges from 1:1 to 3:1, and
wherein the induction coil is wound on the coil fixing cylinder.