US 12,274,303 B2
Heating assembly
Tuanfang Liu, Shenzhen (CN)
Assigned to ASPIRE NORTH AMERICA LLC
Filed by Shenzhen Eigate Technology Co., Ltd., Shenzhen (CN)
Filed on Feb. 22, 2022, as Appl. No. 17/677,956.
Claims priority of application No. 202110942644.2 (CN), filed on Aug. 17, 2021; and application No. 202121936364.2 (CN), filed on Aug. 17, 2021.
Prior Publication US 2023/0058211 A1, Feb. 23, 2023
Int. Cl. A24F 40/465 (2020.01); A24F 40/20 (2020.01); A24F 40/48 (2020.01); A24F 40/51 (2020.01); A24F 40/57 (2020.01); H05B 6/10 (2006.01)
CPC A24F 40/465 (2020.01) [A24F 40/20 (2020.01); A24F 40/48 (2020.01); A24F 40/51 (2020.01); A24F 40/57 (2020.01); H05B 6/108 (2013.01)] 9 Claims
 
1. A heating assembly, comprising a main body and a high-frequency control assembly; wherein:
the main body comprises a heating chamber provided with a first opening;
the main body further comprises a heating element disposed in the heating chamber;
the heating element comprises an elongated sheet and a tube;
one end of the tube is a sealed end, and the other end of the tube is an open end;
the elongated sheet comprises a notch extending along a length of the heating element;
the tube is fixedly disposed in the notch, and the sealed end of the tube abuts against a base of the notch;
the tube comprises a first side wall, a second side wall, and a thermal air chamber surrounded by the first side wall and the second side wall;
the first side wall and the second side wall are convex with respect to the elongated sheet;
each of the first side wall and the second side wall comprises at least one first through hole;
the high-frequency control assembly is disposed outside the heating chamber;
when in use, a tobacco material passes through the first opening and is disposed into the heating chamber; and
when the high-frequency control assembly is energized, an electromagnetic filed is produced, and the heating element produces heat to heat the tobacco material.