# US 12,765,599 B2 · Aerosol-generating device and heating assembly thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,765,599 B2 - Document ID: US12765599B2 - Status: Granted - Kind: B2 - Application number: 18/360,759 - Filed: 2023-07-27 - Published: 2024-02-08 - Granted: 2026-10-20 - Earliest claimed: 2022-08-08 - Assignees: Hainan Moore Brothers Technology Co., Ltd. - Applicants: Hainan Moore Brothers Technology Co., Ltd. - Inventors: Xiangan Lu; Hao Wen; Zhenlong Jiang - Web page: https://patentgrep.com/patent/US12765599B2 ## CPC - A24F 40/46: Shape or structure of electric heating means - A24F 40/20: Devices using solid inhalable precursors - A24F 40/70: Manufacture - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract A heating assembly, applicable to an aerosol-generating device, includes: a heating rod; a covering film covering part of the heating rod; and a fixing base fitted on the heating rod, a fitting hole being formed on the fixing base. The heating rod includes a functional part with the covering film and a fitting part without the covering film. The fitting part is accommodated in the fitting hole. ## Claims ### Claim 1 A heating assembly, applicable to an aerosol-generating device, comprising: a heating rod; a covering film covering part of the heating rod; and a fixing base fitted on the heating rod, a fitting hole being formed on the fixing base, wherein the heating rod comprises a functional part with the covering film and a fitting part without the covering film, wherein the fitting part is accommodated in the fitting hole, wherein a mounting hole communicating with the fitting hole is formed on the fixing base, and wherein the functional part is partially accommodated in the mounting hole. ### Claim 2 (depends on 1) The heating assembly of claim 1, wherein the heating rod is cylindrical, and the functional part and the fitting part are arranged in an axial direction of the heating rod. ### Claim 3 (depends on 1) The heating assembly of claim 1, wherein the functional part is located completely outside the fixing base, wherein an end surface of an end of the functional part connected to the fitting part abuts against an end surface of the fixing base, or a gap exists between an end surface of the end of the functional part connected to the fitting part and the fixing base. ### Claim 4 (depends on 1) The heating assembly of claim 1, wherein a cross-sectional dimension of the mounting hole is larger than a cross-sectional dimension of the fitting hole so as to form a step surface between the mounting hole and the fitting hole, and wherein an end surface of an end of the functional part connected to the fitting part abuts against the step surface. ### Claim 5 (depends on 1) The heating assembly of claim 1, wherein the heating rod comprises a tip portion, and wherein the tip portion and the fitting part are respectively located at two ends of the functional part. ### Claim 6 (depends on 1) The heating assembly of claim 1, wherein the covering film comprises a base film and a heating film provided on the base film. ### Claim 7 (depends on 6) The heating assembly of claim 6, wherein the heating film is provided on an inner side of the base film. ### Claim 8 (depends on 7) The heating assembly of claim 7, wherein the covering film comprises two conductive films that are provided on the base film and connected to the heating film, and wherein the heating assembly comprises two electrode leads respectively connected to the two conductive films. ### Claim 9 (depends on 8) The heating assembly of claim 8, wherein two conducting holes are formed in the base film, and wherein the conductive films each comprise an external connection part that is provided on an outer side of the base film and connected to the electrode lead, and a conducting part that is provided in the conducting hole and connected to the heating film. ### Claim 10 (depends on 7) The heating assembly of claim 7, wherein the heating rod comprises an insulating material, and wherein the heating film is attached to the heating rod. ### Claim 11 (depends on 7) The heating assembly of claim 7, wherein the heating rod comprises a conductive material, and wherein the covering film comprises an insulating film provided between the heating film and the heating rod. ### Claim 12 (depends on 6) The heating assembly of claim 6, wherein a gap is formed between the heating film and the fixing base. ### Claim 13 (depends on 6) The heating assembly of claim 6, wherein the covering film is formed by sintering a flexible film tape wound on the heating rod. ### Claim 14 (depends on 13) The heating assembly of claim 13, wherein the flexible film tape is manufactured by a tape casting process. ### Claim 15 (depends on 1) An aerosol-generating device, comprising: the heating assembly of claim 1. ### Claim 16 A heating assembly, applicable to an aerosol-generating device, comprising: a heating rod; a covering film covering part of the heating rod; and a fixing base fitted on the heating rod, a fitting hole being formed on the fixing base, wherein the heating rod comprises a functional part with the covering film and a fitting part without the covering film, wherein the fitting part is accommodated in the fitting hole, wherein the covering film comprises a base film and a heating film provided on the base film, and wherein a gap is formed between the heating film and the fixing base. ### Claim 17 (depends on 16) The heating assembly of claim 16, wherein the heating rod is cylindrical, and the functional part and the fitting part are arranged in an axial direction of the heating rod. ### Claim 18 (depends on 16) The heating assembly of claim 16, wherein the functional part is located completely outside the fixing base, wherein an end surface of an end of the functional part connected to the fitting part abuts against an end surface of the fixing base, or a gap exists between an end surface of the end of the functional part connected to the fitting part and the fixing base. ### Claim 19 (depends on 16) The heating assembly of claim 16, wherein the heating rod comprises a tip portion, and wherein the tip portion and the fitting part are respectively located at two ends of the functional part. ### Claim 20 (depends on 16) The heating assembly of claim 16, wherein the heating film is provided on an inner side of the base film.