# US 10,441,108 B2 · Portable smokeless charcoal charbroiler > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,441,108 B2 - Document ID: US10441108B2 - Status: Granted - Kind: B2 - Application number: 15/033,908 - Filed: 2016-01-07 - Published: 2018-02-08 - Granted: 2019-10-15 - Earliest claimed: 2015-12-16 - Assignees: Jiangmen Tbl Industry and Enterprise Co., Ltd. - Applicants: Jiangmen Tbl Industry and Enterprise Co., Ltd - Inventors: Jianqiang Zheng - Web page: https://patentgrep.com/patent/US10441108B2 ## CPC - A47J 37/0754: {with blowers providing forced air circulation} - A47J 37/0763: {Small-size, portable barbecues} - Y02A 40/928: Cooking stoves using biomass - A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ## Abstract The invention discloses a portable smokeless charcoal charbroiler comprising a shell, an insulating inner sleeve arranged inside the shell, a barbecue grill arranged above the insulating inner sleeve and a charcoal combustion chamber in the middle of the insulating inner sleeve, wherein, an air blower is connected to the lower part of said charcoal combustion chamber, a removable combustion chamber cover is arranged above the charcoal combustion chamber, an ignition disc is arranged below the charcoal combustion chamber, and an ignition cavity is arranged between the ignition disc and the charcoal combustion chamber. Such portable smokeless charcoal charbroiler is easier to ignite and charcoal can be sufficiently burnt and can prevent cook-off when grease and soybean sauce drip on charcoal, thus the portable smokeless charcoal charbroiler is characterized by no contamination to food, easy to clean ash in the charcoal combustion chamber, and easy to use and maintain. ## Claims ### Claim 1 A portable smokeless charcoal charbroiler, comprising a shell (1), an insulating inner sleeve (2) arranged inside the shell (1), a barbecue grill (3) arranged above the insulating inner sleeve (2) and a charcoal combustion chamber (4) in the middle of the insulating inner sleeve (2), wherein, an air blower (5) is connected to the lower part of said charcoal combustion chamber (4), a removable combustion chamber cover (6) is arranged above the charcoal combustion chamber (4), an ignition disc (7) is arranged below the charcoal combustion chamber (4), and an ignition cavity (8) is arranged between the ignition disc (7) and the charcoal combustion chamber (4); wherein, said combustion chamber cover (6) is composed of two layers of fine-mesh screen, the distance between the two layers of fine-mesh screen is 3-15 mm, and the combustion chamber cover (6) completely covers the top of the charcoal combustion chamber. ### Claim 2 (depends on 1) The portable smokeless charcoal charbroiler according to claim 1, wherein, an intermediate insulating plate (9) is installed below said insulating inner sleeve (2), said air blower (5) is installed at the bottom of the intermediate insulating plate (9), the air blower (5) comprises an air holder (51), a blower fan (52) is connected to the air holder (51), and a ventilation duct (53) communicating the charcoal combustion chamber (4) and the air holder (51) is connected to the intermediate insulating plate (9). ### Claim 3 (depends on 1) The portable smokeless charcoal charbroiler according to claim 1, wherein a peripheral edge (71) projecting upward is arranged at one side of said ignition disc (7), the distance between the peripheral edge (71) and one side of the charcoal combustion chamber (4) is 1-3 mm, and said ignition cavity (8) is 15-20 mm high. ### Claim 4 (depends on 3) The portable smokeless charcoal charbroiler according to claim 3, wherein, said charcoal combustion chamber (4) is of a barrel shape, small ventilation holes (41) are arranged on the underside thereof, at least one long hole (42) is arranged at one side wall of the charcoal combustion chamber (4), and the distance between the long hole (42) and the bottom of the charcoal combustion chamber is 30-45 mm. ### Claim 5 (depends on 3) The portable smokeless charcoal charbroiler according to claim 3, wherein, three supporting legs (72) that have downward folded edges and keep the ignition disc upright in the insulating inner sleeve are arranged at the bottom of said ignition disc (7). ### Claim 6 (depends on 3) The portable smokeless charcoal charbroiler according to claim 3, wherein, said insulating inner sleeve (2) is of a bowl shape, the bottom thereof is of an inwardly projecting arc, and the top end of the insulating inner sleeve (2) projects laterally outward to form a folded edge (21). ### Claim 7 (depends on 6) The portable smokeless charcoal charbroiler according to claim 6, wherein, a baffle (31) with position corresponding to the combustion chamber cover (6) and area larger than the combustion chamber cover is arranged on said barbecue grill (3), said baffle (31) is of an arc and the middle part projects upward, and the barbecue grill (3) is provided with legs (32) used for inserting into said folded edge (21). ### Claim 8 (depends on 6) The portable smokeless charcoal charbroiler according to claim 6, wherein, connecting lugs (33) are arranged at two sides of said barbecue grill (3), and control buckles (9) correspondingly in snap-fit with the connecting lugs (33) are arranged at two sides of said shell (1). ### Claim 9 (depends on 6) The portable smokeless charcoal charbroiler according to claim 6, wherein, a mounting hole (13) is arranged on a base plate of said shell (1), a battery compartment (11) is snapped and fixed on the mounting hole (13), a removable battery compartment cover (14) is arranged on the battery compartment (11), a control switch (12) used for controlling the blower fan is mounted on a side plate of the shell (1), and the control switch (12) is located below the intermediate insulating plate (9). ### Claim 10 (depends on 2) The portable smokeless charcoal charbroiler according to claim 2, wherein a peripheral edge (71) projecting upward is arranged at one side of said ignition disc (7), the distance between the peripheral edge (71) and one side of the charcoal combustion chamber (4) is 1-3 mm, and said ignition cavity (8) is 15-20 mm high. ### Claim 11 (depends on 10) The portable smokeless charcoal charbroiler according to claim 10, wherein, said charcoal combustion chamber (4) is of a barrel shape, small ventilation holes (41) are arranged on the underside thereof, at least one long hole (42) is arranged at one side wall of the charcoal combustion chamber (4), and the distance between the long hole (42) and the bottom of the charcoal combustion chamber is 30-45 mm. ### Claim 12 (depends on 10) The portable smokeless charcoal charbroiler according to claim 10, wherein, said combustion chamber cover (6) is composed of two layers of fine-mesh screen, the distance between the two layers of fine-mesh screen is 3-15 mm, and the combustion chamber cover (6) completely covers the top of the charcoal combustion chamber. ### Claim 13 (depends on 10) The portable smokeless charcoal charbroiler according to claim 10, wherein, three supporting legs (72) that have downward folded edges and keep the ignition disc upright in the insulating inner sleeve are arranged at the bottom of said ignition disc (7). ### Claim 14 (depends on 10) The portable smokeless charcoal charbroiler according to claim 10, wherein, said insulating inner sleeve (2) is of a bowl shape, the bottom thereof is of an inwardly projecting arc, and the top end of the insulating inner sleeve (2) projects laterally outward to form a folded edge (21). ### Claim 15 (depends on 14) The portable smokeless charcoal charbroiler according to claim 14, wherein, a baffle (31) with position corresponding to the combustion chamber cover (6) and area larger than the combustion chamber cover is arranged on said barbecue grill (3), said baffle (31) is of an arc and the middle part projects upward, and the barbecue grill (3) is provided with legs (32) used for inserting into said folded edge (21). ### Claim 16 (depends on 14) The portable smokeless charcoal charbroiler according to claim 14, wherein, connecting lugs (33) are arranged at two sides of said barbecue grill (3), and control buckles (9) correspondingly in snap-fit with the connecting lugs (33) are arranged at two sides of said shell (1). ### Claim 17 (depends on 14) The portable smokeless charcoal charbroiler according to claim 14, wherein, a mounting hole (13) is arranged on a base plate of said shell (1), a battery compartment (11) is snapped and fixed on the mounting hole (13), a removable battery compartment cover (14) is arranged on the battery compartment (11), a control switch (12) used for controlling the blower fan is mounted on a side plate of the shell (1), and the control switch (12) is located below the intermediate insulating plate (9).