# US 10,865,993 B2 · Cooking vessel support system having a passive wireless reader/transponder for an integral cooking vessel temperature monitoring system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,865,993 B2 - Document ID: US10865993B2 - Status: Granted - Kind: B2 - Application number: 16/214,183 - Filed: 2018-12-10 - Published: 2020-06-11 - Granted: 2020-12-15 - Earliest claimed: 2018-12-10 - Assignees: BSH Home Appliances Corporation; BSH Hausgeräte GmbH - Applicants: BSH Home Appliances Corporation; BSH Hausgeräte GmbH - Inventors: Garrett Bentley - Web page: https://patentgrep.com/patent/US10865993B2 ## CPC - F24C 3/126: {on ranges} - F24C 15/107: {Pan supports or grates therefor} - F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION ## Abstract A cooking appliance including a cooking vessel temperature monitoring and fire prevention system, including a gas burner, a cooking vessel support configured to support a cooking vessel above the gas burner, a temperature sensor integrated with the cooking vessel support, the temperature sensor configured to be in thermal contact with the cooking vessel supported on the cooking vessel support and to detect the temperature of the cooking vessel, a control unit configured to control an operation of the cooking appliance based on the temperature of the cooking vessel detected by the temperature sensor, and a passive wireless connection between the temperature sensor and the control unit, the passive wireless connection including a transponder circuit integrated with the cooking vessel support and in communication with the temperature sensor, and a reader circuit spaced a distance away from the transponder circuit, the reader circuit in communication with the control unit. ## Claims ### Claim 1 A cooking appliance having a cooking vessel temperature monitoring and fire prevention system, the cooking appliance comprising: a gas burner; a cooking vessel support configured to support a cooking vessel above the gas burner; a temperature sensor integrated with the cooking vessel support, the temperature sensor configured to be in thermal contact with the cooking vessel supported on the cooking vessel support and to detect the temperature of the cooking vessel; a control unit configured to control an operation of the cooking appliance based on the temperature of the cooking vessel detected by the temperature sensor; a passive wireless connection between the temperature sensor and the control unit, the passive wireless connection including: a transponder circuit integrated with the cooking vessel support and in communication with the temperature sensor; and a reader circuit spaced a distance away from the transponder circuit, the reader circuit in communication with the control unit; and a thermal insulation integrated with the cooking vessel support and separating the temperature sensor from the cooking vessel support, wherein an upper surface of the temperature sensor is configured to directly contact a surface of the cooking vessel supported by the cooking vessel support. ### Claim 2 (depends on 1) The cooking appliance of claim 1, wherein the transponder circuit includes a first inductor coil and the reader circuit includes a second inductor coil, wherein the second inductor coil is configured to generate a magnetic field across a space between the first inductor coil and the second inductor coil to power the temperature sensor on the cooking vessel support and transmit the temperature of the cooking vessel detected by the temperature sensor to the control unit. ### Claim 3 (depends on 1) The cooking appliance of claim 1, further comprising a cooktop floor, wherein the reader circuit is disposed under the cooktop floor. ### Claim 4 (depends on 3) The cooking appliance of claim 3, the reader circuit is coupled to an underside of the cooktop floor such that the reader circuit is in close proximity to the transponder circuit. ### Claim 5 (depends on 3) The cooking appliance of claim 3, wherein the transponder circuit is disposed in a surface of the cooking vessel support adjacent to the cooktop floor. ### Claim 6 (depends on 1) The cooking appliance of claim 1, wherein the transponder circuit is disposed in a recess in a surface of the cooking vessel support. ### Claim 7 (depends on 1) The cooking appliance of claim 1, wherein the transponder circuit is integrally formed with the cooking vessel support. ### Claim 8 (depends on 1) The cooking appliance of claim 1, further comprising: a wire extending through at least a portion of the cooking vessel support, the wire having a first end coupled to the temperature sensor and a second end coupled to the transponder circuit. ### Claim 9 (depends on 8) The cooking appliance of claim 8, wherein the cooking vessel support includes a cavity and the wire is disposed in the cavity. ### Claim 10 (depends on 8) The cooking appliance of claim 8, wherein the wire is embedded in the cooking vessel support. ### Claim 11 (depends on 1) The cooking appliance of claim 1, further comprising: a gas supply line supplying gas to the gas burner; and a gas valve on the gas supply line, wherein the control unit is in communication with the temperature sensor and the gas valve, and the control unit is configured to control the gas valve and cut off a supply of the gas through the gas supply line to the gas burner when the temperature of the cooking vessel detected by the temperature sensor and transmitted to the control unit via the passive wireless connection is equal to or greater than a predetermined threshold temperature of the cooking vessel. ### Claim 12 (depends on 11) The cooking appliance of claim 11, further comprising: an alarm unit in communication with the control unit, wherein the control unit activates the alarm unit to provide an alert to a user when the temperature of the cooking vessel detected by the temperature sensor is equal to or greater than the predetermined threshold temperature of the cooking vessel. ### Claim 13 (depends on 11) The cooking appliance of claim 11, further comprising: a reset switch configured to re-open the gas valve upon being actuated by a user. ### Claim 14 (depends on 11) The cooking appliance of claim 11, wherein the gas supply line supplies the gas to a plurality of gas burners including the gas burner. ### Claim 15 (depends on 11) The cooking appliance of claim 11, wherein the gas supply line supplies the gas only to the gas burner. ### Claim 16 (depends on 1) The cooking appliance of claim 1, further comprising: a gas supply line supplying gas to the gas burner; and a gas valve on the gas supply line, wherein the control unit in communication with the temperature sensor and the gas valve, and wherein the control unit is configured to control the gas valve to adjust a supply of the gas through the gas supply line to the gas burner based on the temperature of the cooking vessel detected by the temperature sensor and transmitted to the control unit via the passive wireless connection. ### Claim 17 (depends on 1) The cooking appliance of claim 1, wherein the temperature sensor and the thermal insulation are one of: disposed in a recess in a surface of the cooking vessel support; and integrally formed with the cooking vessel support. ### Claim 18 (depends on 1) The cooking appliance of claim 1, further comprising: a thermally conductive substrate integrated with the cooking vessel support, the thermally conductive substrate arranged in thermal contact with the temperature sensor, wherein an upper surface of the thermally conductive substrate is configured to directly contact a surface of the cooking vessel supported by the cooking vessel support. ### Claim 19 (depends on 18) The cooking appliance of claim 18, further comprising: the thermal insulation separating the thermally conductive substrate from the cooking vessel support, wherein the thermally conductive substrate, the temperature sensor, and the thermal insulation are one of: disposed in a recess in a surface of the cooking vessel support; and integrally formed with the cooking vessel support. ### Claim 20 (depends on 18) The cooking appliance of claim 18, wherein at least a portion of the cooking vessel support is formed of a thermally insulating material, and wherein the thermally conductive substrate and the temperature sensor are integrated with the portion of the cooking vessel support.