Abstract: A cooktop defining comprises an open loop gas burner, a closed loop gas burner, a flame rectification circuit for detecting a flame at the closed loop gas burner, a spark module comprising a plurality of spark electrodes, at least one of the plurality of spark electrodes being operably coupled to each of the open loop gas burner and the closed loop gas burner, and a controller in operative communication with the flame rectification circuit and the spark module. The controller is configured to determine that the closed loop gas burner is performing the closed loop cooking operation, determine that no flame is present at the closed loop gas burner using the flame rectification circuit, and operate the spark module to energize the plurality of spark electrodes in response to determining that no flame is present during the closed loop cooking operation.

Abstract: A cooktop includes a plurality of heating elements, a griddle removably positioned over the plurality of heating elements, the griddle defining a first heating zone and a second heating zone, a temperature sensing assembly operably coupled to the griddle for monitoring a first zone temperature of the first heating zone and a second zone temperature of the second heating zone, and a controller in operative communication with the plurality of heating elements and the temperature sensing assembly. The controller is configured to receive a request to perform a griddle cooking operation, the request comprising a first target temperature and a second target temperature, obtain the first zone temperature and the second zone temperature using the temperature sensing assembly, and operate the plurality of heating elements to drive the first zone temperature to the first target temperature and the second zone temperature to the second target temperature.

Abstract: A method of operating a cooktop includes receiving a request to perform a griddle cooking operation on a griddle, receiving a food type or a food quantity of food being cooked during the griddle cooking operation, providing user instruction on a graphical user interface based at least in part on the food type or the food quantity, the user instruction including at least one of a food positioning recommendation, a food flip interval, an optimum volume or mass of food, an elapsed cooking time, or a remaining cooking time, and operating a one or more heating elements to perform the griddle cooking operation.

Abstract: A method of operating a cooktop including a plurality of heating elements, a griddle removably positioned over the plurality of heating elements, the griddle defining a first heating zone and a second heating zone, a temperature sensing assembly operably coupled to the griddle for monitoring a first zone temperature of the first heating zone and a second zone temperature of the second heating zone, and a griddle detection system. The method includes receiving a request to perform a griddle cooking operation, determining that the griddle is present, receiving a command that the griddle cooking operation includes a common target temperature for the first heating zone and the second heating zone, obtaining the first zone temperature and the second zone temperature using the temperature sensing assembly, and operating the plurality of heating elements to drive the first zone temperature and the second zone temperature to the common target temperature.

Abstract: A gas burner for a cooktop appliance includes a base extending along a radial direction and a circumferential direction, the base defining a mixture inlet therethrough along an axial direction; an outer wall extending from the base along the axial direction, the outer wall and the base collectively forming a fuel chamber; a plurality of flame ports defined within the outer wall, the fuel chamber being in fluid communication with the plurality of flame ports; a simmer flame chamber positioned at the outer wall radially outward from the mixture inlet; a conduit formed between the simmer flame chamber and the mixture inlet, the conduit extending along the radial direction and defining a conduit inlet proximate the mixture inlet and a conduit outlet proximate the simmer flame chamber; and a fuel supply system positioned proximate the mixture inlet.

Abstract: An electric cooktop appliance and a heating coil assembly therefor are provided. The heating coil assembly includes a sensor support assembly at which a thermostat is positioned. The sensor support assembly includes a shroud cover including a top wall and a sidewall extending downward from the top wall. The top wall includes an upper surface facing upward and a non-flat lower surface facing downward toward the thermostat. A spring bracket is configured to bias the shroud cover upwardly and includes a mounting plate and a biasing arm. The spring bracket forms a central recess at which the thermostat is positioned. The lower surface of the shroud cover forms a non-flat surface. The mounting plate of the spring bracket includes a contact portion corresponding to the non-flat surface at the lower surface of the shroud cover.

Abstract: A griddle assembly and a cooktop appliance having a gas burner are provided. The griddle assembly is positioned above the gas burner and configured to receive heat therefrom. The griddle assembly includes a frame at which a griddle is positioned. The griddle assembly includes a heat shield positioned adjacent to a bottom surface of the griddle. The heat shield is positioned over the gas burner and along a vertical direction between the bottom surface of the griddle and the gas burner.

Abstract: A cooktop appliance defining a reference center and a radial direction extending from the reference center, a circumferential direction extending relative to the reference center, and a vertical direction extending orthogonal to the radial direction is provided. The cooktop appliance includes a ceramic-glass plate, a heating assembly positioned below the ceramic-glass plate, and a programmed magnet centered at the reference center. The programmed magnet is configured to generate a magnetic force along the radial direction.

Abstract: An oven appliance includes a cooking chamber positioned within a cabinet, a heating assembly defining a plurality of heating zones, and a drawer assembly slidably positioned within the cooking chamber. The drawer assembly includes a drawer frame slidably mounted to sidewalls of the cooking chamber, a horizontal rack mounted proximate a bottom of the drawer frame, and one or more vertical dividers positionable within the drawer frame to define a plurality of cooking chambers, each of the plurality of cooking chambers being aligned with one or more of the plurality of heating zones.

Abstract: A cooktop appliance and a gas burner assembly are provided. The gas burner assembly is positioned at a top panel and includes an annular burner body positioned at a top surface of the top panel. The annular burner body forms a central combustion zone, a plurality of flame ports at the central combustion zone, and an annular mixing chamber upstream from the plurality of flame ports to permit a fuel-air mixture to flow into the central combustion zone through the plurality of flame ports. An annular burner base forms a bottom wall of the mixing chamber and an annular burner head forms a top wall of the mixing chamber. A puck including a domed projection separably positioned at the top surface of the top panel and extending toward the central combustion zone.

Abstract: A gas burner assembly includes a gas burner and a grate with a plurality of fingers positioned above the gas burner. The plurality of fingers include a sensor finger. The gas burner assembly also includes a temperature sensor mounted to the sensor finger of the plurality of fingers of the grate. The temperature sensor is thermally isolated from the sensor finger.

Abstract: A cooktop appliance and a gas burner assembly are provided. The gas burner assembly includes an annular burner body forming a central combustion zone and a plurality of flame ports. An annular burner head is placeable onto the burner body to form a top wall of an annular mixing chamber upstream from the plurality of flame ports. A mixing tube extends along an axial direction and includes an inlet passage extending along the axial direction in fluid communication with the mixing chamber. The mixing tube is configured to provide a flow of gaseous fuel to the mixing chamber. The burner head includes a tab extending along the axial direction into the mixing chamber. The tab is radially co-positioned to at least one flame port and the inlet passage.

Abstract: A cooktop appliance or heating element, as provided herein, may include a thermostat within the heating zone of the heating element. The thermostat may include a base and a top cap held on the base. The heat transfer disk may be joined to the thermostat at the top cap.

Abstract: An oven appliance includes a two or more cooking chambers positioned within a cabinet and a heating assembly for independently and selectively heating those chambers. A controller is configured to obtain a cooking time for each cooking chamber, determine preheat statuses for each chamber, and generate adjusted cooking times for each chamber based at least in part on their respective preheat statuses. The heating assembly then heats each cooking chamber for its adjusted cooking time such that the heating processes in all cooking chambers end simultaneously.

Abstract: A cooktop appliance may include a top panel, a heating element, a temperature probe, a griddle plate, and a support post. The temperature probe may be attached to the top panel and be horizontally spaced apart from the heating element. The griddle plate may be selectively disposable in a griddle-cook position above the top panel along a vertical direction. The griddle plate may have a top cooking surface and a bottom heating surface. The top cooking surface may extend perpendicular to the vertical direction in the griddle-cook position to receive a cooking item thereon. The bottom heating surface may be disposed beneath the top cooking surface and face the top panel in the griddle-cook position to receive a thermal output from the heating element. The support post may extend downward from the griddle plate in conductive thermal communication with the temperature probe in the griddle-cook position.

Abstract: A cooktop appliance and a gas burner assembly are provided. The gas burner assembly includes an annular burner body positioned at a top surface of a top panel of the cooktop appliance. The burner body forms a central combustion zone, a plurality of flame ports at the central combustion zone, and a mixing chamber upstream from the plurality of flame ports. A fuel manifold forms an outlet passage spaced apart from an inlet at the burner body such that gaseous fuel is flowable from the outlet passage at the fuel manifold into the mixing chamber through the inlet at the burner body, and such that air is entrained into the mixing chamber by the flow of gaseous fuel entering the mixing chamber through the inlet at the burner body.

Abstract: A cooktop appliance includes a panel with a burner disposed on the panel. A griddle plate is configured to be removably positioned over the burner. A hermetically sealed temperature sensor is embedded in the griddle plate. The temperature sensor includes a base, a probe extending from the base, a contact pad in the base, and a hermetic seal formed in the base.

Abstract: A gas cooktop defining includes a gas burner for selectively generating a flow of heated air, a grate positioned over the gas burner, and a griddle assembly seated on the grate over the gas burner, the griddle assembly comprising a griddle defining an outer side and a probe receptacle defined in the outer side, a temperature probe configured for receipt within the probe receptacle, and one or more flow control features for directing the flow of heated air around or away from the probe receptacle.

Abstract: A cooktop appliance may include a first gas heating element, a second gas heating element, a first supply valve, a second supply valve, a first supply valve, a second supply line, a first bypass line, a second bypass line, a supplemental valve, and a controller. The first supply line may extend between a first supply valve and the first gas heating element. The second supply line may extend between the second supply valve and the second gas heating element. The first bypass line may extend between the first supply line and the first supply valve at a first bypass outlet. The second bypass line may extend between the second supply line and the second supply valve at a second bypass outlet. The supplemental valve may be provided on the first bypass line.

Abstract: A gas cooktop includes a primary gas burner, an auxiliary gas burner positioned adjacent to the primary gas burner, a fuel supply system, a griddle positioned over the primary gas burner and the auxiliary gas burner, and a temperature probe configured for receipt within the griddle proximate the auxiliary gas burner. A controller is configured to initiate operation of the fuel supply system in the auto griddle mode where a flow of fuel is supplied to operate the primary gas burner and the auxiliary gas burner at a target heat level, obtain a griddle temperature of the griddle using the temperature probe, identify a heating failure based at least in part on the griddle temperature, and implement a responsive action in response to identifying the heating failure.