Abstract: A cooking appliance includes a cabinet defining a cooking chamber, a door configured to open and close the cooking chamber, a heating element configured to provide heat to the cooking chamber, a camera directed at the cooking chamber, and a controller operably connected to the camera. The controller is configured to initiate a cooking operation including determining that the door is in a closed position, capturing a first image of the cooking chamber using the camera, determining an occupied state of the cooking chamber based on the first image, and initiating a timer sequence upon determining the occupied state of the cavity.

Abstract: A method of operating a refrigerator, as provided herein, may include initiating a first image capture sequence at a camera module and identifying a first stored item based on a first two-dimensional image of the first image capture sequence. The method may further include determining an internal location of the first stored item within a chilled chamber or generating an expanded image of the first stored item and a second stored item spaced apart from the first stored item.

Abstract: An indoor gardening appliance includes a grow module that is rotatably mounted within a grow chamber and that defines pod apertures for receiving a plurality of plant pods. A nutrient cartridge assembly includes a manifold defining a cartridge receptacle for receiving a nutrient cartridge. The manifold defines a follower pin for engaging a track system on the nutrient cartridge such that a user simply pushes the nutrient cartridge into the cartridge receptacle to install the cartridge. When the nutrient cartridge needs to be removed, the user pushes the nutrient cartridge again and the track system/follower pin cause relative rotation between the nutrient cartridge and the follower pin to a circumferential orientation from which it can slide out of the cartridge receptacle.

Abstract: An indoor gardening appliance includes a liner defining a grow chamber and a grow module rotatably mounted within the grow chamber for receiving a plurality of plant pods. A moisture management system includes an evaporator plenum in fluid communication with the grow chamber and a fan assembly that recirculates air from the respective grow chambers and/or the ambient environment through an evaporator positioned within the evaporator plenum. In this manner, chamber humidity may be regulated while water is extracted from the air which may be used by a hydration system to hydrate plants.

Abstract: A refrigerator appliance or a variable shelf assembly, as provided herein, may include a selectively-sealed shelf tube, a support piston, a shelving bracket, a first valve, and a second valve. The selectively-sealed shelf tube may define a fluid inlet to receive water therethrough and a fluid outlet to exhaust water therethrough. The support piston may be slidably disposed within the selectively-sealed shelf tube to move between a top position and a base position according to a volume of water within the selectively-sealed shelf tube. The shelving bracket may be fixed to the support piston to move therewith. The first valve may be upstream from the fluid inlet to selectively permit water thereto. The second valve may be downstream from the fluid outlet to selectively permit water from the variable shelf assembly.

Abstract: A refrigerator appliance may include a cabinet, a door, a camera module, and a controller. The camera module may be mounted to the cabinet. The controller may be operably coupled to the camera module. The controller may be configured to initiate an operation routine. The operation routine may include initiating an image capture sequence at the camera module. The image capture sequence may include a two-dimensional image captured at the camera module. The operation routine may further include determining an appendage-occupied region within the two-dimensional image and analyzing the appendage-occupied region in response to determining the appendage-occupied region. The operation routine may still further include assigning a confidence score to a user profile stored in the controller based on analyzing the appendage-occupied region, comparing the assigned confidence score to a threshold score, and recording metadata regarding the two-dimensional image based on comparing the assigned confidence score.

Abstract: A refrigerator appliance, as provided herein, may include a cabinet defining a chilled chamber, a door rotatably hinged to the cabinet, a camera module, and a controller. The camera module may be mounted to the cabinet. The controller may be operably coupled to the camera module. The controller may be configured to initiate an operation routine. The operation routine may include receiving a purchase invoice, initiating an item recognition sequence within the refrigerator appliance, generating an initial recognition attempt of a first stored item based on the item recognition sequence, comparing the initial recognition attempt of the first stored item to the purchase invoice, generating a modified recognition attempt of the first stored item based on the comparison of the initial recognition attempt the first stored item to the purchase invoice, and recording a descriptor of the first stored item to an inventory within the refrigerator appliance.

Abstract: An indoor gardening appliance includes a grow module that is rotatably mounted within a grow chamber and that defines pod apertures for receiving a plurality of plant pods. A hydration system includes a discharge nozzle positioned within the grow chamber for selectively discharging a mist of nutrients. An electrostatic charging assembly is coupled to the discharge nozzle for selectively charging the mist of nutrients. By contrast, the plant pods may be electrically coupled to a grounding assembly for selectively grounding the root end of the plant pods. In this manner, the roots of the plants may have an opposing charge relative to the mist of nutrients such that the mist of nutrients are attracted to and deposited on the roots of plants.

Abstract: A mechano-caloric stage includes an elongated outer sleeve. An elongated inner sleeve is disposed within the elongated outer sleeve. A pair of pistons is received within the elongated inner sleeve. Each of the pair of pistons is positioned at a respective end of the elongated inner sleeve. The pair of pistons are moveable relative to the elongated inner sleeve. A mechano-caloric material is disposed within the elongated inner sleeve between the pair of pistons. The mechano-caloric material is compressible between the pair of pistons.

Abstract: A refrigerator appliance, as provided herein, may include a cabinet, a door, and a camera module. The cabinet may define a chilled chamber. The door may be rotatably hinged to the cabinet to provide selective access to the chilled chamber. The camera module may be movably mounted to the cabinet (e.g., above a support shelf). The camera module may be movable on the cabinet along a predefined direction between a retracted position proximal to a first end of the cabinet and an extended position proximal to a second end of the cabinet. The camera module may be directed at the chilled chamber in the extended position to capture an image thereof.

Abstract: A method for additively manufacturing a microstructure from a caloric material includes providing a geometry of the microstructure to a processor of an additive manufacturing device, the geometry defining a plurality of microfeatures of the microstructure. The method also includes generating, via the processor, a three-dimensional (3D) model representative of the geometry of the microstructure, wherein one or more of the plurality of microfeatures are represented in the 3D model by a non-arcuate profile. Further, the method includes printing, via the additive manufacturing device, the microstructure from the caloric material according to the 3D model. As such, the non-arcuate profile reduces a file size of the 3D model as compared to an arcuate profile.

Abstract: An indoor gardening appliance includes a liner defining a grow chamber and a grow module rotatably mounted within the grow chamber for receiving a plurality of plant pods, the grow module defining a plurality of grow chambers spaced apart along the circumferential direction. One or more resilient sealing elements, e.g., formed from silicone, are positioned at the distal ends of the grow module to seal a gap between the grow module and the liner. The resilient sealing elements define one or more air ducts for providing a flow of air through the resilient sealing element into one of the plurality of chambers and a flow regulating device for regulating the flow of air.

Abstract: An indoor gardening appliance includes a liner defining a grow chamber and a grow module rotatably mounted within the grow chamber and defining a plurality of apertures for receiving a plurality of plant pods. A pollen pod is mounted to the grow module in one of the apertures and contains pollen for pollinating the plant pods to facilitate plant growth. A pollen ejection device, which may be a pressurized air nozzle or a protruding member for puncturing the pollen pod, is fixed to the liner or otherwise stationary relative to the pollen pod and is configured for engaging the pollen pod when the grow module rotates the pollen pod past the pollen ejection device to discharge and disperse pollen onto the plant pods.

Abstract: An indoor gardening appliance includes a liner defining a grow chamber and a grow module rotatably mounted within the grow chamber for receiving a plurality of plant pods. A ripening control system includes a recirculation duct and a fan assembly that recirculates air within the grow chamber. A reactive assembly, such as a titanium dioxide (TiO2) porous structure and an ultraviolet light, is positioned within the recirculation duct to regulate the concentration of one or more gases within the flow of air.

Abstract: A hydration system for an indoor gardening appliance includes sump for collecting water used to hydrate plants and a water supply containing fresh water. The sump and the water supply are fluidly coupled to a supply conduit and a pump assembly urges a flow of liquid through the supply conduit. A diverter assembly controls the amount of liquid recirculated from the sump and the flow of fresh water from the water supply. The hydration system further includes a drain valve that selectively discharges liquid from the sump to an external drain.

Abstract: An indoor gardening appliance includes a liner defining a grow chamber and a grow module rotatably mounted within the grow chamber and defining a root chamber. A hydration system is fluidly coupled to the root chamber for selectively implementing a hydration cycle where the root chamber is charged with mist and an air circulation system selectively urges a flow of air through the root chamber to maintain a desired temperature. A controller is configured for stopping the flow of air during the hydration cycle, e.g., to minimize disruption of the hydration cycle. The stopping of the flow of air may be time-based, e.g., based on the start/end times of the hydration cycle, or may be based on moisture level, e.g., as measured by an optical sensor.

Abstract: A gardening appliance and method of operation during Jewish holidays is provided herein. The indoor gardening appliance includes a liner defining a grow chamber and a grow module rotatably mounted within the grow chamber for receiving a plurality of plant pods. A controller may be configured for determining a Jewish holiday, such as the Sabbath, and may selectively control the indoor gardening appliance according to an operation routine for the Jewish holiday.

Abstract: A method for operating a caloric heat pump system includes changing a cycle frequency at which a field of a field generator is applied to caloric material in the caloric heat pump system. The method also includes adjusting a speed of a hot side fan in response to the cycle frequency change and adjusting a speed of a cold side fan in response to the cycle frequency change. A respective one of three separate control loops changes the cycle frequency, adjusts the speed of the hot side fan, and adjusts the speed of the cold side fan.

Abstract: A mechano-caloric heat pump includes a mechano-caloric stage, an elongated lever arm pivotable about a point, and a motor is operable to rotate a cam. The elongated lever arm is coupled to the mechano-caloric stage proximate a first end portion of the elongated lever arm and to the cam proximate a second end portion of the elongated lever arm such that the motor is operable to stress the mechano-caloric stage via pivoting of the elongated lever arm as the cam rotates.

Abstract: A caloric regenerator system includes a flow body that defines a plurality of cold side channels, a plurality of hot side channels and a central passage. A port body is received within the central passage of the flow body such that the flow body is rotatable relative to the port body. The port body defines a hot side port and a cold side port. A width of the hot side port is less than a width of the cold side port. An annular caloric regenerator is in flow communication with the plurality of cold side channels and the plurality of hot side channels such that a heat transfer fluid is flowable into the annular caloric regenerator through the plurality of cold side channels and out of the annular caloric regenerator through the plurality of hot side channels.