US Patent 10502430 Particulates detection in a cooking instrument

Several embodiments include a cooking instrument. The cooking instrument can include a heating system. The heating system can include one or more heating elements capable of emitting wireless energy into the cooking chamber. The sensor can be positioned, configured, or shaped such that air within the cooking chamber flows over the sensor. The sensor can be adapted to detect particles given off by food under heat. The cooking instrument can also include a sensor and a control system. The control system can be configured to execute a heating process and determine a stage of the heating process based on sensor data from the sensor.