Merlin Technology, Inc.

Breville Usa, Inc.

Amazon Technologies, Inc.

Marc Ian Feifel

John E Mercer

Mark H Marvin

Nicolas Albion

Mark Bartel

Nicholas Albion

Christopher Charles Young

Frederic Pierre Lacaux

Xiaoqi Wang

Kevin Finke

Cameron Jue

Tom Udd

Douglas Eugene Baldwin

Michael Szmuk

Marco Antonio De Barros Ceze

Lizon Maharjan

Andrew Lueneburg

Dean Joseph Brestel

Evan Matthew Francis

A thermal immersion circulator can comprise a heater including a hollow cylindrical main body having an inlet opening at a first end thereof and an outlet opening in a side wall thereof. The heater can include a flexible circuit board having a plurality of resistive bands controlled by controlling electronics such as TRIACs, which can be water-cooled. A thermal immersion circulator including such a heater can be used in scientific laboratories or sous vide food cooking.

Thermal immersion circulator

Described are systems and methods for monitoring, detecting, and/or protecting various systems of an aerial vehicle, such as an unmanned aerial vehicle (UAV). Embodiments of the present disclosure can provide a multi-tiered system to provide monitoring, detection, and/or initiation of protection protocols in response to detected faults in connection with the electronics associated with UAV systems, such as the motor drive and/or control systems that may drive the propulsion systems of the UAV.

Tiered electronic protection systems for aerial vehicles

Systems, methods, and articles to provide customized control of a cooking appliance, such as a sous vide cooker. A user provides a selection of one or more ending characteristics for a food product. A processor-based device determines one or more output food preparation parameters based on the user's selection of the one or more ending characteristics. Measurements of temperature, power delivery, or other characteristics may be obtained during cooking process. A cooking program controlling the cooking process may be revised or updated based at least in part on the obtained measurements or analysis of the measurements. Estimations or projections about the cooking process may be presented to a user via a user interface of the cooking appliance or a user interface of a computing device (e.g., smartphone) associated with the user.

Food preparation guidance system

Systems and methods for sensorless motor control may include a back EMF (electromotive force) observer, an adaptive EMF filter, magnitude compensation, hybrid rotor position and speed determination, rotor position and speed blending, and angle compensation. In order to provide accurate and reliable rotor position and speed estimations for a motor over a wide and varied range of speeds, at low speeds, during speed reversals, and/or in the presence of external forces, loads, or torques, the sensorless motor control may utilize a hybrid rotor position and speed determination that leverages both angle-based and magnitude-based methods. Further, the outputs of the two methods may be blended based on a shaping function to generate a final estimated rotor position and speed. Then, the motor may be more accurately and reliably controlled based on the final estimated rotor position and speed.

Sensorless motor control at low speeds and speed reversals for aerial vehicles

A helicopter autopilot system includes an inner loop for attitude hold for the flight of the helicopter including a given level of redundancy applied to the inner loop. An outer loop is configured for providing a navigation function with respect to the flight of the helicopter including a different level of redundancy than the inner loop. An actuator provides a braking force on a linkage that serves to stabilize the flight of the helicopter during a power failure. The actuator is electromechanical and receives electrical drive signals to provide automatic flight control of the helicopter without requiring a hydraulic assistance system in the helicopter. The autopilot can operate the helicopter in a failed mode of the hydraulic assistance system. A number of flight modes are described with associated sensor inputs including rate based and true attitude modes.

Rotorcraft autopilot and methods

An autopilot system includes an actuator arrangement that receives control signals to influence the flight of the helicopter in a selected one of a plurality of different flight modes. A control stick input arrangement allows flight mode selection and control with no more than a particular one of the pilot's hands in the engaged position on the stick and without moving the hand away from the engaged position. A slaved gyro output signal is based on no more than the set of sensor outputs used by the autopilot such that an autopilot display presents autopilot flight mode information while displaying a slaved gyro output. The autopilot provides for pilot selection of one of a subset of the plurality of flight modes which is customized based on a current flight status of the helicopter. An automatic autorotation mode is provided.

Rotorcraft advanced autopilot control arrangement and methods

An autopilot actuator includes first and second motors each including a rotatable motor output shaft such that either one or both of the motors can drive an actuator output shaft. An autopilot main unit enclosure is removably mounted to the helicopter proximate to a cyclic control and commonly houses autopilot actuators as well as main autopilot electronics. A cyclic vibration isolator is removably supported by an actuator shaft for co-rotation and coupled to the cyclic control to attenuate a cyclic vibration frequency at the actuator shaft while output rotations of the actuator shaft below a resonant frequency are coupled to the cyclic control. A force limited link includes first and second ends and a variable length between. The force limited link having a relaxed length when less than an unseating force is applied and the variable length changes when an applied force exceeds the unseating force to permit pilot override.

Rotorcraft autopilot system, components and methods

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Seattle, WA, United States of America

Marc Ian Feifel