A wireless power feeding unit includes a power transmitting module and a power receiving module. The power transmitting module includes: a first inverter circuit which is connected to a power source via a switch; a first transmission coil connected to the first inverter circuit; a second inverter circuit which is connected to the power source or another power source not via the switch; a second transmission coil which is connected to the second inverter circuit; and a power transmission control circuit which controls the first and second inverter circuits. The power receiving module includes a first reception coil opposed to the first transmission coil and a second reception coil opposed to the second transmission coil. During operation of the first and second inverter circuits, even while supply of power to the first inverter circuit is stopped, the power transmission control circuit maintains control of the second inverter circuit.

A wireless power feeding unit includes a power transmitting module and a power receiving module. The power transmitting module includes: a first inverter circuit which is connected to a power source via a switch; a first transmission coil connected to the first inverter circuit; a second inverter circuit which is connected to the power source or another power source not via the switch; a second transmission coil which is connected to the second inverter circuit; and a power transmission control circuit which controls the first and second inverter circuits. The power receiving module includes a first reception coil opposed to the first transmission coil and a second reception coil opposed to the second transmission coil. During operation of the first and second inverter circuits, even while supply of power to the first inverter circuit is stopped, the power transmission control circuit maintains control of the second inverter circuit.

The present disclosure shows a gantry loader having at least one carriage travelable at a horizontal guide rail, in particular for the transport of workpieces between stations of a production system, wherein the carriage has at least one drive. The present energy is characterized in that the carriage has an energy store for the at least partial energy supply of the drive.

A method of inductively coupling a first body and a second body is provided, wherein the first body rotates relative to the second body. During rotation, alignment is maintained between a first and second coil. Signals are sent and received between the coils.

A wireless power feeding unit includes a power transmitting module and a power receiving module. The power transmitting module includes: a first inverter circuit which is connected to a power source via a switch; a first transmission coil connected to the first inverter circuit; a second inverter circuit which is connected to the power source or another power source not via the switch; a second transmission coil which is connected to the second inverter circuit; and a power transmission control circuit which controls the first and second inverter circuits. The power receiving module includes a first reception coil opposed to the first transmission coil and a second reception coil opposed to the second transmission coil. During operation of the first and second inverter circuits, even while supply of power to the first inverter circuit is stopped, the power transmission control circuit maintains control of the second inverter circuit.

A device (1) for applying fluids that is suitable for mounting as a tool on a robot arm and method therefor. The device (1) comprises a static element (3), a rotatable element (2) and a coupling point (8), wherein the coupling point (8) connects the static element (3) and the rotatable element (2) in such a way that the rotatability of the rotatable element (2) is effected. The coupling point (8) has, both on the side of the static element (3) and on the side of the rotatable element (2), inductive coupling elements (11, 11) which are arranged in such a way that inductive energy and/or signal transmission is made possible across the coupling point (8).

A displaceable robot for performing operations using a tool near a high temperature furnace containing molten metal, wherein the robot is displaceable using a vehicle. The robot comprising: a frame having a ground interface for coming into contact with a ground surface while defining a clearance under a portion of the frame for engaging with the vehicle to displace the robot about the furnace when the ground interface is off the ground; an arm mounted to the frame, the arm comprising an end effector which is adapted for mounting the tool; a sensor for collecting at least one of exteroceptive data in a vicinity of the robot and proprioceptive data from the robot; and a controller receiving the collected data from the sensor and controlling a movement of at least the arm based on the collected data.

A wireless power transmission device includes an inner retainer fixed to an inner surface of a wall and supporting a power-receiving coil in proximity to a power transmission wall, and an outer retainer fixed to an outer surface of the wall and supporting a power-supplying coil in proximity to the power transmission wall, wherein the electric power is wirelessly transmitted between the power-supplying coil and the power-receiving coil.

A wireless power transmission system includes a power transmission apparatus, a power reception apparatus, a load driving apparatus, and a power control apparatus. The power control apparatus includes a direct current power supply, a main control circuit, and a communicator. Each time an operation load to be achieved by the load driving apparatus changes, the main control circuit updates a load instruction value for the load driving apparatus and a control parameter for adjusting a voltage of first alternating current power, the control parameter being used by the power transmission apparatus to convert first direct current power into the first alternating current power. The power transmission apparatus includes an inverter circuit and a power transmission control circuit that determines the voltage of the first alternating current power on the basis of the control parameter updated by the power control apparatus and that controls the inverter circuit.

A robot includes: an arm; a shaft supported at a tip of the arm so as to be movable in a direction of a predetermined axis; a power transmitting unit fixed to the arm and connected to a power supply; and a power receiving unit and a battery that are fixed to the shaft. In a state in which the shaft is positioned at a predetermined position in the direction of the axis, the power receiving unit is close to the power transmitting unit to wirelessly receive power transmitted from the power transmitting unit, and the battery stores the power received by the power receiving unit and uses the power as a power source of a device attached to the shaft.