Abstract: A wireless power supplying apparatus includes: a power-transmitting coil that wirelessly supplies electric power to a power-receiving coil provided in a vehicle; a tire detection unit that detects tires of the vehicle; a moving mechanism that moves the position of the power-transmitting coil; and a control device that controls the moving mechanism on the basis of the detection result of the tire detection unit such that the power-receiving coil and the power-transmitting coil face each other.

Abstract: The present invention is vehicle electric power supply system (A) that supplies electric power wirelessly to a vehicle (M) that is positioned within an electric power supply area (X). The vehicle electric power supply system (A) has: a power-receiving device (m1) that is provided in the vehicle; a plurality of power-transmitting devices (1a1, 1a2, 1a3, 1b1, 1b2, 1b3, 1c1, 1c2, 1c3) that are provided at mutually different positions within the electric power supply area; a position detecting device (4) that detects the position of the power-receiving device within the electric power supply area; and a control device (4) that, based on detection results from the position detecting device, selects from among the plurality of power-transmitting devices the power-transmitting device that is located in a position that corresponds to the power-receiving device, and then causes power to be supplied wirelessly from the selected power-transmitting device.

Abstract: A vehicle power-supplying device includes a power-supplying primary coil provided in a parking space where a vehicle is parked, and configured to supply electric power wirelessly to a power-supplying secondary coil provided in the vehicle and configured to wirelessly receive the electric power from the power-supplying primary coil; and a vehicle stopping member configured to stop the vehicle at a desired position of the parking space at which wireless power supply efficiency from the power-supplying primary coil to the power-supplying secondary coil is high.

Abstract: An automated parking facility conveying a vehicle to a storage space and storing it therein, includes: a power-transmitting coil provided in the storage space to perform wireless power transmission to a power-receiving coil of the vehicle; a vehicle support portion allowing the vehicle to be mounted thereon; a movable portion configured to move together with the vehicle support portion to a position facing the power-transmitting coil; an adjustment device configured to adjust the position of the vehicle support portion in the horizontal direction with respect to the movable portion; and a controller configured to control the adjustment device, and perform support portion positional adjustment in which the position of the vehicle support portion is adjusted with respect to the movable portion so that the power-receiving coil and the power-transmitting coil have a positional relationship suitable for the wireless power transmission.

Abstract: A foreign matter removal mechanism for removing foreign matter on a power-supplying coil that wirelessly supplies power to a parked vehicle from below, including: a movable unit that is pushed by the vehicle to move horizontally; and a movable cleaning unit that is coupled to the movable unit and moves, in conjunction with a movement of the movable unit, along an upper surface of the power-supplying coil.

Abstract: The present invention is vehicle electric power supply system (A) that supplies electric power wirelessly to a vehicle (M) that is positioned within an electric power supply area (X). The vehicle electric power supply system (A) has: a power-receiving device (m1) that is provided in the vehicle; a plurality of power-transmitting devices (1a1, 1a2, 1a3, 1b1, 1b2, 1b3, 1c1, 1c2, 1c3) that are provided at mutually different positions within the electric power supply area; a position detecting device (4) that detects the position of the power-receiving device within the electric power supply area; and a control device (4) that, based on detection results from the position detecting device, selects from among the plurality of power-transmitting devices the power-transmitting device that is located in a position that corresponds to the power-receiving device, and then causes power to be supplied wirelessly from the selected power-transmitting device.

Abstract: A parking facility horizontally moving a pallet on which a vehicle is mounted, to store the vehicle in a storage space, includes: the pallet having magnetic field transmissibility in a portion corresponding with a power-receiving coil provided on a bottom surface of the vehicle; a power-supplying coil that is provided in the storage space so as to be opposed to the portion and that supplies power wirelessly to the power-receiving coil; and a foreign matter removal section that is provided on a lower surface of the pallet and that, with a movement of the pallet, engages, by contacting an upper surface of the power-supplying coil or by being spaced a given distance from the upper surface of the power-supplying coil, foreign matter, to remove the foreign matter present on the upper surface of the power-supplying coil.

Abstract: 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.

Abstract: A wireless power-supplying system of the present invention includes a ground-based power-supplying device having a power-supplying coil and a vehicle having a power-receiving coil, and performs power supply from the power-supplying coil to the power-receiving coil in a wireless power supply manner. Further, this wireless power-supplying system includes a foreign matter intrusion prevention unit formed of a flexible material transparent to a magnetic field and having flexibility, and provided on the power-supplying coil to fill a space between the power-supplying coil and the power-receiving coil.

Abstract: A power-saving driving device is provided for a device 23 having the same load pattern and driven by a motor 21 receiving electric power from an inverter 19. The power-saving driving device includes a DC-DC converter 93 driven by a battery 91 and the inverter driven by an output of the DC-DC converter. The power-saving driving device further includes an electric power amount W calculator 81 that calculates an electric power amount received from the battery in the same load pattern, and a parameter selection/instruction unit 83 that causes a parameter (carrier wave frequency instruction value F and output voltage instruction value G) of the inverter to change to be a plurality of values, compares the received electric power amounts respectively corresponding to the values of the parameter, selects the parameter value minimizing the received electric power amount, and instructs the selected parameter value to the inverter.

Abstract: An underwater power supply system is provided with an ascending/descending station that ascends and descends underwater between the water depth at which an underwater moving body works and the vicinity of the water surface, and a charging station that supplies electrical power wirelessly to the ascending/descending station in the vicinity of the water surface. At the aforementioned water depth, the underwater moving body moves adjacent to the ascending/descending station, and electrical power is supplied wirelessly from the ascending/descending station to the underwater moving body.

Abstract: The wireless power transmission device is a wireless power transmission device which wirelessly transmits electric power between a power-transmitting coil and a power-receiving coil, and which includes: a metal member; a power supply unit which supplies the electric power to the power-transmitting coil; a measurement unit which measures a relative position of the power-receiving coil with respect to the power-transmitting coil; and a control unit which controls the power supply unit. The control unit adjusts the electric power based on the relative position measured by the measurement unit, so that an amount of induced current flowing through the metal member is decreased.

Abstract: A power supply system for a house is constructed such that electrical power that will need to be supplied from an electric vehicle to a house in a delay time taking a power transmission delay into account is predicted, a prediction data of the predicted electrical power is communicated to a power supply control device via a house communication device and a vehicle communication device, and electrical power that corresponds to the prediction data is supplied to a power-supplying coil by the power supply control device.

Abstract: A power-receiving structure is provided in a ship and includes a power-receiving coil capable of wirelessly receiving electric power from a power-supplying coil on a land-side and an outer wall surface-forming section forming an outer surface of side of the ship, and the power-receiving coil is provided on an inside of the ship from the outer wall surface-forming section, and an electromagnetic field-transmissive section formed of a material through which an electromagnetic field propagates is provided in an opposing portion to the power-receiving coil in the outer wall surface-forming section. According to the present invention, the power-receiving coil is not protruded from the outer surface of side of the ship and can wirelessly receive electric power from the power-supplying coil on the land-side through the electromagnetic field-transmissive section.

Abstract: A power-saving driving device is provided for a same load pattern device 23 that is driven by a motor 21 receiving electric power from an inverter 19 and repeatedly operated in a same load pattern. The power-saving driving device includes: an electric power amount calculator 81 that calculates an electric power amount W received by the inverter in the same load pattern; and a parameter selection and command device 83 that makes a parameter of the inverter change to a plurality of values, compares the received electric power amounts corresponding to the values of the parameter, selects the parameter value minimizing the received electric power amount and issues the selected value as a command to the inverter.

Abstract: The power supply system includes: movable power-receiving units, each power-receiving unit including at least one power-receiving device used to receive electric power from outside of the power-receiving unit and at least one power-supplying device used to supply, to the outside of the power-receiving unit, at least part of electric power received by the power-receiving device; and a power-supplying unit used to supply electric power to the power-receiving device of one power-receiving unit of the power-receiving units.

Abstract: A wireless power transfer device includes a power-supplying circuit that supplies power to be transferred between a power-transmitting coil and a power receiving coil with at least one of the relative position and orientation between the coils being changeable, a displacement measuring section that measures the amount of any changes in the relative position and orientation between the coils, a control section that based on the result of measurements taken by the displacement measuring section, determines a frequency at which the efficiency of power transfer between the coils is maximized, and controls the power-supplying circuit so that power having the frequency is transferred between the coils. The present invention provides a wireless power transfer device and method which can efficiently transfer power in a wireless manner if the relative position between the coils changes.

Abstract: The vehicle includes a motor capable of producing motive power for movement; a storage battery capable of supplying electric power to drive the motor; and a secondary coil capable of performing wireless transmission of electric power between the secondary coil and a primary coil at an outside of the vehicle. In addition, the vehicle includes a command generation part capable of generating a command to move the vehicle so as to adjust a relative position of the secondary coil with respect to the primary coil, using a first received power value indicating an amount of electric power received by the secondary coil from the primary coil or using a second received power value indicating an amount of electric power received by the primary coil from the secondary coil.

Abstract: A transfer device transfers an electric vehicle, that has been loaded onto a pallet, in a left-right direction or in an up-down direction relative to the direction of forward travel of the electric vehicle. The pallet is provided with: a power-receiving coil that, together with a power-supplying coil of the electric vehicle, forms an electromagnetic coupling circuit; a power-receiving circuit that receives power that is supplied wirelessly from the outside via the electromagnetic coupling circuit; and an electric motor that is driven by power received by the power-receiving circuit, and that causes the pallet to move in the left-right direction or in the up-down direction.

Abstract: An electric vehicle that is serving as a mobile power supply device is provided with: a power-supplying coil that is covered by a weatherproof cover and that, together with an external power-receiving coil, forms an electromagnetic coupling circuit; and a power supplying circuit that supplies power stored in a storage cell wirelessly to the outside via the electromagnetic coupling circuit that is formed by the power-supplying coil and the external power-receiving coil.