Abstract: An electric power supply system program causes a control apparatus capable of controlling an electric power supply system to realize: a pairing information generating function to generate, when receiving an electric power supply request, specific pairing information that is pairing information; a pairing information transmitting function to transmit the specific pairing information to an object that has output the electric power supply request; a pairing information receiving function to receive the pairing information from the object by communication with the object located in the electric power supply space; and an electric power supply function to supply electric power to the object located in the electric power supply space when the received pairing information coincides with the specific pairing information.

Abstract: A wireless power transfer system includes: a primary coil support member provided with a fitting member that is fit with a fit member, the primary coil support member being configured to support the power supply primary coil; a secondary coil support member provided with the fit member with which the fitting member is fit, the secondary coil support member being configured to support the power supply secondary coil; and a posture/position adjustment mechanism capable of adjusting a relative posture or position between the primary coil support member and the secondary coil support member to change the posture between a releasing posture and a fitting posture. When the relative posture is changed from the releasing posture to the fitting posture by the adjustment of the posture/position adjustment mechanism, the power supply apparatus performs wireless power transfer from the power supply primary coil to the power supply secondary coil.

Abstract: A power transmission coil device includes a first helical coil having a first conductive wire forming a helical shape around an axis, and a second helical coil having a second conductive wire forming a helical shape around the axis, in which the first helical coil is electrically connected in parallel to the second helical coil, and the first conductive wire and the second conductive wire arranged along a direction of the axis.

Abstract: A wireless power transfer system includes: a station that a vehicle is capable of entering and leaving; and a bottom part detection sensor having a detection unit capable of detecting an object that enters a detection range, provided at the station, and that outputs a bottom part detection signal corresponding to a portion, which enters the detection range, of a bottom part of the vehicle. The wireless power transfer system executes: a detection signal output step in which the bottom part detection sensor outputs a time-series bottom part detection signal when the vehicle moves in the station at a predetermined speed that is a prescribed speed; and a coil position information extraction step of extracting, from the time-series bottom part detection signal, coil position information that is information about a position of an electric power receiving coil in the vehicle.

Abstract: A coil device according to an aspect of this disclosure includes a coil portion including a conductive wire and a holding member that holds the conductive wire, and a cooling flow path through which a cooling fluid flows is provided in the holding member.

Abstract: The wireless power transfer system obtains, by means of data transfer, specific coil position information that is coil position information corresponding to information related to a position of the electric power supply secondary coil in a specific object that is an object that has made an electric power supply request, and electric power is supplied in a wireless manner from the electric power supply primary coil to the electric power supply secondary coil after the posture/position adjustment mechanism adjusts the relative posture or position between the electric power supply primary coil and the electric power supply secondary coil incorporated in the specific object based on the information related to the position of the electric power supply secondary coil in the specific object corresponding to the specific coil position information.

Abstract: A first coil device includes a first coil portion that faces a second coil portion of a second coil device in a first direction and includes a conductive wire, and at least one nonmagnetic member that includes a protrusion protruding to an outside of the first coil portion in a second direction orthogonal to the first direction. The nonmagnetic member includes an eddy current interrupter that interrupts a part of an eddy current generated in the nonmagnetic member.

Abstract: A shield apparatus is used during wireless power supply from a power-transmitting coil to a power-receiving coil of a vehicle, and includes a multilayer magnetic shield member installed around the power-transmitting coil and arranged so as to surround a space between the power-transmitting coil and the power-receiving coil during supply of electric power.

Abstract: A foreign matter detection device including a detection coil between a power transmitting coil and a power receiving coil, and a detection unit detecting an induced voltage V generated in the detection coil and detects, from this induced voltage, presence or absence of a conductive foreign matter between the power transmitting coil and the power receiving coil. The detection coil includes a continuous conductive wire where two loop portions are wound in mutually opposite directions. An area or a winding number of each loop portion or a direction connecting centroids of the two loop portions is set so that the induced voltage (i.e., a reference voltage) generated in the detection coil when no conductive foreign matters exist becomes 0 or a minimum.

Abstract: A cooling system includes a cooling unit configured to cool at least one of a power reception unit configured to wirelessly receive power from a power transmission unit and a power storage unit configured to store the power received by the power reception unit; and a controller configured to control the cooling unit. The cooling unit is operated by the power received by the power reception unit, and the controller controls the cooling unit on the basis of a necessary amount of charge of the power storage unit.

Abstract: A foreign-matter-removing device for a coil device includes a liquid-jetting unit that washes away a foreign matter, which is present in an area through which a magnetic field generated in wireless supply of power using magnetic coupling of a receiving-side pad and a transmitting-side pad passes, by a jet of liquid.

Abstract: According to an embodiment, a management system manages a power transmitter capable of wirelessly transmitting power to a power receiver of a movable object. The management system includes a detection unit configured to detect a state of the power transmitter, a storage unit configured to store a relationship between the state of the power transmitter and a power transmission level indicating possibility of power transmission of the power transmitter, an identification unit configured to identify the power transmission level corresponding to the state detected by the detection unit, and an output unit configured to output the identified power transmission level before the power transmitter starts transmitting power.

Abstract: Provided is a first coil device that faces a second coil device in a facing direction, and wirelessly transmits or receives power, the first coil device including a first coil portion, and a first auxiliary magnetic member provided adjacent to the first coil portion in a first direction orthogonal to the facing direction. The first auxiliary magnetic member is configured to be closer to the second coil device with increasing distance in the first direction from the first coil portion.

Abstract: A power reception coil device is a power reception coil device attached to a movable body, for wirelessly receiving power from a power transmission coil device, and includes a power reception coil portion including a conductive wire, and a nonmagnetic body disposed between the movable body and the power reception coil portion. The nonmagnetic body includes a first overhang protruding in a first direction outwardly from one end portion of a region onto which the power reception coil portion is projected in a second direction. The first direction is orthogonal to the second direction in which the power reception coil device opposes the power transmission coil device. The first overhang is longer than or equal to a maximum permissible misalignment permissible between the power reception coil portion and a power transmission coil portion of the power transmission coil device.

Abstract: A coil device includes a first coil portion which faces a second coil portion of another coil device and has a conductive wire, and at least one non-magnetic member disposed on an opposite side from a side facing the second coil portion. The non-magnetic member includes an eddy current interrupter for changing a state of an eddy current formed in the non-magnetic member by interrupting a portion of the eddy current.

Abstract: A coil device of solenoid type includes a coil portion having a bobbin and a conductive wire wound around the bobbin, a housing for accommodating the coil portion, and at least one fastener for fastening the bobbin and the housing. The conductive wire includes a plurality of extending portions extending along a wound wire direction on the bobbin and having gaps in a winding axis direction, and the coil portion includes an enlarged portion in which a gap between extending portions adjacent to each other in the winding axis direction is wider than a gap between other extending portions. The fastener is provided in the enlarged portion.

Abstract: A coil device of solenoid type includes a coil portion having a bobbin and a conductive wire wound around the bobbin, a housing for accommodating the coil portion, and at least one fastener for fastening the bobbin and the housing. The conductive wire includes a plurality of extending portions extending along a wound wire direction on the bobbin and having gaps in a winding axis direction. The fastener is provided between the plurality of extending portions and is obliquely disposed with respect to a plane orthogonal to the winding axis direction.

Abstract: A foreign-matter-removing device for a coil device includes a liquid-jetting unit that washes away a foreign matter, which is present in an area through which a magnetic field generated in wireless supply of power using magnetic coupling of a receiving-side pad and a transmitting-side pad passes, by a jet of liquid.

Abstract: A wireless power transfer system includes: a primary coil support member provided with a fitting member that is fit with a fit member, the primary coil support member being configured to support the power supply primary coil; a secondary coil support member provided with the fit member with which the fitting member is fit, the secondary coil support member being configured to support the power supply secondary coil; and a posture/position adjustment mechanism capable of adjusting a relative posture or position between the primary coil support member and the secondary coil support member to change the posture between a releasing posture and a fitting posture. When the relative posture is changed from the releasing posture to the fitting posture by the adjustment of the posture/position adjustment mechanism, the power supply apparatus performs wireless power transfer from the power supply primary coil to the power supply secondary coil.

Abstract: A wireless power transfer system includes: a power receiving apparatus having a power supply secondary coil, and a power supply apparatus having a power supply primary coil, and a drive circuit that drives the power supply primary coil. The power supply primary coil and the power supply secondary coil are arranged such that a first magnetic flux direction line that is a linear virtual line extending in accordance with a direction of a magnetic flux of a magnetic field generated in a central part of the power supply primary coil and a second magnetic flux direction line that is a linear virtual line extending in accordance with a direction of a magnetic flux of a magnetic field generated in a center of the power supply secondary coil substantially intersect, and electric power is capable of being supplied to the power supply secondary coil.