Ihi Corporation

Ricoh Company, Ltd.

Mitsubishi Denki Kabushiki Kaisha

Incorporated Educational Institution Tohoku Gakuin

Kenji Nishimura

Seishiro Nakajima

Jun Araki

Susumu Tokura

Tatsuya Matsui

Motonao Niizuma

Kentaro Furiya

Akio Ueda

Hideki Nagano

Toshio Nakamura

Naoki Omura

Kentarou Furiya

Eiichi Urushibata

Satoshi Yazaki

Taewon Kim

Michisato Maekawa

Kazuyoshi Takase

Fumihiro Sato

Tomohiro Sawa

Aage Ryoichi Granaas

Tomoya Yamamoto

A coil device includes a main unit in which a coil that wirelessly transmits or receives electric power is accommodated in a main housing fixed to an installation target, and a sub-unit in which an electrical function unit that provides the main unit with an electrical function performed by at least one of an electric component and an electronic component is accommodated in a sub-housing detachably configured to be attached to the main housing. The main unit includes an accommodation portion that detachably accommodates the sub-unit.

Coil device

An operation management device includes: an information acquisition unit configured to acquire information necessary for charging an on-vehicle battery of a vehicle entering a charging facility in which charging spaces coexist, power transmission devices having different amounts of transmission power being installed in the charging spaces; and an optimization unit configured to optimize a charging schedule for increasing a charge amount of the on-vehicle battery to a target charging level by charging with an available power transmission device in the charging spaces based on the acquired information so that power consumption in the charging facility is suppressed to a maximum allowable power amount or less.

Operation management device for charging facility

A solar panel cleaning system includes a detection traveling vehicle configured to travel on a solar panel and detect dirt on the solar panel, a map generation part configured to generate a dirt map including a dirt position of the dirt on the solar panel, a cleaning path generation part configured to generate a cleaning path for performing cleaning of the solar panel, and a cleaning traveling vehicle configured to travel on the solar panel on the basis of the generated cleaning path and perform cleaning of the solar panel.

Solar panel cleaning system and cleaning path generation device

A power supply facility includes a wireless communication unit capable of wirelessly communicating with a plurality of electric vehicles traveling in line, a plurality of power supply coils installed at a predetermined interval, and an inter-vehicle calculation unit configured to acquire a plurality of pieces of information including power supply coil interval information indicating a distance of the predetermined interval, information on an entire length of a vehicle body of each of the plurality of electric vehicles, and information on a position of a power reception coil installed in each of the vehicle bodies, and calculate an inter-vehicle distance for leading each of the plurality of electric vehicles to be parked in accordance with the acquired plurality of pieces of information so as to align the plurality of power supply coils with the power reception coils to face each other.

Power supply facility for electric vehicles, electric vehicle, and power supply method for electric vehicles

A power feeding device performing wireless power feeding to a flying object includes: a power feeding unit performing power feeding to the flying object disposed at a power feeding position; a power transmission coil provided in the power feeding unit and generating a magnetic field by energization; a relay coil provided in the power feeding unit, receiving the magnetic field generated from the power transmission coil and magnetically coupled to the power transmission coil, and magnetically coupled to a power receiving coil provided in the flying object in a case where the flying object is positioned at the power feeding position; and a second magnetic body provided in the power feeding unit and used for magnetic coupling between the relay coil and the power receiving coil.

Power feeding device and power feeding system

A foreign object detection device detects, during wireless power transfer from a power transmission unit of a power transmission device to a power reception unit of a power reception device, a foreign object on the power transmission unit, and comprises: a temperature sensitive body that is disposed at the power transmission unit and changes a color with temperature; and a detection unit that detects the foreign object by detecting a change in the color.

Foreign matter detection device and power transmission device

A coil device includes a conductive wire forming a coil, a coil base having a groove for accommodating the conductive wire, and a stopper being separate from the coil base and attached to the coil base to cover the conductive wire. The stopper includes a base portion attached to the coil base at a position adjacent the groove, and a distal end portion integrated with the base portion to cover the conductive wire. The base portion of the stopper is rotatable. Alternatively, the distal end portion of the stopper is deformable.

Wireless power transfer device

A coil device includes a coil unit for stowing a coil part, and a heat dissipation unit thermally connected to the coil unit. The heat dissipation unit has a heat dissipation body, a heat dissipation fin movable relative to the heat dissipation body, and a fin drive mechanism for driving the heat dissipation fin. The heat dissipation unit has a heat dissipation configuration in which the heat dissipation fin projects from the heat dissipation body in a direction intersecting a winding axis, and a stowed configuration in which the heat dissipation fin is stowed in the heat dissipation body.

Power supply unit for wireless power transfer

A coil device is installed on an installation object. The coil device includes a housing accommodating at least a coil portion and a heat radiation member coming into thermal contact with the installation object. The heat radiation member includes a main body portion interposed in at least a part of a space between the housing and the installation object and a protrusion protruding from the main body portion toward the installation object.

A ground-side coil device includes a ground-side coil disposed on a road surface where a vehicle parks or stops and transmitting or receiving, via a magnetic field, electric power to or from a vehicle-side coil mounted on the vehicle, a position detection sensor disposed around the ground-side coil and acquiring information relating to the position, relative to the ground-side coil, of the vehicle approaching the ground-side coil, a screen disposed at a position visible to a driver of the vehicle approaching the ground-side coil, and a control unit controlling a display mode on the screen.

A coil device includes a base, a cover facing the base and forming a receiving space between the base and the cover, a casing disposed inside the receiving space and containing a coil therein, a substrate disposed inside the receiving space and having a through hole passing through the substrate along a facing direction of the base and the cover, and a support portion disposed in the through hole, wherein the support portion has a strength greater than a strength of the substrate and wherein the support portion has a height greater than a thickness of the substrate.

A coil apparatus includes a base having a front surface and a rear surface, a magnetic portion provided on a side of the front surface of the base, and a coil portion which is provided on an opposite side from the base with respect to the magnetic portion and includes a conductive wire. The magnetic portion includes a first passing region, the base includes a second passing region, and the conductive wire is drawn out from the rear surface of the base through the first passing region and the second passing region.

Growing community of inventors

Tokyo, Japan

Kenji Nishimura