Tdk Corporation

Takuya Murashige

Masahide Ohnishi

Shoma Asai

Hideo Asano

Masayuki Kobayashi

Masayuki Sugasawa

The coil unit includes a planar coil, a magnetic body and a capacitor module, the capacitor module has a substrate, capacitor elements mounted on the substrate, and a first connecting terminal and a second connecting terminal provided outside an element region on which capacitor elements are mounted, the first connecting terminal is provided inside a winding section as viewed in a plan view, the second connecting terminal is provided outside the winding section as viewed in a plan view, a direction in which the first connecting terminal and the second connecting terminal are connected is perpendicular to a direction in which the conductor extends in the winding section of the planar coil, the coil unit in which the element region is provided in a range overlapping the winding section of the coil as viewed in a plan view is selected.

Coil unit, wireless power transmission device, wireless power receiving device, and wireless power transmission system

A coil unit includes a coil configured by winding a conductive wire in a spiral shape, a magnetic body, and a base member disposed between the coil and the magnetic body, wherein the coil and the magnetic body are fixed to the base member.

A coil unit provided on a ground side, including a coil, at least one sensor for detecting an object existing above or around the coil unit, a housing for accommodating the coil and the at least one sensor, wherein, the housing is provided with a dividing plate and at least one pillar for maintaining the internal space of the space for sensor, the dividing plate divides the space into a space for coil and a space for sensor located vertically above the space for coil, the space for coil is for accommodating the coil and the space for sensor is for accommodating the at least one sensor, and the at least one sensor is disposed on the dividing plate without contacting with an upper inner surface portion of the housing in the space for sensor.

Growing community of inventors

Tokyo, Japan

Takuya Murashige