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1.发明申请公开(公告)号：US20210234401A1
公开(公告)日：2021-07-29
申请号：US17152243
申请日：2021-01-19
Applicant: TDK CORPORATION
Inventor： Masayuki KOBAYASHI , Masayuki SUGASAWA
Abstract: A power transmission coil unit capable of inhibiting a foreign body made of metal remaining placed on a surface of a casing is provided. The power transmission coil unit includes: a power transmission coil; and a first casing housing the power transmission coil, wherein a first surface of the first casing is a surface positioned on a predetermined first direction side among surfaces of the first casing and is inclined with respect to a first base face of the first casing, and wherein the first base face is a face that is parallel to a face having a largest area among faces facing the power transmission coil side of a base part of the first casing, and is a face that is parallel to the first direction.
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2.发明申请公开(公告)号：US20170288469A1
公开(公告)日：2017-10-05
申请号：US15472739
申请日：2017-03-29
Applicant: TDK CORPORATION
Inventor： Takuya MURASHIGE , Masahide OHNISHI , Masayuki SUGASAWA , Masayuki KOBAYASHI
CPC classification number: H02J50/60 , B60L53/12 , H01F27/02 , H01F27/2823 , H01F27/365 , H01F38/14 , H02J7/025 , H02J50/10 , H02J50/70
Abstract: 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.
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3.发明申请公开(公告)号：US20170288465A1
公开(公告)日：2017-10-05
申请号：US15472696
申请日：2017-03-29
Applicant: TDK CORPORATION
Inventor： Masayuki SUGASAWA , Masayuki KOBAYASHI , Noriyuki FUKUSHIMA
CPC classification number: H02J50/12 , B60L53/12 , H01F27/02 , H01F27/2823 , H01F27/365 , H01F38/14 , H02J7/0042 , H02J7/025
Abstract: A power feeding coil unit for wireless power transmission including a base portion with bottom having an opening on an upper end, a magnetic body having a plurality of magnetic plates disposed on a bottom surface of the base portion, a power feeding coil formed by winding a conductive wire on the magnetic body, a cover portion covering the opening of the base portion, and a rib extending from the base portion toward the cover portion between the plurality of magnetic plates and between the wires of the conductive wires, wherein, a distance between the rib and the cover portion is smaller than a distance between the power feeding coil and the cover portion.
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公开(公告)号：US20170288464A1
公开(公告)日：2017-10-05
申请号：US15471345
申请日：2017-03-28
Applicant: TDK CORPORATION
Inventor： Kazuyoshi HANABUSA , Masayuki KOBAYASHI , Takeshi KAMONO
CPC classification number: H02J50/12 , H01F27/2885 , H01F27/346 , H01F38/14 , H02J50/70 , H02J50/90
Abstract: A power transmission device, which is used for a contactless power transmission to a movable body moving on a travelling surface in a power transmission direction parallel to the travelling surface, including a power transmission coil and a shielding plate, wherein, the power transmission coil is installed so that a coil surface is approximately vertical to the travelling surface, and at least a part of the shielding plate is disposed inside the region on the travelling surface sandwiched between a plane surface defined by a coil surface of the power transmission coil and a plane surface defined by a coil surface of a power receiving coil mounted on the movable body.
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