Patents by Inventor Susumu Tokura
Susumu Tokura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230365004Abstract: A power-receiving coil device is installed inside an exposed part housing. The power-receiving coil device includes a power-receiving-side coil part that receives power from a power-transmitting-side coil part of a power-transmitting coil device, and a power-receiving-side core magnetic body. The power-receiving-side coil part has a first power-receiving coil and a second power-receiving coil which are arranged along a direction of a coil axis. An outer width of the first power-receiving coil is smaller than an outer width of the second power-receiving coil when viewed along a front-back direction perpendicular to the coil axis.Type: ApplicationFiled: December 21, 2020Publication date: November 16, 2023Applicant: IHI CorpotationInventors: Masakazu HARA, Susumu TOKURA
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Patent number: 11170922Abstract: A coil device is provided with a coil and a holder which holds the coil. The coil is formed by a conductive wire being wound in a wound wire direction and includes a plurality of turns that are adjacent in a direction intersecting the wound wire direction. The holder includes a plurality of first holding portions that hold the conductive wire in such a way that the conductive wire passes along a plurality of first paths corresponding to the plurality of turns, and at least one second holding portion which holds the conductive wire in such a way that the conductive wire passes along a second path extending in a direction intersecting the wound wire direction and connecting the first paths.Type: GrantFiled: August 30, 2017Date of Patent: November 9, 2021Assignee: IHI CORPORATIONInventors: Kenji Nishimura, Susumu Tokura, Jun Araki
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Patent number: 11095157Abstract: A wireless power-transmitting system which wirelessly transmits electric power by making a power-transmitting coil and a power-receiving coil face each other includes: a cover which is slidable between a closing position at which the cover covers an area above a facing surface of the power-transmitting coil and an open position at which the cover is retracted from the area above the facing surface; and a hook member which makes a foreign object placed on the cover move together with the cover sliding from the closing position to the open position.Type: GrantFiled: September 20, 2019Date of Patent: August 17, 2021Assignee: IHI CORPORATIONInventors: Eiichiro Fujiwara, Susumu Tokura
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Patent number: 10784035Abstract: 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.Type: GrantFiled: August 19, 2016Date of Patent: September 22, 2020Assignee: IHI CORPORATIONInventors: Akio Ueda, Susumu Tokura, Kenji Nishimura, Motonao Niizuma, Jun Araki
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Patent number: 10748695Abstract: 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.Type: GrantFiled: November 22, 2016Date of Patent: August 18, 2020Assignee: IHI CORPORATIONInventors: Susumu Tokura, Akio Ueda, Jun Araki
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Patent number: 10748699Abstract: 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.Type: GrantFiled: November 22, 2016Date of Patent: August 18, 2020Assignee: IHI CORPORATIONInventors: Susumu Tokura, Akio Ueda, Jun Araki
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Patent number: 10726989Abstract: 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.Type: GrantFiled: October 14, 2016Date of Patent: July 28, 2020Assignee: IHI CorporationInventors: Kentarou Furiya, Susumu Tokura, Kenji Nishimura, Jun Araki, Hideki Nagano
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Patent number: 10673276Abstract: 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.Type: GrantFiled: May 2, 2017Date of Patent: June 2, 2020Assignee: IHI CorporationInventors: Susumu Tokura, Masakazu Hara, Kentarou Furiya, Jun Araki
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Patent number: 10600561Abstract: 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.Type: GrantFiled: May 25, 2016Date of Patent: March 24, 2020Assignee: IHI CORPORATIONInventors: Jun Araki, Motonao Niizuma, Susumu Tokura, Kentaro Furiya, Toshio Nakamura, Kenji Nishimura
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Patent number: 10562396Abstract: A parking assistance system is provided which includes: a parking assistance apparatus that is installed along with a wireless power-supplying device and has a plurality of exciting coils installed around a power-supplying coil provided for the wireless power-supplying device and a plurality of resonators connected to the respective exciting coils and set to resonate due to leakage magnetic flux of the power-supplying coil; and a movable vehicle that detects magnetic flux generated by the exciting coils provided for the parking assistance apparatus, determines a position of the movable vehicle based on a result of the detection and displays the position on a display device.Type: GrantFiled: June 13, 2016Date of Patent: February 18, 2020Assignee: IHI CorporationInventor: Susumu Tokura
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Publication number: 20200014248Abstract: A wireless power-transmitting system which wirelessly transmits electric power by making a power-transmitting coil and a power-receiving coil face each other includes: a cover which is slidable between a closing position at which the cover covers an area above a facing surface of the power-transmitting coil and an open position at which the cover is retracted from the area above the facing surface; and a hook member which makes a foreign object placed on the cover move together with the cover sliding from the closing position to the open position.Type: ApplicationFiled: September 20, 2019Publication date: January 9, 2020Applicant: IHI CORPORATIONInventors: Eiichiro FUJIWARA, Susumu TOKURA
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Publication number: 20190326049Abstract: A coil device is provided with a coil and a holder which holds the coil. The coil is formed by a conductive wire being wound in a wound wire direction and includes a plurality of turns that are adjacent in a direction intersecting the wound wire direction. The holder includes a plurality of first holding portions that hold the conductive wire in such a way that the conductive wire passes along a plurality of first paths corresponding to the plurality of turns, and at least one second holding portion which holds the conductive wire in such a way that the conductive wire passes along a second path extending in a direction intersecting the wound wire direction and connecting the first paths.Type: ApplicationFiled: August 30, 2017Publication date: October 24, 2019Applicant: IHI CORPORATIONInventors: Kenji NISHIMURA, Susumu TOKURA, Jun ARAKI
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Patent number: 10454310Abstract: A wireless power-transmitting system which wirelessly transmits electric power by making a power-transmitting coil and a power-receiving coil face each other includes: a cover which is slidable between a closing position at which the cover covers an area above a facing surface of the power-transmitting coil and an open position at which the cover is retracted from the area above the facing surface; and a hook member which makes a foreign object placed on the cover move together with the cover sliding from the closing position to the open position.Type: GrantFiled: May 13, 2016Date of Patent: October 22, 2019Assignee: IHI CORPORATIONInventors: Eiichiro Fujiwara, Susumu Tokura
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Patent number: 10454319Abstract: 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.Type: GrantFiled: September 7, 2017Date of Patent: October 22, 2019Assignee: IHI CORPORATIONInventors: Motonao Niizuma, Susumu Tokura, Eiichi Urushibata, Hideo Naganuma, Jun Araki
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Patent number: 10446316Abstract: 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.Type: GrantFiled: December 22, 2016Date of Patent: October 15, 2019Assignee: IHI CORPORATIONInventors: Kentarou Furiya, Susumu Tokura, Masakazu Hara, Jun Araki
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Patent number: 10348118Abstract: A wireless power transfer system includes: a power supply primary coil capable of performing wireless power transfer; and a power supply secondary coil capable of performing the wireless power transfer between the power supply primary coil and the power supply secondary coil. The power supply secondary coil contains a secondary coil wire for the wireless power transfer and forms a secondary outer shape having a projecting surface on at least a part of the secondary outer shape, and the power supply primary coil and the power supply secondary coil are capable of performing the wireless power transfer, with the projecting surface of the secondary outer shape directed to the power supply primary coil.Type: GrantFiled: September 21, 2016Date of Patent: July 9, 2019Assignee: IHI CORPORATIONInventors: Yuji Takatsu, Susumu Tokura, Akio Ueda, Sho Hashizume, Kei Akune, Tooru Hayashi
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Patent number: 10315529Abstract: 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.Type: GrantFiled: May 20, 2016Date of Patent: June 11, 2019Assignee: IHI CORPORATIONInventors: Jun Araki, Motonao Niizuma, Susumu Tokura, Eiichi Urushibata, Hideo Naganuma
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Patent number: 10320243Abstract: Provided is a wireless power-supplying system equipped with a power-supplying coil disposed on the ground side, and a power-receiving coil that is mounted on a movable body and wirelessly receives power supplied from the power-supplying coil. In addition, the wireless power-supplying system is provided with a recovery coil in the vicinity of a space between the power-supplying coil and the power-receiving coil such that a wound face thereof intersects leakage flux occurring when the power is supplied from the power-supplying coil to the power-receiving coil.Type: GrantFiled: July 13, 2016Date of Patent: June 11, 2019Assignee: IHI CORPORATIONInventors: Susumu Tokura, Masakazu Hara, Kentaro Furiya
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Patent number: 10315527Abstract: 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.Type: GrantFiled: February 16, 2017Date of Patent: June 11, 2019Assignee: IHI CORPORATIONInventors: Susumu Tokura, Masakazu Hara, Kentarou Furiya, Jun Araki
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Patent number: 10232725Abstract: 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.Type: GrantFiled: September 13, 2016Date of Patent: March 19, 2019Assignee: IHI CorporationInventors: Yuji Takatsu, Sho Hashizume, Susumu Tokura, Akio Ueda, Kei Akune, Tooru Hayashi