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公开(公告)号：US20230383854A1
公开(公告)日：2023-11-30
申请号：US18446479
申请日：2023-08-09
Applicant: CKD CORPORATION
Inventor： Akihiro Ito , Hiroki Doi , Masaya Yamauchi , Masayuki Kouketsu
IPC: F16K11/085 , G05D23/13 , F16K31/04 , F16K27/06
CPC classification number: F16K11/0856 , G05D23/1306 , F16K31/041 , F16K27/065
Abstract: A four-way valve includes a body and a valve component. The body includes a valve chamber and first to fourth communication channels which communicate with the valve chamber at positions arranged in sequence in a predefined rotational direction and cause the valve chamber to communicate with an outside. The valve component is rotatable in the predefined rotational direction and switches the four-way valve to be in at least one of: a first state in which the first and second communication channels communicate with the first region and the third and fourth communication channels communicate with the third region; and a second state in which the second communication channel communicates with the first region, the third communication channel communicates with the second region, and the first and fourth communication channels communicate with the third region.
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公开(公告)号：US20210148630A1
公开(公告)日：2021-05-20
申请号：US17100227
申请日：2020-11-20
Inventor： Akihiro Ito , Norio Kokubo , Masayuki Kouketsu , Isahiro Hasegawa , Toshiharu Nakazawa , Keisuke Takanashi , Yukihiro Fukusumi
Abstract: A temperature control system is used for controlling a temperature of a control target to a target temperature that changes with lapse of time. The system includes: a first adjustment apparatus that includes a first tank that stores a first heat transfer medium, adjusts the temperature of the first heat transfer medium to a first set temperature, and supplies the temperature-adjusted first heat transfer medium; a first circulation circuit through which the first heat transfer medium flows from the first adjustment apparatus to a first flow-through path and returns to the first adjustment apparatus; an adjustment section that adjusts an amount of heat supplied from the first flow-through path to the control target; a memory that stores a relation between the lapse of time and the target temperature; and a controller.
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公开(公告)号：US10344887B2
公开(公告)日：2019-07-09
申请号：US15649390
申请日：2017-07-13
Applicant: CKD Corporation
Inventor： Akihiro Ito , Masayuki Kouketsu
IPC: F16K31/06 , F16K11/065
Abstract: An electromagnetic actuator includes a pair of plate springs each of which is configured to produce elastic force in a predetermined direction in accordance with an amount of deformation; a movable member supported by the pair of plate springs to be movable in the predetermined direction; and a drive unit which is configured to drive the movable member in the predetermined direction in a non-contact state by means of electromagnetic force to be applied between the pair of plate springs in the predetermined direction.
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14.发明授权Electromagnetic coil, method of manufacturing electromagnetic coil, and electromagnetic actuator 有权电磁线圈，制造电磁线圈的方法和电磁执行机构公开(公告)号：US09508476B2
公开(公告)日：2016-11-29
申请号：US14812922
申请日：2015-07-29
Applicant: CKD CORPORATION
Inventor： Masayuki Kouketsu , Akihiro Ito , Kazutoshi Itoh , Takashi Hosono , Sadayoshi Muto
CPC classification number: H01F5/06 , F16K31/0675 , F16K49/00 , H01F5/00 , H01F7/08 , H01F27/08 , H01F41/064 , H01F41/125 , H01J35/14 , H01J2235/087 , H01J2235/1287 , Y10T29/49073 , Y10T137/6416
Abstract: An electromagnetic coil includes a conductor winding 12a formed by winding a conductor 12b a plurality of times about a predetermined axis, and a ceramic layer 12c formed through thermal spraying on an axial end surface of the conductor winding 12a, and having a flattened surface. A maximal value t12 of thickness of the ceramic layer 12c is set to three times or less a maximal value t11 of depth of the recesses formed at the surface of turns of the conductor 12b at the axial end surface.
Abstract translation: 电磁线圈包括通过围绕预定轴线多次缠绕导体12b而形成的导体绕组12a，以及通过热喷涂形成在导体绕组12a的轴向端面上并具有扁平表面的陶瓷层12c。 将陶瓷层12c的厚度的最大值t12设定为在轴向端面处形成在导体12b的匝面的凹部的深度的最大值t11的三倍以下。
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公开(公告)号：US11796247B2
公开(公告)日：2023-10-24
申请号：US17100227
申请日：2020-11-20
Inventor： Akihiro Ito , Norio Kokubo , Masayuki Kouketsu , Isahiro Hasegawa , Toshiharu Nakazawa , Keisuke Takanashi , Yukihiro Fukusumi
CPC classification number: F25D29/001 , F25D17/02 , F25D2303/085 , F25D2400/34 , F25D2500/04 , F25D2600/02 , F25D2700/121 , F25D2700/123 , F25D2700/16
Abstract: A temperature control system is used for controlling a temperature of a control target to a target temperature that changes with lapse of time. The system includes: a first adjustment apparatus that includes a first tank that stores a first heat transfer medium, adjusts the temperature of the first heat transfer medium to a first set temperature, and supplies the temperature-adjusted first heat transfer medium; a first circulation circuit through which the first heat transfer medium flows from the first adjustment apparatus to a first flow-through path and returns to the first adjustment apparatus; an adjustment section that adjusts an amount of heat supplied from the first flow-through path to the control target; a memory that stores a relation between the lapse of time and the target temperature; and a controller.
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Patent Agency Ranking
公开(公告)号：US11566723B2
公开(公告)日：2023-01-31
申请号：US17130731
申请日：2020-12-22
Applicant: CKD Corporation
Inventor： Akihiro Ito , Masayuki Kouketsu , Keiichi Nishikawa , Yasuhisa Hirose , Takahiro Minatani
IPC: F16K31/06 , F16K3/18 , F16K3/316 , F16K11/065
Abstract: A flow path switching valve includes (a) a valve body in a shape of a rectangular parallelepiped having a predetermined surface and an opposite surface, the valve body including an open flow passage having an opening on the predetermined surface, (b) a main body including a plurality of ports having a respective opening on a facing surface thereof facing the predetermined surface, and a plurality of connection flow passages each connected to respective one of the plurality of ports, (c) a pair of plate springs attached to opposite ends of the valve body to support the valve body with a predetermined gap formed between the predetermined surface and the facing surface, the plate springs applying elastic force to the valve body in accordance with an amount of movement of the valve body in a predetermined direction, and (d) an actuator for reciprocating the valve body in the predetermined direction.
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公开(公告)号：US20210148621A1
公开(公告)日：2021-05-20
申请号：US17100191
申请日：2020-11-20
Inventor： Akihiro Ito , Norio Kokubo , Masayuki Kouketsu , Isahiro Hasegawa , Toshiharu Nakazawa , Keisuke Takanashi , Yukihiro Fukusumi
Abstract: A cooling system includes: a first cooling apparatus electrically driven to supply a first heat transfer medium cooled to a first set temperature or lower; a plurality of second cooling apparatuses each of which includes a heat exchanger that exchanges heat between the first heat transfer medium supplied from the first cooling apparatus and a second heat transfer medium, and is electrically driven to supply a third heat transfer medium cooled to a second set temperature or lower, the second set temperature being changed individually with lapse of time; and a processor that obtains second set temperatures of the second cooling apparatuses and sets the first set temperature based on the obtained second set temperatures.
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公开(公告)号：US20210140688A1
公开(公告)日：2021-05-13
申请号：US17093002
申请日：2020-11-09
Inventor： Akihiro Ito , Norio Kokubo , Masayuki Kouketsu , Isahiro Hasegawa , Toshiharu Nakazawa , Keisuke Takanashi , Yukihiro Fukusumi
Abstract: A temperature control system is used for controlling a temperature of a control target. The system includes: a first circulation circuit through which a first heat transfer medium circulates; a second circulation circuit that is independent of the first circulation circuit and through which a second heat transfer medium circulates; and a third circulation circuit that is independent of the first circulation circuit and the second circulation circuit and through which a third heat transfer medium circulates. The third heat transfer medium has a usable temperature range wider than usable temperature ranges of the first heat transfer medium and the second heat transfer medium.
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公开(公告)号：US10121590B2
公开(公告)日：2018-11-06
申请号：US15619268
申请日：2017-06-09
Applicant: CKD Corporation
Inventor： Akihiro Ito , Masayuki Kouketsu , Takashi Yamaguchi , Takeshi Fukuda
Abstract: A method produces a coil sheet from an initial coil sheet in which a conductor layer, a thermally resistant insulating layer, a thermosetting, uncured adhesive layer, and a base layer are stacked in this order. The method includes a first cutting step of cutting the conductor layer into a predetermined shape through etching, and a second cutting step of cutting, after the first cutting step, the insulating layer and the adhesive layer into the predetermined shape through etching.
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公开(公告)号：US10043609B2
公开(公告)日：2018-08-07
申请号：US15061857
申请日：2016-03-04
Applicant: CKD CORPORATION , NIKON CORPORATION
Inventor： Akihiro Ito , Masayuki Kouketsu , Shigeru Morimoto , Hiromitsu Yoshimoto , Koji Tanaka
CPC classification number: H01F7/08 , H01F5/00 , H01F7/06 , H01F27/16 , H02K3/24 , H02K9/19 , H02K9/22 , H02K41/02 , H02K2201/18
Abstract: A cooling structure for a first electromagnetic coil includes the first electromagnetic coil having a space extending in the direction of a predetermined axis Z; a cooling member attached to an end surface, with respect to the direction of the predetermined axis Z, of the first electromagnetic coil and having a flow path for fluid internally formed; and an inlet pipe and an outlet pipe connected, within the space, to an inlet and outlet, respectively, of the flow path of the cooling member and extending through the space to a region outside the electromagnetic coil.
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