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公开(公告)号：US20190143644A1
公开(公告)日：2019-05-16
申请号：US16097945
申请日：2017-08-23
发明人： Yuya Konno , Toyoaki Yasui , Masaki Kawano
摘要： A multilayer structure includes: a base material made of an iron-based metal material; a nitride layer that is provided on a surface of the base material through a nitriding treatment performed to the base material; an intermediate layer provided on a surface of the nitride layer; and a DLC layer provided on a surface of the intermediate layer. The intermediate layer is made of Si3N4, and the DLC layer has a thickness of 2 μm to 10 μm.
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公开(公告)号：US20210123452A1
公开(公告)日：2021-04-29
申请号：US16491973
申请日：2018-03-26
发明人： Yuya Konno
摘要： An impeller 1 according to the present invention includes a disc portion 30 fixed to a rotary shaft 101 that rotates around an axis line O, a cover portion 50 disposed to face the disc portion 30, and a plurality of blade portions 40 provided between the disc portion 30 and the cover portion 50. The impeller 1 includes a first segment SG1 configured of a first disc portion 31 that is a portion of the disc portion 30 on one side of the axis line O, a second segment SG2 in which a second disc portion 35 that is a portion of the disc portion 30 on another side of the axis line O, the cover portion 50, and the blade portions 40 are integrally configured, and a joining layer CL configured to join, by friction welding, the first segment SG1 and the second segment SG2.
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公开(公告)号：US20190134779A1
公开(公告)日：2019-05-09
申请号：US16089852
申请日：2017-03-29
发明人： Sosuke Kawasumi , Yuya Konno , Akihiro Nakaniwa
IPC分类号： B24C3/32 , B24C1/08 , B24C5/04 , B33Y10/00 , B33Y80/00 , B23K15/00 , F04D29/00 , F04D29/28 , F04D29/02 , F04D29/62
摘要： A method for producing an impeller, includes the following steps: a forming step of forming the impeller by fused deposition modeling; and a polishing step of polishing a wall that defines a channel of the impeller using particulate polishing materials. The particulate polishing materials are sprayed on the wall of the channel or the wall of the channel is rubbed with the particulate polishing materials in the polishing step.
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公开(公告)号：US11143198B2
公开(公告)日：2021-10-12
申请号：US16491973
申请日：2018-03-26
发明人： Yuya Konno
摘要： An impeller 1 according to the present invention includes a disc portion 30 fixed to a rotary shaft 101 that rotates around an axis line O, a cover portion 50 disposed to face the disc portion 30, and a plurality of blade portions 40 provided between the disc portion 30 and the cover portion 50. The impeller 1 includes a first segment SG1 configured of a first disc portion 31 that is a portion of the disc portion 30 on one side of the axis line O, a second segment SG2 in which a second disc portion 35 that is a portion of the disc portion 30 on another side of the axis line O, the cover portion 50, and the blade portions 40 are integrally configured, and a joining layer CL configured to join, by friction welding, the first segment SG1 and the second segment SG2.
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公开(公告)号：US10906270B2
公开(公告)日：2021-02-02
申请号：US16097945
申请日：2017-08-23
发明人： Yuya Konno , Toyoaki Yasui , Masaki Kawano
IPC分类号： B32B15/04 , F01D5/28 , F04C15/00 , F01D25/00 , C23C28/04 , C23C8/38 , C23C8/80 , C23C16/02 , C23C16/27
摘要： A multilayer structure includes: a base material made of an iron-based metal material; a nitride layer that is provided on a surface of the base material through a nitriding treatment performed to the base material; an intermediate layer provided on a surface of the nitride layer; and a DLC layer provided on a surface of the intermediate layer. The intermediate layer is made of Si3N4, and the DLC layer has a thickness of 2 μm to 10 μm.
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公开(公告)号：US20200032810A1
公开(公告)日：2020-01-30
申请号：US16491325
申请日：2018-03-26
发明人： Yuya Konno
IPC分类号： F04D29/28
摘要： An impeller includes: a disc portion fixed to a rotary shaft that rotates around an axis line; a cover portion disposed to face the disc portion; and a plurality of blade portions provided between the disc portion and the cover portion. The impeller includes a first segment configured of a first disc portion that is a portion of the disc portion on one side of the axis line, a second segment in which a second disc portion that is a portion of the disc portion on another side of the axis line, the cover portion, and the blade portions are integrally configured, and a bonding layer configured to bond the first disc portion of the first segment and the second disc portion of the second segment with a bonding agent.
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公开(公告)号：US20200063562A1
公开(公告)日：2020-02-27
申请号：US16487488
申请日：2018-03-26
发明人： Yuya Konno , Akihiro Nakaniwa
IPC分类号： F01D5/04 , F01D5/14 , F04D29/054
摘要： An impeller includes: a disc portion fixed to a rotary shaft rotating around an axis line; a cover portion disposed to face the disc portion; and a plurality of blade portions provided between the disc portion and the cover portion. A compressive residual stress layer is provided on a surface layer of a boundary with the disc portion and on a surface layer of a boundary with the cover portion, at a front end of each of the blade portions.
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8.发明授权公开(公告)号：US09745863B2
公开(公告)日：2017-08-29
申请号：US14417719
申请日：2013-11-26
发明人： Yusuke Ishibashi , Yuya Konno , Yujiro Watanabe , Toyoaki Yasui , Kazunari Tanaka , Kosei Kawahara , Yohei Fuchigami , Toshio Nishina
IPC分类号： F01D25/00 , F01D25/24 , F04D29/02 , F04D29/42 , C23C18/16 , C23C18/18 , F04D17/12 , C23C18/44 , C23C18/32
CPC分类号： F01D25/24 , C23C18/1605 , C23C18/1616 , C23C18/1619 , C23C18/1633 , C23C18/1675 , C23C18/1678 , C23C18/1692 , C23C18/18 , C23C18/1817 , C23C18/32 , C23C18/44 , F01D25/005 , F04D17/122 , F04D29/023 , F04D29/4206 , F05D2230/90 , Y10T29/49323
摘要： Provided is a method of manufacturing a rotary machine, which includes: a casing forming process of forming a casing of the rotary machine that has multiple opening parts and suctions and discharges a fluid; a surface activating process of supplying a pretreatment liquid into the casing, then discharging the pretreatment liquid from the casing through the opening parts, and activating an inner surface of the casing after the casing forming process; a plating process of performing supply and discharge of a plating liquid into and from the easing through the opening parts to circulate the plating liquid and plating the inner surface of the casing after the surface activating process; and an assembling process of providing a rotating body that is rotatable relative to the casing so as to he covered from an outer circumference side by the casing plated in the plating process.
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