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公开(公告)号：US10808723B2
公开(公告)日：2020-10-20
申请号：US16487010
申请日：2017-02-23
发明人： Hideki Nagao , Masahiro Kobayashi
IPC分类号： F04D29/048 , F04D29/58 , F04D29/10 , F04D29/42
摘要： A rotary machine includes a thrust bearing and radial bearings rotatably supporting a rotary shaft, a rotation drive portion that rotates the rotary shaft, a first-stage impeller that rotates about an axis of the rotary shaft, a casing, a working fluid gas extraction portion that extracts a working fluid under compression from a middle of the first-stage impeller to an outside of the casing, and a working fluid supply line that allows the working fluid under compression, on which gas extraction is performed by the working fluid gas extraction portion, to be supplied therethrough to the rotation drive portion.
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公开(公告)号：US20200324357A1
公开(公告)日：2020-10-15
申请号：US16843193
申请日：2020-04-08
发明人： Yasunori Sakai
IPC分类号： B23K9/04
摘要： In a metal laminating and modeling method, a three-dimensional modeled object 10 having a main surface 12 and an outer circumferential surface 13 is modeled by sequentially laminating a plurality of metal layers 11m. The metal laminating and modeling method has a metal layer formation step of forming the metal layers 11m by forming a plurality of weld beads 100 so as to be arranged in a horizontal direction on a table 2, and a first end portion weld bead formation step of inclining the table 2 such that a target surface 2f faces in a first inclination direction and forming first end portion weld beads 100a so as to overlap, among a plurality of center weld beads 100c, the center weld beads 100c located at an uppermost end in a vertical direction Dv.
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公开(公告)号：US20200309150A1
公开(公告)日：2020-10-01
申请号：US16822470
申请日：2020-03-18
摘要： A compressor includes a rotation shaft that is capable of rotating around a main axis, an impeller provided integrally with the rotation shaft, a casing that covers the impeller from an outer circumferential side and forms a flow path through which a working fluid circulates, a discharge scroll that is provided at an end of the flow path on a downstream side and extends in a spiral shape around the main axis, a discharge nozzle that communicates with the discharge scroll on the downstream side and extends from the discharge scroll in a tangent direction around the main axis, and a pressure loss body that has a plate shape extending in a direction orthogonal to an axis of the discharge nozzle extending in a radial direction orthogonal to the main axis and is capable of blocking a part of a flow path cross-section of the discharge nozzle.
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公开(公告)号：US20200300253A1
公开(公告)日：2020-09-24
申请号：US16089067
申请日：2017-03-02
发明人： Shin Yanagisawa , Akihiro Nakaniwa , Eiichi Yanagisawa , Kazutoshi Yoko , Daisuke Hirata , Takanori Matsueda
摘要： A rotary machine includes: a casing; a rotor that includes a rotatable rotary shaft located inside the casing, and a plurality of stages of impellers fixed to an outer periphery of the rotary shaft; a diaphragm group including diaphragms that are respectively provided in the plurality of stages of the impellers; gas flow paths provided respectively corresponding to the impellers and through which process gas to be compressed flows; and a discharge volute connected to the gas flow paths. The discharge volute is provided to expand inward in an axis line direction of the casing.
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公开(公告)号：US10774691B2
公开(公告)日：2020-09-15
申请号：US15538444
申请日：2014-12-25
发明人： Masahiro Kobayashi , Hideki Nagao
摘要： A combined cycle plant includes: a plurality of turbine devices; and a connection line, in which each of the plurality of turbine devices includes a gas turbine unit which includes a gas turbine, a first compressor, and a waste heat recovery boiler, a steam turbine unit which includes a steam turbine, and a second compressor which is driven by power obtained from the steam turbine and contributes to compression of a process gas in a plant, and steam supply lines which supplies steam lead out from the waste heat recovery boiler to the steam turbine, and the connection line is disposed between the steam supply lines configuring the plurality of turbine devices and connect the plurality of steam supply lines to each other.
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公开(公告)号：US20200271211A1
公开(公告)日：2020-08-27
申请号：US16791229
申请日：2020-02-14
发明人： Seiji Oohama
IPC分类号： F16H57/023 , F04D25/02
摘要： A phase adjustment system 100 for a geared compressor 1 includes a phase adjustment jig 50 that is to be detachably provided in the geared compressor 1. The geared compressor 1 includes a drive gear 4 fixed to a drive shaft and having a largest outer diameter among a plurality of gears; a driven gear having a smaller diameter than a diameter of the drive gear 4 and meshing with the drive gear 4; and a gear casing accommodating the drive gear 4 and the driven gear. The phase adjustment jig 50 includes a fifth jig gear 66 that meshes with the drive gear 4 in a state where a frame 51 is fixed to the gear casing; and a manually rotatable handle 70 that is configured to rotate the fifth jig gear 66.
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公开(公告)号：US20200271130A1
公开(公告)日：2020-08-27
申请号：US16780100
申请日：2020-02-03
IPC分类号： F04D29/58
摘要： A compressor 1 includes a casing 2 that covers a rotating shaft 4 and an impeller 6 and is provided with a diffuser 66 for guiding the working fluid discharged from the impeller 6 to an outside in a radial direction, a heat exchanger 71 that is cools at least a portion of the working fluid compressed by the impeller 6, a cooling fluid supplying unit 7 that supplies the working fluid cooled by the heat exchanger 71 into the casing 2 as a cooling fluid for cooling a motor 5 disposed in the casing 2, and a cooling fluid circulating unit 8 that discharges the cooling fluid that has passed through the motor 5 to an outside of the casing 2, and supplies the discharged cooling fluid downstream of an outlet 6o of a first impeller 6A and upstream of the diffuser 66.
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公开(公告)号：US10738858B2
公开(公告)日：2020-08-11
申请号：US16099619
申请日：2016-11-17
IPC分类号： F16H3/72 , F16D25/061 , H02K7/108 , H02K7/116 , H02K9/06
摘要： A variable-speed speed increaser includes: an electric driving device that generates a rotational driving force; and a transmission device that changes the speed of the rotational driving force generated by the electric driving device and transmits the changed rotation driving force to a driving target. The transmission device includes: a sun gear; a sun gear shaft fixed to the sun gear; a planetary gear that meshes with the sun gear; an internal gear; a planetary gear carrier that has a planetary gear carrier shaft; and an internal gear carrier that has an internal gear carrier shaft. The electric driving device includes: a constant-speed motor that has a constant-speed rotor; and a variable-speed motor that has a variable-speed rotor. The internal gear carrier includes a clutch mechanism that connects a cylindrical portion connected to the internal gear with the internal gear carrier shaft.
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公开(公告)号：US20200248709A1
公开(公告)日：2020-08-06
申请号：US16780161
申请日：2020-02-03
发明人： Jo Masutani , Shuichi Yamashita
摘要： What is provided is a method of manufacturing a centrifugal rotary machine including: a fixing step S1 of fixing a return vane body having a virtual airfoil curved forward in a rotation direction of a rotation shaft as it goes inward in a radial direction and formed by a pressure surface recessed forward in the rotation direction and a negative pressure surface protruding forward in the rotation direction onto a guide flow path; and a cutting step S2 of forming a cut surface by cutting a portion including an inner radial end portion of the return vane body from the pressure surface to the negative pressure surface.
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公开(公告)号：US10724538B2
公开(公告)日：2020-07-28
申请号：US15547392
申请日：2015-09-16
发明人： Akihiro Nakaniwa , Satoru Yoshida
摘要： A centrifugal compressor includes an impeller that rotates about an axis; an inlet guide vane including a plurality of vanes disposed on an upstream side of the impeller and provided at intervals in a circumferential direction of the axis, the inlet guide vane being directed inward in the radial direction between adjacent vanes, and forming a guide flow path having an exit angle in the radial direction and guiding the fluid; and a suction flow path that introduces the fluid from a part in a circumferential direction into the inlet guide vane. The exit angle of the vane of the first region on the one side when viewed from the suction flow path in the inlet guide vane is displaced to the suction flow path side as compared to the exit angle of the vane of a second region on the opposite side of the one side.
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