公开(公告)号：US20200058081A1

公开(公告)日：2020-02-20

申请号：US16344881

申请日：2017-10-30

Applicant: NEC Corporation

Inventor： Eisuke SANEYOSHI ,  Shigeru KOUMOTO ,  Akira SHOUJIGUCHI ,  Rie IWASAKI ,  Takahiro TOIZUMI ,  Ryota SUZUKI

IPC: G06Q50/04 ,  G06Q10/00 ,  G06Q10/06 ,  G05B19/406

Abstract: There are provided a repair determination section that determines, based on failure information on the facility for manufacturing a product, a repair time required to repair the facility, and a recovery plan creation section that creates a recovery plan in accordance with a predetermined production evaluation indicator, based on the repair time and production information on a line with the failed facility, one or more other facilities, and on one or more other lines.

公开(公告)号：US20170280594A1

公开(公告)日：2017-09-28

申请号：US15504074

申请日：2015-08-20

Applicant: NEC Corporation

Inventor： Masanori SATO ,  Kenichi INABA ,  Minoru YOSHIKAWA ,  Akira SHOUJIGUCHI ,  Masaki CHIBA ,  Arihiro MATSUNAGA

IPC: H05K7/20 ,  G05B15/02

CPC classification number: H05K7/20836 ,  G05B15/02 ,  H05K7/20745 ,  H05K7/20827 ,  Y02D10/16

Abstract: A rack louver 120 controls an air flow of outside air external to an enclosure 10 taken into the enclosure 10, flowing from an inlet 20 to an outlet 30 in a rack 60. An outlet louver 130 controls an air flow of inside air internal to the enclosure 10 flowing out from the outlet 30 to outside the enclosure 10. A system control unit 150 adjusts motive power of a blowing unit 40, a degree of opening of the rack louver 120, and a degree of opening of the outlet louver 130 in accordance with an outside-air temperature measured by an outside-air temperature sensor 50 and electronic equipment power consumption measured by a power sensor 100. Consequently, electronic equipment in the rack can be cooled with higher energy efficiency while suppressing temperature rise in the electronic equipment.

公开(公告)号：US20160282023A1

公开(公告)日：2016-09-29

申请号：US15036464

申请日：2014-12-05

Applicant: NEC CORPORATION ,  NEC PLATFROMS LTD.

Inventor： Arihiro MATSUNAGA ,  Masaki CHIBA ,  Minoru YOSHIKAWA ,  Tadao HOSAKA ,  Shunsuke FUJII ,  Akira SHOUJIGUCHI ,  Kenichi INABA ,  Masanori SATO

IPC: F25B39/00 ,  F28D15/06 ,  H05K7/20 ,  F28D15/02

CPC classification number: F25B39/00 ,  F25B23/006 ,  F25B39/028 ,  F25B2500/01 ,  F28D15/0266 ,  F28D15/06 ,  H05K7/20818

Abstract: In order to supply a refrigerant to multiple-stage heat receivers equally while saving space, a refrigerant distribution device to distribute a refrigerant supplied from the upper stream according to the present invention includes a main body including a side wall part, an upper face part and a bottom face part, an upstream pipe provided on the upper face part in a manner communicating with an inside of the main body, a downstream pipe provided in a state partially inserted inside the main body via an under face hole part provided in the bottom face part, a tributary pipe provided in the side wall part or the bottom face part in a manner communicating with the inside of the main body, and a refrigerant direction changing means provided between the upstream pipe and the downstream pipe.

Abstract translation: 为了在节省空间的同时将制冷剂等同地供给到多级的热接收器，根据本发明的从上游供应的制冷剂的分配制冷剂分配装置包括：主体，其包括侧壁部，上表面部和 底面部，以与主体内侧连通的方式设置在上表面部的上游管，下游管，其经由设置在底面的底面孔部分部分插入到主体内部， 部分，以与主体内部连通的方式设置在侧壁部分或底面部分中的支流管，以及设置在上游管和下游管之间的制冷剂方向改变装置。

公开(公告)号：US20150305209A1

公开(公告)日：2015-10-22

申请号：US14646599

申请日：2013-12-03

Applicant: NEC CORPORATION

Inventor： Kenichi INABA ,  Minoru YOSHIKAWA ,  Hitoshi SAKAMOTO ,  Akira SHOUJIGUCHI ,  Arihiro MATSUNAGA ,  Masaki CHIBA

IPC: H05K7/20

CPC classification number: H05K7/20818 ,  F25B23/006 ,  F28D15/0266 ,  F28D15/06 ,  G06F1/20 ,  H05K7/20736 ,  H05K7/20809

Abstract: A cooling system of an electronic device storing apparatus of the present invention comprises: a rack including an electronic device and a plurality of placement shelves to place the electronic device; in the rack, a vaporizer having a refrigerant internally being mounted; outside the rack, a condensing part connected with the vaporizer by a laying pipe being installed; and a refrigerant adjustment means for adjusting a height of a refrigerant surface in the vaporizer.

Abstract translation: 本发明的电子设备存储装置的冷却系统包括：包括电子设备的机架和用于放置电子设备的多个放置架; 在机架中，内置有制冷剂的汽化器; 在机架外部，安装有通过铺设管与蒸发器连接的冷凝部件; 以及用于调节蒸发器中的制冷剂表面的高度的制冷剂调节装置。

公开(公告)号：US20190324070A1

公开(公告)日：2019-10-24

申请号：US16463011

申请日：2017-11-29

Applicant: NEC Corporation

Inventor： Eisuke SANEYOSHI ,  Shigeru KOUMOTO ,  Akira SHOUJIGUCHI

IPC: G01R21/133 ,  H02J13/00

Abstract: The present invention extracts a time segment of an analysis target from time series data of a signal related to an operation of the facility and estimates a change with time of a state of the facility, based on the time series data of the time segment extracted.

公开(公告)号：US20170280585A1

公开(公告)日：2017-09-28

申请号：US15506564

申请日：2015-08-20

Applicant: NEC Corporation

Inventor： Akira SHOUJIGUCHI ,  Minoru YOSHIKAWA ,  Masaki CHIBA ,  Arihiro MATSUNAGA ,  Masanori SATO

IPC: H05K7/20

CPC classification number: H05K7/20127 ,  H05K7/20309 ,  H05K7/20318 ,  H05K7/20827

Abstract: It is impossible to avoid the increase in device cost and maintenance cost in order to cool a plurality of heat sources efficiently using a natural-circulation type phase-change cooling device; therefore, a phase-change cooling device according to an exemplary aspect of the present invention includes a plurality of heat receiving units configured to hold respectively refrigerant receiving heat from a plurality of heat sources; a condensing unit configured to generate refrigerant liquid by condensing and liquefying refrigerant vapor of the refrigerant evaporated in the heat receiving units; a refrigerant vapor transport structure connecting the heat receiving units to the condensing unit and configured to transport the refrigerant vapor; and a refrigerant liquid transport structure connecting the heat receiving units to the condensing unit and configured to transport the refrigerant liquid, wherein the refrigerant liquid transport structure includes a main-liquid-pipe connected to the condensing unit, a refrigerant liquid reservoir connected to the main-liquid-pipe and configured to store the refrigerant liquid, and a plurality of sub-liquid-pipes respectively connecting the refrigerant liquid reservoir to the plurality of heat receiving units.

公开(公告)号：US20160290691A1

公开(公告)日：2016-10-06

申请号：US15036688

申请日：2014-11-10

Applicant: NEC CORPORATION ,  NEC PLATFORMS , LTD.

Inventor： Masaki CHIBA ,  Minoru YOSHIKAWA ,  Akira SHOUJIGUCHI ,  Kenichi INABA ,  Arihiro MATSUNAGA ,  Masanori SATO ,  Tadao HOSAKA ,  Yasuhito NAKAMURA

IPC: F25B41/00

CPC classification number: F25B41/003 ,  F16L41/086 ,  F25B23/006 ,  F25B2500/01

Abstract: It is difficult to avoid a decrease in cooling capacity without causing an increase in power consumption if a cooling device including a piping structure grows in size, therefore, a piping structure according to an exemplary aspect of the present invention includes a tubular part including a first flow passage through which a refrigerant flowing and a shell region surrounding the first flow passage; an introduction part composing a part of the shell region and including a second flow passage connected to the first flow passage; and a connection located at an end, between ends of the introduction part, on the side opposite to an end on a side where the second flow passage being connected to the first flow passage.

Abstract translation: 如果包括管道结构的冷却装置的尺寸增大，则难以避免冷却能力的降低而不引起功率消耗的增加，因此，根据本发明的示例性方面的管道结构包括管状部件，其包括第一 流经制冷剂的流动通道和围绕第一流动通道的壳体区域; 引导部分，构成壳体区域的一部分，并且包括连接到第一流动通道的第二流动通道; 以及位于所述导入部的端部之间的端部的与所述第二流路连接到所述第一流路的一侧的端部相反的一侧的连接。

公开(公告)号：US20160147034A1

公开(公告)日：2016-05-26

申请号：US14904450

申请日：2014-07-16

Applicant: NEC CORPORATION

Inventor： Akira SHOUJIGUCHI ,  Minoru YOSHIKAWA ,  Hitoshi SAKAMOTO ,  Masaki CHIBA ,  Kenichi INABA ,  Arihiro MATSUNAGA

IPC: G02B7/02 ,  G03B21/16 ,  F28D15/02 ,  G02B27/00

CPC classification number: G02B7/028 ,  F28D15/02 ,  F28D15/0266 ,  G02B27/0006 ,  G03B21/16

Abstract: A cooling structure of a sealed casing according to the present invention includes sealed containers for housing heat-generation components irradiated with light from a light source to generate heat, an evaporation unit disposed in the sealed container to store a refrigerant, a condensation unit configured to liquefy the refrigerant gasified by the heat received from the heat-generation component, a steam pipe configured to connect the evaporation unit and the condensation unit, through which the gasified refrigerant flows, and a liquid pipe configured to connect the evaporation unit and the condensation unit to each other, through which the liquefied refrigerant flows. Thus, a cooling structure capable of preventing performance deterioration of a cooling target device can be achieved.

Abstract translation: 根据本发明的密封壳体的冷却结构包括用于容纳照射来自光源的光的发热部件以产生热的密封容器，设置在密封容器中以储存制冷剂的蒸发单元，冷凝单元，其构造成 液化通过从发热部件接收的热量气化的制冷剂，配置成连接蒸发单元和冷凝单元的蒸气管，气化的制冷剂流过冷凝单元;液体管，被配置为将蒸发单元和冷凝单元 彼此通过液化制冷剂流过。 因此，能够实现能够防止冷却对象装置的性能恶化的冷却结构。

公开(公告)号：US20160018143A1

公开(公告)日：2016-01-21

申请号：US14378659

申请日：2013-02-13

Applicant: NEC CORPORATION

Inventor： Kenichi INABA ,  Minoru YOSHIKAWA ,  Hitoshi SAKAMOTO ,  Akira SHOUJIGUCHI ,  Masaki CHIBA ,  Arihiro MATSUNAGA

IPC: F25B43/00 ,  F25B39/00

CPC classification number: F25B43/00 ,  F25B39/00 ,  F25B39/02 ,  F25B39/04 ,  F28D15/0266 ,  G06F1/20 ,  H05K7/20818

Abstract: A cooling apparatus includes N (N is an integer of 2 or larger) refrigerant storage units arranged in a vertical direction and configured to store refrigerants, a condensation unit disposed above the N refrigerant storage units, a steam pipe for circulating gas phase refrigerants flowing out of the N refrigerant storage units to the condensation unit, a liquid pipe for circulating a liquid phase refrigerant flowing out of the condensation unit to an uppermost refrigerant storage unit, and separation piping for circulating a liquid phase refrigerant flowing out of an upper refrigerant storage unit to a lower refrigerant storage unit. The liquid phase refrigerant flows into each refrigerant storage unit via an inlet, and flows out from the refrigerant storage unit via a first connection port formed below the inlet.

Abstract translation: 一种冷却装置，其特征在于，包括N个（N为2以上的整数）制冷剂储存单元，其沿垂直方向配置，构成为储存制冷剂，冷凝单元设置在所述N个制冷剂储存单元的上方;蒸气管，其使流出的气相制冷剂循环 的N个制冷剂储存单元的冷凝装置，将从冷凝装置流出的液相制冷剂循环到最上层的制冷剂储存部的液体管，以及使从上部制冷剂储存部流出的液相制冷剂循环的分离配管 到下部制冷剂储存单元。 液相制冷剂经由入口流入各制冷剂储存单元，经由形成在入口下方的第一连接口从制冷剂储存单元流出。