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公开(公告)号：JP2013127256A
公开(公告)日：2013-06-27
申请号：JP2013032610
申请日：2013-02-21
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KOMATSU TAKAHIDE , KANEDA KAZUHIRO , TEJIMA TOMOJI , HIGAKI NOBUHIRO , MIYAUCHI SHOKO
IPC: F04B49/06
Abstract: PROBLEM TO BE SOLVED: To provides a water supply apparatus capable of performing a backup operation, without lowering water supply capability, when a failure has occurred in one control substrate due to surge or noise caused by lightning or due to lifetimes of various sensors, by switching to the other control substrate, and capable of reliably performing the backup operation by means of devices that prevent failure of the control substrates.SOLUTION: The water supply apparatus 1 includes: a plurality of pumps 3; a plurality of inverters INV each configured to change and control a rotational frequency of a corresponding one of the plurality of pumps 3; and a plurality of control substrates CN configured to control the plurality of inverters INV. When an abnormality occurs in one control substrate, other control substrate backs up the one control substrate to thereby allow the water supply apparatus to continue its operations. The one control substrate and the other control substrate are connected in series by communication lines via the plurality of inverters INV. A switch SW1 for turning on and off a communication is provided on the communication lines.
Abstract translation: 要解决的问题：提供一种能够进行备用操作的供水装置，而不会降低供水能力，当由于闪电引起的浪涌或噪声或由于各种不同的寿命而在一个控制基板中发生故障时 传感器，通过切换到另一个控制基板，并且能够通过防止控制基板故障的装置可靠地执行备份操作。 供水装置1包括：多个泵3; 多个反相器INV，每个反相器INV被配置为改变和控制多个泵3中相应的一个泵3的旋转频率; 以及被配置为控制多个反相器INV的多个控制基板CN。 当在一个控制基板中发生异常时，其他控制基板支撑一个控制基板，从而允许供水装置继续其操作。 一个控制基板和另一个控制基板经由多个反相器INV通过通信线串联连接。 在通信线路上设置用于接通和断开通信的开关SW1。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012026348A
公开(公告)日：2012-02-09
申请号：JP2010165436
申请日：2010-07-23
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KUROIWA SATOSHI , ITO SHOJI , KOMATSU TAKAHIDE , KANEDA KAZUHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a sealing mechanism capable of preventing abrasion and damage, even if a liner ring and a rotor contact each other, while keeping a clearance between the liner ring and the rotor small, and also capable of significantly reducing noise.SOLUTION: The sealing mechanism includes: a liner ring 6 placed in proximity to a pump rotor 1; a liner ring housing 7 and a liner ring cover 8 forming a space 10 for radially movably housing the liner ring 6; and protrusions 12 provided in at least either of the liner ring housing 7 and the liner ring cover 8 and facing a side of the liner ring 6. An axial movement of the liner ring 6 is substantially restrained by the protrusions 12.
Abstract translation: 要解决的问题：为了提供能够防止磨损和损伤的密封机构，即使衬套环和转子彼此接触，同时保持衬套环和转子之间的间隙较小，并且还能够显着地 减少噪音 解决方案：密封机构包括：靠近泵转子1放置的衬套6; 衬套环壳体7和衬套环盖8，其形成用于径向可移动地容纳衬套环6的空间10; 以及设置在衬套环壳体7和衬套环盖8中的至少一个中并面向衬套环6的一侧的突起12.衬套6的轴向运动基本上被突出部12限制。 （C）2012，JPO＆INPIT
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公开(公告)号：JP2010265656A
公开(公告)日：2010-11-25
申请号：JP2009117190
申请日：2009-05-14
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KOMATSU TAKAHIDE , MIYAKE YOSHIO , UEI KEITA
Abstract: PROBLEM TO BE SOLVED: To provide a booster water supply system which prevents excessive back pressure from being imposed on water supply equipment for lower stories, by preventing the backflow of water to the lower stories of a building from upper stories thereof, and which prevents air from being sucked in from a hydrant between the water supply equipment for the lower stories and water supply equipment for the upper stories. SOLUTION: This booster water supply system includes the first water supply equipment BP1 for the lower stories, which is connected to a water service pipe 2, and the second water supply equipment BP2 for the upper stories, which is serially connected to the first water supply equipment BP1 and arranged in a position higher than the first water supply equipment BP1. A backflow preventer 30 for preventing the backflow of the water to the lower stories from the upper stories is provided on the suction side of the pump P2 of the second water supply equipment BP2. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 要解决的问题：提供一种增强供水系统，其通过防止水从上层向楼层的下层回流，防止对低层故障的供水设备施加过大的背压，以及 防止空气从下层的供水设备和上层的供水设备之间的消防栓吸入。
解决方案：该增压供水系统包括连接到供水管2的用于下层的第一供水设备BP1和与上层故障串联连接的第二供水设备BP2 第一供水设备BP1并布置在比第一供水设备BP1高的位置。 在第二供水设备BP2的泵P2的吸入侧设置有用于防止从上层故障向下层流回水的防回流器30。 版权所有（C）2011，JPO＆INPIT
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44.发明专利Control device for supply water device, and method for composing control device 有权用于供水装置的控制装置，以及用于组合控制装置的方法
公开(公告)号：JP2006097662A
公开(公告)日：2006-04-13
申请号：JP2004288123
申请日：2004-09-30
Applicant: Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
Inventor： HIRAIWA HIRONAO , NAKAJIMA KAORU , KOMATSU TAKAHIDE , SATO MOTOYASU , ISHIHARA SEIICHI , TEJIMA TOMOJI , NAKAHARA SATOSHI , HIGAKI NOBUHIRO , KURODA KIYOSHI
Abstract: PROBLEM TO BE SOLVED: To provide a control device for a supply water device, and a method for composing the control device at low cost without wasting the performance of control boards for composing a control part. SOLUTION: This control device is for a supply water device, provided with a plurality of pumps, and a control part to control the plurality of the pumps, where a sensor input and an output signal are required for controlling each pump. The control part is composed of a control board for an odd number of pumps or a combination of them, a control board for an even number of pumps or a combination of them, or a combination of control boards for an odd number and a control board for an even number in accordance with the number of pumps. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种用于供水装置的控制装置，以及低成本地组合控制装置的方法，而不浪费用于组成控制部件的控制板的性能。 解决方案：该控制装置用于具有多个泵的供水装置，以及用于控制多个泵的控制部件，其中需要传感器输入和输出信号来控制每个泵。 控制部分由奇数泵或其组合的控制板，偶数泵的控制板或它们的组合组成，或用于奇数和控制板的控制板的组合 按照泵的数量排列偶数。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2005351267A
公开(公告)日：2005-12-22
申请号：JP2005130028
申请日：2005-04-27
Applicant: Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
Inventor： HIRAIWA HIRONAO , NAKAJIMA KAORU , KOMATSU TAKAHIDE , TEJIMA TOMOJI , NAKAHARA SATOSHI , HIGAKI NOBUHIRO , KURODA KIYOSHI
Abstract: PROBLEM TO BE SOLVED: To provide a water supply device capable of continuing operation without causing inconvenience for a user of a customer even if abnormality is caused in a base board for controlling inverters.
SOLUTION: This water supply device 1 has a plurality of pumps 3, a plurality of inverters 5 for variably controlling a rotational frequency of the corresponding pump, and a control part 6 for controlling the plurality of inverters 5. The control part 6 has a plurality of control base boards 60a and 60b capable of respectively and independently controlling the plurality of inverters 5, and controls the plurality of inverters 5 by backing up by the standby other control base board 60b or 60a when the abnormality is caused in one control base board 60a or 60b in operation.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：即使在用于控制逆变器的基板中发生异常，也可以提供能够继续操作的供水装置，而不会给客户的用户带来不便。 解决方案：该供水装置1具有多个泵3，用于可变地控制相应泵的转速的多个逆变器5和用于控制多个逆变器5的控制部6.控制部6 具有能够分别独立地控制多个逆变器5的多个控制基板60a，60b，并且当在一个控制中引起异常时，由备用的其他控制基板60b或60a进行备份来控制多个逆变器5 基板60a或60b在运行。 版权所有（C）2006，JPO＆NCIPI
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Patent Agency Ranking
公开(公告)号：JP2004308499A
公开(公告)日：2004-11-04
申请号：JP2003100935
申请日：2003-04-03
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KOMATSU TAKAHIDE
Abstract: PROBLEM TO BE SOLVED: To provide a vertical centrifugal pump capable of preventing dry operation of an air lock and a mechanical seal.
SOLUTION: The pump is equipped with a casing 2 having an intake port 5 and a discharge port 6, an impeller 1 housed in the casing 2 and a mechanical seal 20 provided inside the casing 2 and arranged above the impeller 1. The casing 2 is formed at an upper end with a through hole 15 for discharging gas existing in the casing 2 along with liquid to an outside of the casing 2.
COPYRIGHT: (C)2005,JPO&NCIPI-
公开(公告)号：JP2004308176A
公开(公告)日：2004-11-04
申请号：JP2003100932
申请日：2003-04-03
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KOMATSU TAKAHIDE
Abstract: PROBLEM TO BE SOLVED: To provide a water supply system for reducing the size, weight, and manufacturing costs of the water supply system.
SOLUTION: This water supply system has a pump 1 for forcibly feeding water, a control panel 2 for controlling operation of the pump 1, and a vibration control stand 9 for absorbing vibration of the pump 1. The pump 1 and the control panel 2 are directly installed on the vibration control stand 9.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：提供一种用于减小供水系统的尺寸，重量和制造成本的供水系统。
解决方案：该供水系统具有用于强制供水的泵1，用于控制泵1的操作的控制面板2和用于吸收泵1的振动的振动控制台9.泵1和控制器 面板2直接安装在振动台9上。版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2004092438A
公开(公告)日：2004-03-25
申请号：JP2002252132
申请日：2002-08-29
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KAWAGUCHI HITOSHI , SUGITA MATSUO , YAGI KAORU , KOMATSU TAKAHIDE , NAKANIWA HIROBUMI
Abstract: PROBLEM TO BE SOLVED: To simply and inexpensively prevent water from being splashed on a control panel or the like even though water leak takes place on a mechanical seal and furthermore to easily judge if the water leak takes place on the mechanical seal.
SOLUTION: An equipment is provided with vertical type pumps 12a, 12b housing the mechanical seal inside it. It provides a notch 186 at position where the water collects when the water leak takes place on the mechanical seal of the vertical type pumps 12a, 12b. It covers surface of the notch 186 with a scattering prevention metal fitting 182 of leaking water opening downward.
COPYRIGHT: (C)2004,JPOAbstract translation: 要解决的问题：即使在机械密封上发生漏水，并且还容易地判断机械密封件上是否发生漏水，简单且廉价地防止水溅到控制面板等上。
解决方案：设备设有垂直型泵12a，12b，其中容纳机械密封件。 当在垂直型泵12a，12b的机械密封上发生漏水时，它在水收集的位置处提供槽口186。 它覆盖凹口186的表面，其中防水金属配件182的泄漏水向下开口。 版权所有（C）2004，JPO
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公开(公告)号：JP2004092437A
公开(公告)日：2004-03-25
申请号：JP2002252131
申请日：2002-08-29
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KAWAGUCHI HITOSHI , SUGITA MATSUO , YAGI KAORU , KOMATSU TAKAHIDE , NAKANIWA HIROBUMI
Abstract: PROBLEM TO BE SOLVED: To further expand a dimensional error absorbable in a fixation by restraining the transmission of pipe side vibration to the cabinet side caused by pump operation. SOLUTION: Pumps 12a and 12b and a pipe 22 connected to the suction side and the delivery side of the pumps 12a and 12b are integrally housed in a cabinet 10. When fixing at least a part of the suction side and delivery side pipe 22 of the pumps to the cabinet 10, an installing flange 90 is arranged on the pipe 22 fixed to the cabinet 10, and the installing flange 90 is fixed to a cabinet side member 96 by fastening a bolt 94 to a nut 95 while compressing a vibration control pad 92 in a state of sandwiching this installing flange 90 from both sides by the vibration control pad 92. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2004092087A
公开(公告)日：2004-03-25
申请号：JP2002252129
申请日：2002-08-29
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KAWAGUCHI HITOSHI , SUGITA MATSUO , YAGI KAORU , KOMATSU TAKAHIDE , NAKANIWA HIROBUMI
Abstract: PROBLEM TO BE SOLVED: To reduce noises without increasing the plate thickness of a cabinet itself and reduce cabinet weight.
SOLUTION: In a water supply device in which various devices such as a pump device and piping, etc. are integrally contained in the cabinet 10 having a cabinet body 12 and a cabinet cover 14, thick wall parts 76a, 76b, 80a and 80b are formed at a part of the rear face plate 72 of the cabinet body 12.
COPYRIGHT: (C)2004,JPO
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