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1. 发明专利

JP2004204834A Vertical shaft type pump 有权
标题翻译：垂直轴类型泵
公开(公告)号：JP2004204834A
公开(公告)日：2004-07-22
申请号：JP2003185036
申请日：2003-06-27
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , KUME SHOICHI , ABE SUGURU , TAKIGAWA TORU
IPC分类号： F04D13/00 , F04D29/44
摘要： PROBLEM TO BE SOLVED: To provide a vertical shaft type pump enabling air to reliably flow into a suction pipe arranged at the upstream side of an impeller, and is especially suited for an advanced stand-by operation.
SOLUTION: The vertical shaft type pump 10 comprises the impeller is rotated by a vertical rotary shaft 21; the suction pipe 31 arranged at the upstream side of the impeller 20 and has an annular air chamber 50; and an air pipe 60 with one end connected to the air chamber 50 and the other end open at a part higher than the maximum water level HWL in a water tank 1. The air chamber 50 is connected to the inside of the suction pipe 31 by an inlet 51a, air is sucked into the suction pipe 31 via an air pipe 60 and the inlet 51a according to a decrease in pressure inside the suction pipe 31, and further a turning prevention board 70 for preventing the turning of water by the impeller 20 is provided.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使空气可靠地流入布置在叶轮上游侧的吸入管的垂直轴式泵，特别适用于高级待机操作。解决方案：垂直轴式泵10包括叶轮由垂直旋转轴21旋转; 吸入管31布置在叶轮20的上游侧并具有环形空气室50; 以及空气管道60，其一端连接到空气室50，另一端在高于水箱1中的最大水位HWL的部分开口。空气室50通过以下方式连接到吸入管31的内部入口51a中，根据吸入管31内的压力降低，空气经由空气管60和入口51a吸入吸入管31，另外，防止叶轮20的水转动的回转防止板70 被提供。版权所有（C）2004，JPO＆NCIPI

2. 发明专利

JP2006189016A Storage pump 有权
标题翻译：储存泵
公开(公告)号：JP2006189016A
公开(公告)日：2006-07-20
申请号：JP2005003191
申请日：2005-01-07
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , TAKIGAWA TORU , ABE SUGURU , MUSHA HIROYUKI
IPC分类号： F04D13/00 , E03F1/00 , F04D29/046
摘要： PROBLEM TO BE SOLVED: To provide a storage pump preventing a swirl flow in an inlet, and continuously performing smooth advanced standby operation by intake from the inlet.
SOLUTION: This storage pump is provided with a pump casing 16 hanging in a water storage pit 10 and having a suction opening 26a opened downwardly, an impeller 20 rotated integrally with a shaft body 18 extending in a vertical direction in the pump casing 16, the inlet 36 arranged on a side upstream from the lower end of the impeller in the pump casing 16, and an intake pipe 38 with one end communicated with the inlet 36 and the other opened to the atmosphere. The shaft body 18 is extended to a side upstream from the lower end of the impeller 20, provided with a bearing box 42 for supporting the vicinity of the lower end of the shaft body 18 and a bearing box supporting plate 44 for connecting the bearing box 42 and the pump casing 16.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种防止入口中的涡流的储存泵，并且通过从入口吸入连续地进行平稳的高级待机操作。解决方案：该储存泵具有悬挂在储水坑10中并具有向下开口的抽吸开口26a的泵壳体16，与在泵壳体中沿垂直方向延伸的轴体18整体旋转的叶轮20 如图16所示，入口36布置在泵壳体16中从叶轮下端上游侧的入口36和一端与入口36连通的进气管38，而另一端与大气相通。轴体18延伸到叶轮20的下端的上游侧，设置有用于支撑轴体18的下端附近的轴承箱42和用于连接轴承箱的轴承箱支撑板44 42和泵壳16.版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004162558A Vertical shaft pump 有权
公开(公告)号：JP2004162558A
公开(公告)日：2004-06-10
申请号：JP2002327381
申请日：2002-11-11
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , KUME SHOICHI , ABE SUGURU , OTAKE RYOJI
IPC分类号： F04D29/043 , F04D13/00 , F04D29/04 , F04D29/60
摘要： PROBLEM TO BE SOLVED: To provide a vertical shaft pump allowing easy disassembling and assembling of a sliding member by taking out only the sliding member without taking a main shaft and the whole of an impeller out of the pump when disassembling and assembling the sliding member having a high frequency of wear or partial damage.
SOLUTION: This vertical shaft pump is provided with the main shaft 10, a bearing 28 for rotatably bearing the main shaft 10, the sliding member 30 mounted on the main shaft 10 to face the bearing 28, the impeller 12 mounted on the main shaft 10 and a guide casing 14 for storing the impeller 12 therein. In the sliding member 30, a tool mounting part 30a located on an upper side of a rear flow end of a boss part 24 of the guide casing 14 is provided.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2006250071A Storage pump and method of operating the same 审中-公开
标题翻译：储存泵及其操作方法
公开(公告)号：JP2006250071A
公开(公告)日：2006-09-21
申请号：JP2005069333
申请日：2005-03-11
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , TAKIGAWA TORU , ABE SUGURU , MUSHA HIROYUKI
IPC分类号： F04D13/00 , E03F5/22 , F04D15/00
摘要： PROBLEM TO BE SOLVED: To provide a storage pump and a method of operating the storage pump capable of continuously performing smooth pre-waiting operation by reducing the vibration of the pump resulting from the suction of air when a water level is low.
SOLUTION: This storage pump comprises a pump casing 16 having a suction port 26a opened downward, an impeller 20 rotating around its vertical axis in the pump casing 16, an inlet port 36 formed in the pump casing 16 on the upstream side of the impeller 20, and an inlet pipe 38 communicating, at its one end, with the inlet port 36. The other end of the inlet pipe 38 is branched into at least two branch pipes 40a and 40b.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种储存泵和一种操作储存泵的方法，该储存泵能够通过减少当水位低时由空气吸入引起的泵的振动，从而连续地执行平滑的预先等待操作。解决方案：该储存泵包括具有向下开口的吸入口26a的泵壳体16，围绕泵壳体16的垂直轴线旋转的叶轮20，在泵壳体16的上游侧形成的入口36 叶轮20和入口管38，入口管38在其一端与入口36连通。入口管38的另一端分支成至少两个分支管40a和40b。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2004308508A Submergible motor pump and method for operating submergible motor pump 有权
公开(公告)号：JP2004308508A
公开(公告)日：2004-11-04
申请号：JP2003101317
申请日：2003-04-04
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , KUME SHOICHI , TAKIGAWA TORU , ABE SUGURU
IPC分类号： F04D15/00 , F04D13/08
摘要： PROBLEM TO BE SOLVED: To provide a pump suitable for preceding stand-by operation and capable of facilitating operation, maintenance, and management. SOLUTION: This submergible motor pump is provided with a motor 151 arranged in the water, an impeller 120 rotated by the motor 151 to absorb water in a water tank, and a rotation speed controller 162 for changing rotation speed of the impeller 120 in accordance with a water level in the water tank. Since it is provided with the rotation speed controller, the rotation speed of the impeller can be changed in accordance with the water level in the water tank to stabilize pump operation in accordance with the water level. COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2006250004A Collective pump device 审中-公开
标题翻译：集水泵装置
公开(公告)号：JP2006250004A
公开(公告)日：2006-09-21
申请号：JP2005066378
申请日：2005-03-09
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , TAKIGAWA TORU , ABE SUGURU , MUSHA HIROYUKI
IPC分类号： F04D13/00 , F04D13/16 , F04D15/00
摘要： PROBLEM TO BE SOLVED: To provide a collective pump device capable of stably maintaining its overall operation by controlling the pumping and no-load running of each of pump devices according to an inflow amount to stabilize a water level in a water storage pit.
SOLUTION: This collective pump device comprises the plurality of pump devices 12 disposed in the water storage pit 10. Each of the pump devices 12 comprises a pump casing 18 suspended in the water storage pit 10 and an impeller 22 rotated in the pump casing 18. The collective pump device comprises an air filling device 46 feeding air into the pump casing 18 of the pump device 12 and a control device 44 controlling the feeding of air from the air filling device 46 into the pump casing 18.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过根据流入量控制每个泵装置的泵送和空载运行而稳定地维持其整体运行的集体泵装置，以稳定储水坑中的水位。解决方案：该集体泵装置包括设置在储水坑10中的多个泵装置12.每个泵装置12包括悬挂在储水坑10中的泵壳18和在泵中旋转的叶轮22 集体泵装置包括将空气输送到泵装置12的泵壳体18中的空气填充装置46和控制装置44，控制装置44控制从空气填充装置46进入泵壳体18的空气。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005090446A Vertical shaft pump with suction pipe 有权
标题翻译：带抽吸管的垂直轴泵
公开(公告)号：JP2005090446A
公开(公告)日：2005-04-07
申请号：JP2003328268
申请日：2003-09-19
申请人： Ebara Corp , 株式会社荏原製作所
发明人： ENOMOTO TAKASHI , JINNO HIDEKI , KUME SHOICHI , ABE SUGURU , TAKIGAWA TORU
IPC分类号： F04D13/00 , F04D13/08 , F04D29/42
摘要： PROBLEM TO BE SOLVED: To provide a vertical shaft pump particularly suitable for preceding stand-by operation with a suction pipe arranged on the upstream side of an impeller for reliably admitting air.
SOLUTION: The vertical shaft pump comprises the impeller 20 to be rotated via a vertical rotating shaft 21, the suction pipe 31 arranged on the upstream side of the impeller 20 to form a first flow path 36 through which water flows toward the impeller 20, and an air pipe 60a connected at one end to the suction pipe 31. The suction pipe 31 has a suction port 51a via which air is sucked into water flowing in the first flow path 36 through the air pipe 60a. The suction pipe 31 has a second flow path 37c where water reversely flows from the downstream side to the upstream side of the suction port 51a.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种特别适用于前述待机操作的垂直轴泵，其具有布置在叶轮上游侧的吸入管，用于可靠地进入空气。解决方案：垂直轴泵包括经由竖直旋转轴21旋转的叶轮20，吸入管31布置在叶轮20的上游侧，以形成水流向叶轮的第一流路36 吸入管31具有吸入口51a，通过该吸入口51a，空气被吸入通过空气配管60a在第一流路36中流动的水中。吸入管31具有从吸入口51a的下游侧向上游侧反向流动的第二流路37c。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005069048A Vertical shaft pump and method for operating the same 审中-公开
标题翻译：垂直轴泵及其操作方法
公开(公告)号：JP2005069048A
公开(公告)日：2005-03-17
申请号：JP2003297039
申请日：2003-08-21
申请人： Ebara Corp , 株式会社荏原製作所
发明人： KATO HIROYUKI , ENOMOTO TAKASHI , JINNO HIDEKI , TAKIGAWA TORU , ABE SUGURU , KUME SHOICHI , NAKANIWA HIROBUMI
IPC分类号： F04D15/00 , F04D13/00 , F04D29/24 , F04D29/44 , F04D29/66
摘要： PROBLEM TO BE SOLVED: To provide a vertical shaft pump not generating strong vibration even if a water level drops and especially suitable for advanced standby operation, and a method for operating such vertical shaft pump.
SOLUTION: The vertical shaft pump 10 for advanced standby operation is rotated by a rotary shaft 21 arranged in a vertical direction and is provided with an impeller 20 sucking water in a water tank 1 and a suction pipe 31 including a casing forming a flow passage 36 arranged in an upstream of the impeller 20 and pouring the water and having a communication opening 51 directly communicating the flow passage 36 and the water tank 1 side formed on the casing part.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004239215A Vertical shaft pump 有权
标题翻译：垂直轴泵
公开(公告)号：JP2004239215A
公开(公告)日：2004-08-26
申请号：JP2003030994
申请日：2003-02-07
申请人： Ebara Corp , 株式会社荏原製作所
发明人： JINNO HIDEKI , KUME SHOICHI , TAKIGAWA TORU , ABE SUGURU
IPC分类号： F04D13/00 , F04D29/42 , F04D29/44 , F04D29/52 , F04D29/54 , F04D29/70
摘要： PROBLEM TO BE SOLVED: To provide a vertical shaft pump, making air surely flow into a suction pipe positioned on an upstream side of an impeller, and suitable especially for advanced standby operation. SOLUTION: The vertical shaft pump 10 includes the impeller rotated by a vertical rotary shaft 21 and an air duct having one end connected to an air intake formed on the suction pipe 31 positioned on the upstream side of the impeller 20 and the other end open in a position lower than the highest water level HWL in a water tank 1 and higher than the lowest water level LWL below which air is inhaled from a lower end of the suction pipe, even when the lower end of the suction pipe is positioned lower than a surface of sucked water. The vertical shaft pump is constituted so as to inhale air according to lowering of the pressure in the suction pipe. The air is inhaled into the suction pipe 31 without blocking off the opening end of the air duct with floating materials by making an opening direction of the air duct horizontal or downward from the horizontal or by including a device interrupting the floating materials. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种垂直轴泵，使得空气确实地流入位于叶轮上游侧的吸入管，特别适用于高级待机操作。解决方案：垂直轴泵10包括由竖直旋转轴21旋转的叶轮和一端连接到位于叶轮20的上游侧的吸入管31上的进气口的风道，另一端在低于水箱1中的最高水位HWL的位置处开始并且高于最低水位LWL的位置，甚至当吸入管的下端位于吸入管的下端之下时，空气被吸入管的下端吸入低于吸水面。垂直轴泵构成为根据吸入管内的压力的降低来吸入空气。空气被吸入吸入管31中，而不会通过使空气管道的打开方向从水平方向水平或向下偏离，或者通过包括中断浮动材料的装置，而将浮动材料的空气管道的开口端堵塞。版权所有（C）2004，JPO＆NCIPI

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