JP2005105897A5 - - Google Patents

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Publication number
JP2005105897A5
JP2005105897A5 JP2003338540A JP2003338540A JP2005105897A5 JP 2005105897 A5 JP2005105897 A5 JP 2005105897A5 JP 2003338540 A JP2003338540 A JP 2003338540A JP 2003338540 A JP2003338540 A JP 2003338540A JP 2005105897 A5 JP2005105897 A5 JP 2005105897A5
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JP
Japan
Prior art keywords
pump
bearing
housing
motor
introduction path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003338540A
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Japanese (ja)
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JP4300088B2 (en
JP2005105897A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2003338540A priority Critical patent/JP4300088B2/en
Priority claimed from JP2003338540A external-priority patent/JP4300088B2/en
Priority to EP04023215A priority patent/EP1519053A3/en
Priority to US10/954,120 priority patent/US20050069434A1/en
Publication of JP2005105897A publication Critical patent/JP2005105897A/en
Publication of JP2005105897A5 publication Critical patent/JP2005105897A5/ja
Application granted granted Critical
Publication of JP4300088B2 publication Critical patent/JP4300088B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (2)

取扱い流体を吐出するポンプと、前記ポンプの上方にあってこれを駆動するモータとを有する、サブマージドポンプであって、
前記モータはハウジングに納められ、前記モータのシャフトはその上端付近を軸受にて支持され、
さらに、前記ポンプが吐出した取扱い流体を、前記シャフトの上端付近より、前記軸受を通過させて前記ハウジング内へと導く導入路と、
前記導入路の前記軸受下流側に設けられ、導入路の流路抵抗を高める絞り構造と、
を有するサブマージドポンプ。 A submerged pump having a pump for discharging a handling fluid and a motor above and driving the pump;
The motor is housed in a housing, the shaft of the motor is supported by a bearing near its upper end,
Furthermore, the introduction path for guiding the handling fluid which the pump is discharged, Previous upper end near the carboxy Yafuto, the housing is passed through the bearing,
A throttle structure that is provided on the bearing downstream side of the introduction path and increases the flow resistance of the introduction path;
Having a submerged pump. 請求項１に記載のサブマージドポンプであって、前記ハウジング内の取扱い流体をポンプに戻す環流路を有し、前記環流路の前記ハウジング側の入口は、前記軸受より高い位置に配置されている、サブマージドポンプ。   2. The submerged pump according to claim 1, further comprising an annular flow path for returning a handling fluid in the housing to the pump, and an inlet on the housing side of the annular flow path being disposed at a position higher than the bearing. Submerged pump.
JP2003338540A 2003-09-29 2003-09-29 Submerged pump Expired - Lifetime JP4300088B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003338540A JP4300088B2 (en) 2003-09-29 2003-09-29 Submerged pump
EP04023215A EP1519053A3 (en) 2003-09-29 2004-09-29 A submerged pump having a bearing lubricated by discharged fluid
US10/954,120 US20050069434A1 (en) 2003-09-29 2004-09-29 Submerged pump having a bearing lubricated by discharged fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003338540A JP4300088B2 (en) 2003-09-29 2003-09-29 Submerged pump

Publications (3)

Publication Number Publication Date
JP2005105897A JP2005105897A (en) 2005-04-21
JP2005105897A5 true JP2005105897A5 (en) 2005-11-24
JP4300088B2 JP4300088B2 (en) 2009-07-22

Family

ID=34191594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003338540A Expired - Lifetime JP4300088B2 (en) 2003-09-29 2003-09-29 Submerged pump

Country Status (3)

Country Link
US (1) US20050069434A1 (en)
EP (1) EP1519053A3 (en)
JP (1) JP4300088B2 (en)

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DE102008018407B4 (en) * 2008-04-10 2012-03-22 Joh. Heinr. Bornemann Gmbh Underwater delivery unit
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CN102062107B (en) * 2010-12-13 2012-08-29 甘肃银光聚银化工有限公司 Multi-stage axial flow submerged pump with long shaft and method for conveying phosgene
US20120224985A1 (en) * 2011-03-02 2012-09-06 Baker Hughes Incorporated Electric submersible pump floating ring bearing and method to assemble same
DE102013200597B4 (en) * 2012-01-19 2021-08-19 Danfoss (Tianjin) Ltd. Compressor and method of assembling such a compressor
CN102996469B (en) * 2012-12-24 2015-09-30 成都安迪生测量有限公司 A kind of low temperature immersed pump of multi-head spiral sealing
CN103573651B (en) * 2013-11-08 2017-02-08 成都安迪生测量有限公司 LNG immersed pump
CN103618414A (en) * 2013-12-26 2014-03-05 大连深蓝泵业有限公司 Novel low-temperature immersed motor
CN103629144A (en) * 2013-12-26 2014-03-12 大连深蓝泵业有限公司 Vertical submerged pump bearing protection device
JP6339422B2 (en) * 2014-06-10 2018-06-06 エア・ウォーター株式会社 Fluid pump
CN105298824A (en) * 2014-06-27 2016-02-03 安瑞科(廊坊)能源装备集成有限公司 Liquefied natural gas (LNG) immersed pump system
CN105756957A (en) * 2016-04-18 2016-07-13 大连深蓝泵业有限公司 Shafting supporting structure of electrical ultra-low temperature immersed pump for ocean working condition
US11274679B2 (en) * 2017-02-14 2022-03-15 Danfoss A/S Oil free centrifugal compressor for use in low capacity applications
NO346033B1 (en) 2018-12-20 2022-01-10 Fsubsea As Subsea pump system with process lubricated bearings, related method and use
CA3202585A1 (en) * 2020-11-27 2022-06-02 Ebara Corporation Fluid-path switching apparatus and method of preventing idling rotation of submersible pump

Family Cites Families (9)

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US1486842A (en) * 1920-10-30 1924-03-11 Midwest Engine Corp Lubricating system for deep-well pumps
US1953447A (en) * 1930-08-23 1934-04-03 A D Cook Inc Water lubrication system for deep well turbine pumps
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JPS58192997A (en) * 1982-05-07 1983-11-10 Hitachi Ltd Vertical motor pump
CN1005348B (en) * 1987-03-23 1989-10-04 核工业部第二研究设计院 Shielded pump
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JP4842456B2 (en) * 2001-06-14 2011-12-21 日機装株式会社 Wet motor pump
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