KR20230107360A - 유로 전환 장치 및 잠몰식 펌프의 공전을 방지하기 위한 방법 - Google Patents

유로 전환 장치 및 잠몰식 펌프의 공전을 방지하기 위한 방법 Download PDF

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Publication number
KR20230107360A
KR20230107360A KR1020237021032A KR20237021032A KR20230107360A KR 20230107360 A KR20230107360 A KR 20230107360A KR 1020237021032 A KR1020237021032 A KR 1020237021032A KR 20237021032 A KR20237021032 A KR 20237021032A KR 20230107360 A KR20230107360 A KR 20230107360A
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KR
South Korea
Prior art keywords
flow path
gas
suction
submersible pump
suction container
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.)
Pending
Application number
KR1020237021032A
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English (en)
Korean (ko)
Inventor
슈이치로 혼다
데츠지 가사타니
하야토 이케다
미츠타카 이와미
Original Assignee
가부시키가이샤 에바라 세이사꾸쇼
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 가부시키가이샤 에바라 세이사꾸쇼 filed Critical 가부시키가이샤 에바라 세이사꾸쇼
Publication of KR20230107360A publication Critical patent/KR20230107360A/ko
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00Priming; Preventing vapour lock
    • F04D9/001Preventing vapour lock
    • F04D9/002Preventing vapour lock by means in the very pump
    • F04D9/003Preventing vapour lock by means in the very pump separating and removing the vapour
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0011Control, e.g. regulation, of pumps, pumping installations or systems by using valves by-pass valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44Fluid-guiding means, e.g. diffusers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44Fluid-guiding means, e.g. diffusers
    • F04D29/445Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06Multi-stage pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/50Inlet or outlet
    • F05D2250/52Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
KR1020237021032A 2020-11-27 2021-08-27 유로 전환 장치 및 잠몰식 펌프의 공전을 방지하기 위한 방법 Pending KR20230107360A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020196643 2020-11-27
JPJP-P-2020-196643 2020-11-27
PCT/JP2021/031502 WO2022113450A1 (ja) 2020-11-27 2021-08-27 流路切り替え装置および潜没式ポンプの空転を防止するための方法

Publications (1)

Publication Number Publication Date
KR20230107360A true KR20230107360A (ko) 2023-07-14

Family

ID=81754502

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237021032A Pending KR20230107360A (ko) 2020-11-27 2021-08-27 유로 전환 장치 및 잠몰식 펌프의 공전을 방지하기 위한 방법

Country Status (8)

Country Link
US (1) US20240011492A1 (https=)
EP (1) EP4253759A4 (https=)
JP (2) JP7780452B2 (https=)
KR (1) KR20230107360A (https=)
CN (1) CN116529489A (https=)
AU (1) AU2021386726A1 (https=)
CA (1) CA3202585A1 (https=)
WO (1) WO2022113450A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7804533B2 (ja) 2022-05-26 2026-01-22 株式会社荏原製作所 直列に連結されたポンプ装置の始動方法および停止方法
CN119213222A (zh) * 2022-05-26 2024-12-27 株式会社荏原制作所 泵装置的干燥方法、降温方法以及升温方法
TW202447080A (zh) * 2023-04-26 2024-12-01 日商荏原製作所股份有限公司 泵浦裝置及泵浦系統
CN117783454B (zh) * 2024-02-28 2024-04-23 陕西省环境监测中心站 一种实时定量检测的污染源有机气体检测装置
JP2025158326A (ja) * 2024-04-04 2025-10-17 株式会社荏原製作所 ポンプ装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59159795A (ja) 1983-03-04 1984-09-10 Yakult Honsha Co Ltd 微生物変換による抱合型ウルソデオキシコ−ル酸の製造方法

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DE2103948A1 (de) * 1971-01-28 1972-09-14 Kupex Ag Automatisches Ventil
JPS582497A (ja) * 1981-06-29 1983-01-08 Nikkiso Co Ltd ピツトバレル型ポンプの自動ガス抜き装置
JPS59159795U (ja) 1983-04-12 1984-10-26 株式会社荏原製作所 サブマ−ジドモ−タポンプ
JPS61162579U (https=) * 1985-03-29 1986-10-08
JPS6231680U (https=) 1985-08-09 1987-02-25
JPH076510B2 (ja) * 1987-04-17 1995-01-30 株式会社日立製作所 液量制限弁を備えた液封式気体ポンプ
JPH06307376A (ja) * 1993-04-22 1994-11-01 Hitachi Ltd 液化ガスタンク用潜没ポンプ装置
JP3232999B2 (ja) * 1996-02-14 2001-11-26 株式会社日立製作所 液化ガスタンク用潜没ポンプ装置
CN2525286Y (zh) * 2001-11-21 2002-12-11 山西天海泵业有限公司 潜水泵用自动防倒转装置
JP4273254B2 (ja) * 2002-06-25 2009-06-03 Smc株式会社 起動時吐出性能を改善した浸漬式ポンプ
JP4300088B2 (ja) * 2003-09-29 2009-07-22 日機装株式会社 サブマージドポンプ
KR100722508B1 (ko) * 2005-07-08 2007-05-29 이윤호 수격작용 예방수단을 가진 수중모터펌프
JP2007024166A (ja) * 2005-07-15 2007-02-01 Taiyo Nippon Sanso Corp 低温液化ガス供給装置
GB2434385B (en) * 2006-01-19 2010-07-14 Schlumberger Holdings Wellbore system and method using a flow-actuated diverter valve
CN201358922Y (zh) * 2008-12-25 2009-12-09 上海交通大学 输送液化天然气的潜液式低温泵
US8651836B2 (en) * 2011-04-08 2014-02-18 Baker Hughes Incorporated Torque transmitting rings for sleeves in electrical submersible pumps
US20120257995A1 (en) * 2011-04-11 2012-10-11 True Bryan R Submersible pump and motor rotation indication circuit
CN207989809U (zh) * 2018-02-09 2018-10-19 广东美的生活电器制造有限公司 三通阀和饮品机
EP3739210A1 (en) * 2019-05-16 2020-11-18 Cryostar SAS Apparatus for pumping cryogenic fluids
CN210484680U (zh) * 2019-08-19 2020-05-08 常州埃姆基冷冻设备有限公司 油温调节阀

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59159795A (ja) 1983-03-04 1984-09-10 Yakult Honsha Co Ltd 微生物変換による抱合型ウルソデオキシコ−ル酸の製造方法

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Publication number Publication date
US20240011492A1 (en) 2024-01-11
EP4253759A4 (en) 2024-10-30
AU2021386726A9 (en) 2024-05-02
WO2022113450A1 (ja) 2022-06-02
EP4253759A1 (en) 2023-10-04
JP7780452B2 (ja) 2025-12-04
JP2026015590A (ja) 2026-01-29
AU2021386726A1 (en) 2023-06-29
CN116529489A (zh) 2023-08-01
CA3202585A1 (en) 2022-06-02
JPWO2022113450A1 (https=) 2022-06-02

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