JP2014521889A - 軸推力を生じる両吸込羽根車を備えるポンプ - Google Patents
軸推力を生じる両吸込羽根車を備えるポンプ Download PDFInfo
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- JP2014521889A JP2014521889A JP2014526080A JP2014526080A JP2014521889A JP 2014521889 A JP2014521889 A JP 2014521889A JP 2014526080 A JP2014526080 A JP 2014526080A JP 2014526080 A JP2014526080 A JP 2014526080A JP 2014521889 A JP2014521889 A JP 2014521889A
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- Prior art keywords
- shroud
- pump casing
- pump
- isolation
- suction
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
- F04D29/0416—Axial thrust balancing balancing pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/11—Kind or type liquid, i.e. incompressible
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
【選択図】 図2
Description
本出願は、2011年8月11日に出願された、米国特許出願第13/207,473号(代理人整理番号911−002.043−1(F−GI−1102US))に対する利益を主張し、これは本明細書において参照としてその全体を組み込まれる。
本発明は、ポンプ、若しくはポンプアセンブリ、構成、又は組み合わせに関連し、特に、このようなポンプ若しくはポンプアセンブリ、構成、又は組み合わせにおいて、軸推力をもたらす新技術(例えば、垂直両吸ンプを含む)に関する。
1)張力下で、ポンプシャフトに適用される軸推力は、ローターシステムのローター動剛性を増加させる。
2)ポンプシャフトに適用される軸推力は、ポンプ回転要素の静的要素への内部位置合わせを改善する。
−張力下においてポンプシャフトに適用される軸推力は、ローターシステムのローター動剛性を増加させ、よってポンプの信頼性を向上させる。
−張力下においてポンプシャフトに適用される軸推力は、ポンプローターとケーシングとの内部の位置合わせを改善させ、よって軸受け及びシャフトの摩耗寿命を改善する。
−羽根車とポンプケーシング壁部との間の隔離環状部の対を導入することにより、ポンプの内部漏れが低減し、これは体積効率、及び全体的なポンプ効率を改善する。
−羽根車とポンプケーシング壁部との間の隔離環状部の対を導入することにより、ポンプケーシング再循環からの二次流れが減衰し、このような流れが、羽根車のシュラウドに衝突しないように隔離する。これは、ポンプローターシステムへの望ましくない軸方向の振動を緩和する。
−羽根車上の隔離環状部を構成する金属リングは、羽根車外径部の最小トリム値に位置する。これは、羽根車が、本発明の利益を損なうことなく、様々なトリム直径を有することを可能にする。
本明細書において別に記載されない限り、本明細書における、特定の実施形態に関して記載される、機構、特徴、代替、又は修正のいずれかがまた、本明細書において記載される他のいずれかの実施形態と共に適用され、使用され、又は組み込まれ得ることが理解されるべきである。また、本明細書における図面は縮尺通りではない。
Claims (6)
- 垂直な両吸込ポンプを含む装置であって、
ポンプケーシング壁部を有するポンプケーシングと、
両吸込羽根車であって、前記ポンプケーシング内でシャフト上に配置され、前記両吸込羽根車と前記ポンプケーシングの前記ポンプケーシング壁部との間に、上方隔離環状部及び下方隔離環状部を形成するように構成された、金属リムを備える上方シュラウド及び下方シュラウドを有し、これにより羽根車放出部からの再循環流を阻止して、前記上方及び前記下方シュラウドに作用し、前記上方及び前記下方シュラウドへの差別的水圧による制御された軸推力を生じることができる、両吸込羽根車とを含む、装置。 - 前記上方及び前記下方隔離環状部は、前記両吸込羽根車の回転軸と平行な方向に差圧を生じるために、前記両吸込羽根車の前記上方シュラウドと前記下方シュラウドとの間で形状が異なっている、請求項1に記載の装置。
- 前記上方及び前記下方隔離環状部が、概して前記回転軸の方向に実質的な水推力を有さない、前記両吸込羽根車への前記制御された軸推力を生じるように構成されている、請求項2に記載の装置。
- 前記金属リムは、前記両吸込羽根車の外径に対する最小トリム値に位置するように構成される、請求項1に記載の装置。
- 前記上方隔離環状部又はリング、及び前記下方隔離環状部又はリングは、少なくとも一部が前記シャフトに向かって延びる、前記上方シュラウド又は前記下方シュラウドの隔離区分を形成するように構成されている、請求項1に記載の装置。
- 前記金属リムは、前記上方シュラウド、又は前記下方シュラウドの周囲に実質的に完全に延びるように構成されている、請求項1に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/207,473 | 2011-08-11 | ||
US13/207,473 US9377027B2 (en) | 2011-08-11 | 2011-08-11 | Vertical double-suction pump having beneficial axial thrust |
PCT/US2012/050132 WO2013023050A1 (en) | 2011-08-11 | 2012-08-09 | Pump with double- suction impeller generating axial thrust |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014521889A true JP2014521889A (ja) | 2014-08-28 |
JP2014521889A5 JP2014521889A5 (ja) | 2016-05-12 |
JP6184955B2 JP6184955B2 (ja) | 2017-08-23 |
Family
ID=47076348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014526080A Active JP6184955B2 (ja) | 2011-08-11 | 2012-08-09 | 軸推力を生じる両吸込羽根車を備えるポンプ |
Country Status (9)
Country | Link |
---|---|
US (1) | US9377027B2 (ja) |
EP (1) | EP2742242B1 (ja) |
JP (1) | JP6184955B2 (ja) |
KR (1) | KR101809676B1 (ja) |
CN (1) | CN104024641B (ja) |
ES (1) | ES2689763T3 (ja) |
MX (1) | MX341287B (ja) |
RU (1) | RU2600485C2 (ja) |
WO (1) | WO2013023050A1 (ja) |
Families Citing this family (7)
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US9739284B2 (en) * | 2013-11-19 | 2017-08-22 | Charles Wayne Zimmerman | Two piece impeller centrifugal pump |
CN105697381A (zh) * | 2014-11-28 | 2016-06-22 | 上海凯士比泵有限公司 | 立式动悬浮泵 |
CN109863308B (zh) | 2016-08-10 | 2020-09-15 | 可克斯塔特国际股份有限公司 | 模块化多级泵组件 |
US10690139B2 (en) | 2017-05-10 | 2020-06-23 | Itt Manufacturing Enterprises Llc | Multi-stage pump with enhanced thrust balancing features |
US10816008B1 (en) * | 2018-04-20 | 2020-10-27 | Gregg Keener | Dual stage grinder pump |
US10865802B2 (en) * | 2018-05-09 | 2020-12-15 | Philip Wessels | Double-sided single impeller with dual intake pump |
RU204897U1 (ru) * | 2021-02-08 | 2021-06-17 | Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") | Центробежное рабочее колесо с двухсторонним входом |
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2011
- 2011-08-11 US US13/207,473 patent/US9377027B2/en active Active
-
2012
- 2012-08-09 WO PCT/US2012/050132 patent/WO2013023050A1/en active Application Filing
- 2012-08-09 JP JP2014526080A patent/JP6184955B2/ja active Active
- 2012-08-09 ES ES12778475.9T patent/ES2689763T3/es active Active
- 2012-08-09 KR KR1020147003578A patent/KR101809676B1/ko active IP Right Grant
- 2012-08-09 RU RU2014104586/06A patent/RU2600485C2/ru active
- 2012-08-09 MX MX2014001660A patent/MX341287B/es active IP Right Grant
- 2012-08-09 CN CN201280039310.3A patent/CN104024641B/zh active Active
- 2012-08-09 EP EP12778475.9A patent/EP2742242B1/en active Active
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JPS5829197U (ja) * | 1981-08-20 | 1983-02-25 | 株式会社クボタ | 立軸両吸込うず巻ポンプ |
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Also Published As
Publication number | Publication date |
---|---|
JP6184955B2 (ja) | 2017-08-23 |
CN104024641B (zh) | 2017-02-08 |
US9377027B2 (en) | 2016-06-28 |
ES2689763T3 (es) | 2018-11-15 |
KR20140057549A (ko) | 2014-05-13 |
WO2013023050A1 (en) | 2013-02-14 |
EP2742242A1 (en) | 2014-06-18 |
MX2014001660A (es) | 2014-03-21 |
KR101809676B1 (ko) | 2017-12-15 |
RU2014104586A (ru) | 2015-09-20 |
CN104024641A (zh) | 2014-09-03 |
EP2742242B1 (en) | 2018-07-04 |
MX341287B (es) | 2016-08-12 |
RU2600485C2 (ru) | 2016-10-20 |
US20130039754A1 (en) | 2013-02-14 |
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