BR112021005957A8 - Bomba de múltiplos estágios - Google Patents
Bomba de múltiplos estágiosInfo
- Publication number
- BR112021005957A8 BR112021005957A8 BR112021005957A BR112021005957A BR112021005957A8 BR 112021005957 A8 BR112021005957 A8 BR 112021005957A8 BR 112021005957 A BR112021005957 A BR 112021005957A BR 112021005957 A BR112021005957 A BR 112021005957A BR 112021005957 A8 BR112021005957 A8 BR 112021005957A8
- Authority
- BR
- Brazil
- Prior art keywords
- multistage pump
- pump
- discharge nozzle
- coupled
- multistage
- Prior art date
Links
- 238000005457 optimization Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
-
- 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
- F04D1/06—Multi-stage 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0011—Control, e.g. regulation, of pumps, pumping installations or systems by using valves by-pass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0027—Varying behaviour or the very pump
- F04D15/0033—By-passing by increasing clearance between impeller and its casing
-
- 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
- F04D29/046—Bearings
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- 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
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)
- Jet Pumps And Other Pumps (AREA)
Abstract
bomba de múltiplos estágios. uma bomba de múltiplos estágios (100) com otimização de propulsão axial é divulgada. a bomba de múltiplos estágios (100) inclui um bocal de descarga de bomba (101); e um sistema de desvio (102) acoplado ao bocal de descarga de bomba (101). o sistema de desvio (102) inclui uma válvula de aceleração (104) operativamente acoplada ao bocal de descarga de bomba (101) e uma tubulação de desvio (106) fornecida dentro da bomba de múltiplos estágios (100), a tubulação de desvio (106) sendo acoplada à válvula de aceleração (104) e um vão de folga (se), em que o vão de folga (se) é configurado para receber um fluxo de balanceamento através da tubulação de desvio (106) para aumentar uma pressão no vão de folga (se) para otimização da propulsão axial.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN201821036447 | 2018-09-27 | ||
IN201821036447 | 2018-09-27 | ||
PCT/IN2019/050705 WO2020065674A1 (en) | 2018-09-27 | 2019-09-26 | A multistage pump with axial thrust optimization |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112021005957A2 BR112021005957A2 (pt) | 2021-06-29 |
BR112021005957A8 true BR112021005957A8 (pt) | 2023-11-21 |
Family
ID=68165686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021005957A BR112021005957A8 (pt) | 2018-09-27 | 2019-09-26 | Bomba de múltiplos estágios |
Country Status (9)
Country | Link |
---|---|
US (1) | US11549512B2 (pt) |
EP (1) | EP3857072B1 (pt) |
JP (1) | JP2022500592A (pt) |
KR (1) | KR20210065172A (pt) |
CN (1) | CN113227583B (pt) |
BR (1) | BR112021005957A8 (pt) |
ES (1) | ES2973344T3 (pt) |
SA (1) | SA521421596B1 (pt) |
WO (1) | WO2020065674A1 (pt) |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US971851A (en) | 1905-11-28 | 1910-10-04 | Ferdinand W Krogh | Centrifugal pump. |
GB191005848A (en) * | 1909-03-12 | 1910-07-21 | Hans James Schwade | Improvements in or relating to Centrifugal Pumps. |
GB190916373A (en) * | 1909-07-13 | 1910-07-07 | Emil Schauffelberger | Improvements in and relating to Means for Balancing the End-thrust on the Rotor in Rotary Pumps, Blowers, Compressors and the like. |
FR478437A (fr) | 1914-04-17 | 1915-12-10 | The United States Light And Heating Company | Perfectionnements aux collecteurs pour machines électriques |
GB191516373A (en) | 1915-11-20 | 1916-11-02 | Stanley Parsons | Improvements in Hand Operated Trucks for the Lifting and Transport of Goods. |
DE933849C (de) * | 1952-02-10 | 1955-10-06 | Klein | Einrichtung zum Schutze von Kreiselpumpen mit hydraulischer Achsschubentlastung durch Regelung der in den Zulaufbehaelter rueckgefuehrten Entlastungsfluessigkeitsmenge |
US3464440A (en) * | 1966-03-18 | 1969-09-02 | Schroeder & Co H | Method and apparatus for protecting a pump from flow rate overloads |
GB1211243A (en) | 1966-11-12 | 1970-11-04 | Zabranska Fabryka Masz Gornicz | Axial balancing arrangement in a rotodynamic pump |
JPS5810195A (ja) | 1981-07-10 | 1983-01-20 | Hitachi Ltd | 軸推力平衡装置 |
CH669241A5 (de) | 1985-11-27 | 1989-02-28 | Sulzer Ag | Axialschub-ausgleichsvorrichtung fuer fluessigkeitspumpe. |
US4740137A (en) * | 1986-11-17 | 1988-04-26 | Dresser Industries, Inc. | Method and apparatus for improving the efficiency of centrifugal pumps |
US5591016A (en) * | 1994-11-30 | 1997-01-07 | Nikkiso Co., Ltd. | Multistage canned motor pump having a thrust balancing disk |
US6129507A (en) | 1999-04-30 | 2000-10-10 | Technology Commercialization Corporation | Method and device for reducing axial thrust in rotary machines and a centrifugal pump using same |
US7108569B2 (en) | 2003-03-19 | 2006-09-19 | Cornell Donald E | Axial flow pump or marine propulsion device |
JP4352903B2 (ja) * | 2004-01-15 | 2009-10-28 | 株式会社日立プラントテクノロジー | 一軸多段ポンプ |
CN100455824C (zh) * | 2005-01-30 | 2009-01-28 | 陆雄 | 动态调控用平衡鼓平衡轴向力的多级离心泵轴向力的方法 |
JP2007085223A (ja) * | 2005-09-21 | 2007-04-05 | Mitsubishi Heavy Ind Ltd | 軸スラストのバランス機構 |
US8016545B2 (en) | 2006-06-14 | 2011-09-13 | Fluid Equipment Development Company, Llc | Thrust balancing in a centrifugal pump |
US20090004032A1 (en) * | 2007-03-29 | 2009-01-01 | Ebara International Corporation | Deswirl mechanisms and roller bearings in an axial thrust equalization mechanism for liquid cryogenic turbomachinery |
US10178723B2 (en) | 2011-06-03 | 2019-01-08 | Cree, Inc. | Systems and methods for controlling solid state lighting devices and lighting apparatus incorporating such systems and/or methods |
JP2014074359A (ja) * | 2012-10-04 | 2014-04-24 | Ebara Corp | 多段ポンプ |
-
2019
- 2019-09-26 CN CN201980077920.4A patent/CN113227583B/zh active Active
- 2019-09-26 KR KR1020217012737A patent/KR20210065172A/ko not_active Application Discontinuation
- 2019-09-26 WO PCT/IN2019/050705 patent/WO2020065674A1/en unknown
- 2019-09-26 US US17/280,515 patent/US11549512B2/en active Active
- 2019-09-26 BR BR112021005957A patent/BR112021005957A8/pt unknown
- 2019-09-26 JP JP2021517382A patent/JP2022500592A/ja active Pending
- 2019-09-26 EP EP19783735.4A patent/EP3857072B1/en active Active
- 2019-09-26 ES ES19783735T patent/ES2973344T3/es active Active
-
2021
- 2021-03-28 SA SA521421596A patent/SA521421596B1/ar unknown
Also Published As
Publication number | Publication date |
---|---|
US11549512B2 (en) | 2023-01-10 |
CN113227583B (zh) | 2023-08-08 |
ES2973344T3 (es) | 2024-06-19 |
WO2020065674A1 (en) | 2020-04-02 |
SA521421596B1 (ar) | 2023-01-31 |
CN113227583A (zh) | 2021-08-06 |
EP3857072C0 (en) | 2024-01-03 |
US20220042513A1 (en) | 2022-02-10 |
BR112021005957A2 (pt) | 2021-06-29 |
EP3857072A1 (en) | 2021-08-04 |
JP2022500592A (ja) | 2022-01-04 |
EP3857072B1 (en) | 2024-01-03 |
KR20210065172A (ko) | 2021-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |