BR112018068267A2 - bomba centrífuga com meios de equilíbrio e método de equilibrar forças axiais da bomba centrífuga - Google Patents
bomba centrífuga com meios de equilíbrio e método de equilibrar forças axiais da bomba centrífugaInfo
- Publication number
- BR112018068267A2 BR112018068267A2 BR112018068267A BR112018068267A BR112018068267A2 BR 112018068267 A2 BR112018068267 A2 BR 112018068267A2 BR 112018068267 A BR112018068267 A BR 112018068267A BR 112018068267 A BR112018068267 A BR 112018068267A BR 112018068267 A2 BR112018068267 A2 BR 112018068267A2
- Authority
- BR
- Brazil
- Prior art keywords
- centrifugal pump
- balancing
- axial forces
- balancing means
- disk
- Prior art date
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
- F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust 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
- F04D29/04—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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
- F04D29/0473—Bearings hydrostatic; hydrodynamic for radial 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
- F04D29/18—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
- 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
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/29—Three-dimensional machined; miscellaneous
- F05D2250/294—Three-dimensional machined; miscellaneous grooved
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
a presente invenção refere-se a bombas centrífugas de estágio único ou de múltiplos estágios que apresentam um novo meio tipo disco para equilibrar as forças axiais da bomba. o meio de equilíbrio tipo disco é provido com pelo menos uma ranhura anular (54) em pelo menos uma das contrassuperfícies não axiais (50) e (52) do disco de equilíbrio (22) e do contramembro (28).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16160876 | 2016-03-17 | ||
PCT/EP2017/055118 WO2017157702A1 (en) | 2016-03-17 | 2017-03-06 | A centrifugal pump with balancing means and a method of balancing axial forces of the centrifugal pump |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018068267A2 true BR112018068267A2 (pt) | 2019-01-15 |
Family
ID=55542571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018068267A BR112018068267A2 (pt) | 2016-03-17 | 2017-03-06 | bomba centrífuga com meios de equilíbrio e método de equilibrar forças axiais da bomba centrífuga |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190063450A1 (pt) |
EP (1) | EP3430270B1 (pt) |
CN (1) | CN108779782A (pt) |
BR (1) | BR112018068267A2 (pt) |
RU (1) | RU2018132444A (pt) |
WO (1) | WO2017157702A1 (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019206580A1 (en) | 2018-04-25 | 2019-10-31 | Sulzer Management Ag | A balance ring, a balancing device, a centrifugal pump and a method of balancing an axial thrust of the centrifugal pump |
CN109058103A (zh) * | 2018-09-25 | 2018-12-21 | 宁波鲍斯能源装备股份有限公司 | 喷水式螺杆压缩机 |
DE102019001120A1 (de) * | 2019-02-15 | 2020-08-20 | KSB SE & Co. KGaA | Entlastungseinrichtung |
CN114508393B (zh) * | 2021-12-27 | 2023-07-18 | 东方电气集团东方汽轮机有限公司 | 甩负荷时轴向推力为零的汽缸、一次及二次再热汽轮机 |
CN116447166A (zh) * | 2023-04-19 | 2023-07-18 | 烟台东德实业有限公司 | 一种空气压缩机叶轮轴向力平衡方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE539225C (de) * | 1931-11-26 | Georg Weyland | Axialschubentlastung mittels stufenfoermiger Entlastungsscheiben | |
US1499056A (en) * | 1922-07-05 | 1924-06-24 | Hollander Aladar | Centrifugal pump |
DE470581C (de) * | 1924-05-15 | 1929-01-22 | Ernst Holland | Vorrichtung zur Axialdruckentlastung |
DE867933C (de) * | 1941-03-09 | 1953-03-05 | Siemens Ag | Pump-Spaltdichtung |
DE1082803B (de) * | 1957-04-27 | 1960-06-02 | Rudolf Duemmerling | Entlastungsscheibenpaar fuer mehrstufige Kreiselpumpen |
US6309174B1 (en) * | 1997-02-28 | 2001-10-30 | Fluid Equipment Development Company, Llc | Thrust bearing for multistage centrifugal pumps |
DE10058499A1 (de) * | 2000-11-24 | 2002-05-29 | Ksb Ag | Gleitlager für eine Kreiselpumpe |
-
2017
- 2017-03-06 WO PCT/EP2017/055118 patent/WO2017157702A1/en active Application Filing
- 2017-03-06 EP EP17707915.9A patent/EP3430270B1/en active Active
- 2017-03-06 RU RU2018132444A patent/RU2018132444A/ru not_active Application Discontinuation
- 2017-03-06 BR BR112018068267A patent/BR112018068267A2/pt not_active Application Discontinuation
- 2017-03-06 US US16/081,471 patent/US20190063450A1/en not_active Abandoned
- 2017-03-06 CN CN201780014882.9A patent/CN108779782A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3430270B1 (en) | 2019-11-13 |
RU2018132444A3 (pt) | 2020-05-19 |
WO2017157702A1 (en) | 2017-09-21 |
US20190063450A1 (en) | 2019-02-28 |
CN108779782A (zh) | 2018-11-09 |
RU2018132444A (ru) | 2020-04-17 |
EP3430270A1 (en) | 2019-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] |