EP3177834A4 - Impeller with axially curving vane extensions to prevent airlock - Google Patents
Impeller with axially curving vane extensions to prevent airlock Download PDFInfo
- Publication number
- EP3177834A4 EP3177834A4 EP15829258.1A EP15829258A EP3177834A4 EP 3177834 A4 EP3177834 A4 EP 3177834A4 EP 15829258 A EP15829258 A EP 15829258A EP 3177834 A4 EP3177834 A4 EP 3177834A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- impeller
- vane extensions
- axially curving
- curving vane
- prevent airlock
- 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.)
- Withdrawn
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
- F04D9/00—Priming; Preventing vapour lock
- F04D9/001—Preventing vapour lock
- F04D9/002—Preventing vapour lock by means in the very pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/004—Priming of not self-priming pumps
- F04D9/005—Priming of not self-priming pumps by adducting or recycling liquid
-
- 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
- F04D1/14—Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
-
- 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
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
- F04D29/245—Geometry, shape for special effects
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462033814P | 2014-08-06 | 2014-08-06 | |
PCT/US2015/043982 WO2016022781A2 (en) | 2014-08-06 | 2015-08-06 | Impeller with axially curving vane extensions to prevent airlock |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3177834A2 EP3177834A2 (en) | 2017-06-14 |
EP3177834A4 true EP3177834A4 (en) | 2018-04-11 |
Family
ID=55264763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15829258.1A Withdrawn EP3177834A4 (en) | 2014-08-06 | 2015-08-06 | Impeller with axially curving vane extensions to prevent airlock |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160186758A1 (en) |
EP (1) | EP3177834A4 (en) |
CN (1) | CN106715915B (en) |
AU (2) | AU2015300990A1 (en) |
CA (1) | CA2957279C (en) |
MX (1) | MX2017001588A (en) |
SA (1) | SA517380848B1 (en) |
WO (1) | WO2016022781A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10087946B2 (en) * | 2016-02-09 | 2018-10-02 | Brunswick Corporation | Centrifugal pumps having anti-air-locking features |
KR101757440B1 (en) * | 2017-01-24 | 2017-07-12 | 이제이콥부희 | Cavitation pump unit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4275988A (en) * | 1978-12-18 | 1981-06-30 | Kalashnikov L F | Axial or worm-type centrifugal impeller pump |
DE4325549A1 (en) * | 1993-07-29 | 1995-02-02 | Brinkmann Pumpen K H Brinkmann | Centrifugal pump |
US5615997A (en) * | 1995-09-07 | 1997-04-01 | Kvaerner Pulping Technologies Aktiebolag | Pump for pumping fibrous pulp suspension |
US20040175265A1 (en) * | 2003-03-05 | 2004-09-09 | K.H. Brinkmann Gmbh & Co. Kg | Rotary pump with vented pump chamber |
WO2008116239A1 (en) * | 2007-03-27 | 2008-10-02 | Andritz Ag | Method and device for pumping gas-containing suspensions |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2850984A (en) * | 1956-02-13 | 1958-09-09 | Edwards | Vapor expelling pump |
US3417929A (en) * | 1966-02-08 | 1968-12-24 | Secrest Mfg Company | Comminuting pumps |
SE467466B (en) * | 1989-03-29 | 1992-07-20 | Kamyr Ab | DEVICE FOR FLUIDIZATION, GAS SEPARATION AND PUMPING OF A SUSPENSION OF FIBER-containing CELLULO MATERIAL, AND ITS APPLICATION |
US5312224A (en) * | 1993-03-12 | 1994-05-17 | International Business Machines Corporation | Conical logarithmic spiral viscosity pump |
FI111023B (en) * | 1998-12-30 | 2003-05-15 | Sulzer Pumpen Ag | Method and apparatus for pumping material and rotor used in connection with the apparatus |
CN2700607Y (en) * | 2004-05-24 | 2005-05-18 | 株洲鑫龙石化设备有限公司 | Hydraulic submersible pump |
ATE385290T1 (en) * | 2005-12-21 | 2008-02-15 | Grundfos Management As | IMPELLER FOR A PUMP UNIT AND ASSOCIATED PUMP UNIT |
JP4894438B2 (en) * | 2006-09-28 | 2012-03-14 | 日本電産株式会社 | Centrifugal pump |
CN105864054B (en) * | 2007-05-21 | 2018-06-26 | 伟尔矿物澳大利亚私人有限公司 | A kind of impeller of pump with shaft |
AT510538B1 (en) * | 2010-09-27 | 2013-02-15 | Andritz Ag Maschf | CENTRIFUGAL PUMP |
US9303647B2 (en) * | 2011-08-15 | 2016-04-05 | Dale A. Conway | Centrifugal pump anti-air locking system |
-
2015
- 2015-08-06 CA CA2957279A patent/CA2957279C/en active Active
- 2015-08-06 AU AU2015300990A patent/AU2015300990A1/en not_active Abandoned
- 2015-08-06 EP EP15829258.1A patent/EP3177834A4/en not_active Withdrawn
- 2015-08-06 CN CN201580050050.3A patent/CN106715915B/en active Active
- 2015-08-06 US US14/819,800 patent/US20160186758A1/en active Pending
- 2015-08-06 WO PCT/US2015/043982 patent/WO2016022781A2/en active Application Filing
- 2015-08-06 MX MX2017001588A patent/MX2017001588A/en unknown
-
2017
- 2017-02-06 SA SA517380848A patent/SA517380848B1/en unknown
-
2019
- 2019-05-28 AU AU2019203725A patent/AU2019203725B2/en not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4275988A (en) * | 1978-12-18 | 1981-06-30 | Kalashnikov L F | Axial or worm-type centrifugal impeller pump |
DE4325549A1 (en) * | 1993-07-29 | 1995-02-02 | Brinkmann Pumpen K H Brinkmann | Centrifugal pump |
US5615997A (en) * | 1995-09-07 | 1997-04-01 | Kvaerner Pulping Technologies Aktiebolag | Pump for pumping fibrous pulp suspension |
US20040175265A1 (en) * | 2003-03-05 | 2004-09-09 | K.H. Brinkmann Gmbh & Co. Kg | Rotary pump with vented pump chamber |
WO2008116239A1 (en) * | 2007-03-27 | 2008-10-02 | Andritz Ag | Method and device for pumping gas-containing suspensions |
Also Published As
Publication number | Publication date |
---|---|
US20160186758A1 (en) | 2016-06-30 |
AU2015300990A1 (en) | 2017-02-23 |
EP3177834A2 (en) | 2017-06-14 |
CA2957279C (en) | 2020-08-04 |
CN106715915B (en) | 2020-01-17 |
SA517380848B1 (en) | 2022-02-28 |
WO2016022781A3 (en) | 2016-05-19 |
MX2017001588A (en) | 2017-09-01 |
AU2019203725B2 (en) | 2020-09-10 |
CA2957279A1 (en) | 2016-02-11 |
WO2016022781A2 (en) | 2016-02-11 |
CN106715915A (en) | 2017-05-24 |
AU2019203725A1 (en) | 2019-06-20 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20170202 |
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Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20180314 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/22 20060101ALI20180308BHEP Ipc: F04D 9/00 20060101AFI20180308BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20210528 |
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Effective date: 20230322 |
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18D | Application deemed to be withdrawn |
Effective date: 20230802 |