EP3177834A4 - Impeller with axially curving vane extensions to prevent airlock - Google Patents

Impeller with axially curving vane extensions to prevent airlock Download PDF

Info

Publication number: EP3177834A4
Authority: EP; European Patent Office
Prior art keywords: impeller; vane extensions; axially curving; curving vane; prevent airlock
Prior art date: 2014-08-06
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP15829258.1A

Other languages

German (de)

French (fr)

Other versions

EP3177834A2 (en

Inventor

Jeffrey D. Lopes

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Flow Control LLC

Original Assignee

Flow Control LLC

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.)

2014-08-06

Filing date

2015-08-06

Publication date

2018-04-11

2015-08-06 Application filed by Flow Control LLC filed Critical Flow Control LLC

2017-06-14 Publication of EP3177834A2 publication Critical patent/EP3177834A2/en

2018-04-11 Publication of EP3177834A4 publication Critical patent/EP3177834A4/en

Status Withdrawn legal-status Critical Current

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)

EP15829258.1A 2014-08-06 2015-08-06 Impeller with axially curving vane extensions to prevent airlock Withdrawn EP3177834A4 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Legal Events

Date	Code	Title	Description
2017-02-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2017-05-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2017-05-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2017-06-14	17P	Request for examination filed	Effective date: 20170202
2017-06-14	AK	Designated contracting states	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
2017-06-14	AX	Request for extension of the european patent	Extension state: BA ME
2017-11-15	DAV	Request for validation of the european patent (deleted)
2017-11-15	DAX	Request for extension of the european patent (deleted)
2018-04-11	A4	Supplementary search report drawn up and despatched	Effective date: 20180314
2018-04-11	RIC1	Information provided on ipc code assigned before grant	Ipc: F04D 29/22 20060101ALI20180308BHEP Ipc: F04D 9/00 20060101AFI20180308BHEP
2021-05-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2021-06-30	17Q	First examination report despatched	Effective date: 20210528
2021-12-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2023-03-21	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2023-03-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2023-04-19	INTG	Intention to grant announced	Effective date: 20230322
2023-12-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2024-01-10	18D	Application deemed to be withdrawn	Effective date: 20230802

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