CA2839472C - Improvements to pumps and components therefor - Google Patents

Improvements to pumps and components therefor Download PDF

Info

Publication number: CA2839472C
Authority: CA; Canada
Prior art keywords: region; impeller; face; front shroud; rear face
Prior art date: 2011-07-20
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.): Active

Application number

CA2839472A

Other languages

English (en)

French (fr)

Other versions

CA2839472A1 (en

Inventor

Luis Moscoso Lavagna

Garry Bruce Glaves

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.)

Weir Minerals Australia Ltd

Original Assignee

Weir Minerals Australia Ltd

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.)

2011-07-20

Filing date

2012-07-20

Publication date

2019-10-01

2011-07-20 Priority claimed from AU2011902894A external-priority patent/AU2011902894A0/en

2012-07-20 Application filed by Weir Minerals Australia Ltd filed Critical Weir Minerals Australia Ltd

2013-01-24 Publication of CA2839472A1 publication Critical patent/CA2839472A1/en

2019-10-01 Application granted granted Critical

2019-10-01 Publication of CA2839472C publication Critical patent/CA2839472C/en

Status Active legal-status Critical Current

2032-07-20 Anticipated expiration legal-status Critical

Links

238000005086 pumping Methods 0.000 claims description 22
230000007704 transition Effects 0.000 claims description 22
239000002002 slurry Substances 0.000 claims description 16
230000007423 decrease Effects 0.000 claims description 3
230000002093 peripheral effect Effects 0.000 claims description 3
238000000034 method Methods 0.000 description 3
239000002245 particle Substances 0.000 description 3
230000008569 process Effects 0.000 description 3
238000006073 displacement reaction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
229920001971 elastomer Polymers 0.000 description 2
239000000806 elastomer Substances 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000007792 addition Methods 0.000 description 1
230000004075 alteration Effects 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
238000005188 flotation Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
239000000463 material Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000003801 milling Methods 0.000 description 1
239000011707 mineral Substances 0.000 description 1
238000005065 mining Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
239000007787 solid Substances 0.000 description 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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials 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
- 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
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
- 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
- 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
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

CA2839472A 2011-07-20 2012-07-20 Improvements to pumps and components therefor Active CA2839472C (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
AU2011902894A AU2011902894A0 (en)		2011-07-20	Improvements to pumps and components therefore
AU2011902894		2011-07-20
PCT/AU2012/000868 WO2013010224A1 (en)	2011-07-20	2012-07-20	Improvements to pumps and components therefor

Publications (2)

Publication Number	Publication Date
CA2839472A1 CA2839472A1 (en)	2013-01-24
CA2839472C true CA2839472C (en)	2019-10-01

Family

ID=47557589

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA2839472A Active CA2839472C (en)	2011-07-20	2012-07-20	Improvements to pumps and components therefor

Country Status (20)

Country	Link
US (1)	US20140241888A1 (pl)
EP (1)	EP2734736B1 (pl)
CN (1)	CN103703254B (pl)
AP (1)	AP2013007329A0 (pl)
AU (1)	AU2012286528B2 (pl)
BR (1)	BR112013032290B1 (pl)
CA (1)	CA2839472C (pl)
CL (1)	CL2013003561A1 (pl)
EA (1)	EA026576B1 (pl)
ES (1)	ES2620760T3 (pl)
HU (1)	HUE031960T2 (pl)
IL (1)	IL229958B (pl)
MX (1)	MX341285B (pl)
PE (1)	PE20141349A1 (pl)
PH (1)	PH12013502613A1 (pl)
PL (1)	PL2734736T3 (pl)
PT (1)	PT2734736T (pl)
UA (1)	UA112986C2 (pl)
WO (1)	WO2013010224A1 (pl)
ZA (1)	ZA201309463B (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2542233B (en) *	2015-08-26	2018-02-07	Weir Minerals Europe Ltd	Rotary parts for a slurry pump
CN118601941A (zh)	2017-10-12	2024-09-06	伟尔矿物澳大利亚私人有限公司	浆料泵的入口部件
CN112673177B (zh) *	2018-08-01	2023-08-04	威尔斯拉里集团公司	用于离心泵的倒环形侧隙装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1703049B2 (de) *	1968-03-26	1974-09-26	Allweiler Ag, 7760 Radolfzell	Bausatz von Kreiselpumpen
US4613281A (en) *	1984-03-08	1986-09-23	Goulds Pumps, Incorporated	Hydrodynamic seal
US4913619A (en) *	1988-08-08	1990-04-03	Barrett Haentjens & Co.	Centrifugal pump having resistant components
FR2698666B1 (fr) *	1992-11-30	1995-02-17	Europ Propulsion	Pompe centrifuge hautement performante à rouet ouvert.
AUPN715595A0 (en) *	1995-12-14	1996-01-18	Warman International Limited	Improved centrifugal pump
JP3179716B2 (ja) *	1996-10-29	2001-06-25	株式会社荏原製作所	キャンドモータポンプ
US5941536A (en) *	1998-02-12	1999-08-24	Envirotech Pumpsystems, Inc.	Elastomer seal for adjustable side liners of pumps
US7470106B1 (en) *	2001-07-10	2008-12-30	Townley Manufacturing, Inc.	Centrifugal slurry pump
JP2003184783A (ja) *	2001-12-18	2003-07-03	Ebara Corp	キャンドモータポンプ
CN101709712A (zh) *	2009-12-09	2010-05-19	黄佳华	卧式磁力泵

2012
- 2012-07-20 US US14/233,725 patent/US20140241888A1/en not_active Abandoned
- 2012-07-20 WO PCT/AU2012/000868 patent/WO2013010224A1/en not_active Ceased
- 2012-07-20 PH PH1/2013/502613A patent/PH12013502613A1/en unknown
- 2012-07-20 EP EP12815181.8A patent/EP2734736B1/en active Active
- 2012-07-20 CN CN201280035789.3A patent/CN103703254B/zh active Active
- 2012-07-20 PT PT128151818T patent/PT2734736T/pt unknown
- 2012-07-20 EA EA201391709A patent/EA026576B1/ru not_active IP Right Cessation
- 2012-07-20 AU AU2012286528A patent/AU2012286528B2/en active Active
- 2012-07-20 AP AP2013007329A patent/AP2013007329A0/xx unknown
- 2012-07-20 ES ES12815181.8T patent/ES2620760T3/es active Active
- 2012-07-20 BR BR112013032290-0A patent/BR112013032290B1/pt active IP Right Grant
- 2012-07-20 MX MX2013015045A patent/MX341285B/es active IP Right Grant
- 2012-07-20 UA UAA201314826A patent/UA112986C2/uk unknown
- 2012-07-20 HU HUE12815181A patent/HUE031960T2/en unknown
- 2012-07-20 PL PL12815181T patent/PL2734736T3/pl unknown
- 2012-07-20 CA CA2839472A patent/CA2839472C/en active Active
- 2012-07-20 PE PE2014000102A patent/PE20141349A1/es active IP Right Grant
2013
- 2013-12-12 CL CL2013003561A patent/CL2013003561A1/es unknown
- 2013-12-13 ZA ZA2013/09463A patent/ZA201309463B/en unknown
- 2013-12-17 IL IL229958A patent/IL229958B/en active IP Right Grant

Also Published As

Publication number	Publication date
PH12013502613A1 (en)	2014-02-03
CN103703254A (zh)	2014-04-02
PT2734736T (pt)	2017-03-30
EP2734736A1 (en)	2014-05-28
AP2013007329A0 (en)	2013-12-31
EP2734736B1 (en)	2016-12-28
EA026576B1 (ru)	2017-04-28
BR112013032290B1 (pt)	2021-05-18
ZA201309463B (en)	2021-08-25
US20140241888A1 (en)	2014-08-28
BR112013032290A2 (pt)	2016-12-20
HUE031960T2 (en)	2017-09-28
AU2012286528B2 (en)	2016-04-21
EA201391709A1 (ru)	2014-04-30
ES2620760T3 (es)	2017-06-29
AU2012286528A1 (en)	2013-05-02
WO2013010224A1 (en)	2013-01-24
PE20141349A1 (es)	2014-10-13
EP2734736A4 (en)	2015-01-14
MX341285B (es)	2016-08-12
CL2013003561A1 (es)	2014-11-14
CN103703254B (zh)	2016-12-28
IL229958B (en)	2019-09-26
CA2839472A1 (en)	2013-01-24
MX2013015045A (es)	2014-02-17
UA112986C2 (uk)	2016-11-25
PL2734736T3 (pl)	2017-07-31

Legal Events

Date	Code	Title	Description
2016-08-11	EEER	Examination request	Effective date: 20160805

Publication	Publication Date	Title
CA2911924C (en)	2016-10-18	Improvements relating to centrifugal pump impellers
US20220268293A1 (en)	2022-08-25	Rotary Parts For A Slurry Pump
AU2014245856B2 (en)	2018-02-15	Slurry pump impeller
AU2015318812B2 (en)	2019-07-18	Slurry pump impeller
AU2012286528B2 (en)	2016-04-21	Improvements to pumps and components therefor
EP4305316B1 (en)	2025-01-22	Centrifugal pump impeller with tapered shroud
WO2016040979A1 (en)	2016-03-24	Slurry pump impeller
CN116324176A (zh)	2023-06-23	用于离心泵的开槽侧衬套
US20220120288A1 (en)	2022-04-21	Inverted Annular Side Gap Arrangement For A Centrifugal Pump
WO2018000032A1 (en)	2018-01-04	Slurry pump and components therefor
CA3043338C (en)	2025-09-23	Slurry pump and components therefor
WO2025251120A1 (en)	2025-12-11	Centrifugal slurry pump impeller