DE112012004156A5 - Centrifugal pump for solids containing liquids and gap sealing - Google Patents

Centrifugal pump for solids containing liquids and gap sealing Download PDF

Info

Publication number
DE112012004156A5
DE112012004156A5 DE112012004156.9T DE112012004156T DE112012004156A5 DE 112012004156 A5 DE112012004156 A5 DE 112012004156A5 DE 112012004156 T DE112012004156 T DE 112012004156T DE 112012004156 A5 DE112012004156 A5 DE 112012004156A5
Authority
DE
Germany
Prior art keywords
centrifugal pump
containing liquids
solids containing
gap sealing
solids
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Withdrawn
Application number
DE112012004156.9T
Other languages
German (de)
Inventor
Uwe Würdig
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of DE112012004156A5 publication Critical patent/DE112012004156A5/en
Withdrawn legal-status Critical Current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
    • 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
    • F04D29/08—Sealings
    • F04D29/086—Sealings 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE112012004156.9T 2011-10-07 2012-10-04 Centrifugal pump for solids containing liquids and gap sealing Withdrawn DE112012004156A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011054320.1 2011-10-07
DE102011054320A DE102011054320A1 (en) 2011-10-07 2011-10-07 Centrifugal pump and arrangement for gap sealing
PCT/DE2012/100314 WO2013050031A1 (en) 2011-10-07 2012-10-04 Centrifugal pump for fluids containing solid materials, and gap seal

Publications (1)

Publication Number Publication Date
DE112012004156A5 true DE112012004156A5 (en) 2014-06-18

Family

ID=47216000

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102011054320A Withdrawn DE102011054320A1 (en) 2011-10-07 2011-10-07 Centrifugal pump and arrangement for gap sealing
DE112012004156.9T Withdrawn DE112012004156A5 (en) 2011-10-07 2012-10-04 Centrifugal pump for solids containing liquids and gap sealing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102011054320A Withdrawn DE102011054320A1 (en) 2011-10-07 2011-10-07 Centrifugal pump and arrangement for gap sealing

Country Status (6)

Country Link
US (1) US20140255165A1 (en)
EP (1) EP2766608B1 (en)
CN (1) CN103857917A (en)
DE (2) DE102011054320A1 (en)
RU (1) RU2583482C2 (en)
WO (1) WO2013050031A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265678B (en) * 2014-09-26 2017-02-15 浙江理工大学 Sealing mechanism for gap between impeller and volute
DE102016201969A1 (en) * 2016-02-10 2017-08-10 BSH Hausgeräte GmbH Laundry care device with a sealing element
RU169331U1 (en) * 2016-07-19 2017-03-15 Общество с ограниченной ответственностью "ИнжиТех" BRONEDISK OF SLUDGE PUMP WITH SEAL
CN117067380B (en) * 2023-10-11 2024-01-26 成都永益泵业股份有限公司 Aluminum oxide pump overcurrent component and manufacturing method thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2270054A (en) * 1939-10-13 1942-01-13 Georgia Iron Works Water seal for pumps
US2475316A (en) * 1946-12-27 1949-07-05 Curtiss Wright Corp Fluid pumping system
NL157081B (en) * 1970-08-04 1978-06-15 Ballast Nedam Groep Nv SEAL FOR SEALING A GAP BETWEEN A STATIONARY AND A ROTATABLE PART.
DE2051011A1 (en) 1970-10-17 1972-04-20 Loewe Pumpenfabrik Gmbh Gap seal for centrifugal pumps and the like
NL7800305A (en) 1978-01-10 1979-07-12 Jan Cornelis Zwets DIRTY WATER PUMP.
US4227573A (en) * 1978-11-16 1980-10-14 Otis Engineering Corporation Reinforced seal unit for pumpdown pistons or well swabs
JPS5724491A (en) 1980-07-21 1982-02-09 Hitachi Ltd Sewage pump
SU1096403A1 (en) * 1983-02-21 1984-06-07 Ярославский политехнический институт Centrifugal pump
NL8402886A (en) * 1984-09-20 1986-04-16 Ihc Holland Nv CENTRIFUGAL PUMP.
US4867633A (en) * 1988-02-18 1989-09-19 Sundstrand Corporation Centrifugal pump with hydraulic thrust balance and tandem axial seals
US4981413A (en) * 1989-04-27 1991-01-01 Ahlstrom Corporation Pump for and method of separating gas from a fluid to be pumped
DE29619742U1 (en) * 1996-11-13 1997-01-09 Grundfos A/S, Bjerringbro Centrifugal pump with at least one single-flow impeller
US5971704A (en) * 1997-04-23 1999-10-26 Toyo Pumps North America Corporation Device for adjusting the running clearance of an impeller
JP2003074491A (en) * 2001-09-04 2003-03-12 Nsk Ltd Sealing device for water pump, rotary supporting device for water pump and water pump
DE102008001814A1 (en) * 2008-05-15 2009-11-19 Würdig, Uwe Device for impeller sealing in centrifugal pumps
US8858157B2 (en) * 2009-01-09 2014-10-14 Sulzer Pumpen Ag Centrifugal pump having an apparatus for the removal of particles
EP2348220B1 (en) * 2009-12-30 2015-07-08 Grundfos Management A/S Immersion pump

Also Published As

Publication number Publication date
RU2014117306A (en) 2015-11-20
RU2583482C2 (en) 2016-05-10
EP2766608B1 (en) 2019-04-17
WO2013050031A1 (en) 2013-04-11
EP2766608A1 (en) 2014-08-20
US20140255165A1 (en) 2014-09-11
CN103857917A (en) 2014-06-11
DE102011054320A1 (en) 2013-04-11

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Legal Events

Date Code Title Description
R082 Change of representative

Representative=s name: BRANDT & NERN PATENTANWAELTE, DE

R012 Request for examination validly filed
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee