CA2144692A1 - Dispositif d'etancheite de rotor de pompe - Google Patents

Dispositif d'etancheite de rotor de pompe

Info

Publication number
CA2144692A1
CA2144692A1 CA 2144692 CA2144692A CA2144692A1 CA 2144692 A1 CA2144692 A1 CA 2144692A1 CA 2144692 CA2144692 CA 2144692 CA 2144692 A CA2144692 A CA 2144692A CA 2144692 A1 CA2144692 A1 CA 2144692A1
Authority
CA
Canada
Prior art keywords
pump impeller
sealing device
impeller
main flow
flow
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.)
Granted
Application number
CA 2144692
Other languages
English (en)
Other versions
CA2144692C (fr
Inventor
Ulf Arbeus
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.)
Xylem Water Solutions AB
Original Assignee
ITT Flygt AB
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 ITT Flygt AB filed Critical ITT Flygt AB
Publication of CA2144692A1 publication Critical patent/CA2144692A1/fr
Application granted granted Critical
Publication of CA2144692C publication Critical patent/CA2144692C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA 2144692 1994-03-16 1995-03-15 Dispositif d'etancheite de rotor de pompe Expired - Fee Related CA2144692C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9400881A SE502552C2 (sv) 1994-03-16 1994-03-16 Tätningsanordning
SE9400881-0 1994-03-16

Publications (2)

Publication Number Publication Date
CA2144692A1 true CA2144692A1 (fr) 1995-09-17
CA2144692C CA2144692C (fr) 2000-03-07

Family

ID=20393295

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2144692 Expired - Fee Related CA2144692C (fr) 1994-03-16 1995-03-15 Dispositif d'etancheite de rotor de pompe

Country Status (5)

Country Link
EP (1) EP0672832B1 (fr)
JP (1) JPH08121384A (fr)
CA (1) CA2144692C (fr)
DE (1) DE69502525T2 (fr)
SE (1) SE502552C2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613486C2 (de) * 1996-04-04 1998-12-24 Grundfos As Dichtungsausbildung für Kreiselpumpen zur Verminderung des Spaltverluststromes im Saugmundbereich des Pumpenlaufrades
DE102006024997A1 (de) * 2006-05-30 2007-12-06 Wilo Ag Kreiselpumpe
JP2008050958A (ja) * 2006-08-23 2008-03-06 Iwaki Co Ltd 自吸式ポンプ
FR2911166B1 (fr) * 2007-01-09 2012-08-03 Siebec Soc Pompe a entrainement magnetique et etancheite coulissante
JP5046767B2 (ja) * 2007-07-19 2012-10-10 日立アプライアンス株式会社 電動送風機及びそれを備えた電気掃除機
CN104235070A (zh) * 2013-06-13 2014-12-24 德昌电机(深圳)有限公司 泵壳及具有该泵壳的泵
CN107917100B (zh) * 2017-10-26 2019-03-26 珠海格力电器股份有限公司 导流圈与风机叶轮前盘的连接结构及空调

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221661A (en) 1961-12-18 1965-12-07 Electronic Specialty Co Low-suction head pumps
US3228343A (en) 1964-05-25 1966-01-11 U S Pumps Inc Self-priming pump
US3741679A (en) * 1971-09-17 1973-06-26 Blue Co John Centrifugal pump
IT1180991B (it) * 1984-06-07 1987-09-23 Lowara Spa Dispositivo di tenuta interposto tra girante e corpo pompa
SU1370318A1 (ru) * 1986-06-06 1988-01-30 Всесоюзный Научно-Исследовательский Институт Горной Механики Им.М.М.Федорова Уплотнение рабочего колеса насоса
US5295786A (en) 1990-12-27 1994-03-22 Ebara Corporation Liner ring for a pump
US5129795A (en) * 1991-05-31 1992-07-14 Powerdyne Corporation Motor driven pump

Also Published As

Publication number Publication date
JPH08121384A (ja) 1996-05-14
CA2144692C (fr) 2000-03-07
SE502552C2 (sv) 1995-11-13
EP0672832A1 (fr) 1995-09-20
SE9400881L (sv) 1995-09-17
EP0672832B1 (fr) 1998-05-20
DE69502525T2 (de) 1998-09-17
DE69502525D1 (de) 1998-06-25
SE9400881D0 (sv) 1994-03-16

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Legal Events

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EEER Examination request
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