DE68913409D1 - Laufrad. - Google Patents

Laufrad.

Info

Publication number
DE68913409D1
DE68913409D1 DE89850284T DE68913409T DE68913409D1 DE 68913409 D1 DE68913409 D1 DE 68913409D1 DE 89850284 T DE89850284 T DE 89850284T DE 68913409 T DE68913409 T DE 68913409T DE 68913409 D1 DE68913409 D1 DE 68913409D1
Authority
DE
Germany
Prior art keywords
impeller
cover discs
secants
vane
wheel
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.)
Expired - Fee Related
Application number
DE89850284T
Other languages
English (en)
Other versions
DE68913409T2 (de
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 DE68913409D1 publication Critical patent/DE68913409D1/de
Application granted granted Critical
Publication of DE68913409T2 publication Critical patent/DE68913409T2/de
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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2238—Special flow patterns
    • F04D29/2255—Special flow patterns flow-channels with a special cross-section contour, e.g. ejecting, throttling or diffusing effect
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Microscoopes, Condenser (AREA)
DE68913409T 1988-09-14 1989-09-04 Laufrad. Expired - Fee Related DE68913409T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803233A SE461996B (sv) 1988-09-14 1988-09-14 Slutet loephjul foer pumpar, kompressorer, flaektar etc av centrifugal- eller halvaxiell typ

Publications (2)

Publication Number Publication Date
DE68913409D1 true DE68913409D1 (de) 1994-04-07
DE68913409T2 DE68913409T2 (de) 1994-06-23

Family

ID=20373321

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913409T Expired - Fee Related DE68913409T2 (de) 1988-09-14 1989-09-04 Laufrad.

Country Status (7)

Country Link
US (1) US4981417A (de)
EP (1) EP0359731B1 (de)
JP (1) JPH02230999A (de)
AT (1) ATE102296T1 (de)
CA (1) CA1313974C (de)
DE (1) DE68913409T2 (de)
SE (1) SE461996B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2931432B2 (ja) * 1991-04-30 1999-08-09 大平洋機工 株式会社 ウオータポンプまたは汎用ポンプの羽根車
JPH09313600A (ja) * 1996-05-28 1997-12-09 Terumo Corp 遠心式液体ポンプ装置
US6443715B1 (en) * 1999-11-19 2002-09-03 Campbell Hausfeld/Scott Fetzer Company Pump impeller
US6837684B2 (en) 2002-10-25 2005-01-04 Grundfos Management A/S Pump impeller
US9046090B2 (en) * 2011-10-19 2015-06-02 Baker Hughes Incorporated High efficiency impeller
JP6351216B2 (ja) * 2013-07-05 2018-07-04 株式会社荏原製作所 水中ポンプ用ポンプ羽根及びこれを備えた水中ポンプ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US867069A (en) * 1906-12-17 1907-09-24 Fritz Neumann Blade-wheel for centrifugal pumps.
FR691676A (fr) * 1930-01-07 1930-10-24 Sulzer Ag Pompe rotative, en particulier pompe alimentaire de chaudière
US2101653A (en) * 1934-09-01 1937-12-07 C S Engineering Co Impeller for centrifugal pumps
CH433149A (fr) * 1962-07-03 1967-03-31 English Electric Co Ltd Machine hydraulique
JPS5551992A (en) * 1978-10-11 1980-04-16 Kubota Ltd Pump impeller
SE426976B (sv) * 1979-04-27 1983-02-21 Flygt Ab Skovelhjul
JPS55146275A (en) * 1979-05-04 1980-11-14 Hitachi Ltd Water turbine runner

Also Published As

Publication number Publication date
EP0359731A1 (de) 1990-03-21
JPH02230999A (ja) 1990-09-13
SE8803233L (de) 1990-03-15
SE8803233D0 (sv) 1988-09-14
SE461996B (sv) 1990-04-23
ATE102296T1 (de) 1994-03-15
US4981417A (en) 1991-01-01
CA1313974C (en) 1993-03-02
EP0359731B1 (de) 1994-03-02
DE68913409T2 (de) 1994-06-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee