EP0369268A3 - Impeller for turbo machines - Google Patents

Impeller for turbo machines Download PDF

Info

Publication number
EP0369268A3
EP0369268A3 EP89120438A EP89120438A EP0369268A3 EP 0369268 A3 EP0369268 A3 EP 0369268A3 EP 89120438 A EP89120438 A EP 89120438A EP 89120438 A EP89120438 A EP 89120438A EP 0369268 A3 EP0369268 A3 EP 0369268A3
Authority
EP
European Patent Office
Prior art keywords
impeller
turbo machines
blades
annular element
individual
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
EP89120438A
Other languages
German (de)
Other versions
EP0369268B1 (en
EP0369268A2 (en
Inventor
Axel Riel
Primo Lovisetto
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.)
KSB AG
Original Assignee
KSB AG
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 KSB AG filed Critical KSB AG
Priority to AT89120438T priority Critical patent/ATE84852T1/en
Publication of EP0369268A2 publication Critical patent/EP0369268A2/en
Publication of EP0369268A3 publication Critical patent/EP0369268A3/en
Application granted granted Critical
Publication of EP0369268B1 publication Critical patent/EP0369268B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04D29/26—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/025—Fixing blade carrying members on shafts
    • 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
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • 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
    • F05D2230/50—Building or constructing in particular ways
    • F05D2230/54—Building or constructing in particular ways by sheet metal manufacturing

Landscapes

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

Abstract

The invention relates to an impeller composed of a plurality of individual parts, the blades (10) of which impeller are fixed directly in the end face region (5) of an impeller boss (4) with the aid of an annular element (19) or of annular element parts (11) attached to the individual blades (10) (Fig. 1). <IMAGE>
EP89120438A 1988-11-18 1989-11-04 Impeller for turbo machines Expired - Lifetime EP0369268B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89120438T ATE84852T1 (en) 1988-11-18 1989-11-04 IMPELLER FOR TURBO MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3839190 1988-11-18
DE3839190A DE3839190C1 (en) 1988-11-18 1988-11-18

Publications (3)

Publication Number Publication Date
EP0369268A2 EP0369268A2 (en) 1990-05-23
EP0369268A3 true EP0369268A3 (en) 1990-08-29
EP0369268B1 EP0369268B1 (en) 1993-01-20

Family

ID=6367511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120438A Expired - Lifetime EP0369268B1 (en) 1988-11-18 1989-11-04 Impeller for turbo machines

Country Status (3)

Country Link
EP (1) EP0369268B1 (en)
AT (1) ATE84852T1 (en)
DE (1) DE3839190C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT506342B1 (en) 2008-01-25 2011-03-15 Bitter Engineering & Systemtechnik Gmbh WHEEL FOR A PUMP

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882829A (en) * 1956-02-09 1959-04-21 Fmc Corp Fabricated impeller for pumps
WO1986006799A1 (en) * 1985-05-15 1986-11-20 Klein, Schanzlin & Becker Aktiengesellschaft Impeller wheels
US4720242A (en) * 1987-03-23 1988-01-19 Lowara, S.P.A. Centrifugal pump impeller

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344444A (en) * 1940-03-29 1944-03-14 Malczewski Jeremi Construction of turbomachines
US2360440A (en) * 1942-01-26 1944-10-17 Evans Prod Co Rotary air impeller
US3025069A (en) * 1957-01-14 1962-03-13 Bell & Gossett Co Seat for rotary mechanical seals
DK132807C (en) * 1967-05-05 1976-07-12 Grundfos As BAG PUMP, ISER CIRCULATION PUMP FOR CENTRAL HEATING SYSTEM

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882829A (en) * 1956-02-09 1959-04-21 Fmc Corp Fabricated impeller for pumps
WO1986006799A1 (en) * 1985-05-15 1986-11-20 Klein, Schanzlin & Becker Aktiengesellschaft Impeller wheels
US4720242A (en) * 1987-03-23 1988-01-19 Lowara, S.P.A. Centrifugal pump impeller

Also Published As

Publication number Publication date
ATE84852T1 (en) 1993-02-15
EP0369268B1 (en) 1993-01-20
EP0369268A2 (en) 1990-05-23
DE3839190C1 (en) 1990-04-19

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