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CH409224A - Multi-blade fan with uneven pitch of the blades, especially radial fans for ventilating electrical machines - Google Patents

Multi-blade fan with uneven pitch of the blades, especially radial fans for ventilating electrical machines

Info

Publication number
CH409224A
CH409224A CH637960A CH637960A CH409224A CH 409224 A CH409224 A CH 409224A CH 637960 A CH637960 A CH 637960A CH 637960 A CH637960 A CH 637960A CH 409224 A CH409224 A CH 409224A
Authority
CH
Switzerland
Prior art keywords
blades
electrical machines
blade fan
radial fans
uneven pitch
Prior art date
Application number
CH637960A
Other languages
German (de)
Inventor
Gerhard Dipl Ing Huebner
Original Assignee
Siemens 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
Priority claimed from DE1960S0068753 external-priority patent/DE1291851B/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH409224A publication Critical patent/CH409224A/en

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
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH637960A 1959-06-10 1960-06-03 Multi-blade fan with uneven pitch of the blades, especially radial fans for ventilating electrical machines CH409224A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1959S0063390 DE1253402B (en) 1959-06-10 1959-06-10 Device for noise reduction on multi-blade radial fans for ventilation of electrical machines
DE1960S0068753 DE1291851B (en) 1960-05-31 1960-05-31 Device for noise reduction on multi-blade radial fans for ventilation of electrical machines

Publications (1)

Publication Number Publication Date
CH409224A true CH409224A (en) 1966-03-15

Family

ID=25995720

Family Applications (1)

Application Number Title Priority Date Filing Date
CH637960A CH409224A (en) 1959-06-10 1960-06-03 Multi-blade fan with uneven pitch of the blades, especially radial fans for ventilating electrical machines

Country Status (2)

Country Link
CH (1) CH409224A (en)
DE (1) DE1253402B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101617128A (en) * 2007-02-23 2009-12-30 索尤若驱动有限及两合公司 Fan impeller, system and transmission structural series
CN115523186A (en) * 2022-11-28 2022-12-27 佛山市南海九洲普惠风机有限公司 Non-uniform distribution modulation method for blades, impeller and centrifugal fan

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708336C2 (en) * 1987-03-14 1996-02-15 Bosch Gmbh Robert Impeller for conveying a medium
DE10238753B4 (en) 2002-08-23 2021-11-04 Seg Automotive Germany Gmbh Radial fan wheel for conveying cooling air for an electrical machine
DE102007009366B4 (en) * 2007-02-23 2017-06-14 Sew-Eurodrive Gmbh & Co Kg Fan wheel, system and transmission series

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE165330C (en) *
AT83294B (en) * 1917-08-20 1921-03-25 Siemens Schuckertwerke Gmbh Impeller for centrifugal pumps.
CH140203A (en) * 1927-10-27 1930-05-31 Gen Electric Co Ltd Turbine for elastic propellants.
US1868008A (en) * 1931-04-04 1932-07-19 Automotive Fan & Bearing Co Fan
GB704240A (en) * 1950-08-11 1954-02-17 English Electric Co Ltd Improvements relating to fans
DE946178C (en) * 1953-11-05 1956-07-26 Schiele & Co Maschinenfabrik U Impeller for axial fan with reduced noise generation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101617128A (en) * 2007-02-23 2009-12-30 索尤若驱动有限及两合公司 Fan impeller, system and transmission structural series
CN103410775B (en) * 2007-02-23 2016-08-10 索尤若驱动有限及两合公司 Draught fan impeller, system and transmission line
CN115523186A (en) * 2022-11-28 2022-12-27 佛山市南海九洲普惠风机有限公司 Non-uniform distribution modulation method for blades, impeller and centrifugal fan
CN115523186B (en) * 2022-11-28 2023-01-31 佛山市南海九洲普惠风机有限公司 Non-uniform distribution modulation method for blades, impeller and centrifugal fan

Also Published As

Publication number Publication date
DE1253402B (en) 1967-11-02

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