FR2488950B1 - - Google Patents

Info

Publication number
FR2488950B1
FR2488950B1 FR8116337A FR8116337A FR2488950B1 FR 2488950 B1 FR2488950 B1 FR 2488950B1 FR 8116337 A FR8116337 A FR 8116337A FR 8116337 A FR8116337 A FR 8116337A FR 2488950 B1 FR2488950 B1 FR 2488950B1
Authority
FR
France
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
Application number
FR8116337A
Other languages
French (fr)
Other versions
FR2488950A1 (fr
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.)
Wilhelm Gebhardt GmbH
Original Assignee
Wilhelm Gebhardt GmbH
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 Wilhelm Gebhardt GmbH filed Critical Wilhelm Gebhardt GmbH
Publication of FR2488950A1 publication Critical patent/FR2488950A1/fr
Application granted granted Critical
Publication of FR2488950B1 publication Critical patent/FR2488950B1/fr
Granted 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/007—Axial-flow pumps multistage fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/024—Multi-stage pumps with contrarotating parts
    • 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
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
FR8116337A 1980-08-22 1981-08-21 Procede de fonctionnement d'une turbomachine axiale et machine de ce genre pour la mise en oeuvre du procede Granted FR2488950A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803031686 DE3031686A1 (de) 1980-08-22 1980-08-22 Verfahren zum betreiben einer axialen stroemungsarbeitsmaschine und solche maschine zur durchfuehrung dieses verfahrens

Publications (2)

Publication Number Publication Date
FR2488950A1 FR2488950A1 (fr) 1982-02-26
FR2488950B1 true FR2488950B1 (de) 1985-04-19

Family

ID=6110180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8116337A Granted FR2488950A1 (fr) 1980-08-22 1981-08-21 Procede de fonctionnement d'une turbomachine axiale et machine de ce genre pour la mise en oeuvre du procede

Country Status (5)

Country Link
JP (1) JPS5773894A (de)
DE (1) DE3031686A1 (de)
FR (1) FR2488950A1 (de)
GB (1) GB2082688B (de)
SE (1) SE457277B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5931640A (en) * 1997-10-17 1999-08-03 Robert Bosch Corporation Oppositely skewed counter-rotating fans
US7815418B2 (en) * 2005-08-03 2010-10-19 Mitsubishi Heavy Industries, Ltd. Shroud and rotary vane wheel of propeller fan and propeller fan
CN103244459B (zh) * 2013-04-25 2015-08-05 哈尔滨工业大学 一种亚音速吸附式轴流压气机气动设计方法
BE1023233B1 (fr) * 2015-07-01 2017-01-05 Safran Aero Boosters S.A. Tambour perfore de compresseur de turbomachine axiale
CN110107529A (zh) * 2019-05-13 2019-08-09 西华大学 一种轴流泵叶轮及其轴流泵

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE62510C (de) * G. schiele & CO. in Bockenheim bei Frankfurt a. Main Flügelrad-Gebläse mit Hülfsflügel
DE815374C (de) * 1950-02-25 1951-10-01 Voith Gmbh J M Axialgeblaese mit Zwischenring zur Verhinderung des Umspringens der Stroemung
DE1001113B (de) * 1954-04-17 1957-01-17 Ernst Beck Dr Ing Einrichtung zur Verminderung der bei Kreiselpumpen erforderlichen Zulaufhoehe
DE1064191B (de) * 1956-07-26 1959-08-27 Voith Gmbh J M Einrichtung zur Abschirmung der normalen Stroemung gegen das Abloesungsgebiet im Nabenbereich von Axialstroemungsmaschinen
GB1342590A (en) * 1970-07-17 1974-01-03 Secr Defence Suppression of noise in gas turbine engines
DE2204247A1 (de) * 1971-02-12 1972-08-17 Luft U Kaeltetechnik Veb K Grenzschichtbeeinflussung bei Turbomaschinen, insbesondere zur Verwendung in Klimageräten
DE2951775A1 (de) * 1978-12-26 1980-07-03 Nissan Motor Kuehlgeblaese

Also Published As

Publication number Publication date
FR2488950A1 (fr) 1982-02-26
GB2082688A (en) 1982-03-10
SE457277B (sv) 1988-12-12
DE3031686A1 (de) 1982-04-01
DE3031686C2 (de) 1989-08-03
JPS5773894A (en) 1982-05-08
SE8104956L (sv) 1982-02-23
GB2082688B (en) 1984-10-31

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse