FR2170706A5 - - Google Patents

Info

Publication number
FR2170706A5
FR2170706A5 FR7303215A FR7303215A FR2170706A5 FR 2170706 A5 FR2170706 A5 FR 2170706A5 FR 7303215 A FR7303215 A FR 7303215A FR 7303215 A FR7303215 A FR 7303215A FR 2170706 A5 FR2170706 A5 FR 2170706A5
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
FR7303215A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR2170706A5 publication Critical patent/FR2170706A5/fr
Expired 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
    • F04D29/66—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
    • F04D29/663—Sound attenuation
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7303215A 1972-02-01 1973-01-30 Expired FR2170706A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722204507 DE2204507A1 (de) 1972-02-01 1972-02-01 Axialgeblaese

Publications (1)

Publication Number Publication Date
FR2170706A5 true FR2170706A5 (fr) 1973-09-14

Family

ID=5834593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303215A Expired FR2170706A5 (fr) 1972-02-01 1973-01-30

Country Status (3)

Country Link
DE (1) DE2204507A1 (fr)
FR (1) FR2170706A5 (fr)
IT (1) IT972775B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404135A1 (fr) * 1977-09-22 1979-04-20 Mulfingen Elektrobau Ebm Ventilateur
EP0084868A1 (fr) * 1982-01-27 1983-08-03 MAN Nutzfahrzeuge Aktiengesellschaft Construction à écoulement amélioré d'une enveloppe insonorisant le bruit généré par un moteur à combustion interne avec refroidissement liquide et son ventilateur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8334120D0 (en) * 1983-12-21 1984-02-01 Gerry U K Diffusers
US5803709A (en) * 1995-12-06 1998-09-08 Canarm Limited Axial flow fan
US6789998B2 (en) * 2002-09-06 2004-09-14 Honeywell International Inc. Aperiodic struts for enhanced blade responses
DE102006013225A1 (de) * 2006-03-22 2007-10-04 Abm Greiffenberger Antriebstechnik Gmbh Gehäuse für einen Lüftermotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404135A1 (fr) * 1977-09-22 1979-04-20 Mulfingen Elektrobau Ebm Ventilateur
EP0084868A1 (fr) * 1982-01-27 1983-08-03 MAN Nutzfahrzeuge Aktiengesellschaft Construction à écoulement amélioré d'une enveloppe insonorisant le bruit généré par un moteur à combustion interne avec refroidissement liquide et son ventilateur

Also Published As

Publication number Publication date
IT972775B (it) 1974-05-31
DE2204507A1 (de) 1973-08-09

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Legal Events

Date Code Title Description
ST Notification of lapse