DE3934756C2 - - Google Patents

Info

Publication number
DE3934756C2
DE3934756C2 DE19893934756 DE3934756A DE3934756C2 DE 3934756 C2 DE3934756 C2 DE 3934756C2 DE 19893934756 DE19893934756 DE 19893934756 DE 3934756 A DE3934756 A DE 3934756A DE 3934756 C2 DE3934756 C2 DE 3934756C2
Authority
DE
Germany
Prior art keywords
diffuser
chambers
sound
flow
axial
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 - Lifetime
Application number
DE19893934756
Other languages
German (de)
English (en)
Other versions
DE3934756A1 (de
Inventor
Hartmut Dipl.-Ing. 6710 Frankenthal De Ludewig
Burkhard Dr.-Ing. 8034 Germering De Stueber
Klaus R. Dr.-Ing. 8122 Penzberg De Fritz
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.)
Howden Turbo GmbH
Original Assignee
Kuehnle Kopp and Kausch 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 Kuehnle Kopp and Kausch AG filed Critical Kuehnle Kopp and Kausch AG
Priority to DE19893934756 priority Critical patent/DE3934756A1/de
Publication of DE3934756A1 publication Critical patent/DE3934756A1/de
Application granted granted Critical
Publication of DE3934756C2 publication Critical patent/DE3934756C2/de
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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE19893934756 1989-10-18 1989-10-18 Vorrichtung zur daempfung der von einem axialventilator in eine druckleitung abgestrahlten geraeusche Granted DE3934756A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893934756 DE3934756A1 (de) 1989-10-18 1989-10-18 Vorrichtung zur daempfung der von einem axialventilator in eine druckleitung abgestrahlten geraeusche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893934756 DE3934756A1 (de) 1989-10-18 1989-10-18 Vorrichtung zur daempfung der von einem axialventilator in eine druckleitung abgestrahlten geraeusche

Publications (2)

Publication Number Publication Date
DE3934756A1 DE3934756A1 (de) 1991-04-25
DE3934756C2 true DE3934756C2 (cs) 1992-03-05

Family

ID=6391719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893934756 Granted DE3934756A1 (de) 1989-10-18 1989-10-18 Vorrichtung zur daempfung der von einem axialventilator in eine druckleitung abgestrahlten geraeusche

Country Status (1)

Country Link
DE (1) DE3934756A1 (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3149053A1 (fr) * 2023-05-24 2024-11-29 Safran Ventilation Systems Dispositif de ventilation ou de compression pour l’industrie aeronautique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393960A1 (fr) * 1977-06-08 1979-01-05 Berry Sa Attenuation du bruit des ventilateurs notamment helicoides
SE450656B (sv) * 1982-05-14 1987-07-13 Bahco Ventilation Ab Ljuddempare for ventilationskanaler eller ventilationsapparater
DE3509033C2 (de) * 1985-03-13 1994-05-05 Mueller Bbm Gmbh Schalldämpfer

Also Published As

Publication number Publication date
DE3934756A1 (de) 1991-04-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee