DE7721510U1 - - Google Patents

Info

Publication number
DE7721510U1
DE7721510U1 DE7721510U DE7721510U DE7721510U1 DE 7721510 U1 DE7721510 U1 DE 7721510U1 DE 7721510 U DE7721510 U DE 7721510U DE 7721510 U DE7721510 U DE 7721510U DE 7721510 U1 DE7721510 U1 DE 7721510U1
Authority
DE
Germany
Prior art keywords
fan wheel
edge
fan
hood
diameter
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
Application number
DE7721510U
Other languages
German (de)
English (en)
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.)
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE7721510U priority Critical patent/DE7721510U1/de
Publication of DE7721510U1 publication Critical patent/DE7721510U1/de
Priority to JP1978094547U priority patent/JPS5417204U/ja
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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/48—Fluid-guiding means, e.g. diffusers adjustable for unidirectional fluid flow in reversible pumps
    • F04D29/483—Fluid-guiding means, e.g. diffusers adjustable for unidirectional fluid flow in reversible pumps 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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE7721510U 1977-07-08 1977-07-08 Expired DE7721510U1 (OSRAM)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE7721510U DE7721510U1 (OSRAM) 1977-07-08 1977-07-08
JP1978094547U JPS5417204U (OSRAM) 1977-07-08 1978-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7721510U DE7721510U1 (OSRAM) 1977-07-08 1977-07-08

Publications (1)

Publication Number Publication Date
DE7721510U1 true DE7721510U1 (OSRAM) 1977-10-20

Family

ID=6680597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7721510U Expired DE7721510U1 (OSRAM) 1977-07-08 1977-07-08

Country Status (2)

Country Link
JP (1) JPS5417204U (OSRAM)
DE (1) DE7721510U1 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3207448A1 (de) * 1982-03-02 1983-09-15 Siemens AG, 1000 Berlin und 8000 München Deckscheibenloser radialluefter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3207448A1 (de) * 1982-03-02 1983-09-15 Siemens AG, 1000 Berlin und 8000 München Deckscheibenloser radialluefter

Also Published As

Publication number Publication date
JPS5417204U (OSRAM) 1979-02-03

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