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CH165931A - Protective grille for fans. - Google Patents

Protective grille for fans.

Info

Publication number
CH165931A
CH165931A CH165931DA CH165931A CH 165931 A CH165931 A CH 165931A CH 165931D A CH165931D A CH 165931DA CH 165931 A CH165931 A CH 165931A
Authority
CH
Switzerland
Prior art keywords
fans
protective grille
protective
grille
embedded
Prior art date
Application number
Other languages
German (de)
Inventor
Cie Aktiengesellschaft Boveri
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH165931A publication Critical patent/CH165931A/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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

  

  Schutzgitter für     Ventilatoren.       Bei Ventilatoren wird der Verletzungs  gefahr durch zufälliges Hineingreifen da  durch     vorgebeugt,,dass    Schutzgitter vor dem  laufenden     Ventilatorrad    angebracht sind.  Als Schutzgitter können zum     Beispiel    Ver  schalungen aus     perforiertem    Blech, Draht  gitter, dienen.  



  Gegenstand der Erfindung ist ein Schutz  gitter für Ventilatoren, bei welchem     .Schutz-          drähte    in den in der Nähe des Laufrades  stehenden     Gussteilen    beim Giessen derselben  eingebettet sind.  



  Die     Zeichnung    zeigt ein Ausführungsbei  spiel der Erfindung. In den Armen a des    Schildes b einer elektrischen Maschine wer  den beim Giessen des Lagerschildes Drähte c       eingebettet,    die als Schutz gegen zufälliges  Hineingreifen in den hinter dem Lagerschild  laufenden     Ventilator    d dienen.



  Protective grille for fans. With fans, the risk of injury from accidentally reaching into them is prevented because protective grids are fitted in front of the running fan wheel. For example, panels made of perforated sheet metal or wire mesh can serve as protective grids.



  The invention relates to a protective grille for fans, in which .Schutz- wires are embedded in the cast parts standing in the vicinity of the impeller when the same is poured.



  The drawing shows a Ausführungsbei game of the invention. In the arms a of the shield b of an electrical machine who is embedded in the casting of the end shield wires c, which serve as protection against accidental reaching into the fan d running behind the end shield.

Claims (1)

PATENTANSPRUCH: Schutzgitter für Ventilatoren, dadurch gekennzeichnet, dass Schutzdrähte in die in der Nähe des Laufrades stehenden Gussteile beim Giessen derselben eingebettet sind. PATENT CLAIM: Protective grille for fans, characterized in that protective wires are embedded in the cast parts near the impeller when the same is poured.
CH165931D 1933-03-01 1933-03-01 Protective grille for fans. CH165931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH165931T 1933-03-01

Publications (1)

Publication Number Publication Date
CH165931A true CH165931A (en) 1933-12-15

Family

ID=4418633

Family Applications (1)

Application Number Title Priority Date Filing Date
CH165931D CH165931A (en) 1933-03-01 1933-03-01 Protective grille for fans.

Country Status (1)

Country Link
CH (1) CH165931A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051005A1 (en) * 1980-10-17 1982-05-05 L'unite Hermetique S.A. Axial-flow ventilator with protected rotor blades

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051005A1 (en) * 1980-10-17 1982-05-05 L'unite Hermetique S.A. Axial-flow ventilator with protected rotor blades

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