AT297202B - Lüfterflügel aus Polyurethan-Duromerschaum - Google Patents

Lüfterflügel aus Polyurethan-Duromerschaum

Info

Publication number
AT297202B
AT297202B AT462770A AT462770A AT297202B AT 297202 B AT297202 B AT 297202B AT 462770 A AT462770 A AT 462770A AT 462770 A AT462770 A AT 462770A AT 297202 B AT297202 B AT 297202B
Authority
AT
Austria
Prior art keywords
fan blades
blades made
polyurethane
foam
duromer foam
Prior art date
Application number
AT462770A
Other languages
English (en)
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
Application granted granted Critical
Publication of AT297202B publication Critical patent/AT297202B/de

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Building Environments (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
AT462770A 1969-05-24 1970-05-22 Lüfterflügel aus Polyurethan-Duromerschaum AT297202B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1926694A DE1926694C3 (de) 1969-05-24 1969-05-24 Lüfterflügel aus Polyurethan-Duromerschaum

Publications (1)

Publication Number Publication Date
AT297202B true AT297202B (de) 1972-03-10

Family

ID=5735167

Family Applications (1)

Application Number Title Priority Date Filing Date
AT462770A AT297202B (de) 1969-05-24 1970-05-22 Lüfterflügel aus Polyurethan-Duromerschaum

Country Status (10)

Country Link
AT (1) AT297202B (de)
BE (1) BE750793A (de)
CH (1) CH518449A (de)
DE (1) DE1926694C3 (de)
ES (1) ES158681Y (de)
FR (1) FR2048717A5 (de)
GB (1) GB1311806A (de)
LU (1) LU60968A1 (de)
NL (1) NL7006195A (de)
ZA (1) ZA703476B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449214B1 (fr) * 1979-02-19 1986-06-20 Neu Sa Perfectionnement aux ventilateurs helicoides
GB2279114A (en) * 1993-06-15 1994-12-21 Nuaire Ltd Fan impeller blade
DK98393D0 (da) * 1993-08-31 1993-08-31 Andersen F S As A fan assembly
GB0428201D0 (en) 2004-12-22 2005-01-26 Rolls Royce Plc A composite blade
US8556579B2 (en) 2009-05-21 2013-10-15 Rolls-Royce Plc Composite aerofoil blade with wear-resistant tip
GB0908707D0 (en) 2009-05-21 2009-07-01 Rolls Royce Plc Reinforced composite aerofoil blade
EP2843192B1 (de) * 2013-08-28 2021-03-24 Safran Aero Boosters SA Verbundstoff-Laufradschaufel, die durch additives Fertigungsverfahren herstellt wird und entsprechendes Herstellungsverfahren
CN105485051A (zh) * 2015-09-29 2016-04-13 常州倍安特动力机械有限公司 一种发电装置冷却用风扇

Also Published As

Publication number Publication date
ZA703476B (en) 1971-08-25
DE1926694B2 (de) 1979-01-11
ES158681Y (es) 1971-04-01
ES158681U (es) 1970-07-16
LU60968A1 (de) 1970-07-23
NL7006195A (de) 1970-11-26
FR2048717A5 (de) 1971-03-19
GB1311806A (en) 1973-03-28
CH518449A (de) 1972-01-31
DE1926694A1 (de) 1970-11-26
DE1926694C3 (de) 1979-09-06
BE750793A (fr) 1970-11-23

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee