ZA703476B - Improvements in or relating to fan blades,and particularly to fan blades of a polyurethane foam - Google Patents

Improvements in or relating to fan blades,and particularly to fan blades of a polyurethane foam

Info

Publication number
ZA703476B
ZA703476B ZA703476A ZA703476A ZA703476B ZA 703476 B ZA703476 B ZA 703476B ZA 703476 A ZA703476 A ZA 703476A ZA 703476 A ZA703476 A ZA 703476A ZA 703476 B ZA703476 B ZA 703476B
Authority
ZA
South Africa
Prior art keywords
fan blades
relating
polyurethane foam
blades
fan
Prior art date
Application number
ZA703476A
Other languages
English (en)
Inventor
K Eichler
A Konig
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
Publication of ZA703476B publication Critical patent/ZA703476B/xx

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)
ZA703476A 1969-05-24 1970-05-22 Improvements in or relating to fan blades,and particularly to fan blades of a polyurethane foam ZA703476B (en)

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
ZA703476B true ZA703476B (en) 1971-08-25

Family

ID=5735167

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA703476A ZA703476B (en) 1969-05-24 1970-05-22 Improvements in or relating to fan blades,and particularly to fan blades of a polyurethane foam

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
GB0908707D0 (en) 2009-05-21 2009-07-01 Rolls Royce Plc Reinforced composite aerofoil blade
EP2253803B1 (de) 2009-05-21 2018-12-12 Rolls-Royce plc Verbundschaufel mit verschleissbeständiger Spitze und entsprechendes Verfahren
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
CH518449A (de) 1972-01-31
AT297202B (de) 1972-03-10
NL7006195A (de) 1970-11-26
LU60968A1 (de) 1970-07-23
ES158681Y (es) 1971-04-01
DE1926694B2 (de) 1979-01-11
BE750793A (fr) 1970-11-23
ES158681U (es) 1970-07-16
FR2048717A5 (de) 1971-03-19
DE1926694A1 (de) 1970-11-26
DE1926694C3 (de) 1979-09-06
GB1311806A (en) 1973-03-28

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