CH518449A - Lüfterflügel aus Polyurethan-Duromerschaum - Google Patents
Lüfterflügel aus Polyurethan-DuromerschaumInfo
- Publication number
- CH518449A CH518449A CH717270A CH717270A CH518449A CH 518449 A CH518449 A CH 518449A CH 717270 A CH717270 A CH 717270A CH 717270 A CH717270 A CH 717270A CH 518449 A CH518449 A CH 518449A
- Authority
- CH
- Switzerland
- Prior art keywords
- fan blades
- blades made
- polyurethane
- foam
- duromer foam
- Prior art date
Links
- 239000006260 foam Substances 0.000 title 1
- 229920002635 polyurethane Polymers 0.000 title 1
- 239000004814 polyurethane Substances 0.000 title 1
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)
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 |
|---|---|
| CH518449A true CH518449A (de) | 1972-01-31 |
Family
ID=5735167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH717270A CH518449A (de) | 1969-05-24 | 1970-05-14 | 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)
| 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 |
-
1969
- 1969-05-24 DE DE1926694A patent/DE1926694C3/de not_active Expired
-
1970
- 1970-04-28 NL NL7006195A patent/NL7006195A/xx unknown
- 1970-05-14 CH CH717270A patent/CH518449A/de not_active IP Right Cessation
- 1970-05-15 GB GB2377870A patent/GB1311806A/en not_active Expired
- 1970-05-22 ZA ZA703476A patent/ZA703476B/xx unknown
- 1970-05-22 BE BE750793D patent/BE750793A/xx not_active IP Right Cessation
- 1970-05-22 AT AT462770A patent/AT297202B/de not_active IP Right Cessation
- 1970-05-22 LU LU60968D patent/LU60968A1/xx unknown
- 1970-05-22 FR FR7018802A patent/FR2048717A5/fr not_active Expired
- 1970-05-23 ES ES1970158681U patent/ES158681Y/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| 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 |
| ZA703476B (en) | 1971-08-25 |
| 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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| AT308340B (de) | Örtliches Luftklimatisierungsgerät | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |