IT8219632A0 - Procedimento e dispositivo per ridurre la resistenza del flusso su ali o palette di macchine fluidodinamiche, circuitate da gas ad esempio aria. - Google Patents
Procedimento e dispositivo per ridurre la resistenza del flusso su ali o palette di macchine fluidodinamiche, circuitate da gas ad esempio aria.Info
- Publication number
- IT8219632A0 IT8219632A0 IT8219632A IT1963282A IT8219632A0 IT 8219632 A0 IT8219632 A0 IT 8219632A0 IT 8219632 A IT8219632 A IT 8219632A IT 1963282 A IT1963282 A IT 1963282A IT 8219632 A0 IT8219632 A0 IT 8219632A0
- Authority
- IT
- Italy
- Prior art keywords
- circuited
- wings
- blades
- procedure
- resistance
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/18—Aerodynamic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3105183A DE3105183C2 (de) | 1981-02-13 | 1981-02-13 | Einrichtung zur Verminderung des Strömungswiderstandes von von Gasen wie Luft oder dergl. umströmten Flügeln |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8219632A0 true IT8219632A0 (it) | 1982-02-12 |
IT1149752B IT1149752B (it) | 1986-12-10 |
Family
ID=6124750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19632/82A IT1149752B (it) | 1981-02-13 | 1982-02-12 | Procedimento e dispositivo per ridurre la resistenza del flusso su ali o palette di macchine fluidodinamiche,circuitate da gas ad esempio aria |
Country Status (8)
Country | Link |
---|---|
US (1) | US4687416A (it) |
EP (1) | EP0071616B1 (it) |
JP (1) | JPS58500159A (it) |
AU (1) | AU8087082A (it) |
BR (1) | BR8206156A (it) |
DE (1) | DE3105183C2 (it) |
IT (1) | IT1149752B (it) |
WO (1) | WO1982002694A1 (it) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3424010A1 (de) * | 1984-06-29 | 1986-01-02 | Schubert, Jürgen, 6331 Schöffengrund | Schraube fuer gasfoermige oder fluessige medien, insbesondere luftschraube |
EP0282830B1 (de) * | 1987-03-13 | 1992-09-02 | Günter SPRANGER | Flügelartige profilierte Einrichtung die von einem Gas oder Fluid umströmt wird und zur Verbesserung des Wirkungsgrades streifenförmige profilierte Flügel aufweist |
DE3721295C1 (de) * | 1987-06-27 | 1988-12-08 | Deutsche Forsch Luft Raumfahrt | Propeller,dessen Blaetter mit einem Vorfluegel versehen sind |
GB2227286A (en) * | 1989-01-17 | 1990-07-25 | Howden Wind Turbines Limited | Control of a wind turbine and adjustable blade therefor |
GB0001399D0 (en) | 2000-01-22 | 2000-03-08 | Rolls Royce Plc | An aerofoil for an axial flow turbomachine |
TW546443B (en) * | 2002-09-27 | 2003-08-11 | Delta Electronics Inc | Axial flow fan with a plurality of segment blades |
US7281900B2 (en) * | 2005-05-13 | 2007-10-16 | The Boeing Company | Cascade rotor blade for low noise |
DK200800723A (en) * | 2008-05-27 | 2009-11-28 | Fo900 Invest Aps | Wind turbine blade with aerodynamic slit near the root |
ES1073831Y (es) * | 2010-10-01 | 2011-05-17 | Jecsalis Dissenys I Patents S L | Helice de turbina acuatica |
GB2481822B (en) | 2010-07-07 | 2013-09-18 | Rolls Royce Plc | Rotor blade |
US8777580B2 (en) * | 2011-11-02 | 2014-07-15 | Siemens Aktiengesellschaft | Secondary airfoil mounted on stall fence on wind turbine blade |
US9989033B2 (en) * | 2013-03-15 | 2018-06-05 | George J. Syrovy | Horizontal axis wind or water turbine with forked or multi-blade upper segments |
ITMI20130791A1 (it) * | 2013-05-14 | 2014-11-15 | Cofimco Srl | Ventilatore assiale |
FR3012180B1 (fr) * | 2013-10-18 | 2018-02-16 | Sebastien Manceau | Eolienne a axe de rotation horizontal comprenant des familles de pales |
KR101509199B1 (ko) * | 2014-01-29 | 2015-04-09 | 서강대학교산학협력단 | 수평축 윈드 터빈의 블레이드 |
WO2015163855A1 (en) * | 2014-04-22 | 2015-10-29 | Sikorsky Aircraft Corporation | Propeller rotor for a vertical take off and landing aircraft |
EP2977550B1 (fr) * | 2014-07-22 | 2017-05-31 | Safran Aero Boosters SA | Aube de turbomachine axiale et turbomachine associée |
EP2977548B1 (fr) * | 2014-07-22 | 2021-03-10 | Safran Aero Boosters SA | Aube et turbomachine associée |
US10151322B2 (en) * | 2016-05-20 | 2018-12-11 | United Technologies Corporation | Tandem tip blade |
US10689095B2 (en) * | 2017-12-19 | 2020-06-23 | Wing Aviation Llc | Fiber sheet stacked rotor design |
FR3079007B1 (fr) * | 2018-03-14 | 2020-11-20 | Safran Aircraft Engines | Ensemble pour une soufflante |
MX2019003715A (es) * | 2019-03-29 | 2020-09-30 | Rosado Rodrigo Gallardo | Ala rotativa de autorotacion inducida. |
CN114688080A (zh) * | 2020-12-30 | 2022-07-01 | 亚浩电子五金塑胶(惠州)有限公司 | 具有多重仰角的扇叶结构及散热装置 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE443163C (de) * | 1927-04-22 | Karl Frommn Dipl Ing | Schaufelung fuer Turbomaschinen u. dgl. | |
DE357735C (de) * | 1922-08-31 | Frederick Handley Page | Tragflaeche fuer Flugzeuge | |
US1021822A (en) * | 1910-07-11 | 1912-04-02 | Fernand Broussouse | Screw-propeller. |
GB191115896A (en) * | 1911-07-08 | 1912-04-11 | Otto Haebig | Improved Propeller. |
US1344496A (en) * | 1917-10-06 | 1920-06-22 | Albert L Flattum | Aerial propeller |
GB176842A (en) * | 1921-07-04 | 1922-03-23 | Richard George Oliver | Improvements in propellers and fans |
DE390486C (de) * | 1922-07-14 | 1924-02-20 | Rudolf Wagner Dr | Schaufel, insbesondere fuer Dampf- und Gasturbinen |
DE451027C (de) * | 1923-12-06 | 1927-10-20 | Luftschiffbau Zeppelin G M B H | Spaltfluegelluftschraube |
US1684567A (en) * | 1925-12-30 | 1928-09-18 | Louis H Crook | Propeller |
US1779026A (en) * | 1928-04-12 | 1930-10-21 | Wragg Charles Arthur | Multiple-blade propeller |
US1804434A (en) * | 1928-12-28 | 1931-05-12 | Reed Propeller Co Inc | Aeronautical propeller and method of making the same |
US1775568A (en) * | 1929-11-09 | 1930-09-09 | Piesik Stefan | Propeller |
US1874545A (en) * | 1931-01-09 | 1932-08-30 | Lynn J Koch | Propeller |
GB388827A (en) * | 1932-05-23 | 1933-03-09 | James Carter Gray | Improvements in and relating to screw propellers and the like |
US2045383A (en) * | 1934-04-11 | 1936-06-23 | Gen Regulator Corp | Propeller |
US2135887A (en) * | 1935-06-07 | 1938-11-08 | Fairey Charles Richard | Blade for airscrews and the like |
FR820826A (fr) * | 1937-04-20 | 1937-11-19 | Hélice à fentes | |
DE1169303B (de) * | 1961-12-02 | 1964-04-30 | Dornier Werke Gmbh | Quertriebsflaeche, insbesondere Auftriebsflaeche fuer Luftfahrzeuge, mit Schlitzen |
DE1200691B (de) * | 1962-02-06 | 1965-09-09 | Josef Ksoll | Quertriebflaeche mit einem nach vorn verschiebbaren Vorfluegel |
DE1267989B (de) * | 1964-11-12 | 1968-05-09 | Boeing Co | Flugzeugtragflaeche mit verbesserter Charakteristik des UEberziehens bei Reisegeschwindigkeit |
US3606579A (en) * | 1969-01-22 | 1971-09-20 | Henry Mehus | Propeller |
DE1962159C3 (de) * | 1969-12-11 | 1978-08-17 | Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen | Tragflügel für Luftfahrzeuge mit ausfahrbarem Vorflügel und verstellbarer Profilnase |
FR2249804B1 (it) * | 1973-11-06 | 1976-10-01 | Aerospatiale | |
GB1497879A (en) * | 1974-04-01 | 1978-01-12 | Systems Science Software | Air drag reducing means for bluff vehicles |
DE2515444B2 (de) * | 1975-04-09 | 1977-05-18 | Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Laufschaufelkranz grosser umfangsgeschwindigkeit fuer thermische, axial durchstroemte turbinen |
US4094982A (en) * | 1975-05-15 | 1978-06-13 | Sankyo Company Limited | Pyridine sulfonamides and their use as anticoccidial agents |
US4189120A (en) * | 1977-12-14 | 1980-02-19 | Boeing Commercial Airplane Company | Variable camber leading edge flap |
-
1981
- 1981-02-13 DE DE3105183A patent/DE3105183C2/de not_active Expired
-
1982
- 1982-02-10 US US06/699,226 patent/US4687416A/en not_active Expired - Fee Related
- 1982-02-10 BR BR8206156A patent/BR8206156A/pt unknown
- 1982-02-10 AU AU80870/82A patent/AU8087082A/en not_active Abandoned
- 1982-02-10 JP JP57500582A patent/JPS58500159A/ja active Pending
- 1982-02-10 EP EP82900352A patent/EP0071616B1/de not_active Expired
- 1982-02-10 WO PCT/DE1982/000026 patent/WO1982002694A1/en active IP Right Grant
- 1982-02-12 IT IT19632/82A patent/IT1149752B/it active
Also Published As
Publication number | Publication date |
---|---|
WO1982002694A1 (en) | 1982-08-19 |
EP0071616B1 (de) | 1985-10-16 |
AU8087082A (en) | 1982-08-26 |
EP0071616A1 (de) | 1983-02-16 |
DE3105183A1 (de) | 1982-09-09 |
US4687416A (en) | 1987-08-18 |
DE3105183C2 (de) | 1986-09-25 |
IT1149752B (it) | 1986-12-10 |
BR8206156A (pt) | 1983-01-11 |
JPS58500159A (ja) | 1983-02-03 |
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