DE69018250D1 - Rotorblatt. - Google Patents
Rotorblatt.Info
- Publication number
- DE69018250D1 DE69018250D1 DE69018250T DE69018250T DE69018250D1 DE 69018250 D1 DE69018250 D1 DE 69018250D1 DE 69018250 T DE69018250 T DE 69018250T DE 69018250 T DE69018250 T DE 69018250T DE 69018250 D1 DE69018250 D1 DE 69018250D1
- Authority
- DE
- Germany
- Prior art keywords
- rotor blade
- rotor
- blade
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/48—Root attachment to rotor head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/286—Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/422,118 US5074753A (en) | 1989-10-16 | 1989-10-16 | Rotor blade |
PCT/US1990/005171 WO1991005700A1 (en) | 1989-10-16 | 1990-09-17 | Rotor blade |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69018250D1 true DE69018250D1 (de) | 1995-05-04 |
DE69018250T2 DE69018250T2 (de) | 1995-07-27 |
Family
ID=23673468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69018250T Expired - Lifetime DE69018250T2 (de) | 1989-10-16 | 1990-09-17 | Rotorblatt. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5074753A (de) |
EP (1) | EP0448705B1 (de) |
JP (1) | JP3303237B2 (de) |
AU (1) | AU6723290A (de) |
DE (1) | DE69018250T2 (de) |
IL (1) | IL96005A0 (de) |
WO (1) | WO1991005700A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5209272A (en) * | 1991-05-23 | 1993-05-11 | Sulzer Brothers Limited | Gripper changer for projectile looms |
FR2699498B1 (fr) * | 1992-12-23 | 1995-03-10 | Eurocopter France | Pale en composite thermoplastique, notamment pour rotor arrière caréné d'hélicoptère, et son procédé de fabrication. |
FR2699499B1 (fr) * | 1992-12-23 | 1995-03-10 | Eurocopter France | Pale en composite thermoplastique, notamment pour rotor arrière caréné d'hélicoptère, et son procédé de fabrication avec étape d'injection. |
US5868351A (en) * | 1996-05-23 | 1999-02-09 | Bell Helicopter Textron Inc. | Rotor blade stowing system |
DK174318B1 (da) * | 2000-06-19 | 2002-12-02 | Lm Glasfiber As | Vindmølle til stall-reguleret vindmølle og som omfatter et eller flere organer i form af flapper eller slatter, der er fastgjort til vingen til ændring af dennes profil afhængig af luftens temperatur |
US6865826B1 (en) | 2004-01-21 | 2005-03-15 | Lakin General Corporation | Impeller blade for snowblower |
US7247002B2 (en) * | 2004-12-02 | 2007-07-24 | Siemens Power Generation, Inc. | Lamellate CMC structure with interlock to metallic support structure |
US7985048B2 (en) * | 2007-09-25 | 2011-07-26 | The Boeing Company | Folding rotor for an autogyro device |
FR2925015B1 (fr) * | 2007-12-14 | 2010-06-04 | Eurocopter France | Pale de giravion, rotor de giravion muni de ladite pale, et procede de fabrication de cette pale |
US20110142655A1 (en) * | 2009-12-16 | 2011-06-16 | Hiwin Mikrosystem Corp. | Fan set for wind power generator |
US8500407B1 (en) | 2010-03-28 | 2013-08-06 | The Boeing Company | Composite blade root-end drill-through lug and attachment method |
FR2977235B1 (fr) | 2011-06-30 | 2013-07-12 | Eurocopter France | Pale de rotor, et aeronef |
PT2626298E (pt) * | 2012-02-09 | 2014-09-22 | Agustawestland Spa | Lâmina de rotor aeronáutico e método de fabrico relativo |
US9682773B2 (en) | 2013-06-25 | 2017-06-20 | The Boeing Company | Systems and methods for blade attachment |
US9981736B2 (en) | 2016-05-16 | 2018-05-29 | Bell Helicopter Textron Inc. | Folding proprotor blade assembly having integral tang assembly |
US10618632B2 (en) * | 2017-02-13 | 2020-04-14 | Bell Helicopter Textron Inc. | Foldable rotor blade assembly |
US10787244B2 (en) * | 2018-06-19 | 2020-09-29 | Bell Helicopter Textron Inc. | Semi-automatic rotor blade fold mechanism |
US11306601B2 (en) | 2018-10-18 | 2022-04-19 | Raytheon Technologies Corporation | Pinned airfoil for gas turbine engines |
KR20220035104A (ko) * | 2019-06-20 | 2022-03-21 | 갤럭틱 씨오., 엘엘씨 | 통합 인발 성형된 복합재 프로파일 및 이를 제조하기 위한 방법 |
US11725519B2 (en) * | 2021-03-01 | 2023-08-15 | Raytheon Technologies Corporation | Platform for an airfoil of a gas turbine engine |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2369276A (en) * | 1943-08-20 | 1945-02-13 | Robert L Cameron | Folding propeller |
US2546881A (en) * | 1945-11-26 | 1951-03-27 | Harold T Avery | Control system for rotating wing aircraft |
GB621315A (en) * | 1947-02-17 | 1949-04-07 | Frederick William Walton Morle | Improvements relating to compressors and turbines |
NL87657C (de) * | 1953-04-10 | |||
GB909617A (en) * | 1960-03-26 | 1962-10-31 | Westland Aircraft Ltd | Improvements in or relating to blades for rotary wing aircraft |
US3321019A (en) * | 1965-10-22 | 1967-05-23 | United Aircraft Corp | Fiberglass blade |
US3528753A (en) * | 1968-06-14 | 1970-09-15 | United Aircraft Corp | Helicopter blade with non-homogeneous structural spar |
GB1262704A (en) * | 1968-08-10 | 1972-02-02 | Messerschmitt Boelkow Blohm | Helicopter rotor blade |
US3829240A (en) * | 1971-05-17 | 1974-08-13 | Textron Inc | Advanced geometry main rotor blade |
US3754840A (en) * | 1972-05-31 | 1973-08-28 | United Aircraft Corp | Composite helicopter rotor and blade |
DE2327393A1 (de) * | 1972-05-31 | 1973-12-13 | United Aircraft Corp | Zusammengesetztes hubschrauber-rotorblatt |
US3782856A (en) * | 1972-05-31 | 1974-01-01 | United Aircraft Corp | Composite aerodynamic blade with twin-beam spar |
US3813186A (en) * | 1972-10-10 | 1974-05-28 | Textron Inc | Rotor blade shear reinforcement |
FR2234130B1 (de) * | 1973-05-14 | 1976-04-30 | Kamov Nikolai | |
US3942231A (en) * | 1973-10-31 | 1976-03-09 | Trw Inc. | Contour formed metal matrix blade plies |
FR2252916B1 (de) * | 1973-11-30 | 1978-02-24 | Aerospatiale | |
GB1526815A (en) * | 1974-11-26 | 1978-10-04 | Messerschmitt Boelkow Blohm | Stress-reducing connecting assembly |
US4083656A (en) * | 1975-03-21 | 1978-04-11 | Textron, Inc. | Composite rotor blade |
FR2397325A1 (fr) * | 1977-07-13 | 1979-02-09 | Aerospatiale | Moyeu de rotor, en particulier pour le rotor principal d'un helicoptere |
DE2826656C3 (de) * | 1978-06-19 | 1986-01-09 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Anschlußelement für einen Flügel aus faserverstärktem Kunststoff |
US4247255A (en) * | 1979-03-15 | 1981-01-27 | The Boeing Company | Composite rotor blade root end |
FR2542695B1 (fr) * | 1983-03-18 | 1985-07-26 | Aerospatiale | Helice multipale a pas variable a pale s en materiaux composites demontables individuellement, procede de fabrication de telles pales et pales ainsi realisees |
FR2574752B1 (fr) * | 1984-12-19 | 1987-02-20 | Aerospatiale | Pale pour rotor d'helicoptere en materiau composite multilongeron a caissons de torsion et son procede de fabrication |
-
1989
- 1989-10-16 US US07/422,118 patent/US5074753A/en not_active Expired - Lifetime
-
1990
- 1990-09-17 DE DE69018250T patent/DE69018250T2/de not_active Expired - Lifetime
- 1990-09-17 JP JP51549190A patent/JP3303237B2/ja not_active Expired - Lifetime
- 1990-09-17 EP EP90916909A patent/EP0448705B1/de not_active Expired - Lifetime
- 1990-09-17 WO PCT/US1990/005171 patent/WO1991005700A1/en active IP Right Grant
- 1990-09-17 AU AU67232/90A patent/AU6723290A/en not_active Abandoned
- 1990-10-15 IL IL96005A patent/IL96005A0/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0448705A1 (de) | 1991-10-02 |
JP3303237B2 (ja) | 2002-07-15 |
WO1991005700A1 (en) | 1991-05-02 |
US5074753A (en) | 1991-12-24 |
AU6723290A (en) | 1991-05-16 |
EP0448705B1 (de) | 1995-03-29 |
IL96005A0 (en) | 1991-07-18 |
EP0448705A4 (en) | 1992-01-15 |
DE69018250T2 (de) | 1995-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |