FR2778165B1 - Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales - Google Patents
Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des palesInfo
- Publication number
- FR2778165B1 FR2778165B1 FR9805389A FR9805389A FR2778165B1 FR 2778165 B1 FR2778165 B1 FR 2778165B1 FR 9805389 A FR9805389 A FR 9805389A FR 9805389 A FR9805389 A FR 9805389A FR 2778165 B1 FR2778165 B1 FR 2778165B1
- Authority
- FR
- France
- Prior art keywords
- blades
- torsible
- supporting blade
- bearings supporting
- blade foot
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/33—Rotors having flexing arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805389A FR2778165B1 (fr) | 1998-04-29 | 1998-04-29 | Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales |
US09/299,823 US6113352A (en) | 1998-04-29 | 1999-04-26 | Hingeless rotor with precompressed half-bearings supporting blade root oversleeves on torsionable blade root strips |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9805389A FR2778165B1 (fr) | 1998-04-29 | 1998-04-29 | Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2778165A1 FR2778165A1 (fr) | 1999-11-05 |
FR2778165B1 true FR2778165B1 (fr) | 2000-07-13 |
Family
ID=9525820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9805389A Expired - Fee Related FR2778165B1 (fr) | 1998-04-29 | 1998-04-29 | Rotor sans articulation avec demi-paliers precomprimes d'appui des manchettes de pied de pale sur des lames torsibles d'emplanture des pales |
Country Status (2)
Country | Link |
---|---|
US (1) | US6113352A (fr) |
FR (1) | FR2778165B1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2839945B1 (fr) * | 2002-05-24 | 2004-08-13 | Hutchinson | Dispositif combine amortisseur-rotule pour rotor d'helicoptere |
US8414234B2 (en) * | 2004-10-15 | 2013-04-09 | Q'Straint | 3-point wheelchair passenger securement system |
US7980522B2 (en) * | 2007-12-28 | 2011-07-19 | Alion Science And Technology Corporation | Trailing edge blade clamp |
EP2279943A4 (fr) * | 2008-04-21 | 2012-05-09 | Boris Andreevich Polovinkin | Autogire à décollage et atterrissage verticaux |
US7871034B2 (en) * | 2008-04-23 | 2011-01-18 | Abe Karem | Rotor hub systems and methods |
US9884680B2 (en) | 2008-12-11 | 2018-02-06 | Sikorsky Aircraft Corporation | Elastomeric bearing system motion limiter |
US9457897B2 (en) * | 2013-02-27 | 2016-10-04 | Bell Helicopter Textron Inc. | Rotor system shear bearing |
US10336445B2 (en) * | 2013-03-12 | 2019-07-02 | Bell Helicopter Textron Inc. | High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes |
US9771152B2 (en) * | 2013-03-20 | 2017-09-26 | Sikorsky Aircraft Corporation | Flexbeam to rotor blade interface |
US10793264B2 (en) * | 2014-06-27 | 2020-10-06 | Sikorsky Aircraft Corporation | Flex beam clamp for rotor assembly |
US10309452B2 (en) * | 2014-09-30 | 2019-06-04 | Aktiebolaget Skf | Cylindrical bearing with thermally conductive members |
US11454280B2 (en) * | 2020-06-30 | 2022-09-27 | Textron Innovations Inc. | Rotor retention fitting with integral bearing and pitch control |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2285298A1 (fr) | 1974-09-19 | 1976-04-16 | Aerospatiale | Agencement de rotor de queue pour giravions |
US4244677A (en) | 1978-07-12 | 1981-01-13 | United Technologies Corporation | Cross-beam helicopter rotor with readily replaceable snubber |
US4427340A (en) * | 1982-06-24 | 1984-01-24 | Bell Helicopter Textron Inc. | Soft inplane bearingless helicopter rotor |
JP2667176B2 (ja) * | 1987-11-10 | 1997-10-27 | 富士重工業株式会社 | ヘリコプタのピッチ変更及びリードラグ減衰装置 |
US5092738A (en) * | 1990-04-06 | 1992-03-03 | United Technologies Corporation | Flexbeam helicopter rotor with improved snubber-vibration damper between the torque tube and the flexible spar member |
-
1998
- 1998-04-29 FR FR9805389A patent/FR2778165B1/fr not_active Expired - Fee Related
-
1999
- 1999-04-26 US US09/299,823 patent/US6113352A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6113352A (en) | 2000-09-05 |
FR2778165A1 (fr) | 1999-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name |
Owner name: AIRBUS HELICOPTERS, FR Effective date: 20150203 |
|
PLFP | Fee payment |
Year of fee payment: 18 |
|
ST | Notification of lapse |
Effective date: 20161230 |