IN2015DE00263A - - Google Patents
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- Publication number
- IN2015DE00263A IN2015DE00263A IN263DE2015A IN2015DE00263A IN 2015DE00263 A IN2015DE00263 A IN 2015DE00263A IN 263DE2015 A IN263DE2015 A IN 263DE2015A IN 2015DE00263 A IN2015DE00263 A IN 2015DE00263A
- Authority
- IN
- India
- Prior art keywords
- bearings
- rotor
- freedom
- arm assembly
- pitch shaft
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/35—Rotors having elastomeric joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/37—Rotors having articulated joints
- B64C27/39—Rotors having articulated joints with individually articulated blades, i.e. with flapping or drag hinges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49332—Propeller making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Support Of The Bearing (AREA)
- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/245,113 US9796469B2 (en) | 2014-04-04 | 2014-04-04 | Modular rotor craft rotor hub system |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2015DE00263A true IN2015DE00263A (zh) | 2015-10-09 |
Family
ID=52987922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN263DE2015 IN2015DE00263A (zh) | 2014-04-04 | 2015-01-29 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9796469B2 (zh) |
EP (1) | EP2927121B1 (zh) |
JP (1) | JP6490427B2 (zh) |
CN (1) | CN104973244B (zh) |
ES (1) | ES2646128T3 (zh) |
IN (1) | IN2015DE00263A (zh) |
RU (1) | RU2678228C2 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10287007B2 (en) * | 2016-01-19 | 2019-05-14 | The Boeing Company | Rotorcraft and associated rotor blade position monitoring system and method |
US10308356B2 (en) * | 2016-11-22 | 2019-06-04 | Bell Helicopter Textron Inc. | Axial springs for rotor hub assembly |
CN106828973B (zh) * | 2017-02-10 | 2020-02-07 | 中国航发沈阳发动机研究所 | 一种螺旋桨离心载荷试验装置 |
CN109305346A (zh) * | 2018-11-27 | 2019-02-05 | 歌尔股份有限公司 | 一种无人机飞行器 |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3200887A (en) * | 1963-08-09 | 1965-08-17 | Enstrom Corp | Helicopter rotor system having elastomeric bearings |
US3556673A (en) * | 1968-10-11 | 1971-01-19 | Bolkow Gmbh | Rotor mounting |
US3589835A (en) * | 1969-07-17 | 1971-06-29 | United Aircraft Corp | Variable stiffness rotor |
US3652185A (en) * | 1970-03-13 | 1972-03-28 | Textron Inc | Elastomeric rotor blade mount |
US3700352A (en) * | 1971-03-05 | 1972-10-24 | Lord Corp | Rotor system |
US3782854A (en) | 1972-07-05 | 1974-01-01 | United Aircraft Corp | Elastomeric bearing for a helicopter rotor |
US3759632A (en) * | 1972-07-05 | 1973-09-18 | United Aircraft Corp | Articulated helicopter rotor |
US3862812A (en) * | 1973-07-18 | 1975-01-28 | Lord Corp | Rotor blade retention system |
DE2643166A1 (de) * | 1975-11-03 | 1977-05-12 | United Technologies Corp | Elastomeres lager fuer hubschrauberrotor |
GB1534404A (en) * | 1976-07-15 | 1978-12-06 | Westland Aircraft Ltd | Helicopter rotors |
US4089211A (en) * | 1976-11-01 | 1978-05-16 | United Technologies Corporation | Elastomeric bearing test machine |
US4135856A (en) * | 1977-02-03 | 1979-01-23 | Lord Corporation | Rotor blade retention system |
US4333728A (en) * | 1977-08-11 | 1982-06-08 | Textron, Inc. | Compound hub spring system for helicopters |
US4251187A (en) * | 1978-05-25 | 1981-02-17 | Kaman Aerospace Corporation | Blade retention bearing for helicopter rotor |
FR2458457A1 (fr) * | 1979-06-05 | 1981-01-02 | Aerospatiale | Rotor de giravion a moyeu articule compact |
US4341499A (en) * | 1980-03-24 | 1982-07-27 | Barry Wright Corporation | Blade retention system |
IT1129070B (it) * | 1980-04-03 | 1986-06-04 | Agusta Aeronaut Costr | Rotore a giunti elastomerici per elicotteri |
US4543040A (en) | 1982-09-30 | 1985-09-24 | The Boeing Company | Helicopter rotor system |
DE3241754C2 (de) * | 1982-11-11 | 1986-02-06 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Rotor, insbesondere eines Drehflügelflugzeuges |
FR2564057B1 (fr) * | 1984-05-14 | 1986-10-31 | Aerospatiale | Dispositif a plateaux cycliques montes sur articulations lamifiees pour la commande du pas des pales d'un rotor |
US4986735A (en) * | 1989-10-13 | 1991-01-22 | Bell Helicopter Textron, Inc. | Pitch change bearing system |
IT1240177B (it) * | 1990-04-06 | 1993-11-27 | Agusta Spa | Rotore principale per elicotteri |
US5407325A (en) * | 1990-09-27 | 1995-04-18 | Societe Nationale Industrielle Et Aerospatiale | Rotor head for rotary wing aircraft |
US5601408A (en) * | 1996-03-18 | 1997-02-11 | Sikorsky Aircraft Corporation | Axisymmetric elastomeric bearing assembly for helicopter rotors |
US6050778A (en) * | 1998-09-24 | 2000-04-18 | The Boeing Company | Semi-articulated rotor system |
US6309182B1 (en) | 2000-04-05 | 2001-10-30 | The Boeing Company | Helicopter rotor droop stop mechanism |
US6413048B1 (en) | 2000-09-29 | 2002-07-02 | The Boeing Company | Elastomeric bearing |
US6481894B1 (en) * | 2001-02-23 | 2002-11-19 | Lord Corporation | Pitch bearing |
US6889965B2 (en) | 2001-10-10 | 2005-05-10 | The Boeing Company | Opposing conical preloaded elastomeric bearing assembly |
EP1316503B1 (en) | 2001-10-10 | 2006-12-13 | The Boeing Company | Elastomeric bearing assembly with preloaded opposing conical bearing elements and method of forming the same |
US6688767B2 (en) | 2001-12-11 | 2004-02-10 | The Boeing Company | Self-aligning dynamic hinge sleeve |
US7097169B2 (en) | 2004-08-04 | 2006-08-29 | Skf Usa Inc. | Elastomeric bearing with modified cylindrical core |
US8511997B2 (en) * | 2007-12-19 | 2013-08-20 | Sikorsky Aircraft Corporation | Uniform fatigue life spherical elastomeric bearing |
FR2927881B1 (fr) * | 2008-02-27 | 2010-10-29 | Eurocopter France | Helicoptere muni d'une pluralite d'elements sustentateurs pour commander l'incidence de ses pales |
RU2376201C1 (ru) | 2008-05-08 | 2009-12-20 | Открытое акционерное общество "Камов" | Несущий винт винтокрылого летательного аппарата с системой складывания лопастей |
US9068621B1 (en) * | 2010-11-23 | 2015-06-30 | Lord Corporation | Rotary wing aircraft bearing for rotary wing aircraft motions |
CN101973399B (zh) * | 2010-09-30 | 2012-11-28 | 南京航空航天大学 | 倾转旋翼飞行器用等速万向铰桨毂 |
US9327832B2 (en) * | 2011-10-03 | 2016-05-03 | Bell Helicopter Textron Inc. | Elastomeric bearing with tapered shims |
US9702402B2 (en) * | 2011-10-28 | 2017-07-11 | Textron Innovations Inc. | Increased capacity spherical lined bearings |
US9085357B2 (en) * | 2011-11-15 | 2015-07-21 | Textron Innovations Inc. | Rotor hub bearing system |
US8926281B2 (en) * | 2012-02-21 | 2015-01-06 | Textron Innovations Inc. | Compact rotorcraft dual-element spherical elastomeric centrifugal-force bearing assembly |
US9352830B2 (en) * | 2012-04-25 | 2016-05-31 | Textron Innovations Inc. | Aircraft rotor with discrete flap hinge |
-
2014
- 2014-04-04 US US14/245,113 patent/US9796469B2/en active Active
-
2015
- 2015-01-05 JP JP2015000213A patent/JP6490427B2/ja active Active
- 2015-01-29 IN IN263DE2015 patent/IN2015DE00263A/en unknown
- 2015-02-02 RU RU2015103195A patent/RU2678228C2/ru active
- 2015-04-02 ES ES15162498.8T patent/ES2646128T3/es active Active
- 2015-04-02 CN CN201510155626.4A patent/CN104973244B/zh active Active
- 2015-04-02 EP EP15162498.8A patent/EP2927121B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2927121B1 (en) | 2017-08-09 |
EP2927121A1 (en) | 2015-10-07 |
US9796469B2 (en) | 2017-10-24 |
CN104973244A (zh) | 2015-10-14 |
RU2015103195A (ru) | 2016-08-20 |
RU2678228C2 (ru) | 2019-01-24 |
CN104973244B (zh) | 2018-11-02 |
ES2646128T3 (es) | 2017-12-12 |
JP6490427B2 (ja) | 2019-03-27 |
US20150284077A1 (en) | 2015-10-08 |
RU2015103195A3 (zh) | 2018-07-12 |
JP2015199486A (ja) | 2015-11-12 |
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