CA2320629A1 - Prop rotor hub - Google Patents
Prop rotor hub Download PDFInfo
- Publication number
- CA2320629A1 CA2320629A1 CA002320629A CA2320629A CA2320629A1 CA 2320629 A1 CA2320629 A1 CA 2320629A1 CA 002320629 A CA002320629 A CA 002320629A CA 2320629 A CA2320629 A CA 2320629A CA 2320629 A1 CA2320629 A1 CA 2320629A1
- Authority
- CA
- Canada
- Prior art keywords
- yoke
- hub
- hub assembly
- assembly
- plates
- 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.)
- Abandoned
Links
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 235000021538 Chard Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
- Y10S464/904—Homokinetic coupling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Braking Arrangements (AREA)
- Tires In General (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/410,640 | 1999-10-01 | ||
| US09/410,640 US6296444B1 (en) | 1999-10-01 | 1999-10-01 | Prop rotor hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2320629A1 true CA2320629A1 (en) | 2001-04-01 |
Family
ID=23625598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002320629A Abandoned CA2320629A1 (en) | 1999-10-01 | 2000-09-26 | Prop rotor hub |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6296444B1 (enExample) |
| EP (1) | EP1088755B1 (enExample) |
| JP (1) | JP2001130494A (enExample) |
| KR (1) | KR20010050747A (enExample) |
| CA (1) | CA2320629A1 (enExample) |
| DE (2) | DE1088755T1 (enExample) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20010101A1 (it) | 2001-02-02 | 2002-08-02 | Agusta Spa | Rotore con gruppo di trasmissione omocinetico per un aeromobile. |
| FR2837784B1 (fr) * | 2002-03-28 | 2004-05-28 | Eurocopter France | Rotor de giravion a entrainement homocinetique avec differentiel de partage de couple |
| US6902508B2 (en) * | 2003-06-18 | 2005-06-07 | Clayton International, Inc. | Helicopter mainshaft assembly and drive assembly including the same |
| US6981844B2 (en) * | 2003-10-08 | 2006-01-03 | Hamilton Sundstrand | Cyclic actuation system for a controllable pitch propeller and a method of providing aircraft control therewith |
| EP1888930B1 (en) * | 2005-06-07 | 2012-10-10 | Bell Helicopter Textron Inc. | Improved constant-velocity joint for tiltrotor hubs |
| CA2592947C (en) * | 2005-11-30 | 2011-10-11 | Bell Helicopter Textron Inc. | Torque coupling for rotary-wing aircraft |
| EP1971521B1 (en) * | 2006-01-13 | 2012-11-07 | Bell Helicopter Textron Inc. | Stiff-in-plane gimbaled tiltrotor hub |
| MX2008014460A (es) * | 2006-05-12 | 2009-04-30 | Textron Innovations Inc | Horquilla con encastres de brazos ranurados. |
| JP2009538249A (ja) | 2006-05-19 | 2009-11-05 | ベル ヘリコプター テクストロン インコーポレイテッド | ジンバル式のロータハブ用の等速駆動システム |
| WO2008091376A2 (en) * | 2006-07-25 | 2008-07-31 | Lord Corporation | Tiltrotor aircraft drivelink |
| US8801378B2 (en) | 2010-02-24 | 2014-08-12 | Sikorsky Aircraft Corporation | Low offset hingeless rotor with pitch change bearings |
| 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 |
| WO2013066475A2 (en) | 2011-08-19 | 2013-05-10 | Aerovironment, Inc. | System for protecting a rotatable shaft of a motor from excessive bending moments |
| US9327832B2 (en) | 2011-10-03 | 2016-05-03 | Bell Helicopter Textron Inc. | Elastomeric bearing with tapered shims |
| US9193454B2 (en) * | 2012-10-24 | 2015-11-24 | Bell Helicopter Textron Inc. | System and method for providing for collective control in an aircraft |
| US9074638B2 (en) | 2013-03-14 | 2015-07-07 | Bell Helicopter Textron Inc. | Multilink constant velocity joint |
| US9994311B2 (en) | 2013-04-29 | 2018-06-12 | Bell Helicopter Textron Inc. | Constant-velocity joint link with reduced axial stiffness |
| US9334048B2 (en) * | 2013-09-18 | 2016-05-10 | Bell Helicopter Textron Inc. | Elastomeric bearing having tapered layers |
| US9657816B2 (en) * | 2013-11-01 | 2017-05-23 | Bell Helicopter Textron Inc. | Drive link for tiltrotor rotor system |
| WO2015084340A1 (en) | 2013-12-04 | 2015-06-11 | Sikorsky Aircraft Corporation | Rotor shaft closeout plate |
| US9701403B2 (en) * | 2014-02-18 | 2017-07-11 | Bell Helicopter Textron Inc. | Broad goods composite yoke for rotor system |
| US9555881B2 (en) | 2014-04-02 | 2017-01-31 | The Boeing Company | Propeller/rotor control apparatus and method |
| US10654566B2 (en) | 2014-09-29 | 2020-05-19 | Sikorsky Aircraft Corporation | Integrated main rotor hub and shaft |
| US10232932B2 (en) * | 2017-03-22 | 2019-03-19 | Bell Helicopter Textron Inc. | High stiffness hub assembly for proprotor systems |
| US10507912B2 (en) | 2017-07-13 | 2019-12-17 | Bell Textron Inc. | Inboard bearing assemblies with improved accessibility |
| US10472059B2 (en) | 2017-07-13 | 2019-11-12 | Bell Textron Inc. | Inboard bearing assemblies for proprotor systems |
| US10494091B2 (en) | 2017-07-13 | 2019-12-03 | Bell Textron Inc. | Hub bolt supported inboard bearing assemblies |
| US10479497B2 (en) | 2017-07-13 | 2019-11-19 | Bell Textron Inc. | Inboard bearing assemblies having load transfer shoe bolts |
| US10514060B2 (en) | 2017-07-13 | 2019-12-24 | Textron Innovations Inc. | Inboard bearing assemblies with anti-rotation features |
| US10486807B2 (en) | 2017-07-13 | 2019-11-26 | Bell Textron Inc. | Inboard bearing assemblies having independent shoes |
| US11027834B2 (en) | 2018-02-22 | 2021-06-08 | Textron Innovations Inc. | Inboard centrifugal force bearing attachment |
| EP3755623A1 (en) * | 2018-05-08 | 2020-12-30 | AVX Aircraft Company | Rotor hub |
| EP3929077B1 (en) | 2020-06-25 | 2022-08-03 | LEONARDO S.p.A. | Rotor for an aircraft capable of hovering |
| WO2024241270A1 (en) | 2023-05-23 | 2024-11-28 | Leonardo S.P.A. | Transmission joint for a rotor comprising a plurality of blades |
| EP4470915A1 (en) | 2023-05-23 | 2024-12-04 | Leonardo S.p.a. | Transmission joint for a rotor comprising a plurality of blades |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3804552A (en) * | 1972-07-05 | 1974-04-16 | Textron Inc | Four blade main rotor control power coupling |
| US4012169A (en) * | 1973-05-10 | 1977-03-15 | Societe Nationale Industrielle Aerospatiale | Rotor for rotating wing type aircraft |
| GB1432117A (en) * | 1973-05-10 | 1976-04-14 | Aerospatiale | Rotor for rotating wing type aircraft |
| GB1458874A (en) | 1974-09-06 | 1976-12-15 | Westland Aircraft Ltd | Semi-rigid rotors for 'otary wing aircraft |
| US4037988A (en) | 1974-11-25 | 1977-07-26 | The Boeing Company | Flexure having pitch flap coupling |
| IT1053964B (it) * | 1975-02-26 | 1981-10-10 | Daimler Benz Ag | Dispositivo per smorzare le oscillazioni nelle trasmissione di autoveicoli |
| GB1535391A (en) | 1976-05-11 | 1978-12-13 | Westland Aircraft Ltd | Helicopter rotors |
| GB2007176B (en) | 1977-09-07 | 1982-01-06 | Westland Aircraft Ltd | Helicopters |
| US4232563A (en) * | 1978-03-16 | 1980-11-11 | Barry Wright Corporation | Laminated elastomeric end bearings for articulating links |
| US4293276A (en) | 1978-10-27 | 1981-10-06 | Textron Inc. | Laminated composite rotor yoke |
| US4247255A (en) * | 1979-03-15 | 1981-01-27 | The Boeing Company | Composite rotor blade root end |
| US4430045A (en) | 1979-04-24 | 1984-02-07 | Bell Helicopter Textron, Inc. | Helicopter power train for distributing rotor blade flapping displacements through a plurality of drive train components |
| FR2457417A1 (fr) * | 1979-05-25 | 1980-12-19 | Hutchinson Mapa | Perfectionnements apportes aux ensembles du genre des butees elastiques |
| DE3134310C2 (de) * | 1981-08-29 | 1983-06-30 | Daimler-Benz Ag, 7000 Stuttgart | "Einrichtung zur Dämpfung von Schwingungen im Antriebsstrang eines Kraftfahrzeuges" |
| US4564336A (en) | 1982-03-15 | 1986-01-14 | Hughes Helicopters, Inc. | Low drag, bearingless rotor head for helicopters |
| US4541777A (en) | 1982-03-15 | 1985-09-17 | Hughes Helicopters, Inc. | Low drag, bearingless rotor head for helicopters |
| US4427340A (en) * | 1982-06-24 | 1984-01-24 | Bell Helicopter Textron Inc. | Soft inplane bearingless helicopter rotor |
| US4650401A (en) | 1983-04-07 | 1987-03-17 | Mcdonnell Douglas Helicopter Company | Flat strap cruciform flexure for helicopter rotor systems |
| EP0135296B1 (en) | 1983-08-22 | 1987-06-03 | Westland Group plc | Helicopter rotors |
| GB2160619B (en) * | 1984-06-20 | 1987-10-14 | United Technologies Corp | Elastomeric high torque constant velocity joint |
| EP0221678B1 (en) | 1985-10-15 | 1990-03-07 | Westland Group plc | Helicopter rotor |
| US4729753A (en) | 1985-11-04 | 1988-03-08 | Bell Helicopter Textron Inc. | Constant velocity elastomeric bearing joint |
| US4804352A (en) | 1987-01-30 | 1989-02-14 | Lord Corporation | Link-type rotary coupling |
| US5059094A (en) * | 1989-10-13 | 1991-10-22 | Bell Helicopter Textron, Inc. | Rotor redundant force retention system for vtol and vstol aircraft |
| US5186686A (en) | 1990-05-11 | 1993-02-16 | Lord Corporation | Link and bearing for rotary coupling |
| DE69115565T2 (de) | 1990-05-30 | 1996-05-02 | United Technologies Corp | Verbesserte Nabengelenksverbindung für einen Helikopterrotor mit elastischen Blättern |
| US5263821A (en) | 1991-01-15 | 1993-11-23 | United Technologies Corporation | Mid-beam jointed reconfigurable bearingless main rotor assembly |
| FR2678579B1 (fr) | 1991-07-03 | 1997-03-21 | Aerospatiale | Tete de rotor de giravion, rigide en trainee et articulee en pas et battement. |
| US5297934A (en) | 1991-08-02 | 1994-03-29 | The Boeing Company | Compensation for kinematic foreshortening effect in pitch control system for rotary wing aircraft |
| JP2655985B2 (ja) * | 1993-03-17 | 1997-09-24 | 防衛庁技術研究本部長 | 回転翼航空機の無関節ハブ構造 |
| US5358381A (en) | 1993-03-19 | 1994-10-25 | Bell Helicopter Textron Inc. | Yoke for helicopter rotor systems |
| US5620305A (en) * | 1995-03-20 | 1997-04-15 | The Boeing Company | Hub for rotary wing aircraft |
-
1999
- 1999-10-01 US US09/410,640 patent/US6296444B1/en not_active Expired - Lifetime
-
2000
- 2000-09-26 CA CA002320629A patent/CA2320629A1/en not_active Abandoned
- 2000-09-27 EP EP00203353A patent/EP1088755B1/en not_active Expired - Lifetime
- 2000-09-27 DE DE1088755T patent/DE1088755T1/de active Pending
- 2000-09-27 DE DE60002808T patent/DE60002808T2/de not_active Expired - Lifetime
- 2000-09-29 KR KR1020000057295A patent/KR20010050747A/ko not_active Withdrawn
- 2000-10-02 JP JP2000301571A patent/JP2001130494A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010050747A (ko) | 2001-06-15 |
| EP1088755B1 (en) | 2003-05-21 |
| JP2001130494A (ja) | 2001-05-15 |
| US6296444B1 (en) | 2001-10-02 |
| EP1088755A3 (en) | 2001-12-19 |
| DE60002808T2 (de) | 2004-03-11 |
| DE60002808D1 (de) | 2003-06-26 |
| EP1088755A2 (en) | 2001-04-04 |
| DE1088755T1 (de) | 2001-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |