DE69504089D1 - Dämpfer lager haltevorrichtung für einen lagerfreien hubschrauberrotor - Google Patents
Dämpfer lager haltevorrichtung für einen lagerfreien hubschrauberrotorInfo
- Publication number
- DE69504089D1 DE69504089D1 DE69504089T DE69504089T DE69504089D1 DE 69504089 D1 DE69504089 D1 DE 69504089D1 DE 69504089 T DE69504089 T DE 69504089T DE 69504089 T DE69504089 T DE 69504089T DE 69504089 D1 DE69504089 D1 DE 69504089D1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- holding device
- helicopter rotor
- damper
- free
- 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
- B64C27/35—Rotors having elastomeric joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/51—Damping of blade movements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Wind Motors (AREA)
- Support Of The Bearing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/324,559 US5499903A (en) | 1994-10-18 | 1994-10-18 | Snubber bearing mounting assembly for bearingless rotors |
PCT/US1995/013382 WO1996011842A1 (en) | 1994-10-18 | 1995-10-10 | Snubber bearing mounting assembly for bearingless rotors |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69504089D1 true DE69504089D1 (de) | 1998-09-17 |
DE69504089T2 DE69504089T2 (de) | 1999-04-15 |
Family
ID=23264134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69504089T Expired - Fee Related DE69504089T2 (de) | 1994-10-18 | 1995-10-10 | Dämpfer lager haltevorrichtung für einen lagerfreien hubschrauberrotor |
Country Status (7)
Country | Link |
---|---|
US (1) | US5499903A (de) |
EP (1) | EP0785889B1 (de) |
JP (1) | JPH10507426A (de) |
KR (1) | KR970707016A (de) |
CA (1) | CA2203012A1 (de) |
DE (1) | DE69504089T2 (de) |
WO (1) | WO1996011842A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5690474A (en) * | 1996-07-18 | 1997-11-25 | Sikorsky Aircraft Corporation | Optimized composite flexbeam for helicopter tail rotors |
US5738494A (en) * | 1996-07-18 | 1998-04-14 | Sikorsky Aircraft Corporation | Optimized composite flexbeam for helicopter rotors |
US6695583B2 (en) | 2002-05-30 | 2004-02-24 | Sikorsky Aircraft Corporation | Snubber-vibration damper system for a bearingless main rotor |
US6827553B2 (en) | 2003-01-15 | 2004-12-07 | Lord Corporation | Flexbeam damper assembly having transition shim clamp device |
US8142158B2 (en) | 2005-12-02 | 2012-03-27 | Sikorsky Aircraft Corporation | Compact load path swashplate assembly |
US20090165924A1 (en) * | 2006-11-28 | 2009-07-02 | General Electric Company | Method of manufacturing cmc articles having small complex features |
US7600979B2 (en) | 2006-11-28 | 2009-10-13 | General Electric Company | CMC articles having small complex features |
US8122586B2 (en) | 2008-11-18 | 2012-02-28 | The Boeing Company | Method for connecting a tension-torsion strap |
US9555880B2 (en) * | 2011-02-09 | 2017-01-31 | Sikorsky Aircraft Corporation | Flexbeam rotor |
US9169011B2 (en) | 2011-09-13 | 2015-10-27 | Sikorsky Aircraft Corporation | Rotor with blades including outer blade shell and inner structural member |
US9085357B2 (en) | 2011-11-15 | 2015-07-21 | Textron Innovations Inc. | Rotor hub bearing system |
US9452830B2 (en) * | 2014-01-13 | 2016-09-27 | Sikorsky Aircraft Corporation | Constant velocity drive for tilt rotor assembly |
US9873507B2 (en) * | 2014-02-26 | 2018-01-23 | Bell Helicopter Textron Inc. | Rotorcraft elastomeric bearing assembly |
US11014658B1 (en) | 2015-01-02 | 2021-05-25 | Delbert Tesar | Driveline architecture for rotorcraft featuring active response actuators |
US11104431B2 (en) * | 2015-11-02 | 2021-08-31 | Sikorsky Aircraft Corporation | Rotor blade snubber retainer for a rotary wing aircraft |
US11498669B1 (en) | 2021-04-27 | 2022-11-15 | Lockheed Martin Corporation | Rotor system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4244677A (en) * | 1978-07-12 | 1981-01-13 | United Technologies Corporation | Cross-beam helicopter rotor with readily replaceable snubber |
US4676720A (en) * | 1984-07-10 | 1987-06-30 | Kawasaki Jukogyo Kabushiki Kaisha | Bearingless hub structure for rotary-wing aircrafts |
DE3824815A1 (de) * | 1988-07-21 | 1990-01-25 | Messerschmitt Boelkow Blohm | Rotor, insbesondere eines drehfluegelflugzeugs, abstuetzung einer blattsteuerhuelle |
US5110259A (en) * | 1989-10-13 | 1992-05-05 | Bell Helicopter Textron Inc. | Pitch change bearing system |
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 |
US5120195A (en) * | 1990-10-23 | 1992-06-09 | Schmaling David N | Clevis joint capable of accommodating substantial pivotal motion between its joined members and loading along its axis |
-
1994
- 1994-10-18 US US08/324,559 patent/US5499903A/en not_active Expired - Lifetime
-
1995
- 1995-10-10 DE DE69504089T patent/DE69504089T2/de not_active Expired - Fee Related
- 1995-10-10 EP EP95941327A patent/EP0785889B1/de not_active Expired - Lifetime
- 1995-10-10 WO PCT/US1995/013382 patent/WO1996011842A1/en not_active Application Discontinuation
- 1995-10-10 JP JP8513441A patent/JPH10507426A/ja not_active Ceased
- 1995-10-10 CA CA002203012A patent/CA2203012A1/en not_active Abandoned
-
1997
- 1997-04-17 KR KR1019970702525A patent/KR970707016A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0785889B1 (de) | 1998-08-12 |
EP0785889A1 (de) | 1997-07-30 |
CA2203012A1 (en) | 1996-04-25 |
JPH10507426A (ja) | 1998-07-21 |
US5499903A (en) | 1996-03-19 |
WO1996011842A1 (en) | 1996-04-25 |
KR970707016A (ko) | 1997-12-01 |
DE69504089T2 (de) | 1999-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |