FR2315433A1 - Systeme de fixation de poids en bout de pale d'helicoptere - Google Patents
Systeme de fixation de poids en bout de pale d'helicoptereInfo
- Publication number
- FR2315433A1 FR2315433A1 FR7618040A FR7618040A FR2315433A1 FR 2315433 A1 FR2315433 A1 FR 2315433A1 FR 7618040 A FR7618040 A FR 7618040A FR 7618040 A FR7618040 A FR 7618040A FR 2315433 A1 FR2315433 A1 FR 2315433A1
- Authority
- FR
- France
- Prior art keywords
- attachment system
- blade end
- end weight
- weight attachment
- helicopter 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/008—Rotors tracking or balancing devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/590,234 US3999888A (en) | 1975-06-25 | 1975-06-25 | Composite tip weight attachment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2315433A1 true FR2315433A1 (fr) | 1977-01-21 |
| FR2315433B1 FR2315433B1 (enExample) | 1982-04-30 |
Family
ID=24361408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7618040A Granted FR2315433A1 (fr) | 1975-06-25 | 1976-06-15 | Systeme de fixation de poids en bout de pale d'helicoptere |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3999888A (enExample) |
| JP (1) | JPS522999A (enExample) |
| CA (1) | CA1029704A (enExample) |
| FR (1) | FR2315433A1 (enExample) |
| GB (1) | GB1549263A (enExample) |
| IT (1) | IT1081218B (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451206A (en) * | 1981-06-05 | 1984-05-29 | Office Nationale D'etudes Et De Recherches Aerospatiales | Blade end for rotary wing of an aircraft and rotary wing provided with such blade ends |
| EP0237772A1 (de) * | 1986-03-06 | 1987-09-23 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Einrichtung zur Auswuchtung eines Rotorblattes |
| WO1994013530A3 (en) * | 1992-12-01 | 1996-10-17 | United Technologies Corp | Rotor blade balance weight assembly |
| FR2926535A1 (fr) | 2008-01-23 | 2009-07-24 | Eurocopter France | Dispositif et procede d'equilibrage dynamique d'une pale |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329119A (en) * | 1977-08-02 | 1982-05-11 | The Boeing Company | Rotor blade internal damper |
| US4142837A (en) * | 1977-11-11 | 1979-03-06 | United Technologies Corporation | Helicopter blade |
| US4150920A (en) * | 1977-12-02 | 1979-04-24 | The United States Of America As Represented By The Secretary Of The Army | Rotor blade tipweight assembly |
| IT1205404B (it) * | 1983-05-05 | 1989-03-15 | Agusta Aeronaut Costr | Rotore per elicotteri |
| US4601639A (en) * | 1984-03-19 | 1986-07-22 | Bell Helicopter Textron Inc. | Nodalized rotor |
| US5346367A (en) * | 1984-12-21 | 1994-09-13 | United Technologies Corporation | Advanced composite rotor blade |
| FR2581708B1 (fr) * | 1985-05-09 | 1989-04-28 | Snecma | Capotage pour bord d'attaque d'aube de soufflante de turboreacteur |
| US5145320A (en) * | 1990-08-28 | 1992-09-08 | The United States Of America As Represented By The Secretary Of The Navy | Mass loaded composite rotor for vibro-acoustic application |
| US5304038A (en) * | 1992-01-03 | 1994-04-19 | Bird-Johnson Company | Built-up marine propeller blade balancing |
| US5501434A (en) * | 1994-05-10 | 1996-03-26 | Lord Corporation | Hybrid fluid and elastomer damper |
| US5475622A (en) * | 1994-08-31 | 1995-12-12 | United Technologies Corp. | Method and apparatus for balancing helicopter rotor blades |
| US5542820A (en) * | 1994-12-23 | 1996-08-06 | United Technologies Corporation | Engineered ceramic components for the leading edge of a helicopter rotor blade |
| US5885059A (en) * | 1996-12-23 | 1999-03-23 | Sikorsky Aircraft Corporation | Composite tip cap assembly for a helicopter main rotor blade |
| US6024325A (en) * | 1997-01-09 | 2000-02-15 | Cartercopters, Llc | Rotor for rotary wing aircraft |
| US5908522A (en) * | 1997-11-07 | 1999-06-01 | Composite Technology, Inc. | Supplemental leading edge wear strip for a rotor blade |
| FR2776264B1 (fr) * | 1998-03-23 | 2000-06-02 | Eurocopter France | Pale a pas variable en materiau composite pour rotor d'helicoptere et procede de fabrication d'une telle pale |
| FR2781196B1 (fr) | 1998-07-17 | 2000-09-15 | Eurocopter France | Pale de rotor de giravion avec dispositif d'equilibrage statique et dynamique et procede d'equilibrage d'une pale |
| RU2148532C1 (ru) * | 1999-03-29 | 2000-05-10 | Открытое Акционерное Общество "Московский Вертолетный Завод Им. М.Л. Миля" | Лопасть несущего винта вертолета |
| RU2175931C1 (ru) * | 2000-05-31 | 2001-11-20 | Шацкий Геннадий Юрьевич | Лопасть винта вертолета |
| CA2454575C (en) * | 2001-08-02 | 2009-02-24 | Bell Helicopter Textron Inc. | Helicopter main rotor blade balance weight retention assembly |
| US7097427B2 (en) * | 2002-08-02 | 2006-08-29 | Bell Helicopter Textron Inc. | Helicopter main rotor blade balance weight retention assembly |
| US7118343B2 (en) * | 2004-05-17 | 2006-10-10 | The Boeing Company | Trailing edge adjustable weight system for helicopter main rotor blades |
| US7465146B2 (en) * | 2005-12-05 | 2008-12-16 | General Electric Company | Methods and systems for turbine rotor balancing |
| EP2021626A4 (en) * | 2006-05-30 | 2013-08-07 | Analytical Design Service Corp | WINDSYSTEM WITH VERTICAL AXIS |
| US8800145B2 (en) * | 2008-12-30 | 2014-08-12 | Sikorsky Aircraft Corporation | Refurbishing method and system for a main rotor blade spar |
| US8672634B2 (en) | 2010-08-30 | 2014-03-18 | United Technologies Corporation | Electroformed conforming rubstrip |
| US9403594B2 (en) * | 2012-09-25 | 2016-08-02 | The Boeing Company | Adjustable payload enclosure for wing |
| US8955409B2 (en) | 2012-10-12 | 2015-02-17 | Hamilton Sundstrand Corporation | Rotating assembly including a dynamic balancing system |
| US11299263B2 (en) | 2016-12-07 | 2022-04-12 | Textron Innovations Inc. | Automatic, active blade tracking and balance system |
| US10981647B2 (en) | 2017-08-02 | 2021-04-20 | Bell Helicopter Textron Inc. | Rotor span-balance pocket |
| US10994835B2 (en) * | 2017-09-28 | 2021-05-04 | Textron Innovations Inc. | Inertia weight assemblies for rotorcraft |
| EP3536947B1 (en) * | 2018-03-08 | 2023-07-12 | Siemens Gamesa Renewable Energy A/S | Protective cover for protecting a leading edge of a wind turbine blade |
| US11891169B2 (en) * | 2019-09-06 | 2024-02-06 | Textron Innovations Inc. | Insert for a blade of a rotary-wing aircraft |
| US11254424B2 (en) * | 2019-09-30 | 2022-02-22 | Textron Innovations Inc. | Balance weight assemblies for rotor blades |
| US12006026B2 (en) | 2020-07-10 | 2024-06-11 | Haymatt, L.L.C. | Sound-reducing rotor blade tracking wedge profile |
| US12497166B2 (en) | 2023-04-07 | 2025-12-16 | Lockheed Martin Corporation | Tip end joint arrangement for a rotor blade with reconfigurable attributes for structural and aerodynamic tuning |
| US12214872B2 (en) | 2023-04-07 | 2025-02-04 | Lockheed Martin Corporation | Tip end joint arrangement for a rotor blade with reconfigurable attributes for structural and aerodynamic tuning |
| US12491986B2 (en) * | 2023-12-19 | 2025-12-09 | Textron Innovations Inc. | Inertial weight system for main rotor blades |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1085142A (fr) * | 1953-06-19 | 1955-01-27 | Sncase | Perfectionnements aux surfaces aérodynamiques et plus particulièrement aux pales d'hélicoptères |
| US3004607A (en) * | 1956-05-15 | 1961-10-17 | Bell Aerospace Corp | Helicopter metal main rotor blade |
| FR1547785A (fr) * | 1967-07-15 | 1968-11-29 | Bolkow Gmbh | Dispositif d'équilibrage pour pales de rotor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA481045A (en) * | 1952-02-12 | General Motors Corporation | Airfoil | |
| US2460351A (en) * | 1945-11-30 | 1949-02-01 | Rheem Mfg Co | Rotor blade |
| US2580363A (en) * | 1947-10-23 | 1951-12-25 | Bell Aircraft Corp | Rotor blade construction |
| US2941603A (en) * | 1956-05-01 | 1960-06-21 | Drago K Jovanovich | Helicopter rotor blade |
| US3103977A (en) * | 1960-11-30 | 1963-09-17 | Sud Aviation | Aerodynamic surfaces, and particularly helicopter blades |
| US3169412A (en) * | 1963-07-12 | 1965-02-16 | Gen Electric | Vibration damping means for gear pinion |
| US3484174A (en) * | 1968-04-08 | 1969-12-16 | Kaman Corp | Rotary wing system |
| US3813186A (en) * | 1972-10-10 | 1974-05-28 | Textron Inc | Rotor blade shear reinforcement |
-
1975
- 1975-06-25 US US05/590,234 patent/US3999888A/en not_active Expired - Lifetime
-
1976
- 1976-03-17 CA CA248,380A patent/CA1029704A/en not_active Expired
- 1976-06-15 FR FR7618040A patent/FR2315433A1/fr active Granted
- 1976-06-16 JP JP51070944A patent/JPS522999A/ja active Granted
- 1976-06-22 GB GB25798/76A patent/GB1549263A/en not_active Expired
- 1976-06-25 IT IT24729/76A patent/IT1081218B/it active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1085142A (fr) * | 1953-06-19 | 1955-01-27 | Sncase | Perfectionnements aux surfaces aérodynamiques et plus particulièrement aux pales d'hélicoptères |
| US3004607A (en) * | 1956-05-15 | 1961-10-17 | Bell Aerospace Corp | Helicopter metal main rotor blade |
| FR1547785A (fr) * | 1967-07-15 | 1968-11-29 | Bolkow Gmbh | Dispositif d'équilibrage pour pales de rotor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451206A (en) * | 1981-06-05 | 1984-05-29 | Office Nationale D'etudes Et De Recherches Aerospatiales | Blade end for rotary wing of an aircraft and rotary wing provided with such blade ends |
| EP0237772A1 (de) * | 1986-03-06 | 1987-09-23 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Einrichtung zur Auswuchtung eines Rotorblattes |
| WO1994013530A3 (en) * | 1992-12-01 | 1996-10-17 | United Technologies Corp | Rotor blade balance weight assembly |
| FR2926535A1 (fr) | 2008-01-23 | 2009-07-24 | Eurocopter France | Dispositif et procede d'equilibrage dynamique d'une pale |
| EP2082957A1 (fr) | 2008-01-23 | 2009-07-29 | Eurocopter | Dispositif et procédé d'équilibrage dynamique d'une pale |
Also Published As
| Publication number | Publication date |
|---|---|
| US3999888A (en) | 1976-12-28 |
| JPS6137159B2 (enExample) | 1986-08-22 |
| FR2315433B1 (enExample) | 1982-04-30 |
| CA1029704A (en) | 1978-04-18 |
| JPS522999A (en) | 1977-01-11 |
| IT1081218B (it) | 1985-05-16 |
| GB1549263A (en) | 1979-08-01 |
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