CA1113912A - Compound hub spring system for helicopters - Google Patents
Compound hub spring system for helicoptersInfo
- Publication number
- CA1113912A CA1113912A CA308,309A CA308309A CA1113912A CA 1113912 A CA1113912 A CA 1113912A CA 308309 A CA308309 A CA 308309A CA 1113912 A CA1113912 A CA 1113912A
- Authority
- CA
- Canada
- Prior art keywords
- mast
- flapping
- elastomeric
- rotor
- angle
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Springs (AREA)
- Discharge By Other Means (AREA)
- Vibration Prevention Devices (AREA)
- Toys (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82362477A | 1977-08-11 | 1977-08-11 | |
US823,624 | 1977-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1113912A true CA1113912A (en) | 1981-12-08 |
Family
ID=25239266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA308,309A Expired CA1113912A (en) | 1977-08-11 | 1978-07-27 | Compound hub spring system for helicopters |
Country Status (6)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497173A1 (fr) * | 1980-12-26 | 1982-07-02 | Aerospatiale | Butee lamifiee de forme courbe, notamment pour rotor d'helicoptere |
ES2612127T3 (es) | 2009-06-02 | 2017-05-12 | Ums Skeldar Sweden Ab | Amortiguador de rotor y motor de cola con tal amortiguador de rotor |
DE102015107596B3 (de) * | 2015-05-13 | 2016-10-20 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Hubschrauber mit Einrichtungen zum Vermeiden des Mast Bumping |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1111541A (fr) * | 1953-07-22 | 1956-03-01 | Doman Helicopters | Rotor à libre inclinaison pour engins aériens à autosustentation |
US3804552A (en) * | 1972-07-05 | 1974-04-16 | Textron Inc | Four blade main rotor control power coupling |
US3807896A (en) * | 1972-10-10 | 1974-04-30 | Textron Inc | Concentric tube spring rotor mount |
-
1978
- 1978-07-27 CA CA308,309A patent/CA1113912A/en not_active Expired
- 1978-08-02 DE DE19782833813 patent/DE2833813A1/de active Granted
- 1978-08-09 IT IT50673/78A patent/IT1107202B/it active
- 1978-08-11 JP JP9743778A patent/JPS5453497A/ja active Granted
- 1978-08-11 GB GB7833011A patent/GB2002308B/en not_active Expired
- 1978-08-11 FR FR7823781A patent/FR2399945A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2399945B1 (US07118763-20061010-C00002.png) | 1983-02-18 |
DE2833813A1 (de) | 1979-02-22 |
IT1107202B (it) | 1985-11-25 |
JPS6239B2 (US07118763-20061010-C00002.png) | 1987-01-06 |
DE2833813C2 (US07118763-20061010-C00002.png) | 1987-01-02 |
JPS5453497A (en) | 1979-04-26 |
GB2002308B (en) | 1982-01-06 |
FR2399945A1 (fr) | 1979-03-09 |
GB2002308A (en) | 1979-02-21 |
IT7850673A0 (it) | 1978-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |