JPS5828160B2 - ロ−タ翼 - Google Patents
ロ−タ翼Info
- Publication number
- JPS5828160B2 JPS5828160B2 JP50042148A JP4214875A JPS5828160B2 JP S5828160 B2 JPS5828160 B2 JP S5828160B2 JP 50042148 A JP50042148 A JP 50042148A JP 4214875 A JP4214875 A JP 4214875A JP S5828160 B2 JPS5828160 B2 JP S5828160B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- angle
- wing
- spar
- rotor
- 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
- B64C27/33—Rotors having flexing arms
-
- 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
-
- 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
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Wind Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Hydraulic Turbines (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US458926A US3874820A (en) | 1974-04-08 | 1974-04-08 | Hingeless in-plane rotor blade design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50154999A JPS50154999A (online.php) | 1975-12-13 |
| JPS5828160B2 true JPS5828160B2 (ja) | 1983-06-14 |
Family
ID=23822654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50042148A Expired JPS5828160B2 (ja) | 1974-04-08 | 1975-04-07 | ロ−タ翼 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3874820A (online.php) |
| JP (1) | JPS5828160B2 (online.php) |
| BR (1) | BR7501444A (online.php) |
| CA (1) | CA1013332A (online.php) |
| DE (1) | DE2502004C2 (online.php) |
| FR (1) | FR2266632B1 (online.php) |
| GB (1) | GB1485683A (online.php) |
| IL (1) | IL46508A (online.php) |
| IT (1) | IT1034426B (online.php) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999886A (en) * | 1974-10-10 | 1976-12-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Hingeless helicopter rotor with improved stability |
| US4037988A (en) * | 1974-11-25 | 1977-07-26 | The Boeing Company | Flexure having pitch flap coupling |
| US4008980A (en) * | 1975-06-26 | 1977-02-22 | United Technologies Corporation | Composite helicopter spar and means to alleviate stress concentration |
| US4028003A (en) * | 1976-04-12 | 1977-06-07 | United Technologies Corporation | Torsionally compliant helicopter rotor blade with improved stability and performance characteristics |
| US4087203A (en) * | 1977-01-07 | 1978-05-02 | United Technologies Corporation | Cross beam rotor |
| US4275994A (en) * | 1978-04-03 | 1981-06-30 | Textron, Inc. | Roll formed blade structure |
| FR2430354A1 (fr) * | 1978-07-07 | 1980-02-01 | Aerospatiale | Helice multipale a pas variable d'un type simplifie |
| US4244677A (en) * | 1978-07-12 | 1981-01-13 | United Technologies Corporation | Cross-beam helicopter rotor with readily replaceable snubber |
| US4349316A (en) * | 1979-04-24 | 1982-09-14 | Textron, Inc. | Twist control for helicopter tail rotor pitch change |
| US4366387A (en) * | 1979-05-10 | 1982-12-28 | Carter Wind Power | Wind-driven generator apparatus and method of making blade supports _therefor |
| US4304694A (en) * | 1979-12-03 | 1981-12-08 | United Technologies Corporation | High damping epoxy resin composite |
| US4332525A (en) * | 1979-12-03 | 1982-06-01 | United Technologies Corporation | Matched stiffness rotor flexbeam and blade system |
| US4323332A (en) * | 1979-12-21 | 1982-04-06 | United Technologies Corporation | Hingeless helicopter rotor with elastic gimbal hub |
| DE69332527T2 (de) * | 1992-06-22 | 2003-08-21 | United Technologies Corp., Stratford | Antriebsstranganordnung für unbemanntes Fluggerät |
| US5364230A (en) * | 1992-06-22 | 1994-11-15 | United Technologies Corporation | Rotor blade subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors |
| US5320494A (en) * | 1992-12-22 | 1994-06-14 | United Technologies Corporation | Helicopter rotor blade having a replaceable anhedral tip |
| US6024325A (en) * | 1997-01-09 | 2000-02-15 | Cartercopters, Llc | Rotor for rotary wing aircraft |
| US6659722B2 (en) * | 2001-05-07 | 2003-12-09 | Bell Helicopter Textron, Inc. | Composite rotor blade and method of manufacture |
| US8360721B2 (en) * | 2008-01-08 | 2013-01-29 | The Boeing Company | Low maintenance stiff in plane gimbaled rotor head |
| US10442531B2 (en) | 2015-08-18 | 2019-10-15 | Sikorsky Aircraft Corporation | Rotor damping |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2152861A (en) * | 1934-05-16 | 1939-04-04 | Autogiro Co Of America | Blade construction for aircraft sustaining rotors |
| US2111975A (en) * | 1935-12-19 | 1938-03-22 | Autogiro Co Of America | Rotative-winged aircraft |
| US2272439A (en) * | 1939-12-16 | 1942-02-10 | Autogiro Co Of America | Aircraft sustaining rotor blade |
| US3232349A (en) * | 1964-12-02 | 1966-02-01 | Enstrom Corp | Rotor system utilizing centrifugal deflection of non-radial blades |
| US3310117A (en) * | 1966-04-08 | 1967-03-21 | Parsons Corp | Helicopter spar having integral mass and stiffness control provisions |
| US3494424A (en) * | 1967-12-11 | 1970-02-10 | Autogiro Co Of America | Aircraft sustaining rotor system and rotor blade therefor |
| US3484174A (en) * | 1968-04-08 | 1969-12-16 | Kaman Corp | Rotary wing system |
| GB1214858A (en) * | 1968-05-20 | 1970-12-09 | Westland Aircraft Ltd | Improvements in or relating to the construction of rotor blades for rotary wing aircraft |
| US3647317A (en) * | 1970-03-19 | 1972-03-07 | Fluor Prod Co Inc | Fiberglass fan assembly |
| CA951301A (en) * | 1971-04-08 | 1974-07-16 | United Aircraft Corporation | Helicopter rotor system |
| US3813186A (en) * | 1972-10-10 | 1974-05-28 | Textron Inc | Rotor blade shear reinforcement |
-
1974
- 1974-04-08 US US458926A patent/US3874820A/en not_active Expired - Lifetime
-
1975
- 1975-01-20 DE DE2502004A patent/DE2502004C2/de not_active Expired
- 1975-01-24 CA CA218,603A patent/CA1013332A/en not_active Expired
- 1975-01-26 IL IL46508A patent/IL46508A/en unknown
- 1975-01-27 GB GB3476/75A patent/GB1485683A/en not_active Expired
- 1975-01-29 FR FR7502701A patent/FR2266632B1/fr not_active Expired
- 1975-03-12 BR BR1444/75A patent/BR7501444A/pt unknown
- 1975-03-20 IT IT21450/75A patent/IT1034426B/it active
- 1975-04-07 JP JP50042148A patent/JPS5828160B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2266632B1 (online.php) | 1978-07-13 |
| DE2502004A1 (de) | 1975-10-16 |
| IL46508A (en) | 1977-07-31 |
| IL46508A0 (en) | 1975-06-25 |
| BR7501444A (pt) | 1976-11-30 |
| IT1034426B (it) | 1979-09-10 |
| DE2502004C2 (de) | 1984-05-10 |
| JPS50154999A (online.php) | 1975-12-13 |
| AU7750775A (en) | 1976-07-22 |
| US3874820A (en) | 1975-04-01 |
| FR2266632A1 (online.php) | 1975-10-31 |
| GB1485683A (en) | 1977-09-14 |
| CA1013332A (en) | 1977-07-05 |
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