JPS4872899A - - Google Patents
Info
- Publication number
- JPS4872899A JPS4872899A JP47095625A JP9562572A JPS4872899A JP S4872899 A JPS4872899 A JP S4872899A JP 47095625 A JP47095625 A JP 47095625A JP 9562572 A JP9562572 A JP 9562572A JP S4872899 A JPS4872899 A JP S4872899A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/463—Blade tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/467—Aerodynamic 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/10—Drag reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18261871A | 1971-09-22 | 1971-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4872899A true JPS4872899A (enrdf_load_stackoverflow) | 1973-10-01 |
Family
ID=22669265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47095625A Pending JPS4872899A (enrdf_load_stackoverflow) | 1971-09-22 | 1972-09-22 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4872899A (enrdf_load_stackoverflow) |
DE (1) | DE2238250A1 (enrdf_load_stackoverflow) |
FR (1) | FR2153253A1 (enrdf_load_stackoverflow) |
GB (1) | GB1391940A (enrdf_load_stackoverflow) |
IT (1) | IT967761B (enrdf_load_stackoverflow) |
MY (1) | MY7800256A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09254893A (ja) * | 1996-03-25 | 1997-09-30 | Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk | ヘリコプタ用ロータブレードおよびロータシステム |
JPH10316098A (ja) * | 1997-05-15 | 1998-12-02 | Fuji Heavy Ind Ltd | 回転翼航空機の回転翼羽根 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1538055A (en) * | 1975-05-19 | 1979-01-10 | Westland Aircraft Ltd | Helicopter rotor blades |
US4028003A (en) * | 1976-04-12 | 1977-06-07 | United Technologies Corporation | Torsionally compliant helicopter rotor blade with improved stability and performance characteristics |
US4142837A (en) * | 1977-11-11 | 1979-03-06 | United Technologies Corporation | Helicopter blade |
CA1141738A (fr) * | 1979-08-10 | 1983-02-22 | Jacques Gallot | Profil de pale voilure tournante d'aeronef |
FR2463054A1 (fr) * | 1979-08-10 | 1981-02-20 | Aerospatiale | Profil de pale pour voilure tournante d'aeronef |
US4314795A (en) * | 1979-09-28 | 1982-02-09 | The Boeing Company | Advanced airfoils for helicopter rotor application |
FR2479132A1 (fr) * | 1980-03-25 | 1981-10-02 | Aerospatiale | Pale a hautes performances pour rotor d'helicoptere |
GB9022281D0 (en) * | 1990-10-13 | 1991-02-20 | Westland Helicopters | Helicopter rotor blades |
DE19528155C1 (de) * | 1995-08-02 | 1996-06-27 | Deutsche Forsch Luft Raumfahrt | Verdrehbares Rotorblatt aus faserverstärktem Kunstharz |
GB2312712A (en) * | 1996-04-30 | 1997-11-05 | Gkn Westland Helicopters Ltd | Propeller/rotor blade |
FR2793766B1 (fr) * | 1999-05-21 | 2001-07-13 | Eurocopter France | Pale pour voilure tournante d'aeronef |
-
1972
- 1972-06-29 GB GB3037972A patent/GB1391940A/en not_active Expired
- 1972-08-03 DE DE2238250A patent/DE2238250A1/de not_active Ceased
- 1972-08-25 FR FR7231478A patent/FR2153253A1/fr not_active Withdrawn
- 1972-09-22 IT IT29549/72A patent/IT967761B/it active
- 1972-09-22 JP JP47095625A patent/JPS4872899A/ja active Pending
-
1978
- 1978-12-30 MY MY256/78A patent/MY7800256A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09254893A (ja) * | 1996-03-25 | 1997-09-30 | Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk | ヘリコプタ用ロータブレードおよびロータシステム |
JPH10316098A (ja) * | 1997-05-15 | 1998-12-02 | Fuji Heavy Ind Ltd | 回転翼航空機の回転翼羽根 |
Also Published As
Publication number | Publication date |
---|---|
MY7800256A (en) | 1978-12-31 |
IT967761B (it) | 1974-03-11 |
DE2238250A1 (de) | 1973-03-29 |
GB1391940A (en) | 1975-04-23 |
FR2153253A1 (enrdf_load_stackoverflow) | 1973-05-04 |