FR1265789A - Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade - Google Patents
Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter bladeInfo
- Publication number
- FR1265789A FR1265789A FR836655A FR836655A FR1265789A FR 1265789 A FR1265789 A FR 1265789A FR 836655 A FR836655 A FR 836655A FR 836655 A FR836655 A FR 836655A FR 1265789 A FR1265789 A FR 1265789A
- Authority
- FR
- France
- Prior art keywords
- controlling
- boundary layer
- aerodynamic surface
- helicopter blade
- helicopter
- 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
- B64C27/46—Blades
- B64C27/463—Blade tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
- B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
- B64C21/04—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/325—Circulation-control rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/04—Boundary layer controls by actively generating fluid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/06—Boundary layer controls by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/16—Boundary layer controls by blowing other fluids over the surface than air, e.g. He, H, O2 or exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/28—Boundary layer controls at propeller or rotor blades
-
- 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)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR836655A FR1265789A (en) | 1960-08-24 | 1960-08-24 | Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR836655A FR1265789A (en) | 1960-08-24 | 1960-08-24 | Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1265789A true FR1265789A (en) | 1961-06-30 |
Family
ID=8737913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR836655A Expired FR1265789A (en) | 1960-08-24 | 1960-08-24 | Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1265789A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7662013B2 (en) | 2006-01-19 | 2010-02-16 | Silverlit Toys Manufactory Ltd. | Helicopter with horizontal control |
US7815482B2 (en) | 2006-01-19 | 2010-10-19 | Silverlit Toys Manufactory, Ltd. | Helicopter |
US7883392B2 (en) | 2008-08-04 | 2011-02-08 | Silverlit Toys Manufactory Ltd. | Toy helicopter |
US8002604B2 (en) | 2006-01-19 | 2011-08-23 | Silverlit Limited | Remote controlled toy helicopter |
US8308522B2 (en) | 2006-01-19 | 2012-11-13 | Silverlit Limited | Flying toy |
US8357023B2 (en) | 2006-01-19 | 2013-01-22 | Silverlit Limited | Helicopter |
DE102007020609B4 (en) * | 2006-08-03 | 2014-07-03 | Silverlit Toys Manufactory Ltd. | Flying object with tandem rotors |
-
1960
- 1960-08-24 FR FR836655A patent/FR1265789A/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7662013B2 (en) | 2006-01-19 | 2010-02-16 | Silverlit Toys Manufactory Ltd. | Helicopter with horizontal control |
US7815482B2 (en) | 2006-01-19 | 2010-10-19 | Silverlit Toys Manufactory, Ltd. | Helicopter |
US8002604B2 (en) | 2006-01-19 | 2011-08-23 | Silverlit Limited | Remote controlled toy helicopter |
US8308522B2 (en) | 2006-01-19 | 2012-11-13 | Silverlit Limited | Flying toy |
US8357023B2 (en) | 2006-01-19 | 2013-01-22 | Silverlit Limited | Helicopter |
DE112006002349B4 (en) * | 2006-01-19 | 2014-05-22 | Silverlit Toys Inc. | helicopter |
DE112006000079B4 (en) * | 2006-01-19 | 2015-09-03 | Silverlit Toys Inc. | helicopter |
DE112006002348B4 (en) * | 2006-01-19 | 2016-06-30 | Silverlit Toys Inc. | helicopter |
DE102007020609B4 (en) * | 2006-08-03 | 2014-07-03 | Silverlit Toys Manufactory Ltd. | Flying object with tandem rotors |
US7883392B2 (en) | 2008-08-04 | 2011-02-08 | Silverlit Toys Manufactory Ltd. | Toy helicopter |
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