GB329783A - Improvements in or relating to aerodynamic wing control - Google Patents
Improvements in or relating to aerodynamic wing controlInfo
- Publication number
- GB329783A GB329783A GB11930/29A GB1193029A GB329783A GB 329783 A GB329783 A GB 329783A GB 11930/29 A GB11930/29 A GB 11930/29A GB 1193029 A GB1193029 A GB 1193029A GB 329783 A GB329783 A GB 329783A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plane
- pivoted
- planes
- trailing
- movement
- 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
- B64C9/00—Adjustable control surfaces or members, e.g. rudders
- B64C9/14—Adjustable control surfaces or members, e.g. rudders forming slots
- B64C9/22—Adjustable control surfaces or members, e.g. rudders forming slots at the front of the wing
- B64C9/26—Adjustable control surfaces or members, e.g. rudders forming slots at the front of the wing by multiple flaps
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/58—Wings provided with fences or spoilers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C9/00—Adjustable control surfaces or members, e.g. rudders
- B64C9/14—Adjustable control surfaces or members, e.g. rudders forming slots
- B64C9/16—Adjustable control surfaces or members, e.g. rudders forming slots at the rear of the wing
- B64C9/20—Adjustable control surfaces or members, e.g. rudders forming slots at the rear of the wing by multiple flaps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C9/00—Adjustable control surfaces or members, e.g. rudders
- B64C9/14—Adjustable control surfaces or members, e.g. rudders forming slots
- B64C9/22—Adjustable control surfaces or members, e.g. rudders forming slots at the front of the wing
-
- 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
- B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
-
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Flow Control Members (AREA)
Abstract
329,783. Crook, L. H. April 17, 1929. Balancing; planes, construction of.-The airflow over a main wing is controlled automatically by vanes pivoted to oscillate within certain limits at the leading or trailing edge or at both the leading and trailing edges of the wing, friction elements being provided to resist the free movement of the vanes in intermediate positions. Pivoted vanes also may be mounted in central openings in a main wing. Fig. 1 shows a crosssection of a wing 26 having a pilot plane 30 pivoted at 41 and a trailing plane 35 pivoted at 46. Both planes have rigidly mounted auxiliary surfaces 33, 42, 43 to stabilize their movements and the forward plane is limited in its upward movement by a stop 31. Movement of the rear plane is limited by a solid hook or by a tension spring. Other modifications are described in which the auxiliary surfaces act as limiting stops, and the trailing planes in certain instances have flexible and slit feather edges at the rear or at both the front and rear. Fig. 5 shows a symmetrical plane 75 with pilot and trailing planes 78, 82 pivoted on the axis of the main plane. In this case both pivoted planes have two auxiliary surfaces, those on the rear plane acting as stops, and the rear plane has feather edges 86, 87. The free movement of the planes is resisted by springs and friction discs on their spindles. Fig. 14 shows a plane 113, pivoted at 112, which normally closes a gap in a main plane 110, but is adapted to open a slot as the incidence increases. The plane 113 may have auxiliary surfaces fixed to it below, or above and below. Movement is limited by a stop 114, or a pin on the spindle may engage a circumferential slot in a tubular bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11930/29A GB329783A (en) | 1929-04-17 | 1929-04-17 | Improvements in or relating to aerodynamic wing control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11930/29A GB329783A (en) | 1929-04-17 | 1929-04-17 | Improvements in or relating to aerodynamic wing control |
Publications (1)
Publication Number | Publication Date |
---|---|
GB329783A true GB329783A (en) | 1930-05-29 |
Family
ID=9995247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11930/29A Expired GB329783A (en) | 1929-04-17 | 1929-04-17 | Improvements in or relating to aerodynamic wing control |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB329783A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5088665A (en) * | 1989-10-31 | 1992-02-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Serrated trailing edges for improving lift and drag characteristics of lifting surfaces |
DE4208751A1 (en) * | 1992-02-27 | 1993-11-11 | Fritz Karl Hausser | Reducing resistance to aerofoil or hydrofoil passing through medium e.g. air or water - uses array of teeth formed on leading and/or trailing edge of aerofoil or hydrofoil section |
DE102005054248A1 (en) * | 2005-11-15 | 2007-05-24 | Airbus Deutschland Gmbh | Braking flap for deceleration of aircraft against air-flow which surrounds aircraft, comprises many vortex edges, which resolve individual edge section into number of vortex part, are arranged at free edge |
WO2013076009A1 (en) * | 2011-11-23 | 2013-05-30 | Lm Wind Power A/S | A wind turbine blade |
EP2998571A1 (en) * | 2014-09-19 | 2016-03-23 | Siemens Aktiengesellschaft | Lift influencing device for a rotor blade of a wind turbine |
US20170137123A1 (en) * | 2015-11-17 | 2017-05-18 | Charl E. Janeke | System, Apparatus and Methods for an Airspace Plane with Shockwave Piercing Wings |
-
1929
- 1929-04-17 GB GB11930/29A patent/GB329783A/en not_active Expired
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5088665A (en) * | 1989-10-31 | 1992-02-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Serrated trailing edges for improving lift and drag characteristics of lifting surfaces |
DE4208751A1 (en) * | 1992-02-27 | 1993-11-11 | Fritz Karl Hausser | Reducing resistance to aerofoil or hydrofoil passing through medium e.g. air or water - uses array of teeth formed on leading and/or trailing edge of aerofoil or hydrofoil section |
DE102005054248A1 (en) * | 2005-11-15 | 2007-05-24 | Airbus Deutschland Gmbh | Braking flap for deceleration of aircraft against air-flow which surrounds aircraft, comprises many vortex edges, which resolve individual edge section into number of vortex part, are arranged at free edge |
WO2013076009A1 (en) * | 2011-11-23 | 2013-05-30 | Lm Wind Power A/S | A wind turbine blade |
US9617974B2 (en) | 2011-11-23 | 2017-04-11 | Lm Wp Patent Holding A/S | Wind turbine blade |
CN104220745B (en) * | 2011-11-23 | 2017-05-10 | Lm Wp 专利控股有限公司 | A wind turbine blade |
EP2998571A1 (en) * | 2014-09-19 | 2016-03-23 | Siemens Aktiengesellschaft | Lift influencing device for a rotor blade of a wind turbine |
CN105443313A (en) * | 2014-09-19 | 2016-03-30 | 西门子公司 | Lift influencing device for a rotor blade of a wind turbine |
US10408192B2 (en) | 2014-09-19 | 2019-09-10 | Siemens Gamesa Renewable Energy A/S | Lift influencing device for a rotor blade of a wind turbine |
CN105443313B (en) * | 2014-09-19 | 2019-12-03 | 西门子歌美飒可再生能源公司 | Lift influencing device for a rotor blade of a wind turbine |
US20170137123A1 (en) * | 2015-11-17 | 2017-05-18 | Charl E. Janeke | System, Apparatus and Methods for an Airspace Plane with Shockwave Piercing Wings |
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