FR827097A - Improvements to airplanes - Google Patents
Improvements to airplanesInfo
- Publication number
- FR827097A FR827097A FR827097DA FR827097A FR 827097 A FR827097 A FR 827097A FR 827097D A FR827097D A FR 827097DA FR 827097 A FR827097 A FR 827097A
- Authority
- FR
- France
- Prior art keywords
- airplanes
- 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
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US827097XA | 1936-11-10 | 1936-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR827097A true FR827097A (en) | 1938-04-15 |
Family
ID=22172921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR827097D Expired FR827097A (en) | 1936-11-10 | 1937-09-24 | Improvements to airplanes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR827097A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114021265A (en) * | 2021-12-08 | 2022-02-08 | 辽宁科技大学 | Airplane wing section based on logarithmic spiral |
-
1937
- 1937-09-24 FR FR827097D patent/FR827097A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114021265A (en) * | 2021-12-08 | 2022-02-08 | 辽宁科技大学 | Airplane wing section based on logarithmic spiral |
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