FR737957A - Système améliorant la propulsion des mobiles dans les fluides - Google Patents
Système améliorant la propulsion des mobiles dans les fluidesInfo
- Publication number
- FR737957A FR737957A FR737957DA FR737957A FR 737957 A FR737957 A FR 737957A FR 737957D A FR737957D A FR 737957DA FR 737957 A FR737957 A FR 737957A
- Authority
- FR
- France
- Prior art keywords
- mobiles
- propulsion
- fluids
- system improving
- improving
- 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
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
-
- 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
- B64C2230/04—Boundary layer controls by actively generating fluid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/20—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 |
---|---|---|---|
FR737957T | 1931-09-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR737957A true FR737957A (fr) | 1932-12-19 |
Family
ID=9132020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR737957D Expired FR737957A (fr) | 1931-09-26 | 1931-09-26 | Système améliorant la propulsion des mobiles dans les fluides |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR737957A (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992022459A1 (fr) * | 1991-06-05 | 1992-12-23 | Lemont Aircraft Corporation | Systeme de propulsion a anneaux de poussee |
US5393197A (en) * | 1993-11-09 | 1995-02-28 | Lemont Aircraft Corporation | Propulsive thrust ring system |
EP1827970A2 (fr) * | 2004-12-23 | 2007-09-05 | David Birkenstock | Appareil, systeme et procede permettant de reduire la trainee |
US8746624B2 (en) | 2008-05-23 | 2014-06-10 | David Birkenstock | Boundary layer control system and methods thereof |
US10204192B2 (en) | 2007-09-17 | 2019-02-12 | David T Birkenstock | System and method for drag reduction |
-
1931
- 1931-09-26 FR FR737957D patent/FR737957A/fr not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5470202A (en) * | 1989-10-10 | 1995-11-28 | Lemont; Harold E. | Propulsive thrust ring system |
WO1992022459A1 (fr) * | 1991-06-05 | 1992-12-23 | Lemont Aircraft Corporation | Systeme de propulsion a anneaux de poussee |
US5393197A (en) * | 1993-11-09 | 1995-02-28 | Lemont Aircraft Corporation | Propulsive thrust ring system |
EP1827970A2 (fr) * | 2004-12-23 | 2007-09-05 | David Birkenstock | Appareil, systeme et procede permettant de reduire la trainee |
EP1827970A4 (fr) * | 2004-12-23 | 2012-01-25 | David Birkenstock | Appareil, systeme et procede permettant de reduire la trainee |
US9764823B2 (en) | 2004-12-23 | 2017-09-19 | David Birkenstock | Apparatus, system and method for drag reduction |
US10377471B2 (en) | 2004-12-23 | 2019-08-13 | David Birkenstock | Apparatus, system and method for drag reduction |
US10204192B2 (en) | 2007-09-17 | 2019-02-12 | David T Birkenstock | System and method for drag reduction |
US8746624B2 (en) | 2008-05-23 | 2014-06-10 | David Birkenstock | Boundary layer control system and methods thereof |
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