FR50419E - Perfectionnements apportés aux engins de navigation aérienne - Google Patents

Perfectionnements apportés aux engins de navigation aérienne

Info

Publication number
FR50419E
FR50419E FR50419DA FR50419E FR 50419 E FR50419 E FR 50419E FR 50419D A FR50419D A FR 50419DA FR 50419 E FR50419 E FR 50419E
Authority
FR
France
Prior art keywords
navigation devices
air navigation
air
devices
navigation
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
Application number
Other languages
English (en)
Inventor
Lemoigne
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR50419E publication Critical patent/FR50419E/fr
Expired legal-status Critical Current

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
    • B64C21/025—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for simultaneous blowing and sucking
    • 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
    • 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
    • B64C21/08—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
    • 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
    • B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/22—Boundary layer controls by using a surface having multiple apertures of relatively small openings other than slots
    • 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
    • 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
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR50419D 1938-09-05 1939-01-18 Perfectionnements apportés aux engins de navigation aérienne Expired FR50419E (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR850918T 1938-09-05
FR50419T 1939-01-18
FR52257T 1941-03-21
FR55452T 1941-08-12
FR57125T 1946-02-27
FR57158T 1946-12-06

Publications (1)

Publication Number Publication Date
FR50419E true FR50419E (fr) 1940-06-05

Family

ID=62222315

Family Applications (6)

Application Number Title Priority Date Filing Date
FR850918D Expired FR850918A (fr) 1938-09-05 1938-09-05 Perfectionnements apportés aux engins de navigation aérienne
FR50419D Expired FR50419E (fr) 1938-09-05 1939-01-18 Perfectionnements apportés aux engins de navigation aérienne
FR52257D Expired FR52257E (fr) 1938-09-05 1941-03-21 Perfectionnements apportés aux engins de navigation aérienne
FR55452D Expired FR55452E (fr) 1938-09-05 1941-08-12 Perfectionnements apportés aux engins de navigation aérienne
FR57125D Expired FR57125E (fr) 1938-09-05 1946-02-27 Perfectionnements apportés aux engins de navigation aérienne
FR57158D Expired FR57158E (fr) 1938-09-05 1946-12-06 Perfectionnements apportés aux engins de navigation aérienne

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR850918D Expired FR850918A (fr) 1938-09-05 1938-09-05 Perfectionnements apportés aux engins de navigation aérienne

Family Applications After (4)

Application Number Title Priority Date Filing Date
FR52257D Expired FR52257E (fr) 1938-09-05 1941-03-21 Perfectionnements apportés aux engins de navigation aérienne
FR55452D Expired FR55452E (fr) 1938-09-05 1941-08-12 Perfectionnements apportés aux engins de navigation aérienne
FR57125D Expired FR57125E (fr) 1938-09-05 1946-02-27 Perfectionnements apportés aux engins de navigation aérienne
FR57158D Expired FR57158E (fr) 1938-09-05 1946-12-06 Perfectionnements apportés aux engins de navigation aérienne

Country Status (1)

Country Link
FR (6) FR850918A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514888A (en) * 1947-01-31 1950-07-11 United Aircraft Corp Aircraft wing tip fuel tank installation
US4377267A (en) * 1981-01-12 1983-03-22 Juanita June Haworth Vortex tranquilizer
US5150859A (en) * 1986-12-22 1992-09-29 Sundstrand Corporation Wingtip turbine
US4948068A (en) * 1988-05-12 1990-08-14 Mcdonnell Douglas Corporation Circulation control slots in helicopter yaw control system
FR2635750A1 (fr) * 1988-08-30 1990-03-02 Touret Bernard Creation d'une force aerodynamique par soufflage lateral d'air a l'intrados d'une voilure d'avion, de ses extremites vers son emplanture au fuselage de l'avion
US5297764A (en) * 1993-03-15 1994-03-29 Haney William R Air foil providing vortex attenuation
FR2761046B1 (fr) * 1997-03-24 1999-04-30 Henri Chorosz Dispositif d'elimination de turbulences de sillage

Also Published As

Publication number Publication date
FR850918A (fr) 1939-12-29
FR55452E (fr) 1952-06-30
FR57125E (fr) 1952-12-15
FR52257E (fr) 1943-12-01
FR57158E (fr) 1952-12-16

Similar Documents

Publication Publication Date Title
FR855184A (fr) Perfectionnements apportés aux dispositifs de fixation
FR854371A (fr) Perfectionnements aux dispositifs de catapultage
FR859451A (fr) Perfectionnements apportés aux dispositifs de fixation
FR859381A (fr) Perfectionnements aux projectiles empennés
FR864075A (fr) Perfectionnements apportés aux dispositifs de fixation
FR50419E (fr) Perfectionnements apportés aux engins de navigation aérienne
FR52406E (fr) Perfectionnements apportés aux engins de navigation aérienne
FR855155A (fr) Perfectionnements aux gyroscopes
FR850265A (fr) Perfectionnements apportés aux engins de navigation aérienne
FR858092A (fr) Perfectionnements aux émetteurs de radioguidage de navigation
FR856373A (fr) Perfectionnements aux dispositifs actionnés par inertie
FR840997A (fr) Perfectionnements aux mallettes de voyage
FR855858A (fr) Perfectionnements apportés aux engins de navigation aérienne
FR856035A (fr) Perfectionnements apportés aux engins de navigation aérienne
FR861598A (fr) Perfectionnements apportés aux engins de navigation aérienne, notamment aux enginsde bombardement
FR835904A (fr) Perfectionnements relatifs aux bicyclettes
FR824983A (fr) Perfectionnements apportés aux engins de navigation aérienne
FR764815A (fr) Perfectionnements aux engins de navigation aérienne
FR747287A (fr) Perfectionnements apportés aux engins de navigation aérienne
FR746313A (fr) Perfectionnements apportés aux engins de navigation aérienne
FR860552A (fr) Perfectionnements aux magnétos
FR851888A (fr) Perfectionnements apportés aux magnétos
FR833476A (fr) Perfectionnements aux carrosseries de véhicules
FR843325A (fr) Perfectionnements aux compteurs de vitesse
FR848948A (fr) Perfectionnements aux faucheuses-moissonneuses