FR52257E - Improvements to air navigation devices - Google Patents

Improvements to air navigation devices

Info

Publication number
FR52257E
FR52257E FR52257DA FR52257E FR 52257 E FR52257 E FR 52257E FR 52257D A FR52257D A FR 52257DA FR 52257 E FR52257 E FR 52257E
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
French (fr)
Inventor
Pierre-Marcel 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 FR52257E publication Critical patent/FR52257E/en
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)
FR52257D 1938-09-05 1941-03-21 Improvements to air navigation devices Expired FR52257E (en)

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
FR52257E true FR52257E (en) 1943-12-01

Family

ID=62222315

Family Applications (6)

Application Number Title Priority Date Filing Date
FR850918D Expired FR850918A (en) 1938-09-05 1938-09-05 Improvements to air navigation devices
FR50419D Expired FR50419E (en) 1938-09-05 1939-01-18 Improvements to air navigation devices
FR52257D Expired FR52257E (en) 1938-09-05 1941-03-21 Improvements to air navigation devices
FR55452D Expired FR55452E (en) 1938-09-05 1941-08-12 Improvements to air navigation devices
FR57125D Expired FR57125E (en) 1938-09-05 1946-02-27 Improvements to air navigation devices
FR57158D Expired FR57158E (en) 1938-09-05 1946-12-06 Improvements to air navigation devices

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR850918D Expired FR850918A (en) 1938-09-05 1938-09-05 Improvements to air navigation devices
FR50419D Expired FR50419E (en) 1938-09-05 1939-01-18 Improvements to air navigation devices

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR55452D Expired FR55452E (en) 1938-09-05 1941-08-12 Improvements to air navigation devices
FR57125D Expired FR57125E (en) 1938-09-05 1946-02-27 Improvements to air navigation devices
FR57158D Expired FR57158E (en) 1938-09-05 1946-12-06 Improvements to air navigation devices

Country Status (1)

Country Link
FR (6) FR850918A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998042568A1 (en) * 1997-03-24 1998-10-01 Henri Chorosz Device for eliminating vortex in an aeroplane trail

Families Citing this family (6)

* 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 (en) * 1988-08-30 1990-03-02 Touret Bernard CREATION OF AERODYNAMIC FORCE BY LATERAL AIR BLOWING INTO THE INTRADOS OF AN AIRCRAFT VESSEL, FROM ITS EXTREMITES TO ITS EMPLANTURE IN FUSELAGE OF THE AIRPLANE
US5297764A (en) * 1993-03-15 1994-03-29 Haney William R Air foil providing vortex attenuation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998042568A1 (en) * 1997-03-24 1998-10-01 Henri Chorosz Device for eliminating vortex in an aeroplane trail

Also Published As

Publication number Publication date
FR57125E (en) 1952-12-15
FR57158E (en) 1952-12-16
FR850918A (en) 1939-12-29
FR55452E (en) 1952-06-30
FR50419E (en) 1940-06-05

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