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FR1265789A - Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade - Google Patents

Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade

Info

Publication number
FR1265789A
FR1265789A FR836655A FR836655A FR1265789A FR 1265789 A FR1265789 A FR 1265789A FR 836655 A FR836655 A FR 836655A FR 836655 A FR836655 A FR 836655A FR 1265789 A FR1265789 A FR 1265789A
Authority
FR
France
Prior art keywords
controlling
boundary layer
aerodynamic surface
helicopter blade
helicopter
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
FR836655A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HILLER AIRCRAFT CORP
Original Assignee
HILLER AIRCRAFT CORP
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 by HILLER AIRCRAFT CORP filed Critical HILLER AIRCRAFT CORP
Priority to FR836655A priority Critical patent/FR1265789A/en
Application granted granted Critical
Publication of FR1265789A publication Critical patent/FR1265789A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/463—Blade tips
    • 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
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/325—Circulation-control rotors
    • 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
    • B64C2230/28—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
FR836655A 1960-08-24 1960-08-24 Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade Expired FR1265789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR836655A FR1265789A (en) 1960-08-24 1960-08-24 Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR836655A FR1265789A (en) 1960-08-24 1960-08-24 Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade

Publications (1)

Publication Number Publication Date
FR1265789A true FR1265789A (en) 1961-06-30

Family

ID=8737913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836655A Expired FR1265789A (en) 1960-08-24 1960-08-24 Device for controlling the boundary layer of an aerodynamic surface, in particular of a helicopter blade

Country Status (1)

Country Link
FR (1) FR1265789A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7662013B2 (en) 2006-01-19 2010-02-16 Silverlit Toys Manufactory Ltd. Helicopter with horizontal control
US7815482B2 (en) 2006-01-19 2010-10-19 Silverlit Toys Manufactory, Ltd. Helicopter
US7883392B2 (en) 2008-08-04 2011-02-08 Silverlit Toys Manufactory Ltd. Toy helicopter
US8002604B2 (en) 2006-01-19 2011-08-23 Silverlit Limited Remote controlled toy helicopter
US8308522B2 (en) 2006-01-19 2012-11-13 Silverlit Limited Flying toy
US8357023B2 (en) 2006-01-19 2013-01-22 Silverlit Limited Helicopter
DE102007020609B4 (en) * 2006-08-03 2014-07-03 Silverlit Toys Manufactory Ltd. Flying object with tandem rotors

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7662013B2 (en) 2006-01-19 2010-02-16 Silverlit Toys Manufactory Ltd. Helicopter with horizontal control
US7815482B2 (en) 2006-01-19 2010-10-19 Silverlit Toys Manufactory, Ltd. Helicopter
US8002604B2 (en) 2006-01-19 2011-08-23 Silverlit Limited Remote controlled toy helicopter
US8308522B2 (en) 2006-01-19 2012-11-13 Silverlit Limited Flying toy
US8357023B2 (en) 2006-01-19 2013-01-22 Silverlit Limited Helicopter
DE112006002349B4 (en) * 2006-01-19 2014-05-22 Silverlit Toys Inc. helicopter
DE112006000079B4 (en) * 2006-01-19 2015-09-03 Silverlit Toys Inc. helicopter
DE112006002348B4 (en) * 2006-01-19 2016-06-30 Silverlit Toys Inc. helicopter
DE102007020609B4 (en) * 2006-08-03 2014-07-03 Silverlit Toys Manufactory Ltd. Flying object with tandem rotors
US7883392B2 (en) 2008-08-04 2011-02-08 Silverlit Toys Manufactory Ltd. Toy helicopter

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