GB440659A - Air-circulating valve in the supporting surfaces of aeroplanes - Google Patents

Air-circulating valve in the supporting surfaces of aeroplanes

Info

Publication number
GB440659A
GB440659A GB19625/34A GB1962534A GB440659A GB 440659 A GB440659 A GB 440659A GB 19625/34 A GB19625/34 A GB 19625/34A GB 1962534 A GB1962534 A GB 1962534A GB 440659 A GB440659 A GB 440659A
Authority
GB
United Kingdom
Prior art keywords
air
valve
wing
lip
july
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
GB19625/34A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB440659A publication Critical patent/GB440659A/en
Expired legal-status Critical Current

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)
  • Multiple-Way Valves (AREA)
  • Check Valves (AREA)

Abstract

440,659. Controlling aircraft. MAZZINI, F., 42, Via Andrea Doria, Milan, Italy. July 3, 1934, Nos. 19625 and 19626. Convention dates, July 5, 1933 and March 10, 1934. [Class 4] A valve in the wing of an aeroplane for controlling the upward flow of air through a passage leading from the under surface to the upper surface of the wing is arranged, in both open and closed positions, to occupy substantially the height of the passage and when in the open position presents a wholly unobstructed duct, preferably shaped as a Venturi tube converging upwardly and curving rearwardly, and adapted to guide the stream of air without causing sudden changes of section and direction. The valve 3<a>, Fig. 2, may be cylindrical with a parallel or converging slot 6 or it may comprise a tube 3b, Fig. 4, with or without a lip 8 and pivoted to the upper or lower end, or it may comprise a curved plate 3, Fig. 11, with or without a lip 5 and pivoted at the upper or lower end.
GB19625/34A 1933-07-05 1934-07-03 Air-circulating valve in the supporting surfaces of aeroplanes Expired GB440659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT440659X 1933-07-05

Publications (1)

Publication Number Publication Date
GB440659A true GB440659A (en) 1936-01-03

Family

ID=11255883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19625/34A Expired GB440659A (en) 1933-07-05 1934-07-03 Air-circulating valve in the supporting surfaces of aeroplanes

Country Status (1)

Country Link
GB (1) GB440659A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129748A (en) * 1982-11-10 1984-05-23 Messerschmitt Boelkow Blohm Device for reducing squall loads on aircraft wings
EP3919371A1 (en) * 2020-06-01 2021-12-08 Subaru Corporation Lift-changing mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129748A (en) * 1982-11-10 1984-05-23 Messerschmitt Boelkow Blohm Device for reducing squall loads on aircraft wings
EP3919371A1 (en) * 2020-06-01 2021-12-08 Subaru Corporation Lift-changing mechanism
US11685512B2 (en) 2020-06-01 2023-06-27 Subaru Corporation Lift-changing mechanism
JP7514115B2 (en) 2020-06-01 2024-07-10 株式会社Subaru Variable lift mechanism

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