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FR444426A - Airplane valves - Google Patents

Airplane valves

Info

Publication number
FR444426A
FR444426A FR444426A FR444426DA FR444426A FR 444426 A FR444426 A FR 444426A FR 444426 A FR444426 A FR 444426A FR 444426D A FR444426D A FR 444426DA FR 444426 A FR444426 A FR 444426A
Authority
FR
France
Prior art keywords
airplane
valves
airplane valves
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
FR444426A
Other languages
French (fr)
Inventor
Jean-Jerome-Paul Le Grand-Petrot
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.)
JEAN JEROME PAUL LE GRAND PETR
Original Assignee
JEAN JEROME PAUL LE GRAND PETR
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 JEAN JEROME PAUL LE GRAND PETR filed Critical JEAN JEROME PAUL LE GRAND PETR
Application granted granted Critical
Publication of FR444426A publication Critical patent/FR444426A/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
    • B64C21/08—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like adjustable
    • 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)
FR444426A 1911-05-20 1912-05-20 Airplane valves Expired FR444426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE444426X 1911-05-20

Publications (1)

Publication Number Publication Date
FR444426A true FR444426A (en) 1912-10-17

Family

ID=1485401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR444426A Expired FR444426A (en) 1911-05-20 1912-05-20 Airplane valves

Country Status (1)

Country Link
FR (1) FR444426A (en)

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