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FR75976E - Improvements to air navigation devices - Google Patents

Improvements to air navigation devices

Info

Publication number
FR75976E
FR75976E FR798987A FR798987A FR75976E FR 75976 E FR75976 E FR 75976E FR 798987 A FR798987 A FR 798987A FR 798987 A FR798987 A FR 798987A FR 75976 E FR75976 E FR 75976E
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
FR798987A
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.)
R L CIE DE RECH S ET D ETUDES
Original Assignee
R L CIE DE RECH S ET D ETUDES
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 R L CIE DE RECH S ET D ETUDES filed Critical R L CIE DE RECH S ET D ETUDES
Priority to FR798987A priority Critical patent/FR75976E/en
Application granted granted Critical
Publication of FR75976E publication Critical patent/FR75976E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/001—Shrouded propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR798987A 1959-07-01 1959-07-01 Improvements to air navigation devices Expired FR75976E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR798987A FR75976E (en) 1959-07-01 1959-07-01 Improvements to air navigation devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798987A FR75976E (en) 1959-07-01 1959-07-01 Improvements to air navigation devices

Publications (1)

Publication Number Publication Date
FR75976E true FR75976E (en) 1961-09-01

Family

ID=8716654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798987A Expired FR75976E (en) 1959-07-01 1959-07-01 Improvements to air navigation devices

Country Status (1)

Country Link
FR (1) FR75976E (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035377A (en) * 1985-02-28 1991-07-30 Technolizenz Establishment Free standing or aircraft lift generator
US5150857A (en) * 1991-08-13 1992-09-29 United Technologies Corporation Shroud geometry for unmanned aerial vehicles
US5152478A (en) * 1990-05-18 1992-10-06 United Technologies Corporation Unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide all required vehicle flight controls

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035377A (en) * 1985-02-28 1991-07-30 Technolizenz Establishment Free standing or aircraft lift generator
US5152478A (en) * 1990-05-18 1992-10-06 United Technologies Corporation Unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide all required vehicle flight controls
US5150857A (en) * 1991-08-13 1992-09-29 United Technologies Corporation Shroud geometry for unmanned aerial vehicles

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