FR990314A - Pales creuses - Google Patents

Pales creuses

Info

Publication number
FR990314A
FR990314A FR990314DA FR990314A FR 990314 A FR990314 A FR 990314A FR 990314D A FR990314D A FR 990314DA FR 990314 A FR990314 A FR 990314A
Authority
FR
France
Prior art keywords
hollow blades
blades
hollow
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
English (en)
Inventor
Henri Coanda
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 FR990314A publication Critical patent/FR990314A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B64C27/16—Drive of rotors by means, e.g. propellers, mounted on rotor blades
    • B64C27/18—Drive of rotors by means, e.g. propellers, mounted on rotor blades the means being jet-reaction apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR990314D 1949-05-05 1949-05-05 Pales creuses Expired FR990314A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990314T 1949-05-05

Publications (1)

Publication Number Publication Date
FR990314A true FR990314A (fr) 1951-09-20

Family

ID=9543176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990314D Expired FR990314A (fr) 1949-05-05 1949-05-05 Pales creuses

Country Status (1)

Country Link
FR (1) FR990314A (fr)

Similar Documents

Publication Publication Date Title
FR1036558A (fr) Perforateur
FR984711A (fr) Figure de jouet
FR996133A (fr) Essuie-glace
FR990314A (fr) Pales creuses
FR983048A (fr) Hélice à pales excentrées
FR1004080A (fr) Jouet
FR1012170A (fr) Planeur de modèle réduit catapultable
FR1003911A (fr) Essoreuse alimentaire
FR1011478A (fr) Hélicoptère
FR987697A (fr) Jouet
FR989599A (fr) Jouet
FR994701A (fr) Jouet
FR59233E (fr) Hélice à pales excentrées
AT171859B (de) Hohlblockstein
FR996157A (fr) Ventilateur
FR1206604A (fr) Propulseur
AT171500B (de) Windradspielzeug
AT173992B (de) Flügelradpropeller
FR985659A (fr) Hélice
FR997655A (fr) Jouet
FR991928A (fr) Jouet
FR996318A (fr) Jouet
FR982885A (fr) Jouet
FR981168A (fr) Jouet
FR998105A (fr) Jouet