FR541608A - Perfectionnements aux hélicoptères - Google Patents

Perfectionnements aux hélicoptères

Info

Publication number
FR541608A
FR541608A FR541608DA FR541608A FR 541608 A FR541608 A FR 541608A FR 541608D A FR541608D A FR 541608DA FR 541608 A FR541608 A FR 541608A
Authority
FR
France
Prior art keywords
helicopter training
helicopter
training
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
Etienne Oehmichen
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 FR541608A publication Critical patent/FR541608A/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
    • B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR541608D 1921-02-07 1921-02-07 Perfectionnements aux hélicoptères Expired FR541608A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR541608T 1921-02-07

Publications (1)

Publication Number Publication Date
FR541608A true FR541608A (fr) 1922-07-29

Family

ID=8930268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR541608D Expired FR541608A (fr) 1921-02-07 1921-02-07 Perfectionnements aux hélicoptères

Country Status (1)

Country Link
FR (1) FR541608A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287762A (en) * 1991-12-23 1994-02-22 Thomson Saginaw Ball Screw Company, Inc. Recirculating ball nut and shaft assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287762A (en) * 1991-12-23 1994-02-22 Thomson Saginaw Ball Screw Company, Inc. Recirculating ball nut and shaft assembly

Similar Documents

Publication Publication Date Title
FR541608A (fr) Perfectionnements aux hélicoptères
FR549013A (fr) Perfectionnements aux transporteurs
FR591117A (fr) Perfectionnements apportés aux hélices
FR541623A (fr) Perfectionnements aux hélicoptères
FR537089A (fr) Constructions pédagogiques démontables
FR545789A (fr) Hélicoptère
FR554547A (fr) Perfectionnement aux voilettes
FR537954A (fr) Perfectionnements aux niveaux
FR557920A (fr) Perfectionnement aux avions
FR555653A (fr) Perfectionnement aux avions
FR539506A (fr) Perfectionnements aux treuils de tennis
FR542467A (fr) Perfectionnement aux carburateurs
FR547487A (fr) Perfectionnement aux carburateurs
FR535836A (fr) Perfectionnements aux bluteries
FR513520A (fr) Perfectionnement aux dirigeables
FR536181A (fr) Perfectionnements aux parachutes
FR556056A (fr) Perfectionnements aux parachutes
FR542734A (fr) Hélicoptère
FR546494A (fr) Hélicoptère
FR555460A (fr) Hélicoptère
FR592998A (fr) Perfectionnement aux aéronefs
FR590000A (fr) Perfectionnement aux aéroplanes
FR591628A (fr) Perfectionnement aux avions
FR544222A (fr) Cerceau volant
FR579859A (fr) Perfectionnement aux carburateurs