FR820826A - Hélice à fentes - Google Patents

Hélice à fentes

Info

Publication number
FR820826A
FR820826A FR820826DA FR820826A FR 820826 A FR820826 A FR 820826A FR 820826D A FR820826D A FR 820826DA FR 820826 A FR820826 A FR 820826A
Authority
FR
France
Prior art keywords
propeller
slotted
slotted propeller
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
Nicolas Auguste Adrien Robert
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 FR820826A publication Critical patent/FR820826A/fr
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
    • B64C11/16—Blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR820826D 1937-04-20 1937-04-20 Hélice à fentes Expired FR820826A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820826T 1937-04-20

Publications (1)

Publication Number Publication Date
FR820826A true FR820826A (fr) 1937-11-19

Family

ID=9273958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820826D Expired FR820826A (fr) 1937-04-20 1937-04-20 Hélice à fentes

Country Status (1)

Country Link
FR (1) FR820826A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002694A1 (fr) * 1981-02-13 1982-08-19 Guenther Spranger Procede et dispositif pour diminuer la resistance a l'ecoulement d'ailes, en particulier d'ailes portantes, et d'aubes de turbomachines exposees a des flux de gaz tels que de l'air
WO2011020458A3 (fr) * 2009-08-19 2011-09-15 Konrad Buckel Élément de rotor autour duquel un fluide doit circuler et rotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002694A1 (fr) * 1981-02-13 1982-08-19 Guenther Spranger Procede et dispositif pour diminuer la resistance a l'ecoulement d'ailes, en particulier d'ailes portantes, et d'aubes de turbomachines exposees a des flux de gaz tels que de l'air
US4687416A (en) * 1981-02-13 1987-08-18 Spranger Guenther Method and device for decreasing the flow resistance on wings particularly aerofoils and blades of turbomachines exposed to gas flux such as air
WO2011020458A3 (fr) * 2009-08-19 2011-09-15 Konrad Buckel Élément de rotor autour duquel un fluide doit circuler et rotor

Similar Documents

Publication Publication Date Title
FR824885A (fr) Navire
FR826798A (fr) Hélicoptère
FI18708A (fi) Kappsäck
FR820826A (fr) Hélice à fentes
FR820790A (fr) Equerre à calculs
FR820509A (fr) Crémones à tringles indépendantes
FR819905A (fr) Pivot-paumelle à tenons
FR821918A (fr) Parachute
FR823804A (fr) Hélice propulsive
FR842514A (fr) Télautographe imprimeur
FR822612A (fr) Distributeur-mélangeur à combinaisons
FI18624A (fi) Spritkök eller liknande
FI18433A (fi) Kälke eller liknande fordon
FI18552A (fi) Skruv-propeller
FI18554A (fi) Lentokone
FR843520A (fr) Hélicoptère
FR826410A (fr) épingle à marquer
FR843100A (fr) Métier à tisser
FR830120A (fr) Parachute
FI18581A (fi) Luft- eller vattenpropeller
FR824543A (fr) Diorama à découpage
FR835764A (fr) Fusée
FR836110A (fr) Aéroplane
ES143307A1 (es) Mejoras introducidas
FI18359A (fi) Automatiskt eller motordrivet maskineldvapen med två växelvis eldavgivande pipor