FR545421A - Perfectionnements apportés aux hélices - Google Patents

Perfectionnements apportés aux hélices

Info

Publication number
FR545421A
FR545421A FR545421DA FR545421A FR 545421 A FR545421 A FR 545421A FR 545421D A FR545421D A FR 545421DA FR 545421 A FR545421 A FR 545421A
Authority
FR
France
Prior art keywords
propellers
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
Henry Leitner
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 FR545421A publication Critical patent/FR545421A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/26—Blades
    • 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
    • B64C11/20—Constructional features
    • B64C11/24—Hollow blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
FR545421D 1921-02-07 1921-12-30 Perfectionnements apportés aux hélices Expired FR545421A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB545421X 1921-02-07

Publications (1)

Publication Number Publication Date
FR545421A true FR545421A (fr) 1922-10-11

Family

ID=10471355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR545421D Expired FR545421A (fr) 1921-02-07 1921-12-30 Perfectionnements apportés aux hélices

Country Status (1)

Country Link
FR (1) FR545421A (fr)

Similar Documents

Publication Publication Date Title
FR550351A (fr) Perfectionnements aux électro-aimants
FR536068A (fr) Perfectionnements apportés aux bateaux-viviers
FR535770A (fr) Perfectionnements aux constructions démontables
FR25476E (fr) Perfectionnements aux turbo-machines
FR544865A (fr) Perfectionnements apportés aux parachutes
FR545421A (fr) Perfectionnements apportés aux hélices
FR27158E (fr) Perfectionnements aux postes radio-récepteurs
FR559341A (fr) Perfectionnements aux séléno-radio-dosimètre
FR555938A (fr) Perfectionnements apportés aux avions
FR554777A (fr) Perfectionnements aux aéroplanes
FR563959A (fr) Perfectionnements apportés aux aéroplanes
FR559746A (fr) Perfectionnements aux aéroplanes
FR551930A (fr) Perfectionnements aux aéroplanes
FR543004A (fr) Perfectionnements aux aéroplanes
FR535868A (fr) Perfectionnements aux isolateurs
FR554735A (fr) Perfectionnements apportés aux paliers
FR548836A (fr) Perfectionnements apportés aux récipients
FR539358A (fr) Perfectionnements aux aéromoteurs
FR547254A (fr) Perfectionnements aux débouchoirs
FR559620A (fr) Perfectionnements aux lapidaires
FR25944E (fr) Perfectionnements aux postes radio-récepteurs
FR541145A (fr) Perfectionnements aux
FR535855A (fr) Perfectionnements aux dégauchisseuses-raboteuses
FR27863E (fr) Perfectionnements aux postes radio-récepteurs
FR25949E (fr) Perfectionnements aux postes radio-récepteurs