FR719239A - Hélice métallique creuse - Google Patents

Hélice métallique creuse

Info

Publication number
FR719239A
FR719239A FR719239DA FR719239A FR 719239 A FR719239 A FR 719239A FR 719239D A FR719239D A FR 719239DA FR 719239 A FR719239 A FR 719239A
Authority
FR
France
Prior art keywords
hollow metal
metal propeller
propeller
hollow
metal
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
Hugo Junkers
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 FR719239A publication Critical patent/FR719239A/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
    • B64C11/20—Constructional features
    • B64C11/24—Hollow blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR719239D 1930-06-30 1931-06-29 Hélice métallique creuse Expired FR719239A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE719239X 1930-06-30

Publications (1)

Publication Number Publication Date
FR719239A true FR719239A (fr) 1932-02-03

Family

ID=6627157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719239D Expired FR719239A (fr) 1930-06-30 1931-06-29 Hélice métallique creuse

Country Status (1)

Country Link
FR (1) FR719239A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623599A (en) * 1947-11-26 1952-12-30 United Aircraft Corp Propeller blade stress distributing means
US11879355B1 (en) 2022-08-05 2024-01-23 General Electric Company Airfoil assembly with an internal reinforcement structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623599A (en) * 1947-11-26 1952-12-30 United Aircraft Corp Propeller blade stress distributing means
US11879355B1 (en) 2022-08-05 2024-01-23 General Electric Company Airfoil assembly with an internal reinforcement structure

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