FR494954A - Propeller refinements - Google Patents

Propeller refinements

Info

Publication number
FR494954A
FR494954A FR494954DA FR494954A FR 494954 A FR494954 A FR 494954A FR 494954D A FR494954D A FR 494954DA FR 494954 A FR494954 A FR 494954A
Authority
FR
France
Prior art keywords
refinements
propeller
propeller refinements
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
French (fr)
Inventor
Charles Mccluskey Berry
George William Springsted Jb
George Thomas Bestle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORGE WILLIAM SPRINGSTED JB
Original Assignee
GEORGE WILLIAM SPRINGSTED JB
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 by GEORGE WILLIAM SPRINGSTED JB filed Critical GEORGE WILLIAM SPRINGSTED JB
Application granted granted Critical
Publication of FR494954A publication Critical patent/FR494954A/en
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
    • B64C11/205—Constructional features for protecting blades, e.g. coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR494954D 1915-07-31 1917-06-22 Propeller refinements Expired FR494954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US494954XA 1915-07-31 1915-07-31

Publications (1)

Publication Number Publication Date
FR494954A true FR494954A (en) 1919-09-25

Family

ID=1530543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR494954D Expired FR494954A (en) 1915-07-31 1917-06-22 Propeller refinements

Country Status (1)

Country Link
FR (1) FR494954A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213476A (en) * 1990-07-02 1993-05-25 Hudson Products Corporation Fan blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213476A (en) * 1990-07-02 1993-05-25 Hudson Products Corporation Fan blade

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