FR661948A - Perfectionnements aux propulseurs - Google Patents

Perfectionnements aux propulseurs

Info

Publication number: FR661948A
Authority: FR; France
Prior art keywords: thruster; refinements; thruster refinements
Prior art date: 1928-02-04
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

Inventor

Frank Walker Caldwell

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.)

1928-02-04

Filing date

1928-10-09

Publication date

1929-07-31

1928-10-09 Application filed filed Critical

1929-07-31 Application granted granted Critical

1929-07-31 Publication of FR661948A publication Critical patent/FR661948A/fr

Status Expired legal-status Critical Current

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
- B64C11/02—Hub construction
- B64C11/04—Blade mountings

Landscapes

Engineering & Computer Science (AREA)
Aviation & Aerospace Engineering (AREA)

FR661948D 1928-02-04 1928-10-09 Perfectionnements aux propulseurs Expired FR661948A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US661948XA	1928-02-04	1928-02-04

Publications (1)

Publication Number	Publication Date
FR661948A true FR661948A (fr)	1929-07-31

Family

ID=1543197

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR661948D Expired FR661948A (fr)	1928-02-04	1928-10-09	Perfectionnements aux propulseurs

Country Status (1)

Country	Link
FR (1)	FR661948A (fr)

1928
- 1928-10-09 FR FR661948D patent/FR661948A/fr not_active Expired

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