FR524705A - Perfectionnements aux hélices - Google Patents

Perfectionnements aux hélices

Info

Publication number: FR524705A
Authority: FR; France
Prior art keywords: refinements; propeller; propeller refinements
Prior art date: 1919-09-23
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

FR524705A

Other languages

English (en)

Inventor

Ernest Abington Vessey

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.)

Individual

Original Assignee

Individual

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.)

1919-09-23

Filing date

1920-09-21

Publication date

1921-09-09

1920-09-21 Application filed by Individual filed Critical Individual

1921-09-09 Application granted granted Critical

1921-09-09 Publication of FR524705A publication Critical patent/FR524705A/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
- B64C11/06—Blade mountings for variable-pitch blades
- B64C11/065—Blade mountings for variable-pitch blades variable only when stationary

Landscapes

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

FR524705A 1919-09-23 1920-09-21 Perfectionnements aux hélices Expired FR524705A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB524705X		1919-09-23

Publications (1)

Publication Number	Publication Date
FR524705A true FR524705A (fr)	1921-09-09

Family

ID=10464041

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR524705A Expired FR524705A (fr)	1919-09-23	1920-09-21	Perfectionnements aux hélices

Country Status (1)

Country	Link
FR (1)	FR524705A (fr)

1920
- 1920-09-21 FR FR524705A patent/FR524705A/fr not_active Expired

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