FR949767A - Advanced propeller device for propelling aircraft - Google Patents
Advanced propeller device for propelling aircraftInfo
- Publication number
- FR949767A FR949767A FR949767DA FR949767A FR 949767 A FR949767 A FR 949767A FR 949767D A FR949767D A FR 949767DA FR 949767 A FR949767 A FR 949767A
- Authority
- FR
- France
- Prior art keywords
- propeller device
- propelling aircraft
- advanced propeller
- advanced
- propelling
- 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
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
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB949767X | 1940-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR949767A true FR949767A (en) | 1949-09-08 |
Family
ID=10767515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR949767D Expired FR949767A (en) | 1940-02-07 | 1947-07-19 | Advanced propeller device for propelling aircraft |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR949767A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4842484A (en) * | 1983-08-29 | 1989-06-27 | General Electric Company | Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers |
WO2005021373A1 (en) * | 2003-09-01 | 2005-03-10 | Nenad Fles | Contra rotating variable pitch propellers |
WO2012131271A1 (en) * | 2011-03-29 | 2012-10-04 | Snecma | System for changing the pitch of the contra-rotating propellers of a turboshaft engine |
EP2557033A3 (en) * | 2011-08-12 | 2015-11-11 | Hamilton Sundstrand Corporation | Modular counter rotating propeller system |
-
1947
- 1947-07-19 FR FR949767D patent/FR949767A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4842484A (en) * | 1983-08-29 | 1989-06-27 | General Electric Company | Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers |
WO2005021373A1 (en) * | 2003-09-01 | 2005-03-10 | Nenad Fles | Contra rotating variable pitch propellers |
WO2012131271A1 (en) * | 2011-03-29 | 2012-10-04 | Snecma | System for changing the pitch of the contra-rotating propellers of a turboshaft engine |
FR2973333A1 (en) * | 2011-03-29 | 2012-10-05 | Snecma | SYSTEM FOR CHANGING THE STEP OF CONTRAROTATIVE PROPELLERS OF A TURBOMOTEUR |
GB2503386A (en) * | 2011-03-29 | 2013-12-25 | Snecma | System for changing the pitch of the contra-rotating propellers of a turboshaft engine |
GB2503386B (en) * | 2011-03-29 | 2017-07-26 | Snecma | System for changing the pitch of the contra-rotating propellers of a turboshaft engine |
US10119409B2 (en) | 2011-03-29 | 2018-11-06 | Safran Aircraft Engines | System for changing the pitch of the contra-rotating propellers of a turboshaft engine |
EP2557033A3 (en) * | 2011-08-12 | 2015-11-11 | Hamilton Sundstrand Corporation | Modular counter rotating propeller system |
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