FR550679A - Helicopter - Google Patents
HelicopterInfo
- Publication number
- FR550679A FR550679A FR550679DA FR550679A FR 550679 A FR550679 A FR 550679A FR 550679D A FR550679D A FR 550679DA FR 550679 A FR550679 A FR 550679A
- Authority
- FR
- France
- Prior art keywords
- helicopter
- 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
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
- B64C27/26—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft characterised by provision of fixed wings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR550679T | 1922-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR550679A true FR550679A (en) | 1923-03-15 |
Family
ID=8936364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR550679D Expired FR550679A (en) | 1922-04-27 | 1922-04-27 | Helicopter |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR550679A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2976912A1 (en) * | 2011-06-24 | 2012-12-28 | Eurocopter France | Aircraft, has half-wing with lower portion arranged in wake of upper portion, where wake is generated by flow of air from rotary wing by impacting suction face from upper portion when aircraft has feed rate lower than preset threshold |
-
1922
- 1922-04-27 FR FR550679D patent/FR550679A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2976912A1 (en) * | 2011-06-24 | 2012-12-28 | Eurocopter France | Aircraft, has half-wing with lower portion arranged in wake of upper portion, where wake is generated by flow of air from rotary wing by impacting suction face from upper portion when aircraft has feed rate lower than preset threshold |
US8820673B2 (en) | 2011-06-24 | 2014-09-02 | Airbus Helicopters | Rotary-wing and fixed-wing aircraft |
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