FR846646A - - Google Patents
Info
- Publication number
- FR846646A FR846646A FR846646DA FR846646A FR 846646 A FR846646 A FR 846646A FR 846646D A FR846646D A FR 846646DA FR 846646 A FR846646 A FR 846646A
- Authority
- FR
- France
- 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
- B64C27/001—Vibration damping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR846646A true FR846646A (sv) | 1939-09-21 |
Family
ID=1554399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR846646D Expired FR846646A (sv) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR846646A (sv) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2443393A (en) * | 1942-12-08 | 1948-06-15 | Landgraf Fred | Helicopter with one or more rotors having controllable ailerons |
| US2702084A (en) * | 1952-05-20 | 1955-02-15 | Ministerio Da Aeronautica | Aircraft of the helicopter type having dual tail rotors |
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0
- FR FR846646D patent/FR846646A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2443393A (en) * | 1942-12-08 | 1948-06-15 | Landgraf Fred | Helicopter with one or more rotors having controllable ailerons |
| US2702084A (en) * | 1952-05-20 | 1955-02-15 | Ministerio Da Aeronautica | Aircraft of the helicopter type having dual tail rotors |