FR1589501A - - Google Patents
Info
- Publication number
- FR1589501A FR1589501A FR1589501DA FR1589501A FR 1589501 A FR1589501 A FR 1589501A FR 1589501D A FR1589501D A FR 1589501DA FR 1589501 A FR1589501 A FR 1589501A
- 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
- B64C27/32—Rotors
- B64C27/325—Circulation-control rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Multiple-Way Valves (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4511067 | 1967-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1589501A true FR1589501A (fr) | 1970-03-31 |
Family
ID=10435923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1589501D Expired FR1589501A (fr) | 1967-10-04 | 1968-10-03 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3567332A (fr) |
DE (1) | DE1801351A1 (fr) |
FR (1) | FR1589501A (fr) |
GB (1) | GB1233369A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3713750A (en) * | 1970-12-07 | 1973-01-30 | Us Navy | Circulation control rotor system |
US4189283A (en) * | 1978-07-12 | 1980-02-19 | The United States Of America As Represented By The Secretary Of The Navy | Rotor hub for a helicopter |
US4327461A (en) * | 1979-06-11 | 1982-05-04 | Steelcase Inc. | Furniture glide and furniture |
US5791875A (en) * | 1996-09-10 | 1998-08-11 | Mcdonnell Douglas Helicopter Co. | Tip vortex reduction system |
US6478541B1 (en) | 2001-08-16 | 2002-11-12 | The Boeing Company | Tapered/segmented flaps for rotor blade-vortex interaction (BVI) noise and vibration reduction |
-
1967
- 1967-10-04 GB GB4511067A patent/GB1233369A/en not_active Expired
-
1968
- 1968-10-02 US US764514A patent/US3567332A/en not_active Expired - Lifetime
- 1968-10-03 FR FR1589501D patent/FR1589501A/fr not_active Expired
- 1968-10-04 DE DE19681801351 patent/DE1801351A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1233369A (fr) | 1971-05-26 |
DE1801351A1 (de) | 1969-06-26 |
US3567332A (en) | 1971-03-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |