NL7213233A - - Google Patents
Info
- Publication number
- NL7213233A NL7213233A NL7213233A NL7213233A NL7213233A NL 7213233 A NL7213233 A NL 7213233A NL 7213233 A NL7213233 A NL 7213233A NL 7213233 A NL7213233 A NL 7213233A NL 7213233 A NL7213233 A NL 7213233A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/005—Vibration damping devices using suspended masses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18994571A | 1971-10-18 | 1971-10-18 | |
| US22344272A | 1972-02-04 | 1972-02-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7213233A true NL7213233A (https=) | 1973-04-24 |
| NL177992B NL177992B (nl) | 1985-08-01 |
| NL177992C NL177992C (nl) | 1986-01-02 |
Family
ID=26885636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7213233,A NL177992C (nl) | 1971-10-18 | 1972-09-29 | Hefschroefvliegtuig. |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5637120B2 (https=) |
| AR (1) | AR195795A1 (https=) |
| AU (1) | AU465345B2 (https=) |
| BE (1) | BE790113A (https=) |
| CH (1) | CH549497A (https=) |
| DE (1) | DE2243337C3 (https=) |
| FR (1) | FR2156749B1 (https=) |
| GB (1) | GB1368187A (https=) |
| IL (1) | IL40137A (https=) |
| IT (1) | IT965293B (https=) |
| LU (1) | LU66040A1 (https=) |
| NL (1) | NL177992C (https=) |
| NO (1) | NO138439C (https=) |
| TR (1) | TR17775A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2232481B1 (https=) * | 1973-06-08 | 1976-05-07 | Aerospatiale | |
| GB1498222A (en) * | 1974-06-03 | 1978-01-18 | Textron Inc | Vibration isolation in helicopters |
| US4140028A (en) * | 1977-09-13 | 1979-02-20 | The Boeing Company | Vibration isolation system |
| US5118051A (en) * | 1989-04-18 | 1992-06-02 | United Technologies Corporation | Roll vibration absorber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3514054A (en) * | 1967-06-05 | 1970-05-26 | United Aircraft Corp | Vibration isolation system |
-
0
- BE BE790113D patent/BE790113A/xx unknown
-
1972
- 1972-08-09 NO NO2830/72A patent/NO138439C/no unknown
- 1972-08-15 IL IL40137A patent/IL40137A/xx unknown
- 1972-08-23 AU AU45859/72A patent/AU465345B2/en not_active Expired
- 1972-08-29 AR AR243804A patent/AR195795A1/es active
- 1972-08-31 GB GB4042272A patent/GB1368187A/en not_active Expired
- 1972-09-02 DE DE2243337A patent/DE2243337C3/de not_active Expired
- 1972-09-08 LU LU66040A patent/LU66040A1/xx unknown
- 1972-09-09 IT IT52657/72A patent/IT965293B/it active
- 1972-09-11 CH CH1336372A patent/CH549497A/it not_active IP Right Cessation
- 1972-09-21 JP JP9417672A patent/JPS5637120B2/ja not_active Expired
- 1972-09-29 NL NLAANVRAGE7213233,A patent/NL177992C/xx not_active IP Right Cessation
- 1972-10-17 TR TR17775A patent/TR17775A/xx unknown
- 1972-10-17 FR FR7236696A patent/FR2156749B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR195795A1 (es) | 1973-11-09 |
| BE790113A (fr) | 1973-04-13 |
| IT965293B (it) | 1974-01-31 |
| FR2156749A1 (https=) | 1973-06-01 |
| FR2156749B1 (https=) | 1976-08-20 |
| JPS5637120B2 (https=) | 1981-08-28 |
| LU66040A1 (https=) | 1973-01-17 |
| NO138439B (no) | 1978-05-29 |
| NL177992B (nl) | 1985-08-01 |
| CH549497A (it) | 1974-05-31 |
| AU4585972A (en) | 1974-02-28 |
| DE2243337B2 (de) | 1980-12-04 |
| NO138439C (no) | 1978-09-06 |
| TR17775A (tr) | 1976-09-01 |
| DE2243337C3 (de) | 1981-08-27 |
| DE2243337A1 (de) | 1973-04-26 |
| JPS4849198A (https=) | 1973-07-11 |
| IL40137A0 (en) | 1972-11-28 |
| GB1368187A (en) | 1974-09-25 |
| AU465345B2 (en) | 1975-09-25 |
| NL177992C (nl) | 1986-01-02 |
| IL40137A (en) | 1974-11-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |