GB1188391A - Improvements in or relating to Helicopter Rotors - Google Patents
Improvements in or relating to Helicopter RotorsInfo
- Publication number
- GB1188391A GB1188391A GB22070/67A GB2207067A GB1188391A GB 1188391 A GB1188391 A GB 1188391A GB 22070/67 A GB22070/67 A GB 22070/67A GB 2207067 A GB2207067 A GB 2207067A GB 1188391 A GB1188391 A GB 1188391A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blade
- air
- incidence
- piston
- head member
- 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
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Control Of Turbines (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22070/67A GB1188391A (en) | 1967-05-12 | 1967-05-12 | Improvements in or relating to Helicopter Rotors |
| SE6357/68A SE341608B (cg-RX-API-DMAC7.html) | 1967-05-12 | 1968-05-10 | |
| FR1578953D FR1578953A (cg-RX-API-DMAC7.html) | 1967-05-12 | 1968-05-13 | |
| US728476A US3524711A (en) | 1967-05-12 | 1968-05-13 | Helicopter rotors |
| NL6806769A NL6806769A (cg-RX-API-DMAC7.html) | 1967-05-12 | 1968-05-13 | |
| CH705468A CH472312A (de) | 1967-05-12 | 1968-05-13 | Helikopterrotor |
| BE715085D BE715085A (cg-RX-API-DMAC7.html) | 1967-05-12 | 1968-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB22070/67A GB1188391A (en) | 1967-05-12 | 1967-05-12 | Improvements in or relating to Helicopter Rotors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1188391A true GB1188391A (en) | 1970-04-15 |
Family
ID=10173413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22070/67A Expired GB1188391A (en) | 1967-05-12 | 1967-05-12 | Improvements in or relating to Helicopter Rotors |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3524711A (cg-RX-API-DMAC7.html) |
| BE (1) | BE715085A (cg-RX-API-DMAC7.html) |
| CH (1) | CH472312A (cg-RX-API-DMAC7.html) |
| FR (1) | FR1578953A (cg-RX-API-DMAC7.html) |
| GB (1) | GB1188391A (cg-RX-API-DMAC7.html) |
| NL (1) | NL6806769A (cg-RX-API-DMAC7.html) |
| SE (1) | SE341608B (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4507050A (en) * | 1983-12-09 | 1985-03-26 | United Technologies Corporation | Pneumatic valve control for circulation control aircraft |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713750A (en) * | 1970-12-07 | 1973-01-30 | Us Navy | Circulation control rotor system |
| US3964838A (en) * | 1973-09-24 | 1976-06-22 | Spargo John D | Balanced airflow control valve for helicopter blade |
| US3883266A (en) * | 1973-09-24 | 1975-05-13 | Jr Herman A Soulant | Differential lift control by synchronous resonant excitation of air column in helicopter rotor |
| US3990811A (en) * | 1975-02-26 | 1976-11-09 | The United States Of America As Represented By The Secretary Of The Navy | Circulation controlled rotary wing aircraft and control system therefor |
| US4132500A (en) * | 1977-05-18 | 1979-01-02 | The United States Of America As Represented By The Secretary Of The Navy | Controllable and programmable fluid flow modulation 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 |
| US4493612A (en) * | 1982-09-30 | 1985-01-15 | United Technologies Corporation | Axially slideable plenum for circulation control aircraft |
| US4626171A (en) * | 1984-10-25 | 1986-12-02 | United Technologies Corporation | Rotor blade construction for circulation control aircraft |
| US4770607A (en) * | 1987-04-27 | 1988-09-13 | United Technologies Corporation | Rotor blade construction for circulation control aircraft |
| GB9317294D0 (en) * | 1993-08-19 | 1993-10-20 | Westland Helicopters | Circulation control aerofoils |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2556710A (en) * | 1945-02-20 | 1951-06-12 | Edward A Stalker | Direct lift aircraft |
| US2650666A (en) * | 1946-07-25 | 1953-09-01 | Dorand Rene | Rotary-wing aircraft with jet-driven rotor |
| FR1349106A (fr) * | 1956-12-07 | 1964-01-17 | Hélicoptère à réaction à pales fixes susceptible de voler en auto-rotation | |
| US2925129A (en) * | 1957-04-26 | 1960-02-16 | Shao W Yuan | Rotor control |
| DE1118612B (de) * | 1958-06-23 | 1961-11-30 | Goetz Heidelberg Dipl Phys | Drehfluegel mit Antrieb durch Druckgas |
| GB944010A (en) * | 1960-01-07 | 1963-12-11 | Power Jets Res & Dev Ltd | Aircraft |
| DE1130298B (de) * | 1961-03-29 | 1962-05-24 | Dornier Werke Gmbh | Einrichtung zur selbsttaetigen Regelung der allgemeinen Blattwinkelverstellung bei Hubschrauberrotoren |
| US3139936A (en) * | 1961-12-28 | 1964-07-07 | Power Jets Res & Dev Ltd | Helicopter control mechanism |
| GB1066223A (en) * | 1964-05-29 | 1967-04-26 | Power Jets Res & Dev Ltd | Helicopter lift control mechanism |
-
1967
- 1967-05-12 GB GB22070/67A patent/GB1188391A/en not_active Expired
-
1968
- 1968-05-10 SE SE6357/68A patent/SE341608B/xx unknown
- 1968-05-13 NL NL6806769A patent/NL6806769A/xx unknown
- 1968-05-13 US US728476A patent/US3524711A/en not_active Expired - Lifetime
- 1968-05-13 FR FR1578953D patent/FR1578953A/fr not_active Expired
- 1968-05-13 CH CH705468A patent/CH472312A/de not_active IP Right Cessation
- 1968-05-13 BE BE715085D patent/BE715085A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4507050A (en) * | 1983-12-09 | 1985-03-26 | United Technologies Corporation | Pneumatic valve control for circulation control aircraft |
Also Published As
| Publication number | Publication date |
|---|---|
| BE715085A (cg-RX-API-DMAC7.html) | 1968-09-30 |
| SE341608B (cg-RX-API-DMAC7.html) | 1972-01-10 |
| US3524711A (en) | 1970-08-18 |
| CH472312A (de) | 1969-05-15 |
| FR1578953A (cg-RX-API-DMAC7.html) | 1969-08-22 |
| NL6806769A (cg-RX-API-DMAC7.html) | 1968-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |