NL7102357A - - Google Patents
Info
- Publication number
- NL7102357A NL7102357A NL7102357A NL7102357A NL7102357A NL 7102357 A NL7102357 A NL 7102357A NL 7102357 A NL7102357 A NL 7102357A NL 7102357 A NL7102357 A NL 7102357A NL 7102357 A NL7102357 A NL 7102357A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Automatic Assembly (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB961370 | 1970-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7102357A true NL7102357A (forum.php) | 1971-08-31 |
| NL143494B NL143494B (nl) | 1974-10-15 |
Family
ID=9875372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL717102357A NL143494B (nl) | 1970-02-27 | 1971-02-23 | Naafsamenstel voor de staartrotor van een helikopter. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3700351A (forum.php) |
| CA (1) | CA930717A (forum.php) |
| DE (1) | DE2107975C3 (forum.php) |
| FR (1) | FR2080804B1 (forum.php) |
| GB (1) | GB1302768A (forum.php) |
| NL (1) | NL143494B (forum.php) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3784319A (en) * | 1972-04-17 | 1974-01-08 | Summa Corp | Coriolis-relieving aircraft rotor assembly |
| DE2433727A1 (de) * | 1974-07-13 | 1976-01-29 | Gea Luftkuehler Happel Gmbh | Axial-regelluefter |
| US4881874A (en) * | 1988-03-31 | 1989-11-21 | Bell Helicopter Textron Inc. | Tail rotor |
| US6327957B1 (en) | 1998-01-09 | 2001-12-11 | Wind Eagle Joint Venture | Wind-driven electric generator apparatus of the downwind type with flexible changeable-pitch blades |
| US6764280B2 (en) | 2001-03-06 | 2004-07-20 | Bell Helicopter Textron Inc. | Multi-bladed tail rotor hub design for coriolis relief |
| WO2009073022A1 (en) * | 2007-12-03 | 2009-06-11 | Bell Helicopter Textron Inc. | Multi-bladed rotor system for rotorcraft |
| US8334610B2 (en) * | 2009-02-13 | 2012-12-18 | Robert Migliori | Gearless pitch control mechanism for starting, stopping and regulating the power output of wind turbines without the use of a brake |
| GB2482545B (en) | 2010-08-06 | 2017-05-03 | Ge Aviat Systems Ltd | Aircraft propellers with composite blades mounted to a single propeller hub |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE540843A (forum.php) * | ||||
| US1870928A (en) * | 1931-12-30 | 1932-08-09 | Smith Gerald Drew | Horizontally rotatable winged rotor for aircraft |
| US2795284A (en) * | 1954-02-19 | 1957-06-11 | United Aircraft Corp | Tail rotor counterweight |
| US3232349A (en) * | 1964-12-02 | 1966-02-01 | Enstrom Corp | Rotor system utilizing centrifugal deflection of non-radial blades |
| US3448946A (en) * | 1966-09-16 | 1969-06-10 | Kawasaki Kokuki Kogyo Kk | Compound helicopter |
| GB1205757A (en) * | 1967-02-07 | 1970-09-16 | Westland Aircraft Ltd | Improvements in or relating to rotor heads for rotary wing aircraft |
| FR1543858A (fr) * | 1967-07-15 | 1968-10-25 | Bolkow Gmbh | Rotor pour aéronefs à voilure tournante |
| FR1542617A (fr) * | 1967-07-31 | 1968-10-18 | Sud Aviation | Perfectionnements apportés aux rotors pour aérodynes à voilure tournante |
| US3533713A (en) * | 1968-04-01 | 1970-10-13 | Lockheed Aircraft Corp | Rotor locking device |
| FR1580399A (forum.php) * | 1968-07-04 | 1969-09-05 | ||
| US3552880A (en) * | 1968-09-27 | 1971-01-05 | Ver Flugtechnische Werke | Blade connection for helicopters |
| US3589835A (en) * | 1969-07-17 | 1971-06-29 | United Aircraft Corp | Variable stiffness rotor |
| US3592559A (en) * | 1969-08-28 | 1971-07-13 | Nasa | Variable geometry rotor system |
-
1970
- 1970-02-27 GB GB961370A patent/GB1302768A/en not_active Expired
-
1971
- 1971-02-10 US US114299A patent/US3700351A/en not_active Expired - Lifetime
- 1971-02-19 DE DE2107975A patent/DE2107975C3/de not_active Expired
- 1971-02-22 CA CA105938A patent/CA930717A/en not_active Expired
- 1971-02-22 FR FR7105895A patent/FR2080804B1/fr not_active Expired
- 1971-02-23 NL NL717102357A patent/NL143494B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2080804B1 (forum.php) | 1973-12-28 |
| CA930717A (en) | 1973-07-24 |
| DE2107975B2 (forum.php) | 1974-09-19 |
| DE2107975A1 (de) | 1971-10-07 |
| NL143494B (nl) | 1974-10-15 |
| DE2107975C3 (de) | 1975-05-22 |
| US3700351A (en) | 1972-10-24 |
| GB1302768A (forum.php) | 1973-01-10 |
| FR2080804A1 (forum.php) | 1971-11-19 |