ES2013879A6 - Un rotor de cola de helicoptero. - Google Patents
Un rotor de cola de helicoptero.Info
- Publication number
- ES2013879A6 ES2013879A6 ES8901146A ES8901146A ES2013879A6 ES 2013879 A6 ES2013879 A6 ES 2013879A6 ES 8901146 A ES8901146 A ES 8901146A ES 8901146 A ES8901146 A ES 8901146A ES 2013879 A6 ES2013879 A6 ES 2013879A6
- Authority
- ES
- Spain
- Prior art keywords
- blade pair
- rotation
- axis
- tail rotor
- pitch change
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/37—Rotors having articulated joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/33—Rotors having flexing arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
UN ROTOR DE COLA DE HELICOPTERO (10, 130) INCLUYE UN ARBOL IMPULSOR (12) QUE TIENE UN EJE DE ROTACION (14). UN PRIMER PAR DE PALAS (20) ESTA MONTADO PARA GIRAR ALREDEDOR DEL ARBOL IMPULSOR (12). EL PRIMER PAR DE PALAS (20) INCLUYE UN EJE DE CAMBIO DE PASO (54) DISPUESTO PERPENDICULARMENTE AL EJE DE ROTACION DEL ARBOL IMPULSOR (14). UN SEGUNDO PAR DE PALAS (34) ESTA MONTADO PARA GIRAR ALREDEDOR DEL ARBOL IMPULSOR (12) Y ESTA SEPARADO Y DISPUESTO PARALELAMENTE CON RESPECTO AL PRIMER PAR DE PALAS (20). EL SEGUNDO PAR DE PALAS (34) INCLUYE UN EJE DE CAMBIO DE PASO (60) PARALELO AL EJE DE CAMBIO DE PASO (54) DEL PRIMER PAR DE PALAS (20).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/175,770 US4881874A (en) | 1988-03-31 | 1988-03-31 | Tail rotor |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2013879A6 true ES2013879A6 (es) | 1990-06-01 |
Family
ID=22641559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8901146A Expired - Fee Related ES2013879A6 (es) | 1988-03-31 | 1989-03-31 | Un rotor de cola de helicoptero. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4881874A (es) |
EP (1) | EP0362373A4 (es) |
JP (1) | JPH03500156A (es) |
KR (1) | KR900700341A (es) |
AU (1) | AU3737589A (es) |
CA (1) | CA1320187C (es) |
ES (1) | ES2013879A6 (es) |
IL (1) | IL89763A0 (es) |
WO (1) | WO1989009164A1 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5607122A (en) * | 1994-12-22 | 1997-03-04 | Bell Helicopter Textron Inc. | Tail rotor authority control for a helicopter |
US6764280B2 (en) * | 2001-03-06 | 2004-07-20 | Bell Helicopter Textron Inc. | Multi-bladed tail rotor hub design for coriolis relief |
US6732973B1 (en) * | 2001-11-07 | 2004-05-11 | Rehco, Llc | Stabilizer for a propeller related vehicle |
MXPA03005415A (es) * | 2001-11-07 | 2005-02-14 | Rehco Llc | Helices, establizantes de helices y vehiculos relacionados con helices. |
US20060049303A1 (en) * | 2004-08-23 | 2006-03-09 | Wilkerson Darrell W | Mechanical density altitude compensation device for helicopter tail rotors |
WO2009073022A1 (en) * | 2007-12-03 | 2009-06-11 | Bell Helicopter Textron Inc. | Multi-bladed rotor system for rotorcraft |
US7980522B2 (en) * | 2007-12-28 | 2011-07-19 | Alion Science And Technology Corporation | Trailing edge blade clamp |
CN101978170B (zh) * | 2008-01-25 | 2015-05-06 | Skf公司 | 改变叶轮/推进器的叶片间距的装置及包括该装置的扇 |
US20090283628A1 (en) * | 2008-05-19 | 2009-11-19 | Frederickson Kirk C | Directional control arrangement to provide stabilizing feedback to a structural bending mode |
EP2432688B1 (en) * | 2009-05-21 | 2013-04-03 | Bell Helicopter Textron Inc. | Differential pitch control to optimize co-rotating stacked rotor performance |
US8640983B2 (en) * | 2009-05-21 | 2014-02-04 | Textron Innovations Inc. | Rotor hub and controls for multi-bladed rotor system |
CN102438899B (zh) * | 2009-05-22 | 2015-08-26 | 贝尔直升机泰克斯特龙公司 | 用于提高悬停性能的同向旋转层叠旋翼桨盘 |
US9840325B2 (en) * | 2012-06-26 | 2017-12-12 | Bell Helicopter Textron Inc. | Dual series pitch link bearing |
US9010679B2 (en) * | 2012-06-26 | 2015-04-21 | Bell Helicopter Textron Inc. | Hybrid spherical and thrust bearing |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1912354A (en) * | 1929-12-30 | 1933-05-30 | Pescara Raul Pateras | Single control with reflex action for helicopter type flying apparatus |
FR980312A (fr) * | 1943-01-25 | 1951-05-10 | Aeroplanes H Potez | Hélices et voilures tournantes à pales jumelées avec effet de fente |
FR900353A (fr) * | 1943-08-10 | 1945-06-27 | Perfectionnements aux hélices | |
US2491042A (en) * | 1945-12-24 | 1949-12-13 | Hayot Louis Adolphe | Flying machine, including features of a helicopter and an autogiro |
US2755866A (en) * | 1953-09-25 | 1956-07-24 | Apostolescu Stefan | Tandem helicopter |
GB752220A (en) * | 1954-01-21 | 1956-07-04 | Saunders Roe Ltd | Improvements in torque compensating rotors for aircraft |
US2829721A (en) * | 1954-10-27 | 1958-04-08 | Gyrodyne Company Of America In | Directional control system for rotary wing aircraft having contra-rotating load-carrying rotors |
US3163231A (en) * | 1963-04-29 | 1964-12-29 | United Aircraft Corp | Two-part pitch changing mechanism |
US3592559A (en) * | 1969-08-28 | 1971-07-13 | Nasa | Variable geometry rotor system |
GB1302768A (es) * | 1970-02-27 | 1973-01-10 | ||
US3762669A (en) * | 1971-11-02 | 1973-10-02 | A Curci | High-speed helicopter |
US3784319A (en) * | 1972-04-17 | 1974-01-08 | Summa Corp | Coriolis-relieving aircraft rotor assembly |
FR2310920A1 (fr) * | 1975-05-14 | 1976-12-10 | Aerospatiale | Agencement de rotor pour aeronef a voilure tournante |
JP2009063719A (ja) * | 2007-09-05 | 2009-03-26 | Sony Corp | 有機エレクトロルミネッセンス発光部の駆動方法 |
-
1988
- 1988-03-31 US US07/175,770 patent/US4881874A/en not_active Expired - Lifetime
-
1989
- 1989-03-13 KR KR1019890702230A patent/KR900700341A/ko not_active Application Discontinuation
- 1989-03-13 AU AU37375/89A patent/AU3737589A/en not_active Abandoned
- 1989-03-13 WO PCT/US1989/000922 patent/WO1989009164A1/en not_active Application Discontinuation
- 1989-03-13 EP EP19890906546 patent/EP0362373A4/en not_active Withdrawn
- 1989-03-13 JP JP1506241A patent/JPH03500156A/ja active Pending
- 1989-03-27 IL IL89763A patent/IL89763A0/xx unknown
- 1989-03-30 CA CA000595190A patent/CA1320187C/en not_active Expired - Lifetime
- 1989-03-31 ES ES8901146A patent/ES2013879A6/es not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1989009164A1 (en) | 1989-10-05 |
CA1320187C (en) | 1993-07-13 |
JPH03500156A (ja) | 1991-01-17 |
EP0362373A4 (en) | 1991-04-03 |
US4881874A (en) | 1989-11-21 |
KR900700341A (ko) | 1990-08-13 |
AU3737589A (en) | 1989-10-16 |
EP0362373A1 (en) | 1990-04-11 |
IL89763A0 (en) | 1989-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20011110 |