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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
Application number
ES8901146A
Other languages
English (en)
Inventor
Billy Paul White
Dwayne Edwing Morrison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HELICOPTER TEXTRON Inc
Original Assignee
HELICOPTER TEXTRON Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HELICOPTER TEXTRON Inc filed Critical HELICOPTER TEXTRON Inc
Publication of ES2013879A6 publication Critical patent/ES2013879A6/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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).
ES8901146A 1988-03-31 1989-03-31 Un rotor de cola de helicoptero. Expired - Fee Related ES2013879A6 (es)

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)

* Cited by examiner, † Cited by third party
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
WO2003039950A2 (en) * 2001-11-07 2003-05-15 Rehco Llc Propellers, propeller stabilizers, and propeller related vehicles
US20060049303A1 (en) * 2004-08-23 2006-03-09 Wilkerson Darrell W Mechanical density altitude compensation device for helicopter tail rotors
DE07873274T1 (de) * 2007-12-03 2011-01-27 Bell Helicopter Textron, Inc., Fort Worth Mehrblättriges rotorsystem für drehflügler
US7980522B2 (en) * 2007-12-28 2011-07-19 Alion Science And Technology Corporation Trailing edge blade clamp
RU2496028C2 (ru) * 2008-01-25 2013-10-20 Актиеболагет Скф Устройство для изменения наклона лопасти импеллера/пропеллера и вентилятор, содержащий это устройство
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
EP2432689B1 (en) * 2009-05-22 2013-07-17 Bell Helicopter Textron Inc. Co-rotating stacked rotor disks for improved hover performance
US9010679B2 (en) * 2012-06-26 2015-04-21 Bell Helicopter Textron Inc. Hybrid spherical and thrust bearing
US9840325B2 (en) * 2012-06-26 2017-12-12 Bell Helicopter Textron Inc. Dual series pitch link bearing

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPH03500156A (ja) 1991-01-17
CA1320187C (en) 1993-07-13
KR900700341A (ko) 1990-08-13
EP0362373A1 (en) 1990-04-11
IL89763A0 (en) 1989-09-28
US4881874A (en) 1989-11-21
EP0362373A4 (en) 1991-04-03
WO1989009164A1 (en) 1989-10-05
AU3737589A (en) 1989-10-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20011110