GB2149473B - Actuator system - Google Patents

Actuator system

Info

Publication number
GB2149473B
GB2149473B GB08329799A GB8329799A GB2149473B GB 2149473 B GB2149473 B GB 2149473B GB 08329799 A GB08329799 A GB 08329799A GB 8329799 A GB8329799 A GB 8329799A GB 2149473 B GB2149473 B GB 2149473B
Authority
GB
United Kingdom
Prior art keywords
actuator system
actuator
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
Application number
GB08329799A
Other versions
GB2149473A (en
Inventor
John Richard Simmons
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB08329799A priority Critical patent/GB2149473B/en
Publication of GB2149473A publication Critical patent/GB2149473A/en
Application granted granted Critical
Publication of GB2149473B publication Critical patent/GB2149473B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • 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
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/58—Transmitting means, e.g. interrelated with initiating means or means acting on blades
    • B64C27/64—Transmitting means, e.g. interrelated with initiating means or means acting on blades using fluid pressure, e.g. having fluid power amplification
    • 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
    • B64C27/72—Means acting on blades
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/30—Wing lift efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
GB08329799A 1983-11-08 1983-11-08 Actuator system Expired GB2149473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08329799A GB2149473B (en) 1983-11-08 1983-11-08 Actuator system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08329799A GB2149473B (en) 1983-11-08 1983-11-08 Actuator system

Publications (2)

Publication Number Publication Date
GB2149473A GB2149473A (en) 1985-06-12
GB2149473B true GB2149473B (en) 1987-03-11

Family

ID=10551438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08329799A Expired GB2149473B (en) 1983-11-08 1983-11-08 Actuator system

Country Status (1)

Country Link
GB (1) GB2149473B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160840B (en) * 1984-06-29 1987-12-02 Westland Plc Method and apparatus for reducing vibration of a helicopter fuselage
FR2675558A1 (en) * 1991-04-22 1992-10-23 Hutchinson ELASTIC BINDING BAR WITH ACTIVE VIBRATION CONTROL SYSTEM.
FR2678578B1 (en) * 1991-07-02 1993-10-22 Aerospatiale Ste Nationale Indle PROCESS AND DEVICE FOR REDUCING DIFFERENCES IN THE FUSELAGE OF A HELICOPTER.
JP2758374B2 (en) * 1995-02-28 1998-05-28 株式会社コミュータヘリコプタ先進技術研究所 Helicopter rotor harmonic controller
FR2737181B1 (en) * 1995-07-27 1997-09-19 Eurocopter France METHOD AND DEVICE FOR REDUCING VIBRATIONS GENERATED ON THE STRUCTURE OF A HELICOPTER
FR2747099B1 (en) * 1996-04-04 1998-06-12 Eurocopter France METHOD AND DEVICE FOR REDUCING THE EFFECT OF VIBRATIONS GENERATED BY THE DRIVE CHAIN OF A HELICOPTER
DE102011014019B4 (en) * 2011-03-15 2019-01-10 Deutsches Zentrum für Luft- und Raumfahrt e.V. TPP-splitting
EP2687440B1 (en) * 2012-07-16 2017-10-11 Airbus Defence and Space GmbH Apparatus and method for reducing, avoiding or eliminating lateral vibrations of a helicopter
DE102013223508B4 (en) * 2013-11-19 2021-07-08 Zf Friedrichshafen Ag Control device of a helicopter main rotor

Also Published As

Publication number Publication date
GB2149473A (en) 1985-06-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921108