BR9709232A - Método e aparelho para a redução de movimento transiente entre um elemento de potência de aeronave e a estrutura durante a decolagem a aterrissagem e as manobras - Google Patents

Método e aparelho para a redução de movimento transiente entre um elemento de potência de aeronave e a estrutura durante a decolagem a aterrissagem e as manobras

Info

Publication number
BR9709232A
BR9709232A BR9709232A BR9709232A BR9709232A BR 9709232 A BR9709232 A BR 9709232A BR 9709232 A BR9709232 A BR 9709232A BR 9709232 A BR9709232 A BR 9709232A BR 9709232 A BR9709232 A BR 9709232A
Authority
BR
Brazil
Prior art keywords
maneuvers
landing
reduction
power element
structure during
Prior art date
Application number
BR9709232A
Other languages
English (en)
Inventor
Peter J Jones
Dennis P Mcguire
Original Assignee
Lord Corp
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 Lord Corp filed Critical Lord Corp
Publication of BR9709232A publication Critical patent/BR9709232A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/40—Arrangements for mounting power plants in aircraft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/1034—Vibration-dampers; Shock-absorbers using inertia effect of movement of a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • F16F9/5126—Piston, or piston-like valve elements
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7847—With leak passage
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7869—Biased open

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Vibration Prevention Devices (AREA)
  • Transmission Devices (AREA)
  • Tires In General (AREA)
BR9709232A 1996-05-10 1997-04-03 Método e aparelho para a redução de movimento transiente entre um elemento de potência de aeronave e a estrutura durante a decolagem a aterrissagem e as manobras BR9709232A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/644,147 US5788372A (en) 1996-05-10 1996-05-10 Method and apparatus for reducing transient motion between an aircraft power member and structure during takeoff, landing and maneuvers
PCT/US1997/005578 WO1997043561A1 (en) 1996-05-10 1997-04-03 Method and apparatus for reducing transient motion between an aircraft power member and structure during takeoff, landing, and maneuvers

Publications (1)

Publication Number Publication Date
BR9709232A true BR9709232A (pt) 1999-08-10

Family

ID=24583646

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709232A BR9709232A (pt) 1996-05-10 1997-04-03 Método e aparelho para a redução de movimento transiente entre um elemento de potência de aeronave e a estrutura durante a decolagem a aterrissagem e as manobras

Country Status (6)

Country Link
US (1) US5788372A (pt)
EP (1) EP0897490B1 (pt)
BR (1) BR9709232A (pt)
CA (1) CA2253846A1 (pt)
ES (1) ES2171924T3 (pt)
WO (1) WO1997043561A1 (pt)

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US9249856B1 (en) 2014-03-18 2016-02-02 Bell Helicopter Textron Inc. Liquid inertia vibration mount
US9551393B2 (en) 2014-04-23 2017-01-24 Bell Helicopter Textron Inc. Rotorcraft vibration isolation systems
US10689098B2 (en) 2015-06-25 2020-06-23 Sikorsky Aircraft Corporation Adaptive landing gear assembly for rotary wing aircraft
US9618077B2 (en) 2015-07-23 2017-04-11 Honeywell International Inc. Isolators including main spring linear guide systems
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FR3053661B1 (fr) * 2016-07-11 2018-07-13 Safran Aircraft Engines Dispositif de propulsion pour un aeronef, tel par exemple qu'un turbopropulseur
US10550907B2 (en) * 2016-08-18 2020-02-04 Textron Innovations Inc. Liquid inertia vibration elimination system
US10875655B2 (en) * 2017-06-23 2020-12-29 Hutchinson Aerospace & Industry Inc. Vibration isolation device, especially for aircraft applications
US11131363B2 (en) * 2017-10-16 2021-09-28 Textron Innovations Inc. Vibration attenuating fluid mount with partitioned compensator
US10967962B2 (en) * 2018-06-27 2021-04-06 Bell Helicopter Textron Inc. Removable struts for vibration isolation device mounting system
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Also Published As

Publication number Publication date
WO1997043561A1 (en) 1997-11-20
CA2253846A1 (en) 1997-11-20
EP0897490A1 (en) 1999-02-24
US5788372A (en) 1998-08-04
ES2171924T3 (es) 2002-09-16
EP0897490B1 (en) 2002-01-30

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A , 10A , 11A E 12A ANUIDADES.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO 24.3 PUBLICADO NA RPI 2002 DE 19/05/2009.