IT7819825A0 - Cuscinetto troncoconico a strati di materiale elastomerico, in particolare per pale di elicottero. - Google Patents

Cuscinetto troncoconico a strati di materiale elastomerico, in particolare per pale di elicottero.

Info

Publication number
IT7819825A0
IT7819825A0 IT7819825A IT1982578A IT7819825A0 IT 7819825 A0 IT7819825 A0 IT 7819825A0 IT 7819825 A IT7819825 A IT 7819825A IT 1982578 A IT1982578 A IT 1982578A IT 7819825 A0 IT7819825 A0 IT 7819825A0
Authority
IT
Italy
Prior art keywords
layers
elastomeric material
helicopter blades
truncated bearing
truncated
Prior art date
Application number
IT7819825A
Other languages
English (en)
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 IT7819825A0 publication Critical patent/IT7819825A0/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
    • F16C27/063—Sliding contact bearings
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/393—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type with spherical or conical sleeves
    • F16F1/3935—Conical sleeves
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/43—Aeroplanes; Helicopters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Springs (AREA)
  • Vibration Prevention Devices (AREA)
  • Sliding-Contact Bearings (AREA)
  • Support Of The Bearing (AREA)
IT7819825A 1977-02-01 1978-01-31 Cuscinetto troncoconico a strati di materiale elastomerico, in particolare per pale di elicottero. IT7819825A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/764,667 US4108508A (en) 1977-02-01 1977-02-01 Frustroconical laminated bearing

Publications (1)

Publication Number Publication Date
IT7819825A0 true IT7819825A0 (it) 1978-01-31

Family

ID=25071393

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7819825A IT7819825A0 (it) 1977-02-01 1978-01-31 Cuscinetto troncoconico a strati di materiale elastomerico, in particolare per pale di elicottero.

Country Status (5)

Country Link
US (1) US4108508A (it)
JP (1) JPS53115433A (it)
DE (1) DE2804124A1 (it)
FR (1) FR2378975A1 (it)
IT (1) IT7819825A0 (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291925A (en) * 1979-07-26 1981-09-29 Barry Wright Corporation Laminated bearings with dual stock layers
US4846446A (en) * 1982-04-30 1989-07-11 Lockheed Corporation Rope tension damper
US4760992A (en) * 1982-04-30 1988-08-02 Lockheed Corporation Rope tension damper
US4605104A (en) * 1982-06-14 1986-08-12 Morton Thiokol, Inc. Actuator device
US4522563A (en) * 1982-07-06 1985-06-11 Bell Helicopter Textron, Inc. Elastomeric system for mounting a helicopter rotor
US4868962A (en) * 1982-09-30 1989-09-26 The Boeing Company Method of fabricating a helicopter rotor system
US4543040A (en) * 1982-09-30 1985-09-24 The Boeing Company Helicopter rotor system
US4601591A (en) * 1984-05-14 1986-07-22 The Garrett Corporation Elastomeric bearing damper apparatus and associated methods
US4655433A (en) * 1985-08-20 1987-04-07 Lockheed Corporation Riser tensioning system
US4729753A (en) * 1985-11-04 1988-03-08 Bell Helicopter Textron Inc. Constant velocity elastomeric bearing joint
US4754958A (en) * 1986-01-31 1988-07-05 Barry Wright Corporation Motion snubber
US4708758A (en) * 1986-09-25 1987-11-24 Morton Thiokol, Inc. Method of making a flexible bearing
US4927481A (en) * 1988-04-14 1990-05-22 Morton Thiokol, Inc. Method of making continuous reinforcement for flexible bearing laminate
SE8903688L (sv) * 1989-07-24 1991-01-25 Torrington Co Sjaelvinstaellande lager
US5035576A (en) * 1989-10-11 1991-07-30 United Technologies Corporation Propeller blade pin attachment
US5271678A (en) * 1989-12-29 1993-12-21 Caoutchouc Manufacture Et Plastiques S.A. Elastic bearing
US5110260A (en) * 1990-12-17 1992-05-05 United Technologies Corporation Articulated helicopter rotor within an improved blade-to-hub connection
US5118256A (en) * 1991-04-29 1992-06-02 United Technologies Corporation Blade retention apparatus with elastomeric preload
WO1994015113A1 (en) * 1992-12-23 1994-07-07 United Technologies Corporation Tubular elastomer damper
US5913659A (en) * 1993-11-22 1999-06-22 United Technologies Corporation Apparatus and method for adjusting rotor blade tracking
US6803095B1 (en) 2000-09-28 2004-10-12 Lord Corporation Composite shims having a laminate structure
US6942205B2 (en) * 2002-01-02 2005-09-13 Meritor Light Vehicle Technology, Llc Spiral rolled laminated bushing
FR2860582B1 (fr) 2003-10-03 2006-02-10 Eurocopter France Organe elastomerique muni de moyens de controle.
US7296766B2 (en) * 2004-07-13 2007-11-20 Sikorsky Aircraft Corporation Lightweight structural damping assembly
EP2913268B1 (en) * 2014-02-26 2018-08-01 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Bearing arrangement with a first bearing layer and a second bearing layer
DE102016114737B4 (de) 2016-08-09 2018-11-22 Vibracoustic Gmbh Lagerbuchse und Verfahren zum Herstellen der Lagerbuchse
DE102017214511A1 (de) * 2017-08-21 2019-02-21 Audi Ag Gummi-Metall-Lager

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR982035A (fr) * 1943-06-02 1951-06-04 Perfectionnements apportés aux systèmes du genre de ceux comportant un élement de gomme travaillant entre deux armatures et aux procédés pour les établir
US2900182A (en) * 1955-04-27 1959-08-18 William L Hinks Static load bearings
US3179400A (en) * 1963-06-11 1965-04-20 Lord Mfg Co Torsion spring
US3652185A (en) * 1970-03-13 1972-03-28 Textron Inc Elastomeric rotor blade mount

Also Published As

Publication number Publication date
DE2804124A1 (de) 1978-08-03
JPS53115433A (en) 1978-10-07
FR2378975A1 (fr) 1978-08-25
US4108508A (en) 1978-08-22

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