DE69019335D1 - Blattverstelllageranordnung. - Google Patents

Blattverstelllageranordnung.

Info

Publication number
DE69019335D1
DE69019335D1 DE69019335T DE69019335T DE69019335D1 DE 69019335 D1 DE69019335 D1 DE 69019335D1 DE 69019335 T DE69019335 T DE 69019335T DE 69019335 T DE69019335 T DE 69019335T DE 69019335 D1 DE69019335 D1 DE 69019335D1
Authority
DE
Germany
Prior art keywords
bearing arrangement
blade adjustment
adjustment bearing
blade
arrangement
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
DE69019335T
Other languages
English (en)
Other versions
DE69019335T2 (de
Inventor
Madison Robinson
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.)
Bell Helicopter Textron Inc
Original Assignee
Bell 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 Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Publication of DE69019335D1 publication Critical patent/DE69019335D1/de
Application granted granted Critical
Publication of DE69019335T2 publication Critical patent/DE69019335T2/de
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
    • B64C27/35—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Sliding-Contact Bearings (AREA)
DE69019335T 1989-10-13 1990-06-25 Blattverstelllageranordnung. Expired - Fee Related DE69019335T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/421,166 US4986735A (en) 1989-10-13 1989-10-13 Pitch change bearing system
PCT/US1990/003511 WO1991005701A1 (en) 1989-10-13 1990-06-25 Pitch change bearing system

Publications (2)

Publication Number Publication Date
DE69019335D1 true DE69019335D1 (de) 1995-06-14
DE69019335T2 DE69019335T2 (de) 1995-09-14

Family

ID=23669443

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019335T Expired - Fee Related DE69019335T2 (de) 1989-10-13 1990-06-25 Blattverstelllageranordnung.

Country Status (7)

Country Link
US (1) US4986735A (de)
EP (1) EP0448654B1 (de)
JP (1) JP2696430B2 (de)
AU (1) AU6161290A (de)
DE (1) DE69019335T2 (de)
IL (1) IL94680A0 (de)
WO (1) WO1991005701A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110259A (en) * 1989-10-13 1992-05-05 Bell Helicopter Textron Inc. Pitch change bearing system
US5083725A (en) * 1990-10-11 1992-01-28 United Technologies Corporation Elastomeric swashplate configuration for helicopters
US5120195A (en) * 1990-10-23 1992-06-09 Schmaling David N Clevis joint capable of accommodating substantial pivotal motion between its joined members and loading along its axis
US5188513A (en) * 1990-12-17 1993-02-23 United Technologies Corporation Snubber-bearing with combined elastomer laminates
FR2685675B1 (fr) * 1991-12-26 1994-04-01 Aerospatiale Ste Nationale Indle Dispositif de palier elastomerique cylindrique a grand debattement angulaire.
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
US7097169B2 (en) * 2004-08-04 2006-08-29 Skf Usa Inc. Elastomeric bearing with modified cylindrical core
EP2387530B1 (de) * 2009-01-19 2014-01-08 Bell Helicopter Textron Inc. Gabel und lagermontagevorrichtung für rotoren
US9702402B2 (en) * 2011-10-28 2017-07-11 Textron Innovations Inc. Increased capacity spherical lined bearings
US9085357B2 (en) * 2011-11-15 2015-07-21 Textron Innovations Inc. Rotor hub bearing system
US8926281B2 (en) 2012-02-21 2015-01-06 Textron Innovations Inc. Compact rotorcraft dual-element spherical elastomeric centrifugal-force bearing assembly
US9657816B2 (en) * 2013-11-01 2017-05-23 Bell Helicopter Textron Inc. Drive link for tiltrotor rotor system
WO2015066472A1 (en) * 2013-11-01 2015-05-07 Lord Corporation Improved riser tensioner bearing system
US9796469B2 (en) * 2014-04-04 2017-10-24 The Boeing Company Modular rotor craft rotor hub system
US10309452B2 (en) * 2014-09-30 2019-06-04 Aktiebolaget Skf Cylindrical bearing with thermally conductive members
US20160238068A1 (en) * 2015-02-12 2016-08-18 Aktiebolaget Skf Combination spherical and laminated bearing
US10556676B2 (en) * 2018-01-29 2020-02-11 Bell Helicopter Textron Inc. Hybrid yoke
US10543913B2 (en) * 2018-01-29 2020-01-28 Bell Helicopter Textron Inc. Tri-hybrid yoke
WO2023044342A1 (en) * 2021-09-16 2023-03-23 Genesis Air Mobility Llc Rotor hub systems and methods

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1931026A (en) * 1930-03-26 1933-10-17 Chrysler Corp Bearing
US3362765A (en) * 1963-05-28 1968-01-09 Plastic & Rubber Prod Co Shaft bearing and replaceable bearing insert therefor
US3556673A (en) * 1968-10-11 1971-01-19 Bolkow Gmbh Rotor mounting
US3782854A (en) * 1972-07-05 1974-01-01 United Aircraft Corp Elastomeric bearing for a helicopter rotor
US3807896A (en) * 1972-10-10 1974-04-30 Textron Inc Concentric tube spring rotor mount
US3829239A (en) * 1973-02-21 1974-08-13 United Aircraft Corp Multiple element journal bearing
US3942910A (en) * 1974-05-13 1976-03-09 Textron, Inc. Grip-yoke assembly with a redundant centrifugal load support
US4522563A (en) * 1982-07-06 1985-06-11 Bell Helicopter Textron, Inc. Elastomeric system for mounting a helicopter rotor
US4543040A (en) * 1982-09-30 1985-09-24 The Boeing Company Helicopter rotor system
DE3464036D1 (en) * 1983-08-22 1987-07-09 Westland Plc Helicopter rotors

Also Published As

Publication number Publication date
EP0448654A4 (en) 1993-03-31
IL94680A0 (en) 1991-04-15
US4986735A (en) 1991-01-22
DE69019335T2 (de) 1995-09-14
EP0448654B1 (de) 1995-05-10
AU6161290A (en) 1991-05-16
JP2696430B2 (ja) 1998-01-14
WO1991005701A1 (en) 1991-05-02
EP0448654A1 (de) 1991-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee