IT8521200A0 - Giunto elastomero a velocita'costante per elevati carichi di coppia. - Google Patents

Giunto elastomero a velocita'costante per elevati carichi di coppia.

Info

Publication number
IT8521200A0
IT8521200A0 IT8521200A IT2120085A IT8521200A0 IT 8521200 A0 IT8521200 A0 IT 8521200A0 IT 8521200 A IT8521200 A IT 8521200A IT 2120085 A IT2120085 A IT 2120085A IT 8521200 A0 IT8521200 A0 IT 8521200A0
Authority
IT
Italy
Prior art keywords
constant speed
high torque
torque loads
elastomer coupling
elastomer
Prior art date
Application number
IT8521200A
Other languages
English (en)
Other versions
IT1185049B (it
Inventor
Francis E Byrnes
Donald L Ferris
Edward S Hibyan
William L Noehren
Peter C Ogle
Eric G Olsen
Original Assignee
United Technologies 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
Priority claimed from US06/622,801 external-priority patent/US4575358A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of IT8521200A0 publication Critical patent/IT8521200A0/it
Application granted granted Critical
Publication of IT1185049B publication Critical patent/IT1185049B/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
    • 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
    • B64C27/41—Rotors having articulated joints with flapping hinge or universal joint, common to the blades
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of The Bearing (AREA)
  • Tires In General (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Rolling Contact Bearings (AREA)
IT21200/85A 1984-06-20 1985-06-19 Giunto elastomero a velocita' costante per elevati carichi di coppia IT1185049B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US62259184A 1984-06-20 1984-06-20
US62280984A 1984-06-20 1984-06-20
US06/622,801 US4575358A (en) 1984-06-20 1984-06-20 Accommodating axial load in an elastomeric high torque, constant velocity joint

Publications (2)

Publication Number Publication Date
IT8521200A0 true IT8521200A0 (it) 1985-06-19
IT1185049B IT1185049B (it) 1987-10-28

Family

ID=27417320

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21200/85A IT1185049B (it) 1984-06-20 1985-06-19 Giunto elastomero a velocita' costante per elevati carichi di coppia

Country Status (10)

Country Link
AU (1) AU577866B2 (it)
BE (1) BE902685A (it)
BR (1) BR8502917A (it)
DE (1) DE3521877C2 (it)
DK (1) DK276485A (it)
ES (1) ES8702592A1 (it)
FR (1) FR2566489B1 (it)
GB (1) GB2160619B (it)
IL (1) IL75565A (it)
IT (1) IT1185049B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083725A (en) * 1990-10-11 1992-01-28 United Technologies Corporation Elastomeric swashplate configuration for helicopters
US5641248A (en) * 1993-04-15 1997-06-24 Continental Emsco Company Variable spring rate compression element and riser tensioner system using the same
US5482406A (en) * 1993-04-15 1996-01-09 Continental Emsco Company Variable spring rate compression element and riser tensioner system using the same
US5628586A (en) * 1995-06-23 1997-05-13 Continental Emsco Company Elastomeric riser tensioner system
US6296444B1 (en) * 1999-10-01 2001-10-02 Bell Helicopter Textron Inc. Prop rotor hub
US7341283B2 (en) 2004-01-29 2008-03-11 Oil States Industries, Inc. High temperature flexible pipe joint
US10301012B2 (en) 2013-08-28 2019-05-28 Sikorsky Aircraft Corporation Rotor hub for rotary wing aircraft
US10214284B2 (en) * 2013-09-30 2019-02-26 Sikorsky Aircraft Corporation Pitch bearing
FR3059296B1 (fr) * 2016-11-29 2019-03-29 Airbus Helicopters Ensemble elastomerique, butee lamifiee, rotor muni d'une telle butee, et aeronef
US11761502B2 (en) 2018-10-31 2023-09-19 Fm Energie Gmbh & Co. Kg Elastic joints having a torsion stop and use of such joints in vibration absorbers

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1488740A (en) * 1922-12-23 1924-04-01 Timothy C Dobbins Resilinet universal joint for power transmission
GB492517A (en) * 1936-01-23 1938-09-21 Max Goldschmidt Improvements in and relating to springs comprising rubber and metal parts
US2363469A (en) * 1942-09-01 1944-11-21 Metalastik Ltd Flexible coupling, flexible mounting, and the like
GB919351A (en) * 1958-06-23 1963-02-27 Schwitzer Corp An improved rotatable assembly
US2948129A (en) * 1958-06-23 1960-08-09 Schwitzer Corp Elliptical vibration damper
BE588408A (fr) * 1959-03-13 1960-09-08 Glaenzer Spicer Sa Accouplement flexible universel pour transmissions
FR1255940A (fr) * 1959-03-13 1961-03-17 Glaenzerspicer Accouplement flexible pour transmissions
US3524332A (en) * 1968-09-06 1970-08-18 Rex Chainbelt Inc Elastomer coupling
GB1351138A (en) * 1970-04-07 1974-04-24 Dunlop Holdings Ltd Springs
SE7500297L (sv) * 1975-01-13 1976-07-14 Skf Nova Ab Vibrationsdempande koppling
DE2643166A1 (de) * 1975-11-03 1977-05-12 United Technologies Corp Elastomeres lager fuer hubschrauberrotor
GB1507381A (en) * 1976-07-16 1978-04-12 Oswell J Patient support apparatus
DE2706479C2 (de) * 1977-02-16 1984-05-30 Maschinenfabrik Stromag Gmbh, 4750 Unna Drehelastische Kupplung
CA1096188A (en) * 1977-07-07 1981-02-24 Jerome Greene Flexible coupling
US4208889A (en) * 1978-08-30 1980-06-24 Barry Wright Corporation Constant velocity, torsionally rigid, flexible coupling
US4323332A (en) * 1979-12-21 1982-04-06 United Technologies Corporation Hingeless helicopter rotor with elastic gimbal hub
US4427340A (en) * 1982-06-24 1984-01-24 Bell Helicopter Textron Inc. Soft inplane bearingless helicopter rotor

Also Published As

Publication number Publication date
ES8702592A1 (es) 1987-01-01
AU577866B2 (en) 1988-10-06
GB2160619A (en) 1985-12-24
DK276485A (da) 1985-12-21
FR2566489B1 (fr) 1990-04-06
AU4379485A (en) 1986-01-02
IL75565A (en) 1989-12-15
IT1185049B (it) 1987-10-28
BE902685A (fr) 1985-10-16
GB2160619B (en) 1987-10-14
DE3521877C2 (de) 1996-07-11
GB8514510D0 (en) 1985-07-10
ES544336A0 (es) 1987-01-01
BR8502917A (pt) 1986-03-04
DE3521877A1 (de) 1986-01-02
FR2566489A1 (fr) 1985-12-27
DK276485D0 (da) 1985-06-19

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950531