IT1091290B - Articolazione sferica flessibile particolarmente per pale di rotori di elicotteri - Google Patents

Articolazione sferica flessibile particolarmente per pale di rotori di elicotteri

Info

Publication number
IT1091290B
IT1091290B IT69514/77A IT6951477A IT1091290B IT 1091290 B IT1091290 B IT 1091290B IT 69514/77 A IT69514/77 A IT 69514/77A IT 6951477 A IT6951477 A IT 6951477A IT 1091290 B IT1091290 B IT 1091290B
Authority
IT
Italy
Prior art keywords
rotor blades
helicopter rotor
spherical articulation
flexible particularly
articulation flexible
Prior art date
Application number
IT69514/77A
Other languages
English (en)
Inventor
Paul Donguy
Original Assignee
Europ Propulsion
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 Europ Propulsion filed Critical Europ Propulsion
Application granted granted Critical
Publication of IT1091290B publication Critical patent/IT1091290B/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
    • 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
IT69514/77A 1976-11-10 1977-11-09 Articolazione sferica flessibile particolarmente per pale di rotori di elicotteri IT1091290B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7634009A FR2370900A1 (fr) 1976-11-10 1976-11-10 Piece de butee flexible

Publications (1)

Publication Number Publication Date
IT1091290B true IT1091290B (it) 1985-07-06

Family

ID=9179778

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69514/77A IT1091290B (it) 1976-11-10 1977-11-09 Articolazione sferica flessibile particolarmente per pale di rotori di elicotteri

Country Status (7)

Country Link
US (1) US4227858A (it)
CA (1) CA1087862A (it)
DE (1) DE2749775A1 (it)
FR (1) FR2370900A1 (it)
GB (1) GB1591227A (it)
IT (1) IT1091290B (it)
NL (1) NL7712269A (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1095573A (en) * 1977-06-15 1981-02-10 Robert R. Peterson Laminated bearing structures
YU40996B (en) * 1978-05-31 1986-10-31 Freyssinet Int Stup Device for great international amorization fer supporting a construction
FR2442941A2 (fr) * 1978-12-01 1980-06-27 Freyssinet Int Stup Dispositif d'appui a fort amortissement interne
FR2427446A1 (fr) * 1978-05-31 1979-12-28 Freyssinet Int Stup Dispositif amortisseur d'effets sismiques pour constructions
US4543010A (en) * 1981-12-01 1985-09-24 Dunlop Limited Joint means
US4533274A (en) * 1982-01-27 1985-08-06 Dunlop Limited Flexible joint means
FR2613319B1 (fr) * 1987-03-30 1989-06-30 Aerospatiale Dispositif de palier combine pour rotor de giravion, et rotor equipe d'un tel dispositif de palier
FR2616122B1 (fr) * 1987-06-04 1990-11-30 Aerospatiale Bras de liaison torsible et flexible avec amortissement de flexion integre, en particulier pour la liaison d'une pale de rotor a son moyeu, et rotor et moyeu equipes de tels bras
US4886419A (en) * 1988-09-30 1989-12-12 The Boeing Company Elastomeric bearing for helicopter rotor having lead-lag damping
DE10050067C2 (de) * 2000-10-10 2003-02-20 Trelleborg Automotive Tech Ct Vorrichtung zum luftdichten Verschließen eines Hubraums einer Luftfeder bei gleichzeitiger kugelgelenkartiger Führung eines hydraulischen Stoßdämpfers in diesem Hubraum
UA84862C2 (en) * 2003-03-03 2008-12-10 Месье-Бугатти Substrate
US10344798B2 (en) * 2016-06-01 2019-07-09 The Boeing Company Compact thrust bearing assemblies, mechanical assemblies including compact thrust bearing assemblies, and methods of providing limited rotational motion in a compact thrust bearing assembly

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB661660A (en) * 1947-07-12 1951-11-28 Onera (Off Nat Aerospatiale) Self-adjustable propeller blades
US3083065A (en) * 1959-08-10 1963-03-26 William L Hinks Static load bearing having preformed lateral support features
US3012767A (en) * 1961-04-17 1961-12-12 Southern Machinery Co Energy storing and shock absorbing device
US3228673A (en) * 1963-08-26 1966-01-11 William L Hinks Laterally supported static load bearing
US3390899A (en) * 1965-03-15 1968-07-02 Lockheed Aircraft Corp Flexible joint means
US3504902A (en) * 1967-08-22 1970-04-07 Trw Inc Pin stabilized laminated bearing flexible joint
US3680895A (en) * 1969-11-24 1972-08-01 Lockheed Aircraft Corp Flexible joint means
GB1429308A (en) * 1972-04-17 1976-03-24 Dunlop Ltd Railway vehicles
US3761199A (en) * 1972-07-14 1973-09-25 United Aircraft Corp Helicopter rotor with redundant load carrying capability
US3853426A (en) * 1972-09-05 1974-12-10 United Aircraft Corp Elastomeric helicopter rotor head with dynamic and static blade coning and droop stops
US4040690A (en) * 1975-11-17 1977-08-09 Lord Corporation Laminated bearing

Also Published As

Publication number Publication date
NL7712269A (nl) 1978-05-12
US4227858A (en) 1980-10-14
GB1591227A (en) 1981-06-17
FR2370900A1 (fr) 1978-06-09
DE2749775A1 (de) 1978-06-01
FR2370900B1 (it) 1982-05-21
CA1087862A (en) 1980-10-21

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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: 19931130