IT1126962B - Perfezionamento nelle strutture di montaggio per trasmissioni di elicotteri in particolare per evitare la trasmissione di vibrazioni alla fusoliera - Google Patents

Perfezionamento nelle strutture di montaggio per trasmissioni di elicotteri in particolare per evitare la trasmissione di vibrazioni alla fusoliera

Info

Publication number
IT1126962B
IT1126962B IT47998/80A IT4799880A IT1126962B IT 1126962 B IT1126962 B IT 1126962B IT 47998/80 A IT47998/80 A IT 47998/80A IT 4799880 A IT4799880 A IT 4799880A IT 1126962 B IT1126962 B IT 1126962B
Authority
IT
Italy
Prior art keywords
fuselage
vibrations
improvement
avoid
transmission
Prior art date
Application number
IT47998/80A
Other languages
English (en)
Other versions
IT8047998A0 (it
Inventor
Dennis Ray Halwes
Original Assignee
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 Textron Inc filed Critical Textron Inc
Publication of IT8047998A0 publication Critical patent/IT8047998A0/it
Application granted granted Critical
Publication of IT1126962B publication Critical patent/IT1126962B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
IT47998/80A 1979-02-26 1980-02-25 Perfezionamento nelle strutture di montaggio per trasmissioni di elicotteri in particolare per evitare la trasmissione di vibrazioni alla fusoliera IT1126962B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1522979A 1979-02-26 1979-02-26

Publications (2)

Publication Number Publication Date
IT8047998A0 IT8047998A0 (it) 1980-02-25
IT1126962B true IT1126962B (it) 1986-05-21

Family

ID=21770216

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47998/80A IT1126962B (it) 1979-02-26 1980-02-25 Perfezionamento nelle strutture di montaggio per trasmissioni di elicotteri in particolare per evitare la trasmissione di vibrazioni alla fusoliera

Country Status (12)

Country Link
JP (1) JPS55156798A (it)
AR (1) AR226171A1 (it)
AU (1) AU534537B2 (it)
BR (1) BR8001117A (it)
CA (1) CA1142155A (it)
DE (1) DE3006762A1 (it)
ES (1) ES488948A1 (it)
FR (1) FR2449593A1 (it)
GB (1) GB2043573B (it)
IL (1) IL59458A (it)
IT (1) IT1126962B (it)
MX (1) MX6586E (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711845C2 (de) * 1997-03-21 1999-01-14 Eurocopter Deutschland Mechanischer Schwingungstilger
US6328293B1 (en) 1998-09-18 2001-12-11 Lord Corporation Multi-linkage suspension system including outboard isolators
CA2789340C (en) * 2010-02-16 2015-07-07 Bell Helicopter Textron Inc. Variable stiffness liquid inertia vibration eliminator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615657A (en) * 1946-08-28 1952-10-28 Bell Aircraft Corp Helicopter engine-rotor support
US3698663A (en) * 1970-12-07 1972-10-17 Textron Inc Rotary wing pylon mounting system
GB1380710A (en) * 1970-12-29 1975-01-15 Kawasaki Heavy Ind Ltd Rotary wing aircraft
US3845917A (en) * 1971-10-18 1974-11-05 Textron Inc Helicopter vibration isolation
US3857534A (en) * 1972-02-04 1974-12-31 Textron Inc Multi-frequency helicopter vibration isolation
FR2232481B1 (it) * 1973-06-08 1976-05-07 Aerospatiale
US3945628A (en) * 1973-12-26 1976-03-23 Textron Inc. Nodal beam inertial flexure
US3858831A (en) * 1973-12-26 1975-01-07 Textron Inc Nodal beam inertial flexure
US4088042A (en) * 1976-09-07 1978-05-09 The Boeing Company Vibration isolation system
US4111386A (en) * 1976-12-09 1978-09-05 United Technologies Corporation Helicopter rotor and transmission mounting and vibration isolation system

Also Published As

Publication number Publication date
BR8001117A (pt) 1980-10-29
JPH0214240B2 (it) 1990-04-06
GB2043573A (en) 1980-10-08
GB2043573B (en) 1983-03-23
MX6586E (es) 1985-07-26
DE3006762C2 (it) 1988-10-13
CA1142155A (en) 1983-03-01
DE3006762A1 (de) 1980-09-11
IT8047998A0 (it) 1980-02-25
AR226171A1 (es) 1982-06-15
AU534537B2 (en) 1984-02-02
IL59458A (en) 1984-11-30
AU5585280A (en) 1980-09-04
FR2449593B1 (it) 1983-07-18
JPS55156798A (en) 1980-12-06
FR2449593A1 (fr) 1980-09-19
ES488948A1 (es) 1980-09-16

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950224