IT965293B - Perfezionamento nelle disposizioni di isolamento di vibrazioni indotte dal rotore in elicotteri - Google Patents

Perfezionamento nelle disposizioni di isolamento di vibrazioni indotte dal rotore in elicotteri

Info

Publication number: IT965293B
Authority: IT; Italy
Prior art keywords: helicopters; improvement; induced vibrations; rotor induced; insulation arrangements
Prior art date: 1971-10-18

Application number

IT52657/72A

Other languages

English (en)

Italian (it)

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.)

1971-10-18

Filing date

1972-09-09

Publication date

1974-01-31

1972-09-09 Application filed by Textron Inc filed Critical Textron Inc

1974-01-31 Application granted granted Critical

1974-01-31 Publication of IT965293B publication Critical patent/IT965293B/it

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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/005—Vibration damping devices using suspended masses

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Vibration Prevention Devices (AREA)
Catching Or Destruction (AREA)

IT52657/72A 1971-10-18 1972-09-09 Perfezionamento nelle disposizioni di isolamento di vibrazioni indotte dal rotore in elicotteri IT965293B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US18994571A	1971-10-18	1971-10-18
US22344272A	1972-02-04	1972-02-04

Publications (1)

Publication Number	Publication Date
IT965293B true IT965293B (it)	1974-01-31

Family

ID=26885636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT52657/72A IT965293B (it)	1971-10-18	1972-09-09	Perfezionamento nelle disposizioni di isolamento di vibrazioni indotte dal rotore in elicotteri

Country Status (14)

Country	Link
JP (1)	JPS5637120B2 (nl)
AR (1)	AR195795A1 (nl)
AU (1)	AU465345B2 (nl)
BE (1)	BE790113A (nl)
CH (1)	CH549497A (nl)
DE (1)	DE2243337C3 (nl)
FR (1)	FR2156749B1 (nl)
GB (1)	GB1368187A (nl)
IL (1)	IL40137A (nl)
IT (1)	IT965293B (nl)
LU (1)	LU66040A1 (nl)
NL (1)	NL177992C (nl)
NO (1)	NO138439C (nl)
TR (1)	TR17775A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2232481B1 (nl) *	1973-06-08	1976-05-07	Aerospatiale
GB1498222A (en) *	1974-06-03	1978-01-18	Textron Inc	Vibration isolation in helicopters
US4140028A (en) *	1977-09-13	1979-02-20	The Boeing Company	Vibration isolation system
US5118051A (en) *	1989-04-18	1992-06-02	United Technologies Corporation	Roll vibration absorber

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3514054A (en) *	1967-06-05	1970-05-26	United Aircraft Corp	Vibration isolation system

0
- BE BE790113D patent/BE790113A/xx unknown
1972
- 1972-08-09 NO NO2830/72A patent/NO138439C/no unknown
- 1972-08-15 IL IL40137A patent/IL40137A/xx unknown
- 1972-08-23 AU AU45859/72A patent/AU465345B2/en not_active Expired
- 1972-08-29 AR AR243804A patent/AR195795A1/es active
- 1972-08-31 GB GB4042272A patent/GB1368187A/en not_active Expired
- 1972-09-02 DE DE2243337A patent/DE2243337C3/de not_active Expired
- 1972-09-08 LU LU66040A patent/LU66040A1/xx unknown
- 1972-09-09 IT IT52657/72A patent/IT965293B/it active
- 1972-09-11 CH CH1336372A patent/CH549497A/it not_active IP Right Cessation
- 1972-09-21 JP JP9417672A patent/JPS5637120B2/ja not_active Expired
- 1972-09-29 NL NLAANVRAGE7213233,A patent/NL177992C/nl not_active IP Right Cessation
- 1972-10-17 FR FR7236696A patent/FR2156749B1/fr not_active Expired
- 1972-10-17 TR TR17775A patent/TR17775A/xx unknown

Also Published As

Publication number	Publication date
DE2243337A1 (de)	1973-04-26
NO138439B (no)	1978-05-29
IL40137A (en)	1974-11-29
AU4585972A (en)	1974-02-28
FR2156749B1 (nl)	1976-08-20
JPS5637120B2 (nl)	1981-08-28
JPS4849198A (nl)	1973-07-11
NL177992B (nl)	1985-08-01
TR17775A (tr)	1976-09-01
NL177992C (nl)	1986-01-02
NO138439C (no)	1978-09-06
IL40137A0 (en)	1972-11-28
AU465345B2 (en)	1975-09-25
NL7213233A (nl)	1973-04-24
FR2156749A1 (nl)	1973-06-01
BE790113A (fr)	1973-04-13
DE2243337B2 (de)	1980-12-04
GB1368187A (en)	1974-09-25
CH549497A (it)	1974-05-31
AR195795A1 (es)	1973-11-09
DE2243337C3 (de)	1981-08-27
LU66040A1 (nl)	1973-01-17

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