IT8047998A0 - 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: IT8047998A0
Authority: IT; Italy
Prior art keywords: fuselage; vibrations; improvement; avoid; transmission
Prior art date: 1979-02-26

Application number

IT8047998A

Other languages

English (en)

Other versions

IT1126962B (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.)

1979-02-26

Filing date

1980-02-25

Publication date

1980-02-25

1980-02-25 Application filed by Textron Inc filed Critical Textron Inc

1980-02-25 Publication of IT8047998A0 publication Critical patent/IT8047998A0/it

1986-05-21 Application granted granted Critical

1986-05-21 Publication of IT1126962B publication Critical patent/IT1126962B/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

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 true IT8047998A0 (it)	1980-02-25
IT1126962B 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
US8684340B2 (en)	2010-02-16	2014-04-01	Textron Innovations 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

1980
- 1980-02-22 DE DE19803006762 patent/DE3006762A1/de active Granted
- 1980-02-22 GB GB8005965A patent/GB2043573B/en not_active Expired
- 1980-02-24 IL IL59458A patent/IL59458A/xx not_active IP Right Cessation
- 1980-02-25 MX MX808667U patent/MX6586E/es unknown
- 1980-02-25 AU AU55852/80A patent/AU534537B2/en not_active Ceased
- 1980-02-25 IT IT47998/80A patent/IT1126962B/it active
- 1980-02-25 AR AR280084A patent/AR226171A1/es active
- 1980-02-25 CA CA000346356A patent/CA1142155A/en not_active Expired
- 1980-02-26 BR BR8001117A patent/BR8001117A/pt unknown
- 1980-02-26 ES ES488948A patent/ES488948A1/es not_active Expired
- 1980-02-26 JP JP2235280A patent/JPS55156798A/ja active Granted
- 1980-02-26 FR FR8004158A patent/FR2449593A1/fr active Granted

Also Published As

Publication number	Publication date
AU534537B2 (en)	1984-02-02
AR226171A1 (es)	1982-06-15
FR2449593A1 (fr)	1980-09-19
IT1126962B (it)	1986-05-21
JPH0214240B2 (it)	1990-04-06
GB2043573B (en)	1983-03-23
GB2043573A (en)	1980-10-08
CA1142155A (en)	1983-03-01
DE3006762C2 (it)	1988-10-13
DE3006762A1 (de)	1980-09-11
ES488948A1 (es)	1980-09-16
MX6586E (es)	1985-07-26
IL59458A (en)	1984-11-30
FR2449593B1 (it)	1983-07-18
JPS55156798A (en)	1980-12-06
AU5585280A (en)	1980-09-04
BR8001117A (pt)	1980-10-29

Similar Documents

Publication	Publication Date	Title
IT1147038B (it)	1986-11-19	Sistema per eliminare la trasmissione di vibrazioni fra due corpi
GB2111130B (en)	1984-10-03	Blade to blade vibration damper
IT8049169A0 (it)	1980-07-04	Perfezionamento nelle ruote dentate con anelli di smorzamento delle vibrazioni in particolare per dispositivi di trasmissione di coppia
DE3068356D1 (en)	1984-08-02	Vibration isolation structure
GB2014099B (en)	1982-06-03	Damping vibrations in helicopter rotors
DE3069377D1 (en)	1984-11-08	Airplane main landing gear assembly
MX156155A (es)	1988-07-19	Procedimiento para preparar copoliesteres formadores de fibras
MX156154A (es)	1988-07-19	Procedimiento para preparar copoliesteres formadores de fibras
IT1098597B (it)	1985-09-07	Apparecchiatura per l'isolamento da vibrazioni,particolarmente per isolare la fusoliera di elicotteri
BE861601A (fr)	1978-03-31	Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrations
IT7967399A0 (it)	1979-02-22	Di fac simile pparecchiatura per la trasmissione
GB2030949B (en)	1982-07-28	Vibration isolation in helicopters
BE878427A (nl)	1980-02-25	Draaimoment-overbrengorgaan
FR2455226B1 (fr)	1985-11-08	Transmission hydrostatique
IT1126962B (it)	1986-05-21	Perfezionamento nelle strutture di montaggio per trasmissioni di elicotteri in particolare per evitare la trasmissione di vibrazioni alla fusoliera
IT1087568B (it)	1985-06-04	Perfezionamenti apportati al comando di trasmissioni
SE8005285L (sv)	1981-01-26	Transmission for vindmotorer
DE3066046D1 (en)	1984-02-09	Composite antivibration structure
IT8048034A0 (it)	1980-02-28	Sistema di montaggio del pilone del rotore di elicotteri per evitare la trasmissione di vibrazioni alla fusoliera
AR226884A1 (es)	1982-08-31	Estructura para mejorar el rendimiento de un motor de helicoptero
GB2052655B (en)	1982-12-15	Applying ultrasonic vibrations to friction member
ES517963A0 (es)	1983-09-16	Disposicion para amortiguar la transmision de vibraciones.
IT1140802B (it)	1986-10-10	Perfezionamenti apportati alla elettroprecipitazione
IT1132387B (it)	1986-07-02	Processo per preparare alimenti simili alla maionese
JPS54145502A (en)	1979-11-13	Laminate structure having superior vibration attenuating characteristic

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19950224