AR226171A1 - IMPROVEMENTS IN A HELICOPTER TRANSMISSION, INTENDED TO ISOLATE THE FUSELAGE OF THE VIBRATIONS INDUCED BY THE ROTOR - Google Patents

IMPROVEMENTS IN A HELICOPTER TRANSMISSION, INTENDED TO ISOLATE THE FUSELAGE OF THE VIBRATIONS INDUCED BY THE ROTOR

Info

Publication number: AR226171A1
Authority: AR; Argentina
Prior art keywords: fuselage; isolate; rotor; intended; vibrations induced
Prior art date: 1979-02-26

Application number

AR280084A

Other languages

Spanish (es)

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

1982-06-15

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

1982-06-15 Application granted granted Critical

1982-06-15 Publication of AR226171A1 publication Critical patent/AR226171A1/en

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)

AR280084A 1979-02-26 1980-02-25 IMPROVEMENTS IN A HELICOPTER TRANSMISSION, INTENDED TO ISOLATE THE FUSELAGE OF THE VIBRATIONS INDUCED BY THE ROTOR AR226171A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
AR226171A1 true AR226171A1 (en)	1982-06-15

Family

ID=21770216

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR280084A AR226171A1 (en)	1979-02-26	1980-02-25	IMPROVEMENTS IN A HELICOPTER TRANSMISSION, INTENDED TO ISOLATE THE FUSELAGE OF THE VIBRATIONS INDUCED BY THE ROTOR

Country Status (12)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19711845C2 (en) *	1997-03-21	1999-01-14	Eurocopter Deutschland	Mechanical vibration damper
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 (en) *	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 GB GB8005965A patent/GB2043573B/en not_active Expired
- 1980-02-22 DE DE19803006762 patent/DE3006762A1/en active Granted
- 1980-02-24 IL IL59458A patent/IL59458A/en not_active IP Right Cessation
- 1980-02-25 AU AU55852/80A patent/AU534537B2/en not_active Ceased
- 1980-02-25 MX MX808667U patent/MX6586E/en unknown
- 1980-02-25 CA CA000346356A patent/CA1142155A/en not_active Expired
- 1980-02-25 AR AR280084A patent/AR226171A1/en active
- 1980-02-25 IT IT47998/80A patent/IT1126962B/en active
- 1980-02-26 BR BR8001117A patent/BR8001117A/en unknown
- 1980-02-26 ES ES488948A patent/ES488948A1/en not_active Expired
- 1980-02-26 FR FR8004158A patent/FR2449593A1/en active Granted
- 1980-02-26 JP JP2235280A patent/JPS55156798A/en active Granted

Also Published As

Publication number	Publication date
FR2449593B1 (en)	1983-07-18
DE3006762C2 (en)	1988-10-13
ES488948A1 (en)	1980-09-16
BR8001117A (en)	1980-10-29
IL59458A (en)	1984-11-30
DE3006762A1 (en)	1980-09-11
AU5585280A (en)	1980-09-04
AU534537B2 (en)	1984-02-02
FR2449593A1 (en)	1980-09-19
MX6586E (en)	1985-07-26
GB2043573A (en)	1980-10-08
IT8047998A0 (en)	1980-02-25
JPS55156798A (en)	1980-12-06
IT1126962B (en)	1986-05-21
GB2043573B (en)	1983-03-23
JPH0214240B2 (en)	1990-04-06
CA1142155A (en)	1983-03-01

Similar Documents

Publication	Publication Date	Title
MX6195E (en)	1984-12-13	FORK IMPROVEMENTS FOR COUPLING THE HELICOPTER BLADES
DK547677A (en)	1978-06-10	VIBRATION REDUCING TRANSMISSION MECHANISM TO A HELICOPTER ROTOR
IT1146923B (en)	1986-11-19	MULTI-FUNCTION SERVO-ACTUATOR FOR AIRCRAFTS, IN PARTICULAR FOR HELICOPTERS
NO792286L (en)	1980-01-15	HELICOPTER ROTATOR WITH EASY REPLACEABLE EXCHANGE SHOCK
FR2472700B1 (en)	1986-01-24	OVER-SPEED TRANSMISSION
ES501004A0 (en)	1982-06-01	APPARATUS TO ROTATE THE CANETES OF A RECREATIONAL MACHINE OPERATED BY ONE OR MORE MONE-DAS AT A SPEED.
BR7903781A (en)	1980-02-12	HELICOPTER ROTOR
AR222190A1 (en)	1981-04-30	A DEVICE TO REDUCE VIBRATIONS IN THE BUCKET OF A HELICOPTER ROTOR
NO792285L (en)	1980-01-15	DEVICE BY HELICOPTER.
BR7707102A (en)	1979-05-22	DRIVING BY PARALLEL TRANSMISSION AXES
NO145830C (en)	1982-06-09	DEVICE BY HELICOPTER ROTOR
DK132381A (en)	1981-09-27	GEARBOX WITH MANY SPEED STEPS
IT7831105A0 (en)	1978-12-21	JOINTLESS ROTOR FOR ROTARY-WING AIRCRAFT.
AR226171A1 (en)	1982-06-15	IMPROVEMENTS IN A HELICOPTER TRANSMISSION, INTENDED TO ISOLATE THE FUSELAGE OF THE VIBRATIONS INDUCED BY THE ROTOR
BR7700569A (en)	1977-10-18	MULTIPLE SPEED TRANSMISSION
ES486881A0 (en)	1980-12-01	TRANSMISSION FOR MULTIPLE SPEED BICYCLES.
BR8008972A (en)	1981-10-20	DRIVING TRANSMISSION MEANS
ES267982Y (en)	1983-11-16	PROCEDURE TO IMPROVE THE ROTOR BEHAVIOR OF A HELICOPTER AND STRUCTURE TO IMPROVE THE ROTOR BEHAVIOR.
AU528903B2 (en)	1983-05-19	Helicopter rotor elastomeric bearings
AR221878A1 (en)	1981-03-31	TRANSMISSION CASE WITH INTERCHANGEABLE GEARS, TO VARY THE NUMBER OF SPEED TRANSMISSION RELATIONS WITHIN THE CASE
IT8048034A0 (en)	1980-02-28	HELICOPTER ROTOR PYLON MOUNTING SYSTEM TO AVOID TRANSMISSION OF VIBRATIONS TO THE FUSELAGE
ES244859Y (en)	1980-05-16	TOY HELICOPTER
ES210185Y (en)	1976-09-16	FLYING HELICOPTER POWERED BY ROPE DEVELOPMENT.
ES245756Y (en)	1980-07-01	AIRCRAFT TAKEOFF PLATFORM, TOY
AU486617B2 (en)	1977-07-14	Helicopter with opposite rotating torque cancelling horizontal propeller