FR2479134A1 - Dispositif de montage de rotor d'helicoptere et procede pour ameliorer les performances de ce rotor - Google Patents

Dispositif de montage de rotor d'helicoptere et procede pour ameliorer les performances de ce rotor Download PDF

Info

Publication number: FR2479134A1
Authority: FR; France
Prior art keywords: rotor; bearing surface; ring; tail; plane
Prior art date: 1980-03-28
Legal status (The legal status 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 status listed.): Granted

Application number

FR8106278A

Other languages

English (en)

French (fr)

Other versions

FR2479134B1 (es

Inventor

Harold Edminston Lemont

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Textron Inc

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.)

1980-03-28

Filing date

1981-03-30

Publication date

1981-10-02

1981-03-30 Application filed by Textron Inc filed Critical Textron Inc

1981-10-02 Publication of FR2479134A1 publication Critical patent/FR2479134A1/fr

1984-06-01 Application granted granted Critical

1984-06-01 Publication of FR2479134B1 publication Critical patent/FR2479134B1/fr

Status Granted legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B64C2027/8254—Shrouded tail rotors, e.g. "Fenestron" fans

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Turbine Rotor Nozzle Sealing (AREA)

FR8106278A 1980-03-28 1981-03-30 Dispositif de montage de rotor d'helicoptere et procede pour ameliorer les performances de ce rotor Granted FR2479134A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13487180A	1980-03-28	1980-03-28

Publications (2)

Publication Number	Publication Date
FR2479134A1 true FR2479134A1 (fr)	1981-10-02
FR2479134B1 FR2479134B1 (es)	1984-06-01

Family

ID=22465393

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8106278A Granted FR2479134A1 (fr)	1980-03-28	1981-03-30	Dispositif de montage de rotor d'helicoptere et procede pour ameliorer les performances de ce rotor

Country Status (11)

Country	Link
JP (1)	JPS56138099A (es)
AR (1)	AR226884A1 (es)
AU (1)	AU540193B2 (es)
BR (1)	BR8101767A (es)
CA (1)	CA1166228A (es)
DE (1)	DE3111376A1 (es)
ES (1)	ES267982Y (es)
FR (1)	FR2479134A1 (es)
GB (1)	GB2072601B (es)
IL (1)	IL62492A (es)
IT (1)	IT1142349B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5419513A (en) *	1993-05-11	1995-05-30	United Technologies Corporation	Ancillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors
US8882024B1 (en) *	2013-06-24	2014-11-11	Bell Helicopter Textron Inc.	Rotorcraft anti-torque rotor and rudder system
US9067676B1 (en) *	2014-06-19	2015-06-30	Bell Helicopter Textron Inc.	Convertible helicopter ring member
DE202017104316U1 (de) *	2017-07-19	2018-10-24	SBM Development GmbH	Heckrotoranordnung
CN116124407B (zh) *	2023-04-10	2023-06-13	中国空气动力研究与发展中心低速空气动力研究所	获取雷达尾流对直升机尾部件气动特性影响的试验方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3055613A (en) *	1957-12-05	1962-09-25	Bruce G Taylor	Annular winged aircraft with trailing edge wing tab
FR1511006A (fr) *	1966-12-13	1968-01-26	Sud Aviation	Dispositif directionnel et propulsif pour hélicoptère
US3525484A (en) *	1968-06-17	1970-08-25	Leonard E Mueller	Aerodynamic saucer
US3583659A (en) *	1968-04-26	1971-06-08	Soc D Const Et D Exploit De Ma	Rotary-wing aircraft having an auxiliary rotor at its tail
FR2349495A1 (fr) *	1976-04-29	1977-11-25	Baudchon Christian	Aile circulaire
FR2407131A1 (fr) *	1977-10-31	1979-05-25	Tech Geraete Entwicklung Ges	Aerodyne
US4196877A (en) *	1977-06-15	1980-04-08	Mutrux Jean L	Aircraft

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US29023A (en) *		1860-07-03		Cornelius j
US2123657A (en) *	1937-07-23	1938-07-12	Max M Munk	Thrust-relieved propeller
US2609053A (en) *	1946-10-31	1952-09-02	United Aircraft Corp	Shrouded tail rotor
NL110393C (es) *	1955-11-29	1965-01-15	Bertin & Cie
DE1481629A1 (de) *	1966-06-14	1969-03-20	Piasecki Aircraft Corp	Vorrichtung zur Seitensteuerung von Flugzeugen
US4387867A (en) *	1977-10-31	1983-06-14	Technische Gerate-U Entwicklungsgesellschaft M.B.H.	Flying craft
AT353105B (de) *	1977-10-31	1979-10-25	Tech Geraete Entwicklung Ges	Flugkoerper

1981
- 1981-02-16 AU AU67327/81A patent/AU540193B2/en not_active Ceased
- 1981-02-17 CA CA000371055A patent/CA1166228A/en not_active Expired
- 1981-02-25 GB GB8105907A patent/GB2072601B/en not_active Expired
- 1981-03-13 IT IT48024/81A patent/IT1142349B/it active
- 1981-03-13 JP JP3544481A patent/JPS56138099A/ja active Granted
- 1981-03-23 DE DE19813111376 patent/DE3111376A1/de not_active Withdrawn
- 1981-03-24 AR AR284719A patent/AR226884A1/es active
- 1981-03-25 BR BR8101767A patent/BR8101767A/pt unknown
- 1981-03-26 IL IL62492A patent/IL62492A/xx unknown
- 1981-03-27 ES ES1981267982U patent/ES267982Y/es not_active Expired
- 1981-03-30 FR FR8106278A patent/FR2479134A1/fr active Granted

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3055613A (en) *	1957-12-05	1962-09-25	Bruce G Taylor	Annular winged aircraft with trailing edge wing tab
FR1511006A (fr) *	1966-12-13	1968-01-26	Sud Aviation	Dispositif directionnel et propulsif pour hélicoptère
US3583659A (en) *	1968-04-26	1971-06-08	Soc D Const Et D Exploit De Ma	Rotary-wing aircraft having an auxiliary rotor at its tail
US3525484A (en) *	1968-06-17	1970-08-25	Leonard E Mueller	Aerodynamic saucer
FR2349495A1 (fr) *	1976-04-29	1977-11-25	Baudchon Christian	Aile circulaire
US4196877A (en) *	1977-06-15	1980-04-08	Mutrux Jean L	Aircraft
FR2407131A1 (fr) *	1977-10-31	1979-05-25	Tech Geraete Entwicklung Ges	Aerodyne

Also Published As

Publication number	Publication date
AU6732781A (en)	1981-10-01
JPS56138099A (en)	1981-10-28
AR226884A1 (es)	1982-08-31
CA1166228A (en)	1984-04-24
ES267982U (es)	1983-05-01
IT1142349B (it)	1986-10-08
FR2479134B1 (es)	1984-06-01
DE3111376A1 (de)	1982-03-11
AU540193B2 (en)	1984-11-08
JPH0247400B2 (es)	1990-10-19
BR8101767A (pt)	1981-09-29
GB2072601B (en)	1984-04-18
GB2072601A (en)	1981-10-07
ES267982Y (es)	1983-11-16
IT8148024A0 (it)	1981-03-13
IL62492A (en)	1985-04-30

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Legal Events

Date	Code	Title	Description
1996-03-22	ST	Notification of lapse