JPS56138099A - Method and structure for improving performance of helicopter rotor - Google Patents

Method and structure for improving performance of helicopter rotor

Info

Publication number: JPS56138099A
Authority: JP; Japan
Prior art keywords: improving performance; helicopter rotor; helicopter; rotor; improving
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

JP3544481A

Other languages

Japanese (ja)

Other versions

JPH0247400B2 (en

Inventor

Edominsutan Remanto Hararudo

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

1981-03-13

Publication date

1981-10-28

1981-03-13 Application filed by Textron Inc filed Critical Textron Inc

1981-10-28 Publication of JPS56138099A publication Critical patent/JPS56138099A/en

1990-10-19 Publication of JPH0247400B2 publication Critical patent/JPH0247400B2/ja

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)

JP3544481A 1980-03-28 1981-03-13 Method and structure for improving performance of helicopter rotor Granted JPS56138099A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
JPS56138099A true JPS56138099A (en)	1981-10-28
JPH0247400B2 JPH0247400B2 (en)	1990-10-19

Family

ID=22465393

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3544481A Granted JPS56138099A (en)	1980-03-28	1981-03-13	Method and structure for improving performance of helicopter rotor

Country Status (11)

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

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 (en) *	2017-07-19	2018-10-24	SBM Development GmbH	Tail rotor assembly
CN116124407B (en) *	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	Test method for obtaining influence of radar wake on aerodynamic characteristics of helicopter tail piece

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5475795A (en) *	1977-10-31	1979-06-16	Tech Geraete Entwicklung Ges	Discoid flying machine

Family Cites Families (13)

* 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 (en) *	1955-11-29	1965-01-15	Bertin & Cie
US3055613A (en) *	1957-12-05	1962-09-25	Bruce G Taylor	Annular winged aircraft with trailing edge wing tab
DE1481629A1 (en) *	1966-06-14	1969-03-20	Piasecki Aircraft Corp	Device for lateral steering of aircraft
FR1511006A (en) *	1966-12-13	1968-01-26	Sud Aviation	Directional and propulsion device for helicopter
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 (en) *	1976-04-29	1977-11-25	Baudchon Christian	Vtol aircraft with circular wing - forces air radially outwards over ring of aerofoil section
US4196877A (en) *	1977-06-15	1980-04-08	Mutrux Jean L	Aircraft
CH634516A5 (en) *	1977-10-31	1983-02-15	Tech Geraete Entwicklung Ges	MISSILE.
US4387867A (en) *	1977-10-31	1983-06-14	Technische Gerate-U Entwicklungsgesellschaft M.B.H.	Flying craft

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/en active
- 1981-03-13 JP JP3544481A patent/JPS56138099A/en active Granted
- 1981-03-23 DE DE19813111376 patent/DE3111376A1/en not_active Withdrawn
- 1981-03-24 AR AR284719A patent/AR226884A1/en active
- 1981-03-25 BR BR8101767A patent/BR8101767A/en unknown
- 1981-03-26 IL IL62492A patent/IL62492A/en unknown
- 1981-03-27 ES ES1981267982U patent/ES267982Y/en not_active Expired
- 1981-03-30 FR FR8106278A patent/FR2479134A1/en active Granted

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5475795A (en) *	1977-10-31	1979-06-16	Tech Geraete Entwicklung Ges	Discoid flying machine

Also Published As

Publication number	Publication date
FR2479134B1 (en)	1984-06-01
IT1142349B (en)	1986-10-08
FR2479134A1 (en)	1981-10-02
GB2072601B (en)	1984-04-18
IL62492A (en)	1985-04-30
GB2072601A (en)	1981-10-07
CA1166228A (en)	1984-04-24
AU540193B2 (en)	1984-11-08
IT8148024A0 (en)	1981-03-13
BR8101767A (en)	1981-09-29
AR226884A1 (en)	1982-08-31
AU6732781A (en)	1981-10-01
ES267982U (en)	1983-05-01
JPH0247400B2 (en)	1990-10-19
DE3111376A1 (en)	1982-03-11
ES267982Y (en)	1983-11-16

Publication	Publication Date	Title
DE3376409D1 (en)	1988-06-01	Helicopter rotor system and method
DE3271395D1 (en)	1986-07-03	Method of balancing pivotless rotors, and device therefor
PL230237A1 (en)	1981-11-13	Method of obtaining mucopolysaccharides
GB2026416B (en)	1982-12-22	Multi-blade propellers and method of making same
JPS5784298A (en)	1982-05-26	Section of blade for rotor for aircraft
DE3174020D1 (en)	1986-04-10	A rotor assembly and methods of securing a rotor blade therewithin and removing a rotor blade therefrom
IL72327A0 (en)	1984-11-30	Magnetic rotor and method of its assembly
DE3379242D1 (en)	1989-03-30	Method and apparatus for damping aircraft rotor drive
EP0034210A3 (en)	1982-01-27	Helicopter rotor
EG15446A (en)	1986-06-30	Method of preparation 2-amino-3-cabethoxyamino-6-(fluro-benzylamino)-pyridine-maleate
GB8306343D0 (en)	1983-04-13	Helicopter rotor
DE3566622D1 (en)	1989-01-12	Centrifuge rotor and method of assembly
JPS5787797A (en)	1982-06-01	Rotor for helicopter
GB8332230D0 (en)	1984-01-11	Helicopter rotor
AU556323B2 (en)	1986-10-30	Offshore structure and method of construction
JPS56138099A (en)	1981-10-28	Method and structure for improving performance of helicopter rotor
GB8306344D0 (en)	1983-04-13	Helicopter rotor
JPS573046A (en)	1982-01-08	Analysing rotor and method of use
GB2025151B (en)	1983-03-30	Rotor assembly and method of manufacture therefor
GB2122691B (en)	1985-05-01	Mounting of aerofoil blades
DE3269603D1 (en)	1986-04-10	Rotor and method of making same
DE3367371D1 (en)	1986-12-11	Helicopter rotors
JPS54119601A (en)	1979-09-17	Method of rotor balancing
PL255832A1 (en)	1987-02-09	Method of obtaining mucopolysaccharides
JPS5784900A (en)	1982-05-27	Method of cutting envelope