AR226884A1 - STRUCTURE TO IMPROVE THE PERFORMANCE OF A HELICOPTER MOTOR - Google Patents

STRUCTURE TO IMPROVE THE PERFORMANCE OF A HELICOPTER MOTOR

Info

Publication number: AR226884A1
Authority: AR; Argentina
Prior art keywords: performance; improve; helicopter motor; helicopter; motor
Prior art date: 1980-03-28

Application number

AR284719A

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.)

1980-03-28

Filing date

1981-03-24

Publication date

1982-08-31

1981-03-24 Application filed by Textron Inc filed Critical Textron Inc

1982-08-31 Application granted granted Critical

1982-08-31 Publication of AR226884A1 publication Critical patent/AR226884A1/en

Links

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)

AR284719A 1980-03-28 1981-03-24 STRUCTURE TO IMPROVE THE PERFORMANCE OF A HELICOPTER MOTOR AR226884A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
AR226884A1 true AR226884A1 (en)	1982-08-31

Family

ID=22465393

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR284719A AR226884A1 (en)	1980-03-28	1981-03-24	STRUCTURE TO IMPROVE THE PERFORMANCE OF A HELICOPTER MOTOR

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

Family Cites Families (14)

* 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
AT353105B (en) *	1977-10-31	1979-10-25	Tech Geraete Entwicklung Ges	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

Also Published As

Publication number	Publication date
DE3111376A1 (en)	1982-03-11
JPS56138099A (en)	1981-10-28
GB2072601B (en)	1984-04-18
IT1142349B (en)	1986-10-08
ES267982Y (en)	1983-11-16
IL62492A (en)	1985-04-30
BR8101767A (en)	1981-09-29
AU540193B2 (en)	1984-11-08
IT8148024A0 (en)	1981-03-13
FR2479134A1 (en)	1981-10-02
ES267982U (en)	1983-05-01
CA1166228A (en)	1984-04-24
GB2072601A (en)	1981-10-07
AU6732781A (en)	1981-10-01
JPH0247400B2 (en)	1990-10-19
FR2479134B1 (en)	1984-06-01

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