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FR2348105A1 - Pale pour rotor d'helicoptere - Google Patents

Pale pour rotor d'helicoptere

Info

Publication number
FR2348105A1
FR2348105A1 FR7708501A FR7708501A FR2348105A1 FR 2348105 A1 FR2348105 A1 FR 2348105A1 FR 7708501 A FR7708501 A FR 7708501A FR 7708501 A FR7708501 A FR 7708501A FR 2348105 A1 FR2348105 A1 FR 2348105A1
Authority
FR
France
Prior art keywords
blade
helicopter rotor
helicopter
rotor
Prior art date
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.)
Pending
Application number
FR7708501A
Other languages
English (en)
Inventor
Timothy Albert Krauss
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.)
RTX Corp
Original Assignee
United Technologies Corp
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.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of FR2348105A1 publication Critical patent/FR2348105A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/02—Formulas of curves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
FR7708501A 1976-04-12 1977-03-22 Pale pour rotor d'helicoptere Pending FR2348105A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/675,664 US4028003A (en) 1976-04-12 1976-04-12 Torsionally compliant helicopter rotor blade with improved stability and performance characteristics

Publications (1)

Publication Number Publication Date
FR2348105A1 true FR2348105A1 (fr) 1977-11-10

Family

ID=24711483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708501A Pending FR2348105A1 (fr) 1976-04-12 1977-03-22 Pale pour rotor d'helicoptere

Country Status (9)

Country Link
US (1) US4028003A (fr)
JP (1) JPS52124697A (fr)
BR (1) BR7702255A (fr)
CA (1) CA1078357A (fr)
DE (1) DE2711507A1 (fr)
FR (1) FR2348105A1 (fr)
GB (1) GB1527835A (fr)
IL (1) IL51704A (fr)
IT (1) IT1076141B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397328A1 (fr) * 1977-07-13 1979-02-09 United Technologies Corp Pales et rotors d'helicopteres ameliores
FR2413264A1 (fr) * 1978-01-03 1979-07-27 Secr Defence Brit Voilure portante pour aerodyne et aerodyne equipe d'une telle voilure

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES525921A0 (es) * 1983-09-26 1984-08-01 Pilar Banolas De Ayala M Perfeccionamientos en helices de sustentacion para aeronaves
US4655685A (en) * 1985-12-16 1987-04-07 United Technologies Corporation Helicopter main rotor blade having a short span slot near the tip end
US4792280A (en) * 1987-04-27 1988-12-20 United Technologies Corporation Helicopter rotor flexbeam
US5137228A (en) * 1990-05-07 1992-08-11 Vaughen Jack F Rotary wing with torsionally flexible blades
US5597138A (en) * 1991-09-30 1997-01-28 Arlton; Paul E. Yaw control and stabilization system for helicopters
JPH09254894A (ja) * 1996-03-26 1997-09-30 Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk フラップ付ヘリコプタブレードおよびこれを用いたロータ制御装置
US5749540A (en) * 1996-07-26 1998-05-12 Arlton; Paul E. System for controlling and automatically stabilizing the rotational motion of a rotary wing aircraft
US6059532A (en) * 1997-10-24 2000-05-09 Alliedsignal Inc. Axial flow turbo-machine fan blade having shifted tip center of gravity axis
PL2123557T3 (pl) * 2008-05-22 2011-10-31 Agustawestland Spa Łopatka wirnika ogonowego równoważącego moment obrotowy śmigłowca

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB613288A (en) * 1945-06-21 1948-11-24 Rotary Res Corp Rotor blade
FR2153253A1 (fr) * 1971-09-22 1973-05-04 United Aircraft Corp
FR2231565A1 (fr) * 1973-06-04 1974-12-27 United Aircraft Corp

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754918A (en) * 1950-09-21 1956-07-17 United Aircraft Corp Weighted blade for rotary wing aircraft
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
US3232349A (en) * 1964-12-02 1966-02-01 Enstrom Corp Rotor system utilizing centrifugal deflection of non-radial blades
US3310117A (en) * 1966-04-08 1967-03-21 Parsons Corp Helicopter spar having integral mass and stiffness control provisions
US3484174A (en) * 1968-04-08 1969-12-16 Kaman Corp Rotary wing system
GB1214858A (en) * 1968-05-20 1970-12-09 Westland Aircraft Ltd Improvements in or relating to the construction of rotor blades for rotary wing aircraft
US3528753A (en) * 1968-06-14 1970-09-15 United Aircraft Corp Helicopter blade with non-homogeneous structural spar
GB1262704A (en) * 1968-08-10 1972-02-02 Messerschmitt Boelkow Blohm Helicopter rotor blade
US3561702A (en) * 1968-11-01 1971-02-09 Edward B Jones Swept wing variable pitch sailplane
FR2041747A1 (fr) * 1969-05-20 1971-02-05 Sud Aviation
US3926536A (en) * 1970-10-15 1975-12-16 Westland Aircraft Ltd Semi-rigid rotor systems for rotary wing aircraft
US3728045A (en) * 1971-09-22 1973-04-17 United Aircraft Corp Helicopter blade
US3822105A (en) * 1971-09-22 1974-07-02 United Aircraft Corp Helicopter blade
US3721507A (en) * 1971-09-22 1973-03-20 United Aircraft Corp Blade for high speed helicopter
US3874820A (en) * 1974-04-08 1975-04-01 United Aircraft Corp Hingeless in-plane rotor blade design
US3999886A (en) * 1974-10-10 1976-12-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Hingeless helicopter rotor with improved stability

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB613288A (en) * 1945-06-21 1948-11-24 Rotary Res Corp Rotor blade
FR2153253A1 (fr) * 1971-09-22 1973-05-04 United Aircraft Corp
FR2231565A1 (fr) * 1973-06-04 1974-12-27 United Aircraft Corp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397328A1 (fr) * 1977-07-13 1979-02-09 United Technologies Corp Pales et rotors d'helicopteres ameliores
FR2413264A1 (fr) * 1978-01-03 1979-07-27 Secr Defence Brit Voilure portante pour aerodyne et aerodyne equipe d'une telle voilure

Also Published As

Publication number Publication date
DE2711507C2 (fr) 1987-07-30
CA1078357A (fr) 1980-05-27
BR7702255A (pt) 1978-01-17
GB1527835A (en) 1978-10-11
DE2711507A1 (de) 1977-10-20
JPS52124697A (en) 1977-10-19
IT1076141B (it) 1985-04-24
US4028003A (en) 1977-06-07
IL51704A (en) 1981-07-31

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