DE2552123A1 - Hubschrauberrotor mit trimmstreifen zum ausgleichen der dynamischen ungleichheit des blattverstellmomentes sowie verfahren zum ausgleichen derselben - Google Patents

Hubschrauberrotor mit trimmstreifen zum ausgleichen der dynamischen ungleichheit des blattverstellmomentes sowie verfahren zum ausgleichen derselben

Info

Publication number
DE2552123A1
DE2552123A1 DE19752552123 DE2552123A DE2552123A1 DE 2552123 A1 DE2552123 A1 DE 2552123A1 DE 19752552123 DE19752552123 DE 19752552123 DE 2552123 A DE2552123 A DE 2552123A DE 2552123 A1 DE2552123 A1 DE 2552123A1
Authority
DE
Germany
Prior art keywords
blade
rotor blade
rotor
wedge
inequality
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.)
Withdrawn
Application number
DE19752552123
Other languages
German (de)
English (en)
Inventor
Charles Galli
Robert Zincone
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 DE2552123A1 publication Critical patent/DE2552123A1/de
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/48—Root attachment to rotor head
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/14—Determining imbalance
    • G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/30—Compensating imbalance
    • G01M1/36—Compensating imbalance by adjusting position of masses built-in the body to be tested
    • 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
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE19752552123 1974-12-18 1975-11-20 Hubschrauberrotor mit trimmstreifen zum ausgleichen der dynamischen ungleichheit des blattverstellmomentes sowie verfahren zum ausgleichen derselben Withdrawn DE2552123A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/533,916 US3952601A (en) 1974-12-18 1974-12-18 Helicopter rotor blade balancing method

Publications (1)

Publication Number Publication Date
DE2552123A1 true DE2552123A1 (de) 1976-06-24

Family

ID=24127963

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752552123 Withdrawn DE2552123A1 (de) 1974-12-18 1975-11-20 Hubschrauberrotor mit trimmstreifen zum ausgleichen der dynamischen ungleichheit des blattverstellmomentes sowie verfahren zum ausgleichen derselben

Country Status (7)

Country Link
US (1) US3952601A (enExample)
JP (1) JPS5189696A (enExample)
CA (1) CA1020927A (enExample)
DE (1) DE2552123A1 (enExample)
FR (1) FR2294909A1 (enExample)
GB (1) GB1521530A (enExample)
IT (1) IT1050762B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057363A (en) * 1975-11-20 1977-11-08 United Technologies Corporation Extended arm bifilar and method to eliminate second order vibration excitation
US4789305A (en) * 1985-04-26 1988-12-06 Vaughen Jack F Self-feathering rotary wing
JPH0753653Y2 (ja) * 1991-10-17 1995-12-13 ケイエスケイ株式会社 野球用グラブの芯材並びにそれを用いた野球用グラブ
US5475622A (en) * 1994-08-31 1995-12-12 United Technologies Corp. Method and apparatus for balancing helicopter rotor blades
FR2784351B1 (fr) * 1998-10-12 2000-12-08 Eurocopter France Dispositif et procede pour reduire les vibrations engendrees sur la structure d'un aeronef a voilure tournante, notamment un helicoptere
US6322324B1 (en) 2000-03-03 2001-11-27 The Boeing Company Helicopter in-flight rotor tracking system, method, and smart actuator therefor
RU2194959C1 (ru) * 2001-08-24 2002-12-20 Открытое акционерное общество "Камов" Способ определения дисбаланса несущих винтов вертолета
RU2247344C1 (ru) * 2003-10-29 2005-02-27 Открытое акционерное общество "Камов" Способ определения дисбаланса несущих винтов вертолета
DE102004014992A1 (de) * 2004-03-26 2005-10-13 Hofmann Mess- Und Auswuchttechnik Gmbh & Co. Kg Auswuchtvorrichtung zur Kompensation der Unwucht von Rotoren von Windkraftanlagen
US8192162B2 (en) * 2008-07-29 2012-06-05 Loftus Robert T Field installable and removable helicopter rotor blade vibration and blade tracking device
US9440737B1 (en) 2012-05-11 2016-09-13 The Boeing Company Apparatus to adjust airfoils of rotor blades
CN104002966B (zh) * 2014-06-03 2017-01-18 北京航空航天大学 一种抑制倾转旋翼机回转颤振的旋翼桨叶构型设计
WO2017172000A2 (en) * 2016-01-29 2017-10-05 Sikorsky Aircraft Corporation Helicopter tail rotor blades and blade assemblies
CN106005397A (zh) * 2016-07-14 2016-10-12 上海未来伙伴机器人有限公司 多旋翼机桨、多旋翼机以及改善桨叶静不平衡的方法
US11391156B2 (en) 2020-01-23 2022-07-19 Textron Innovations Inc. Static rotor blade assembly balancing
US12006026B2 (en) 2020-07-10 2024-06-11 Haymatt, L.L.C. Sound-reducing rotor blade tracking wedge profile
CN112478136B (zh) * 2020-12-03 2022-04-22 中国航天空气动力技术研究院 一种带金属桨柄的桨叶与桨毂的连接装置
CN112478135B (zh) * 2020-12-03 2022-04-22 中国航天空气动力技术研究院 一种螺旋桨桨叶与变距装置的连接结构
CN113581489B (zh) * 2021-07-20 2023-01-13 中国民用航空飞行学院 一种飞机操纵面静平衡矩调节装置和调节方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US331369A (en) * 1885-12-01 John bliss and geoege h
US1990291A (en) * 1931-12-05 1935-02-05 Autogiro Co Of America Air-rotor for aircraft
US2135700A (en) * 1935-01-16 1938-11-08 Autogiro Co Of America Autorotative wing for aircraft
US2161699A (en) * 1936-05-01 1939-06-06 Autogiro Co Of America Blade for aircraft sustaining rotors
GB496700A (en) * 1937-08-19 1938-12-05 Edgar Allan Wawn Improvements relating to screw and like propellers
US2430948A (en) * 1944-05-25 1947-11-18 Mcdonnell Aircraft Corp Rotor blade
US2552727A (en) * 1945-08-28 1951-05-15 United Aircraft Corp Method of balancing rotor blades
US2961053A (en) * 1953-01-07 1960-11-22 Prewitt Aircraft Company Airfoil structure and assembly
US3018832A (en) * 1955-06-30 1962-01-30 Prewitt Aircraft Company Aircraft structure
US2951542A (en) * 1957-10-21 1960-09-06 Parsons Corp Balance and tracking of rotor blades
FR1215675A (fr) * 1957-10-21 1960-04-20 Parsons Corp Procédé de fabrication et d'équilibrage des pales de rotor d'hélicoptères
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
GB1150123A (en) * 1967-02-08 1969-04-30 Westland Aircraft Ltd Improvements in or relating to the Construction of Rotor Blades for Rotary Wing Aircraft
US3524354A (en) * 1967-12-19 1970-08-18 Boeing Co Tracking system for moving objects
SE331952B (enExample) * 1967-12-22 1971-01-18 Ingelman Sundberg A
US3830109A (en) * 1972-07-10 1974-08-20 G Litvinovich Device for dynamic balancing of rotors

Also Published As

Publication number Publication date
FR2294909A1 (fr) 1976-07-16
GB1521530A (en) 1978-08-16
IT1050762B (it) 1981-03-20
JPS5189696A (enExample) 1976-08-05
US3952601A (en) 1976-04-27
CA1020927A (en) 1977-11-15
FR2294909B1 (enExample) 1980-01-04

Similar Documents

Publication Publication Date Title
DE2552123A1 (de) Hubschrauberrotor mit trimmstreifen zum ausgleichen der dynamischen ungleichheit des blattverstellmomentes sowie verfahren zum ausgleichen derselben
DE2541637C3 (de) Heckrotor fur Drehflügelflugzeuge
EP0019041B1 (de) Gelenkeloser Rotor
DE69807333T2 (de) Drehflügelblatt für hubschrauber und drehflügelblatt mit solchem profil
DE2829605A1 (de) Rotornabe
DE2451860B2 (de) Rotorblatt für Drehflügelflugzeuge
DE3826378A1 (de) Fasertechnische propellerschaufeln
DE2903524C2 (de) Schlag- und schwenkgelenkloser Anschluß von Rotorblättern eines Drehflügelflugzeuges
DE2856400C2 (de) Tragflügel, insbesondere für Drehflügelflugzeuge
DE2307565A1 (de) Verbundschaufel
DE2829542A1 (de) Hubschrauberblatt und damit ausgeruesteter hubrotor
DE2712706C2 (de) Rotor eines Drehflügelflugzeugs
EP0019047A1 (de) Schlag-, schwenk- und blattverstellgelenkloser Mehrblattrotor für ein Drehflügelflugzeug
DE2635241A1 (de) Rotorblatt fuer hubschrauberrotoren
DE2611245A1 (de) Rotor fuer drehfluegelflugzeuge
DE1906764A1 (de) Starre Nabe fuer Luftschrauben und Turbomaschinen mit veraenderlicher Steigung
DE2658032B2 (enExample)
DE2214262A1 (de) Drehflügelanordnung
DE3148903C2 (de) Elastomere Dämpfungseinrichtung für ein Rotorblatt
DE3643520C2 (enExample)
DE102016000292A1 (de) Rotorblatt einer Windenergieanlage und Verfahren zum Herstellen eines Rotorblatts
DE3707333A1 (de) Rotor, insbesondere eines drehfluegelflugzeugs
DE2725870C2 (de) Tragflügel in Sandwichbauweise für Modellflugzeuge
DE3737894A1 (de) Propeller mit verstellbaren blaettern
DE2701519A1 (de) Rotor fuer ein drehfluegelflugzeug

Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee