DE69115636T2 - Rotorblätter eines Drehflügelflugzeuges - Google Patents

Rotorblätter eines Drehflügelflugzeuges

Info

Publication number
DE69115636T2
DE69115636T2 DE69115636T DE69115636T DE69115636T2 DE 69115636 T2 DE69115636 T2 DE 69115636T2 DE 69115636 T DE69115636 T DE 69115636T DE 69115636 T DE69115636 T DE 69115636T DE 69115636 T2 DE69115636 T2 DE 69115636T2
Authority
DE
Germany
Prior art keywords
rotor blades
wing aircraft
rotary wing
rotary
aircraft
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.)
Expired - Lifetime
Application number
DE69115636T
Other languages
English (en)
Other versions
DE69115636D1 (de
Inventor
Alan Brocklehurst
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.)
AgustaWestland Ltd
Original Assignee
Westland Helicopters Ltd
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 Westland Helicopters Ltd filed Critical Westland Helicopters Ltd
Application granted granted Critical
Publication of DE69115636D1 publication Critical patent/DE69115636D1/de
Publication of DE69115636T2 publication Critical patent/DE69115636T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B64C27/463—Blade tips
    • 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
    • Y10S416/05—Variable camber or chord length
DE69115636T 1990-10-13 1991-10-09 Rotorblätter eines Drehflügelflugzeuges Expired - Lifetime DE69115636T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909022281A GB9022281D0 (en) 1990-10-13 1990-10-13 Helicopter rotor blades

Publications (2)

Publication Number Publication Date
DE69115636D1 DE69115636D1 (de) 1996-02-01
DE69115636T2 true DE69115636T2 (de) 1996-10-10

Family

ID=10683685

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115636T Expired - Lifetime DE69115636T2 (de) 1990-10-13 1991-10-09 Rotorblätter eines Drehflügelflugzeuges

Country Status (4)

Country Link
US (1) US5174721A (de)
EP (1) EP0482788B1 (de)
DE (1) DE69115636T2 (de)
GB (1) GB9022281D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009012801A1 (de) * 2009-03-13 2010-11-18 Eads Deutschland Gmbh Anisotrope Betätigung einer Helikopterrotorblattspitze

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689852B1 (fr) * 1992-04-09 1994-06-17 Eurocopter France Pale pour voilure tournante d'aeronef, a extremite en fleche.
DE4401596A1 (de) * 1994-01-20 1995-07-27 Ekato Ruehr Mischtechnik Rührorgan
US5624234A (en) * 1994-11-18 1997-04-29 Itt Automotive Electrical Systems, Inc. Fan blade with curved planform and high-lift airfoil having bulbous leading edge
GB2312712A (en) * 1996-04-30 1997-11-05 Gkn Westland Helicopters Ltd Propeller/rotor blade
JP3170470B2 (ja) * 1997-03-24 2001-05-28 株式会社コミュータヘリコプタ先進技術研究所 回転翼機のロータブレード
EP2303685B1 (de) 2008-06-20 2015-10-07 Aviation Partners, Inc. Gekrümmte flügelspitze
US9302766B2 (en) * 2008-06-20 2016-04-05 Aviation Partners, Inc. Split blended winglet
EP2505500B1 (de) 2011-03-31 2016-09-14 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Lärm- und leistungsverbessertes rotorblatt für einen helikopter
ES2856270T3 (es) 2011-06-09 2021-09-27 Aviation Partners Inc El winglet integrado doble
WO2017145563A1 (ja) * 2016-02-23 2017-08-31 国立研究開発法人宇宙航空研究開発機構 ロータブレード、ドローン及びヘリコプタ
EP3269635A1 (de) * 2016-07-12 2018-01-17 The Aircraft Performance Company UG Flugzeugflügel
EP3511243B1 (de) * 2018-01-15 2021-12-29 The Aircraft Performance Company GmbH Flugzeugflügel
US10974827B2 (en) 2018-05-10 2021-04-13 Joby Aero, Inc. Electric tiltrotor aircraft
CN112219036B (zh) 2018-06-01 2023-08-11 杰欧比飞行有限公司 用于飞行器噪声减轻的系统和方法
US10710741B2 (en) 2018-07-02 2020-07-14 Joby Aero, Inc. System and method for airspeed determination
EP3853736A4 (de) 2018-09-17 2022-11-16 Joby Aero, Inc. Flugzeugsteuerungssystem
US10983534B2 (en) 2018-12-07 2021-04-20 Joby Aero, Inc. Aircraft control system and method
US20200331602A1 (en) * 2018-12-07 2020-10-22 Joby Aero, Inc. Rotary airfoil and design method therefor
US10845823B2 (en) 2018-12-19 2020-11-24 Joby Aero, Inc. Vehicle navigation system
CN116646641A (zh) 2019-04-23 2023-08-25 杰欧比飞行有限公司 电池热管理系统及方法
US11230384B2 (en) 2019-04-23 2022-01-25 Joby Aero, Inc. Vehicle cabin thermal management system and method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB119463A (en) * 1917-08-17 1919-05-29 Jakob Raschle-Frei A Propeller for Ships, Airships, Flying-machines and the like.
NL20110C (de) * 1924-01-22
US3053325A (en) * 1961-10-25 1962-09-11 Paul F Ferreira Aeronautical propeller
GB1391940A (en) * 1971-09-22 1975-04-23 United Aircraft Corp Helicopter rotor blades
US3721507A (en) * 1971-09-22 1973-03-20 United Aircraft Corp Blade for high speed helicopter
US3972646A (en) * 1974-04-12 1976-08-03 Bolt Beranek And Newman, Inc. Propeller blade structures and methods particularly adapted for marine ducted reversible thrusters and the like for minimizing cavitation and related noise
GB1538055A (en) * 1975-05-19 1979-01-10 Westland Aircraft Ltd Helicopter rotor blades
US4012172A (en) * 1975-09-10 1977-03-15 Avco Corporation Low noise blades for axial flow compressors
US4063852A (en) * 1976-01-28 1977-12-20 Torin Corporation Axial flow impeller with improved blade shape
JPS53115911A (en) * 1977-03-19 1978-10-09 Daikin Ind Ltd Axial-flow fan
US4142837A (en) * 1977-11-11 1979-03-06 United Technologies Corporation Helicopter blade
US4324530A (en) * 1980-01-21 1982-04-13 United Technologies Corp. Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency
JPS62199997A (ja) * 1986-02-27 1987-09-03 Nippon Radiator Co Ltd フアン
FR2617118B1 (fr) * 1987-06-29 1992-08-21 Aerospatiale Pale a extremite courbe pour voilure tournante d'aeronef
FR2636593B1 (fr) * 1988-09-19 1990-11-23 Aerospatiale Pale pour voilure tournante d'aeronef et voilure tournante comportant une telle pale
US5064345A (en) * 1989-11-16 1991-11-12 Airflow Research And Manufacturing Corporation Multi-sweep blade with abrupt sweep transition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009012801A1 (de) * 2009-03-13 2010-11-18 Eads Deutschland Gmbh Anisotrope Betätigung einer Helikopterrotorblattspitze
DE102009012801B4 (de) * 2009-03-13 2012-04-05 Eads Deutschland Gmbh Anisotrope Betätigung einer Helikopterrotorblattspitze

Also Published As

Publication number Publication date
EP0482788B1 (de) 1995-12-20
US5174721A (en) 1992-12-29
EP0482788A1 (de) 1992-04-29
DE69115636D1 (de) 1996-02-01
GB9022281D0 (en) 1991-02-20

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition