JP4358435B2 - 最適速度ロータ - Google Patents

最適速度ロータ Download PDF

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Publication number
JP4358435B2
JP4358435B2 JP2000532331A JP2000532331A JP4358435B2 JP 4358435 B2 JP4358435 B2 JP 4358435B2 JP 2000532331 A JP2000532331 A JP 2000532331A JP 2000532331 A JP2000532331 A JP 2000532331A JP 4358435 B2 JP4358435 B2 JP 4358435B2
Authority
JP
Japan
Prior art keywords
rotor
blade
per minute
helicopter
revolutions per
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
JP2000532331A
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English (en)
Japanese (ja)
Other versions
JP2002503593A (ja
JP2002503593A5 (enExample
Inventor
イー． カーレム，エイブラハム
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Publication of JP2002503593A publication Critical patent/JP2002503593A/ja
Publication of JP2002503593A5 publication Critical patent/JP2002503593A5/ja
Application granted granted Critical
Publication of JP4358435B2 publication Critical patent/JP4358435B2/ja
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Toys (AREA)
JP2000532331A 1998-02-20 1999-02-19 最適速度ロータ Expired - Lifetime JP4358435B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7550998P 1998-02-20 1998-02-20
US60/075,509 1998-02-20
PCT/US1999/003627 WO1999042360A1 (en) 1998-02-20 1999-02-19 Optimum speed rotor

Publications (3)

Publication Number Publication Date
JP2002503593A JP2002503593A (ja) 2002-02-05
JP2002503593A5 JP2002503593A5 (enExample) 2006-04-13
JP4358435B2 true JP4358435B2 (ja) 2009-11-04

Family

ID=22126232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000532331A Expired - Lifetime JP4358435B2 (ja) 1998-02-20 1999-02-19 最適速度ロータ

Country Status (6)

Country Link
US (2) US6007298A (enExample)
EP (1) EP1056640B1 (enExample)
JP (1) JP4358435B2 (enExample)
AU (1) AU3303299A (enExample)
DE (1) DE69931035T2 (enExample)
WO (1) WO1999042360A1 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6641365B2 (en) * 1998-02-20 2003-11-04 Abraham E. Karem Optimum speed tilt rotor
MXPA02006264A (es) 1999-12-23 2003-01-28 Dow Global Technologies Inc Dispositivos cataliticos.
US8372139B2 (en) 2001-02-14 2013-02-12 Advanced Bio Prosthetic Surfaces, Ltd. In vivo sensor and method of making same
US6671590B1 (en) * 2001-04-30 2003-12-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and system for active noise control of tiltrotor aircraft
DE10141098A1 (de) * 2001-08-22 2003-03-06 Gen Electric Windkraftanlage
FR2878288B1 (fr) * 2004-11-25 2007-01-19 Eurocopter France Procede et dispositif pour optimiser l'enveloppe de performances d'un turbomoteur
US8864062B2 (en) 2005-08-15 2014-10-21 Abe Karem Aircraft with integrated lift and propulsion system
US7438259B1 (en) * 2006-08-16 2008-10-21 Piasecki Aircraft Corporation Compound aircraft control system and method
JP4240112B2 (ja) * 2006-11-13 2009-03-18 トヨタ自動車株式会社 垂直離着陸機
WO2009111568A1 (en) * 2008-03-04 2009-09-11 Karem Aircraft, Inc. Composite blade root stucture
US7871034B2 (en) * 2008-04-23 2011-01-18 Abe Karem Rotor hub systems and methods
US8561938B2 (en) 2010-05-31 2013-10-22 Executive Access Inc. Directional control for a helicopter
WO2012109126A1 (en) 2011-02-08 2012-08-16 Dow Global Technologies Llc System and method for reducing emissions from a combustion process
FR3000465B1 (fr) * 2012-12-27 2015-02-13 Eurocopter France Procede d'entrainement en rotation d'un rotor principal de giravion, selon une consigne de vitesse de rotation a valeur variable
DE102015121502B4 (de) 2015-12-10 2025-02-13 Tensor AG Tragschrauberrotorblatt zur autorotatorischen Auftriebserzeugung
US10569870B2 (en) 2016-11-18 2020-02-25 Textron Innovations Inc. Proprotor systems for tiltrotor aircraft
US20180162526A1 (en) * 2016-12-12 2018-06-14 Bell Helicopter Textron Inc. Proprotor Systems for Tiltrotor Aircraft
US10232932B2 (en) 2017-03-22 2019-03-19 Bell Helicopter Textron Inc. High stiffness hub assembly for proprotor systems
US10974826B2 (en) 2017-05-22 2021-04-13 Overair, Inc. EVTOL having many variable speed tilt rotors
KR102627083B1 (ko) * 2017-05-22 2024-01-18 오버에어, 인코퍼레이티드 대형 가변 속도 틸트 로터를 사용하는 eVTOL 항공기
US10514060B2 (en) 2017-07-13 2019-12-24 Textron Innovations Inc. Inboard bearing assemblies with anti-rotation features
US10479497B2 (en) 2017-07-13 2019-11-19 Bell Textron Inc. Inboard bearing assemblies having load transfer shoe bolts
US10486807B2 (en) 2017-07-13 2019-11-26 Bell Textron Inc. Inboard bearing assemblies having independent shoes
US10507912B2 (en) 2017-07-13 2019-12-17 Bell Textron Inc. Inboard bearing assemblies with improved accessibility
US10472059B2 (en) 2017-07-13 2019-11-12 Bell Textron Inc. Inboard bearing assemblies for proprotor systems
US10494091B2 (en) 2017-07-13 2019-12-03 Bell Textron Inc. Hub bolt supported inboard bearing assemblies
US11027834B2 (en) 2018-02-22 2021-06-08 Textron Innovations Inc. Inboard centrifugal force bearing attachment
US11760473B2 (en) 2021-02-11 2023-09-19 Karem Aircraft, Inc. Rotorcraft with interchangeable rotor diameters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713751A (en) * 1970-10-29 1973-01-30 United Aircraft Corp Aerodynamic blade with high stiffness-to-weight ratio
US3960348A (en) * 1975-08-04 1976-06-01 United Technologies Corporation Aerodynamic surface control feel augmentation system
US4115755A (en) * 1976-06-11 1978-09-19 United Technologies Corporation Aerodynamic surface load sensing
EP0037633B1 (en) * 1980-03-28 1986-07-30 WESTLAND plc Helicopter rotor blade
US4632337A (en) * 1981-09-21 1986-12-30 Hughes Helicopters, Inc. Helicopter rotor transmission systems
US4601639A (en) * 1984-03-19 1986-07-22 Bell Helicopter Textron Inc. Nodalized rotor
GB8625712D0 (en) * 1986-10-28 1987-03-18 Westland Plc Transmission system
JP3029981B2 (ja) * 1995-04-27 2000-04-10 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタの動力伝達装置

Also Published As

Publication number Publication date
DE69931035D1 (de) 2006-06-01
JP2002503593A (ja) 2002-02-05
EP1056640A1 (en) 2000-12-06
EP1056640B1 (en) 2006-04-26
DE69931035T2 (de) 2007-05-10
AU3303299A (en) 1999-09-06
WO1999042360A1 (en) 1999-08-26
US20010001033A1 (en) 2001-05-10
US6007298A (en) 1999-12-28
EP1056640A4 (en) 2001-04-04

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