HUP2000013A1 - Javított tulajdonságú légcsavar légi jármûvekhez - Google Patents

Javított tulajdonságú légcsavar légi jármûvekhez

Info

Publication number
HUP2000013A1
HUP2000013A1 HU2000013A HUP2000013A HUP2000013A1 HU P2000013 A1 HUP2000013 A1 HU P2000013A1 HU 2000013 A HU2000013 A HU 2000013A HU P2000013 A HUP2000013 A HU P2000013A HU P2000013 A1 HUP2000013 A1 HU P2000013A1
Authority
HU
Hungary
Prior art keywords
aircraft
improved propeller
propeller
improved
Prior art date
Application number
HU2000013A
Other languages
English (en)
Inventor
Laszlo Kruppa
Original Assignee
Laszlo Kruppa
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 Laszlo Kruppa filed Critical Laszlo Kruppa
Priority to HU2000013A priority Critical patent/HU231244B1/hu
Priority to PCT/IB2020/058337 priority patent/WO2021140368A1/en
Priority to US17/771,825 priority patent/US11975816B2/en
Publication of HUP2000013A1 publication Critical patent/HUP2000013A1/hu
Publication of HU231244B1 publication Critical patent/HU231244B1/hu

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Radio Relay Systems (AREA)
  • Communication Cables (AREA)
  • General Details Of Gearings (AREA)
HU2000013A 2020-01-10 2020-01-10 Javított tulajdonságú légcsavar légi járművekhez HU231244B1 (hu)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HU2000013A HU231244B1 (hu) 2020-01-10 2020-01-10 Javított tulajdonságú légcsavar légi járművekhez
PCT/IB2020/058337 WO2021140368A1 (en) 2020-01-10 2020-09-08 Improved efficiency propeller for aircraft
US17/771,825 US11975816B2 (en) 2020-01-10 2020-09-08 High-efficiency propeller for aircraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU2000013A HU231244B1 (hu) 2020-01-10 2020-01-10 Javított tulajdonságú légcsavar légi járművekhez

Publications (2)

Publication Number Publication Date
HUP2000013A1 true HUP2000013A1 (hu) 2021-07-28
HU231244B1 HU231244B1 (hu) 2022-05-28

Family

ID=89993052

Family Applications (1)

Application Number Title Priority Date Filing Date
HU2000013A HU231244B1 (hu) 2020-01-10 2020-01-10 Javított tulajdonságú légcsavar légi járművekhez

Country Status (3)

Country Link
US (1) US11975816B2 (hu)
HU (1) HU231244B1 (hu)
WO (1) WO2021140368A1 (hu)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116050032B (zh) * 2023-04-03 2023-06-20 陕西空天信息技术有限公司 叶片网格切片生成方法、装置、存储介质及电子设备

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496169A (en) * 1942-08-08 1950-01-31 Emil R Lochman Variable pitch propeller
US2627928A (en) 1945-04-30 1953-02-10 Alexander S Mullgardt Propeller
US3227221A (en) * 1963-11-29 1966-01-04 You Pierre Blade construction for helicopter
DE2164648A1 (de) 1971-12-24 1973-06-28 Ver Flugtechnische Werke Blattfluegel mit variabler verwindung fuer rotor- und luftschraubenblaetter
US4137010A (en) 1977-07-25 1979-01-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Constant lift rotor for a heavier than air craft
US4648798A (en) * 1985-05-01 1987-03-10 The Cessna Aircraft Company Controllable pitch aircraft propeller
US4720244A (en) * 1987-05-21 1988-01-19 Hudson Products Corporation Fan blade for an axial flow fan and method of forming same
WO1991015399A1 (de) 1990-03-30 1991-10-17 Ferdinand Lutz Propeller mit verwindbaren blättern
US7090550B2 (en) * 2003-01-24 2006-08-15 Lockheed Martin Corporation Propeller with variable geometry and method for varying geometry of a propeller
US20070217917A1 (en) 2006-03-17 2007-09-20 Sarbuland Khan Rotary fluid dynamic utility structure
GB2464678B (en) 2008-10-21 2013-04-10 David Hostettler Wain Dual swash plates
WO2011089277A1 (es) * 2010-01-20 2011-07-28 Soluciones Energeticas, S.A. Pala de perfil y forma variables
FR2956856A1 (fr) 2010-02-26 2011-09-02 Eurocopter France Pale a vrillage adaptatif, et rotor muni d'une telle pale
EP2402246A1 (de) 2010-06-29 2012-01-04 Brandenburgische Technische Universität Cottbus Propellerblattlagerung
AU2012339710A1 (en) 2011-11-16 2014-07-31 Radeus Labs, Inc Methods and apparatus for vertical/short takeoff and landing
CN102887222A (zh) 2012-09-18 2013-01-23 北京理工大学 一种扭角分布可变的桨叶
US9487291B2 (en) 2012-12-05 2016-11-08 The Boeing Company Apparatus, system, and method for pitching and twisting a blade of a rotorcraft
US20180339770A1 (en) 2017-05-26 2018-11-29 Bell Helicopter Textron Inc. Rotor assemblies and related control systems
US11644046B2 (en) 2018-01-05 2023-05-09 Aurora Flight Sciences Corporation Composite fan blades with integral attachment mechanism

Also Published As

Publication number Publication date
HU231244B1 (hu) 2022-05-28
US20220402594A1 (en) 2022-12-22
WO2021140368A1 (en) 2021-07-15
US11975816B2 (en) 2024-05-07

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