WO2010067325A3 - Ducted fan configuration for a vtol vehicle - Google Patents

Ducted fan configuration for a vtol vehicle Download PDF

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Publication number
WO2010067325A3
WO2010067325A3 PCT/IB2009/055656 IB2009055656W WO2010067325A3 WO 2010067325 A3 WO2010067325 A3 WO 2010067325A3 IB 2009055656 W IB2009055656 W IB 2009055656W WO 2010067325 A3 WO2010067325 A3 WO 2010067325A3
Authority
WO
WIPO (PCT)
Prior art keywords
inlet
duct
outlet
diameter
ducted fan
Prior art date
Application number
PCT/IB2009/055656
Other languages
French (fr)
Other versions
WO2010067325A2 (en
Inventor
Raphael Yoeli
Original Assignee
Urban Aeronautics 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 Urban Aeronautics Ltd. filed Critical Urban Aeronautics Ltd.
Publication of WO2010067325A2 publication Critical patent/WO2010067325A2/en
Publication of WO2010067325A3 publication Critical patent/WO2010067325A3/en

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
    • B64C11/001—Shrouded propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A ducted fan for a VTOL vehicle includes a substantially cylindrical duct having an inlet at an upper end and an outlet at a lower end, a propulsion unit inside the duct, between the inlet and the outlet, and at least one group of control vanes located above the inlet a distance equal to at least one-quarter vane chord length, while a related method includes the steps of (a) shaping the inlet of the duct to have a diameter equal to or less than a diameter of the duct proximate the outlet, and (b) locating a first group of inlet vanes a distance above the inlet as a function of duct inlet diameter, and still another method creates side forces and rolling moments through the use of cambered vanes.
PCT/IB2009/055656 2008-12-11 2009-12-10 Ducted fan configuration for a vtol vehicle WO2010067325A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12175608P 2008-12-11 2008-12-11
US61/121,756 2008-12-11

Publications (2)

Publication Number Publication Date
WO2010067325A2 WO2010067325A2 (en) 2010-06-17
WO2010067325A3 true WO2010067325A3 (en) 2011-01-06

Family

ID=42243132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2009/055656 WO2010067325A2 (en) 2008-12-11 2009-12-10 Ducted fan configuration for a vtol vehicle

Country Status (1)

Country Link
WO (1) WO2010067325A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6464166B1 (en) 2001-05-29 2002-10-15 Romeo Yankee Ltd. Ducted fan vehicles particularly useful as VTOL aircraft
US7857253B2 (en) 2003-10-27 2010-12-28 Urban Aeronautics Ltd. Ducted fan VTOL vehicles
US7946528B2 (en) 2005-04-15 2011-05-24 Urban Aeronautics, Ltd. Flight control system especially suited for VTOL vehicles
WO2007099543A2 (en) 2006-03-01 2007-09-07 Urban Aeronautics Ltd. Ground effect vanes arrangement
WO2008065654A2 (en) 2006-11-27 2008-06-05 Urban Aeronautics Ltd. Wall effects on vtol vehicles
WO2008135973A2 (en) 2007-05-02 2008-11-13 Urban Aeronautics Ltd. Control flows and forces in vtol vehicles
WO2010026517A2 (en) 2008-09-02 2010-03-11 Urban Aeronautics Ltd. Vtol vehicle with coaxially tilted or tiltable rotors
US8876038B2 (en) 2010-10-05 2014-11-04 Urban Aeronautics Ltd. Ducted fan for VTOL vehicles with system and method to reduce roll moments
CN101973391B (en) * 2010-10-15 2012-08-08 北京理工大学 Lip and spread angle variable efficient duct
US8998126B2 (en) 2011-09-14 2015-04-07 Embry-Riddle Aeronautical University, Inc. Lift generating device
WO2014112948A1 (en) * 2013-01-21 2014-07-24 Singapore Technologies Aerospace Ltd Method for improving crosswind stability of a propeller duct and a corresponding apparatus, system and computer readable medium
FR3082186B1 (en) * 2018-06-07 2021-02-12 Safran PROPULSION KIT FOR AN AIRCRAFT WITH VERTICAL TAKEOFF AND LANDING

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167273A (en) * 1962-04-20 1965-01-26 Calderon Alberto Alvarez Stability and control system and apparatus for ducted fan aircraft
US3179353A (en) * 1958-02-04 1965-04-20 Ryan Aeronautical Co Jet powered ducted fan convertiplane
US3713748A (en) * 1970-04-28 1973-01-30 Mini Of Aviat Supply Gas turbine ducted fan engine
US4828203A (en) * 1986-12-16 1989-05-09 Vulcan Aircraft Corporation Vertical/short take-off and landing aircraft
US4917332A (en) * 1987-01-05 1990-04-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wingtip vortex turbine
US6561456B1 (en) * 2001-12-06 2003-05-13 Michael Thomas Devine Vertical/short take-off and landing aircraft
US6808140B2 (en) * 2002-02-08 2004-10-26 Moller Paul S Vertical take-off and landing vehicles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179353A (en) * 1958-02-04 1965-04-20 Ryan Aeronautical Co Jet powered ducted fan convertiplane
US3167273A (en) * 1962-04-20 1965-01-26 Calderon Alberto Alvarez Stability and control system and apparatus for ducted fan aircraft
US3713748A (en) * 1970-04-28 1973-01-30 Mini Of Aviat Supply Gas turbine ducted fan engine
US4828203A (en) * 1986-12-16 1989-05-09 Vulcan Aircraft Corporation Vertical/short take-off and landing aircraft
US4917332A (en) * 1987-01-05 1990-04-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wingtip vortex turbine
US6561456B1 (en) * 2001-12-06 2003-05-13 Michael Thomas Devine Vertical/short take-off and landing aircraft
US6808140B2 (en) * 2002-02-08 2004-10-26 Moller Paul S Vertical take-off and landing vehicles

Also Published As

Publication number Publication date
WO2010067325A2 (en) 2010-06-17

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