SG10201800731PA - A thrust producing unit with at least two rotor assemblies and a shrouding - Google Patents

A thrust producing unit with at least two rotor assemblies and a shrouding

Info

Publication number
SG10201800731PA
SG10201800731PA SG10201800731PA SG10201800731PA SG10201800731PA SG 10201800731P A SG10201800731P A SG 10201800731PA SG 10201800731P A SG10201800731P A SG 10201800731PA SG 10201800731P A SG10201800731P A SG 10201800731PA SG 10201800731P A SG10201800731P A SG 10201800731PA
Authority
SG
Singapore
Prior art keywords
shrouding
rotor assemblies
producing unit
thrust producing
thrust
Prior art date
Application number
SG10201800731PA
Inventor
Kiesewetter Uwe
Mores Sebastian
Bebesel Marius
Pfaller Rupert
Original Assignee
Airbus Helicopters Deutschland GmbH
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 Airbus Helicopters Deutschland GmbH filed Critical Airbus Helicopters Deutschland GmbH
Publication of SG10201800731PA publication Critical patent/SG10201800731PA/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
    • B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
    • B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
    • B64C29/0016—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U30/00—Means for producing lift; Empennages; Arrangements thereof
    • B64U30/20—Rotors; Rotor supports
    • B64U30/26—Ducted or shrouded rotors
    • 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
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/02—Aircraft not otherwise provided for characterised by special use
    • B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C9/00—Adjustable control surfaces or members, e.g. rudders
    • B64C9/14—Adjustable control surfaces or members, e.g. rudders forming slots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00—Constructional aspects of UAVs
    • B64U20/70—Constructional aspects of the UAV body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/13—Propulsion using external fans or propellers
    • B64U50/14—Propulsion using external fans or propellers ducted or shrouded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D2241/00—NACA type air intakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00—Constructional aspects of UAVs
    • B64U20/20—Constructional aspects of UAVs for noise reduction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U30/00—Means for producing lift; Empennages; Arrangements thereof
    • B64U30/20—Rotors; Rotor supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/13—Propulsion using external fans or propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Wind Motors (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Toys (AREA)
  • Moulding By Coating Moulds (AREA)
  • Switches With Compound Operations (AREA)
  • Automatic Assembly (AREA)

Abstract

A thrust producing unit with at least two rotor assemblies and a shrouding” The invention is related to a thrust producing unit 3d for producing thrust in a predetermined direction, comprising at least 5 two rotor assemblies 7d, 8d and a shrouding 6d that accommodates at most one of the at least two rotor assemblies 7d, 8d, wherein the shrouding 6d defines a cylindrical air duct 20 that is axially delimited by an air inlet region 20e and an air outlet region 20f, and wherein the air inlet region 20e exhibits in circumferential 10 direction of the cylindrical air duct 20 an undulated geometry. figure: Figure 5
SG10201800731PA 2017-02-27 2018-01-29 A thrust producing unit with at least two rotor assemblies and a shrouding SG10201800731PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17400008.3A EP3366586B1 (en) 2017-02-27 2017-02-27 A thrust producing unit with at least two rotor assemblies and a shrouding

Publications (1)

Publication Number Publication Date
SG10201800731PA true SG10201800731PA (en) 2018-09-27

Family

ID=58410234

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201800731PA SG10201800731PA (en) 2017-02-27 2018-01-29 A thrust producing unit with at least two rotor assemblies and a shrouding

Country Status (8)

Country Link
US (1) US11220325B2 (en)
EP (1) EP3366586B1 (en)
JP (1) JP6516888B2 (en)
KR (1) KR102049969B1 (en)
CN (1) CN108502151B (en)
BR (1) BR102018003220B1 (en)
MX (1) MX2018002328A (en)
SG (1) SG10201800731PA (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10814966B2 (en) 2015-05-25 2020-10-27 Dotterel Technologies Limited Shroud for an aircraft
US11097828B2 (en) 2017-07-24 2021-08-24 Dotterel Technologies Limited Shroud
US11511854B2 (en) * 2018-04-27 2022-11-29 Textron Systems Corporation Variable pitch rotor assembly for electrically driven vectored thrust aircraft applications
WO2019221613A1 (en) 2018-05-16 2019-11-21 Dotterel Technologies Limited Systems and methods for audio capture
EP3581491B1 (en) * 2018-06-13 2020-06-24 AIRBUS HELICOPTERS DEUTSCHLAND GmbH A multirotor aircraft with a thrust producing unit that comprises an aerodynamically optimized shrouding
US10822080B2 (en) * 2018-06-28 2020-11-03 The Boeing Company Aircraft and methods of performing tethered and untethered flights using aircraft
US11027836B2 (en) * 2018-07-13 2021-06-08 The Boeing Company Rotorcraft with canted coaxial rotors
EP3826921A4 (en) * 2018-07-23 2022-04-20 Airgility, Inc. System of play platform for multi-mission application spanning any one or combination of domains or environments
JP7068126B2 (en) * 2018-10-01 2022-05-16 トヨタ自動車株式会社 Anomaly detection device and control device
US11829161B2 (en) 2019-04-26 2023-11-28 Aergility Corporation Hybrid gyrodyne aircraft
US11673657B2 (en) * 2019-05-03 2023-06-13 The Boeing Company Multi-rotor rotorcraft
KR102366194B1 (en) * 2020-03-26 2022-02-24 주식회사 풍산 Coaxial Rotor Flight
KR102337912B1 (en) * 2020-08-07 2021-12-10 한서대학교 산학협력단 Manufacturing method of propulsion unit for flight vehicle having rimfoil, propulsion unit for flight vehicle having rimfoil and flight vehicle
CN112520026A (en) * 2020-12-23 2021-03-19 中国民用航空飞行学院 Novel variant aircraft
US11247783B1 (en) * 2021-03-08 2022-02-15 Heleng Inc. Aircraft
WO2024001143A1 (en) * 2022-06-30 2024-01-04 亿航智能设备（广州）有限公司 Ducted fan, aircraft and attitude control method and device therefor, and related apparatus

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB905911A (en) 1957-11-19 1962-09-12 Maurice Louis Hurel Improvements in aircraft having a lift producing rotor disposed in a supporting surface
US3584810A (en) 1969-05-08 1971-06-15 Gen Dynamics Corp Stacked rotor vtol aircraft
DE2434042C3 (en) 1974-07-16 1979-04-26 Dornier Gmbh, 7990 Friedrichshafen Vertical flying aircraft
US5152478A (en) 1990-05-18 1992-10-06 United Technologies Corporation Unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide all required vehicle flight controls
US5150857A (en) 1991-08-13 1992-09-29 United Technologies Corporation Shroud geometry for unmanned aerial vehicles
US5277381A (en) * 1992-08-12 1994-01-11 Piasecki Aircraft Corporation Rotary wing aircraft shrouded propeller sidewall thruster
JPH07125696A (en) * 1993-11-02 1995-05-16 Mitsubishi Heavy Ind Ltd Helicopter
US5575438A (en) * 1994-05-09 1996-11-19 United Technologies Corporation Unmanned VTOL ground surveillance vehicle
US6270038B1 (en) 1999-04-22 2001-08-07 Sikorsky Aircraft Corporation Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop
GB2360752A (en) * 2000-04-01 2001-10-03 Glyn Jones Helicopter without tail rotor
US6568630B2 (en) 2001-08-21 2003-05-27 Urban Aeronautics Ltd. Ducted vehicles particularly useful as VTOL aircraft
USD543928S1 (en) 2003-01-23 2007-06-05 Ufoz, Llc Hovercraft with stacked rotor thruster and winglets
US7032861B2 (en) 2002-01-07 2006-04-25 Sanders Jr John K Quiet vertical takeoff and landing aircraft using ducted, magnetic induction air-impeller rotors
GB2389826B (en) * 2002-06-22 2006-08-23 John Edward Randell Craft propulsion
ITTO20030588A1 (en) * 2003-07-30 2005-01-31 Fiat Ricerche FLYING CAR.
US7857253B2 (en) 2003-10-27 2010-12-28 Urban Aeronautics Ltd. Ducted fan VTOL vehicles
GB2409845A (en) * 2004-01-08 2005-07-13 Robert Graham Burrage Tilt-rotor aircraft changeable between vertical lift and forward flight modes
US9434471B2 (en) 2005-04-14 2016-09-06 Paul E Arlton Rotary wing vehicle
US20060226281A1 (en) 2004-11-17 2006-10-12 Walton Joh-Paul C Ducted fan vertical take-off and landing vehicle
EP1831073A2 (en) * 2004-12-22 2007-09-12 Aurora Flight Sciences Corporation System and method for utilizing stored electrical energy for vtol aircraft thrust enhancement and attitude control
US7946528B2 (en) 2005-04-15 2011-05-24 Urban Aeronautics, Ltd. Flight control system especially suited for VTOL vehicles
DE102005022706A1 (en) 2005-05-18 2006-11-23 Dolch, Stefan, Dipl.-Ing. (FH) Helicopter especially for observation has multi rotor drive with rotor location outside the field of forward view of an onboard camera
US8720814B2 (en) * 2005-10-18 2014-05-13 Frick A. Smith Aircraft with freewheeling engine
CN101157385A (en) * 2007-11-27 2008-04-09 谭生 Helicopter
WO2009077968A2 (en) 2007-12-14 2009-06-25 Urban Aeronautics Ltd. Redundancies and flows in vehicles
EP2247500B1 (en) * 2008-02-01 2012-04-04 Ashley Christopher Bryant Flying-wing aircraft
US8387911B2 (en) 2008-07-25 2013-03-05 Honeywell International Inc. Ducted fan core for use with an unmanned aerial vehicle
US8240597B2 (en) * 2008-08-06 2012-08-14 Honeywell International Inc. UAV ducted fan lip shaping
US20120153087A1 (en) * 2008-08-06 2012-06-21 Honeywell International Inc. Modular Pods for Use with an Unmanned Aerial Vehicle
CN201306711Y (en) 2008-11-04 2009-09-09 王国良 Environmentally-friendly energy-saving dimethyl ether special combustor
US8464978B2 (en) * 2009-04-16 2013-06-18 The Trustees Of The University Of Pennsylvania Counter-rotational inertial control of rotorcraft
US8733690B2 (en) 2009-08-24 2014-05-27 Joby Aviation, Inc. Lightweight vertical take-off and landing aircraft and flight control paradigm using thrust differentials
KR101169742B1 (en) 2009-11-20 2012-07-30 순천대학교 산학협력단 The flying object equipped coaxial duct system
US20110147533A1 (en) * 2009-12-21 2011-06-23 Honeywell International Inc. Morphing ducted fan for vertical take-off and landing vehicle
KR101217804B1 (en) 2010-06-01 2013-01-22 (주)선택이앤티 Bottom propeller control type vehicle
WO2012012474A2 (en) 2010-07-19 2012-01-26 Zee.Aero Inc. Personal aircraft
US8695919B2 (en) * 2010-11-12 2014-04-15 Sky Sapience Ltd. Aerial unit and method for elevating payloads
CN102120489A (en) * 2011-02-28 2011-07-13 南昌航空大学 Tilt ducted unmanned aerial vehicle
CN102285449A (en) * 2011-06-07 2011-12-21 北京邮电大学 Coaxial double-rotor wing ducted aircraft
EP2551193B1 (en) 2011-07-29 2016-04-13 AGUSTAWESTLAND S.p.A. Convertiplane
PT2551190E (en) 2011-07-29 2014-01-23 Agustawestland Spa Convertiplane
EP2551198B1 (en) 2011-07-29 2013-11-13 AGUSTAWESTLAND S.p.A. Convertiplane
USD678169S1 (en) 2011-09-19 2013-03-19 Zee.Aero Inc. Aircraft
US8602942B2 (en) 2011-11-16 2013-12-10 Zee.Aero Inc. Centrifugal de-clutch
JP6037100B2 (en) * 2012-03-14 2016-11-30 株式会社Ihi Vertical take-off and landing aircraft
EP2738091B1 (en) 2012-11-30 2015-07-22 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Vertical take-off and landing (VTOL) aerial vehicle and method of operating such a VTOL aerial vehicle
CN103010463A (en) 2012-12-26 2013-04-03 南京航空航天大学 High-speed coaxial tilting double-rotor-wing flying wing machine
JP6108077B2 (en) * 2013-01-29 2017-04-05 株式会社Ihi Vertical take-off and landing aircraft
DE102013108207A1 (en) 2013-07-31 2015-02-05 E-Volo Gmbh Aircraft, especially multicopters
DE102013109392A1 (en) 2013-08-29 2015-03-05 Airbus Defence and Space GmbH Fast-flying, vertically launchable aircraft
US20150127209A1 (en) 2013-11-05 2015-05-07 King Fahd University Of Petroleum And Minerals Bird repellent system
US9783291B2 (en) * 2014-04-18 2017-10-10 Propulsive Wing, LLC Hybrid axial/cross-flow fan multi-rotor aerial vehicle
DE102014213215A1 (en) * 2014-07-08 2016-01-14 Lilium GmbH whiz
KR101451646B1 (en) 2014-07-16 2014-10-16 (주)테크맥스텔레콤 The multi function for ducted type unmanned aircraft
US10427783B2 (en) 2015-02-25 2019-10-01 Prodrone Co., Ltd. Multicopter
CN104787316B (en) * 2015-04-17 2017-11-03 珠海磐磊智能科技有限公司 Multi-rotor aerocraft
CN104787315B (en) * 2015-04-17 2017-06-13 珠海磐磊智能科技有限公司 Duct power set and aircraft
DE102015006511A1 (en) 2015-05-26 2016-12-01 Airbus Defence and Space GmbH Vertical launching aircraft
CN204956910U (en) * 2015-07-17 2016-01-13 优利科技有限公司 Rotorcraft
US10518880B2 (en) * 2017-02-16 2019-12-31 Amazon Technologies, Inc. Six degree of freedom aerial vehicle with a ring wing

Also Published As

Publication number Publication date
KR102049969B1 (en) 2019-11-28
US11220325B2 (en) 2022-01-11
BR102018003220B1 (en) 2022-05-17
JP2018140772A (en) 2018-09-13
BR102018003220A2 (en) 2018-10-30
US20180244367A1 (en) 2018-08-30
EP3366586A1 (en) 2018-08-29
MX2018002328A (en) 2018-11-09
CN108502151B (en) 2021-06-08
JP6516888B2 (en) 2019-05-22
KR20180099522A (en) 2018-09-05
CN108502151A (en) 2018-09-07
EP3366586B1 (en) 2020-08-19

Similar Documents

Publication Publication Date Title
SG10201800731PA (en) A thrust producing unit with at least two rotor assemblies and a shrouding
BR112017010934A2 (en) portable appliance such as a hair dryer
EP3530961A4 (en) Flow guiding ring structure, axial flow fan and air-conditioner
EP2993022A3 (en) Cooling structure of pressing mold
TWD191868S (en) Fan
IN2014DE03228A (en)
TWD191867S (en) Barrel fan
MX2016009835A (en) Non-contacting labyrinth seal assembly.
JP2016044630A5 (en)
GB2568583B (en) Axial retention of the fan shaft in a gas turbine engine
TWD190433S (en) Portions of nasal cannula assembly
MX2017000930A (en) Balanced valve element and pressure regulating valve.
CA2880330C (en) A linear compressor
WO2016078895A3 (en) Cooling of an axial end region of a stator in a rotating electrical machine
BR112014000384A2 (en) sealing protector for incorporation into a beater type foaming apparatus; beater type foaming apparatus
EP2854259B8 (en) Rotor of an electric machine with at least one fan for creating an air flow inside the shaft and electric machine comprising such a rotor
BR112017010876A2 (en) chewing juice extractor, e.g. method for separating juice from pulp by means of juice extractor
MX2017003038A (en) Screw compressor element.
PL413756A1 (en) Rotor of axial fan
WO2015000830A3 (en) Rotor for a turbine
IN2014MU01835A (en)
PH12016000014B1 (en) Fan casing and fan apparatus
BR102016000310A8 (en) Gas turbine engine turbine and engine
PL409432A1 (en) Axial fan
UA101349U (en) Turbine air-motor with regulating element for high-speed spindle unit