JP6578451B2 - フェザープロペラクラッチ機構 - Google Patents
フェザープロペラクラッチ機構 Download PDFInfo
- Publication number
- JP6578451B2 JP6578451B2 JP2018545139A JP2018545139A JP6578451B2 JP 6578451 B2 JP6578451 B2 JP 6578451B2 JP 2018545139 A JP2018545139 A JP 2018545139A JP 2018545139 A JP2018545139 A JP 2018545139A JP 6578451 B2 JP6578451 B2 JP 6578451B2
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- arm
- clutch mechanism
- feathering
- post
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims description 115
- 210000003746 feather Anatomy 0.000 title description 2
- 238000000034 method Methods 0.000 claims description 21
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/14—Direct drive between power plant and rotor hub
-
- 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
- B64C11/02—Hub construction
-
- 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
- B64C11/02—Hub construction
- B64C11/04—Blade mountings
- B64C11/06—Blade mountings for variable-pitch 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
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/325—Blade pitch-changing mechanisms mechanical comprising feathering, braking or stopping systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- 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
- B64C27/56—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated
- B64C27/57—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust
-
- 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
- B64C29/0025—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 the propellers being fixed relative to the fuselage
-
- 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
- B64D35/00—Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/25—Fixed-wing aircraft
-
- 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
- B64U50/19—Propulsion using electrically powered motors
-
- 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
- B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/20—Transmission of mechanical power to rotors or propellers
- B64U50/23—Transmission of mechanical power to rotors or propellers with each propulsion means having an individual motor
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Remote Sensing (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Mechanical Operated Clutches (AREA)
- Toys (AREA)
Description
Claims (15)
- プロペラであって、
シャフトと、
前記シャフトの回りに設けられるクラッチ機構と、を備え、
前記クラッチ機構は更に、
前記シャフトに近接する第1位置と前記シャフトから離隔した第2位置との間で、前記プロペラの第1面に枢動可能に装着される少なくとも1つのアームと、
前記少なくとも1つのアームを前記第1位置に推進させる付勢力を作用させる少なくとも1つの付勢部材と、を有し、
前記アームは、前記シャフトと一緒に回転しない少なくとも1つのポストと接触するように構成され、
前記クラッチ機構は、前記アームが前記第1の位置にある状態で、前記プロペラの回転を阻止し、前記アームが前記第2の位置にあるときのプロペラの回転を許すプロペラ。 - 前記少なくとも1つのアームは、枢動可能な締結具により前記プロペラの前記第1面に枢動可能に装着され、
前記少なくとも1つのアームは、加重端部と、前記加重端部に対して鈍角に設けられる先細状端部とを有し、
前記加重端部の第1質量は、前記先細状端部の第2質量を越える、請求項1に記載のプロペラ。 - 前記少なくとも1つの付勢部材は、前記加重端部に前記付勢力を作用させる、請求項2に記載のプロペラ。
- 前記加重端部における遠心力は、前記プロペラの角速度が所定閾値を越えるときに、前記付勢力を越える、請求項3に記載のプロペラ。
- 前記クラッチ機構は、前記少なくとも1つのアームが前記第1位置にあるときに、少なくとも1つのポストに接触するように構成され、
前記クラッチ機構は、前記少なくとも1つのアームが前記第2位置にあるときに、前記少なくとも1つのポストに接触することなく回転するように構成される、請求項1,2,3または4のいずれかに記載のプロペラ。 - 前記プロペラの前記第1面に結合される取付板を更に備え、
前記少なくとも1つのアームは、前記取付板に枢動可能に装着される、請求項1,2,3,4または5のいずれかに記載のプロペラ。 - 前記取付板に装着される機械的ストッパを更に備え、
前記機械的ストッパは、前記少なくとも1つのアームが前記第2位置を越えて枢動するのを阻止するように整列される、請求項6に記載のプロペラ。 - 前記少なくとも1つのアームは、
金属、
プラスチック、
木材、または、
複合材料の少なくとも1つから形成される、請求項1,2,3,4,5,6または7のいずれかに記載のプロペラ。 - 前記少なくとも1つの付勢部材は、
引張ばね、
圧縮ばね、
引張コイルばね、
トーションばね、
板ばね、または、
定力ばねの少なくとも1つである、請求項1,2,3,4,5,6,7または8のいずれかに記載のプロペラ。 - 前記少なくとも1つのアームは、第1加重端部と前記第1加重端部に対して鈍角に設けられる第1先細状端部とを有する第1アームと、第2加重端部と前記第2加重端部に対して鈍角に設けられる第2先細状端部とを有する第2アームとを備え、
前記第1アームは、第1枢動可能締結具により前記プロペラの前記第1面に枢動可能に装着され、前記第2アームは、第2枢動可能締結具により前記プロペラの前記第1面に枢動可能に装着される、請求項1,2,3,4,5,6,7,8または9のいずれかに記載のプロペラ。 - 前記少なくとも1つの付勢部材は、前記第1加重端部と前記第2加重端部とに結合される第1付勢部材と、前記第2加重端部と前記第1締結具とに結合される第2付勢部材とを有し、
前記第1付勢部材は、前記第1加重端部に第1付勢力を作用させ、前記第2付勢部材は、前記第2加重端部に第2付勢力を作用させる、請求項10に記載のプロペラ。 - 航空機を操作する方法であって、
第1モータに連結される第1プロペラを有する前記第1モータの作動を開始することを含み、
前記航空機は、前記第1モータと前記第1プロペラとの間に整列する軸を画定する第1ポストと第2ポストとを有し、
前記第1プロペラは、前記第1クラッチ機構の開位置または閉位置の一方を画定する少なくとも1つの第1アームを有する第1クラッチ機構と、前記第1クラッチ機構の前記閉位置を画定するように少なくとも前記第1アームを付勢する少なくとも1つの付勢部材とを有し、
前記1アームは、第1質量の加重端部と、前記加重端部に対して鈍角に設けられ前記第1質量より軽い第2質量の先細状端部とを有し、
前記第1クラッチ機構の少なくとも一部は、前記第1クラッチ機構が前記閉位置にあるときに、前記第1ポストまたは前記第2ポストに接触するように整列し、更に、
前記第1クラッチ機構は、前記第1クラッチ機構が前記開位置にあるときに、前記第1ポストまたは前記第2ポストに接触することなく回転するように整列する、
方法。 - 前記第1プロペラの角速度が第1所定閾値を越えたときに、前記少なくとも1つの付勢部材により前記第1アームに作用する付勢力を越えて前記第1モータの前記作動を開始した後に、遠心力が少なくとも前記第1アームに作用する、請求項12に記載の方法。
- 前記第1モータの前記作動を停止することを更に備える、請求項13に記載の方法。
- 複数のモータの作動を開始することであって、前記複数のモータのそれぞれが複数のプロペラの1つに連結され、前記第1モータは、前記複数のモータの1つであり、前記第1プロペラは、前記複数のプロペラの1つである、前記複数のモータの作動を開始することを更に備え、
前記第2モータの前記作動は、前記複数のモータの前記作動が開始した後に停止される、請求項14に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/966,493 | 2015-12-11 | ||
US14/966,493 US10994836B2 (en) | 2015-12-11 | 2015-12-11 | Feathering propeller clutch mechanisms |
PCT/US2016/065321 WO2017123347A2 (en) | 2015-12-11 | 2016-12-07 | Feathering propeller clutch mechanisms |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018533523A JP2018533523A (ja) | 2018-11-15 |
JP6578451B2 true JP6578451B2 (ja) | 2019-09-18 |
Family
ID=59018898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018545139A Active JP6578451B2 (ja) | 2015-12-11 | 2016-12-07 | フェザープロペラクラッチ機構 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10994836B2 (ja) |
EP (1) | EP3386852A2 (ja) |
JP (1) | JP6578451B2 (ja) |
CN (1) | CN108473192B (ja) |
CA (1) | CA3006066C (ja) |
WO (1) | WO2017123347A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4072941A4 (en) * | 2019-12-09 | 2024-01-03 | AeroVironment, Inc. | METHOD AND SYSTEMS FOR MAINTAINING LATERAL CONTROL OF AN UNMANNED AIRCRAFT DURING LANDING |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10464667B2 (en) * | 2016-09-29 | 2019-11-05 | Ampaire, Inc. | Oblique rotor-wing aircraft |
CN108860573B (zh) * | 2017-05-10 | 2020-09-29 | 中光电智能机器人股份有限公司 | 转动装置 |
US10994829B2 (en) * | 2017-09-22 | 2021-05-04 | The Boeing Company | Foldable rotor assembly for fixed-wing VTOL aircraft |
US11008095B2 (en) | 2018-01-10 | 2021-05-18 | Hangzhou Zero Zero Technology Co., Ltd. | Foldable rotor blade assembly and aerial vehicle with a foldable rotor blade assembly |
WO2020013264A1 (ja) * | 2018-07-11 | 2020-01-16 | 株式会社ナイルワークス | 飛行体 |
CN110040240B (zh) * | 2019-05-24 | 2023-09-22 | 安阳市豪克航空科技有限公司 | 单驱动螺旋桨变距、顺桨、停桨位锁定*** |
US11608159B2 (en) * | 2020-04-08 | 2023-03-21 | The Boeing Company | Scissoring propeller with centripetally actuated centering lever lock |
JP7497859B2 (ja) * | 2020-05-21 | 2024-06-11 | 国立大学法人千葉大学 | ロータ |
WO2021261369A1 (ja) * | 2020-06-25 | 2021-12-30 | ソニーグループ株式会社 | プロペラ取付装置及びプロペラ取付方法 |
KR102212086B1 (ko) * | 2020-09-08 | 2021-02-05 | 유한회사 우주무인항공산업 | 자가발전 기능을 갖는 드론 |
US11702943B2 (en) * | 2021-02-01 | 2023-07-18 | Pratt & Whitney Canada Corp. | Propeller control unit validation |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE18957E (en) * | 1933-09-26 | Propeller | ||
US783163A (en) * | 1904-08-04 | 1905-02-21 | Harry P Winn | Windmill. |
US1834350A (en) * | 1927-09-19 | 1931-12-01 | Rudolph W Schroeder | Propeller |
DE545053C (de) | 1929-11-20 | 1932-02-26 | Siemens & Halske Akt Ges | Bremsvorrichtung, insbesondere fuer Propeller bei Flugmetoren |
US1903628A (en) * | 1930-05-16 | 1933-04-11 | Perry R Mccormack | Airplane propeller |
US2464234A (en) * | 1943-11-13 | 1949-03-15 | Joseph H Jacobs | Centrifugally operated blade feathering device for propellers |
US3422700A (en) * | 1967-07-10 | 1969-01-21 | Ibm | Drive system for business machines |
US3715016A (en) * | 1970-09-29 | 1973-02-06 | Bendix Corp | Rotational rate regulator |
US3891347A (en) * | 1974-06-10 | 1975-06-24 | Marcellus L Jacobs | Clutch-controlled, wind-operated, power producing propeller |
US4297075A (en) * | 1979-05-14 | 1981-10-27 | Jacobs Marcellus L | Automatic storm protection control for wind energy system |
JPS6090571A (ja) | 1983-10-25 | 1985-05-21 | 豊田通商株式会社 | 防災装置を備えた薬品室 |
JPS6090571U (ja) * | 1983-11-28 | 1985-06-21 | 日産自動車株式会社 | エンジン始動装置 |
US4802872A (en) * | 1986-09-05 | 1989-02-07 | Robert Stanton | Regulated aeration of gases exhausting through a propeller |
DE8701950U1 (de) | 1987-02-10 | 1987-05-07 | Elfner, Willi, 6900 Heidelberg | Klapptriebwerk für motorbetriebene Segelflugzeuge oder Segelflugmodelle |
JPH0244142U (ja) | 1988-09-21 | 1990-03-27 | ||
US4909703A (en) * | 1988-12-02 | 1990-03-20 | Jacobs Paul R | Motion damping apparatus for wind driven propellers |
DE10040577B4 (de) * | 2000-08-18 | 2006-02-23 | König, Helmut, Ing. | Antriebseinrichtung für Flugzeuge |
US6478542B1 (en) * | 2001-04-19 | 2002-11-12 | Morris C. Elliott | Variable pitch propeller having centrifugal lock |
US7475847B2 (en) * | 2002-09-09 | 2009-01-13 | Gerbino Allen J | Retractable lifting blades for aircraft |
FR2849475B1 (fr) * | 2002-12-31 | 2005-07-08 | Pierre Dominique Travere | Eolienne a autoregulation du calage du pas de l'helice par un dispositif de masselotes centrifuges, de butee et de moyens de rappel ou de compression |
US7153100B2 (en) * | 2004-12-23 | 2006-12-26 | Fanimation, Inc. | Ceiling fan with retractable fan blades |
US7568888B2 (en) | 2006-10-24 | 2009-08-04 | Gm Global Technology Operations, Inc. | Fan blades having variable pitch compliantly responsive to a linear actuator |
WO2013066477A2 (en) | 2011-08-19 | 2013-05-10 | Aerovironment, Inc. | System for aligning a propeller |
US8864463B2 (en) * | 2011-09-30 | 2014-10-21 | Swiss Module Group Llc | Fan with power deployed fan blade |
US8602942B2 (en) | 2011-11-16 | 2013-12-10 | Zee.Aero Inc. | Centrifugal de-clutch |
CA2895491C (en) * | 2012-12-21 | 2017-07-11 | Bell Helicopter Textron Inc. | System and method for linkage length adjustment |
GB201305349D0 (en) * | 2013-03-24 | 2013-05-08 | Fearn Brian | Semi-automatic collective pitch rotor head for an autogyro |
FR3020850B1 (fr) | 2014-05-12 | 2016-05-13 | Valeo Embrayages | Mecanisme de filtration de fluctuations de couple |
US9540103B2 (en) * | 2014-06-24 | 2017-01-10 | Kitty Hawk Corporation | Passive deployment mechanism for lift fan |
US9878784B2 (en) * | 2015-12-11 | 2018-01-30 | Amazon Technologies, Inc. | Propeller alignment devices |
-
2015
- 2015-12-11 US US14/966,493 patent/US10994836B2/en active Active
-
2016
- 2016-12-07 CN CN201680072495.6A patent/CN108473192B/zh active Active
- 2016-12-07 WO PCT/US2016/065321 patent/WO2017123347A2/en active Application Filing
- 2016-12-07 CA CA3006066A patent/CA3006066C/en active Active
- 2016-12-07 EP EP16885411.5A patent/EP3386852A2/en active Pending
- 2016-12-07 JP JP2018545139A patent/JP6578451B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4072941A4 (en) * | 2019-12-09 | 2024-01-03 | AeroVironment, Inc. | METHOD AND SYSTEMS FOR MAINTAINING LATERAL CONTROL OF AN UNMANNED AIRCRAFT DURING LANDING |
Also Published As
Publication number | Publication date |
---|---|
WO2017123347A2 (en) | 2017-07-20 |
EP3386852A2 (en) | 2018-10-17 |
CA3006066C (en) | 2021-02-16 |
CA3006066A1 (en) | 2017-07-20 |
US10994836B2 (en) | 2021-05-04 |
CN108473192B (zh) | 2021-09-07 |
JP2018533523A (ja) | 2018-11-15 |
CN108473192A (zh) | 2018-08-31 |
WO2017123347A3 (en) | 2017-11-02 |
US20170166302A1 (en) | 2017-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6578451B2 (ja) | フェザープロペラクラッチ機構 | |
US11603193B2 (en) | Aircraft convertible between fixed-wing and hovering orientations | |
US9902493B2 (en) | VTOL aerodyne with supporting axial blower(s) | |
US8070090B2 (en) | Stop-rotor rotary wing aircraft | |
US9085355B2 (en) | Vertical takeoff and landing aircraft | |
US9994305B1 (en) | Coaxial drive propulsion system for aerial vehicles, and associated systems and methods | |
AU6777894A (en) | Ancillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors | |
US20160368597A1 (en) | Torque balanced, lift rotor module providing increased lift with few or no moving parts | |
US10479482B1 (en) | Propeller with passive variable pitch and rotatable base | |
IL175209A (en) | Methods and systems for starting propeller-driven devices | |
JP2020511365A (ja) | 垂直離着陸航空機 | |
US11319056B2 (en) | Wing-nacelle splice assemblies for tiltrotor aircraft | |
CA3162813A1 (en) | Aircraft with wingtip positioned propellers | |
US8998126B2 (en) | Lift generating device | |
WO2015185806A1 (fr) | Optimisation de la traînée d'un aéronef | |
US10661897B2 (en) | Vertical takeoff and landing aircraft having telescoping boom for lateral payload deployment counterbalanced through multi-axis thrust vectoring | |
JP2013203207A (ja) | 無人航空機及び無人航空機の発航方法 | |
Hunt | Autogyro Developments in North America |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180516 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190404 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190408 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190708 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190731 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190826 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6578451 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |