CN110248870A - 螺旋桨、动力装置及飞行器 - Google Patents

螺旋桨、动力装置及飞行器 Download PDF

Info

Publication number
CN110248870A
CN110248870A CN201780085126.5A CN201780085126A CN110248870A CN 110248870 A CN110248870 A CN 110248870A CN 201780085126 A CN201780085126 A CN 201780085126A CN 110248870 A CN110248870 A CN 110248870A
Authority
CN
China
Prior art keywords
blade
propeller
lateral margin
power device
wing fence
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.)
Pending
Application number
CN201780085126.5A
Other languages
English (en)
Inventor
刘翊涵
江彬
宋浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SZ DJI Technology Co Ltd
Original Assignee
SZ DJI Technology Co 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 SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Publication of CN110248870A publication Critical patent/CN110248870A/zh
Pending legal-status Critical Current

Links

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
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features

Abstract

一种螺旋桨、动力装置及飞行器。其中，所述螺旋桨包括：桨毂(10)和连接于所述桨毂(10)的桨叶(20)，所述桨叶(20)的表面设有多个翼刀(30)，所述多个翼刀(30)沿所述桨叶(20)的展向方向间隔设置。本发明的螺旋桨，通过在桨叶表面沿桨叶的展向方向间隔设置多个翼刀，可以有效减少桨叶在旋转过程中产生的沿展向方向运动的气流，降低桨叶表面的附面层向外翼方向流动的速度，避免螺旋桨的能量受到损失，提高螺旋桨单位功耗下的拉力，保证飞行器具有足够的动力，同时延长续航时间和续航距离，进而提高飞行器的飞行性能。

Description

PCT国内申请，说明书已公开。

Claims (42)

  1. PCT国内申请，权利要求书已公开。
CN201780085126.5A 2017-06-26 2017-07-31 螺旋桨、动力装置及飞行器 Pending CN110248870A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2017207542965 2017-06-26
CN201720754296.5U CN206968981U (zh) 2017-06-26 2017-06-26 螺旋桨、动力装置及飞行器
PCT/CN2017/095237 WO2019000547A1 (zh) 2017-06-26 2017-07-31 螺旋桨、动力装置及飞行器

Publications (1)

Publication Number Publication Date
CN110248870A true CN110248870A (zh) 2019-09-17

Family

ID=61405865

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201720754296.5U Active CN206968981U (zh) 2017-06-26 2017-06-26 螺旋桨、动力装置及飞行器
CN201780085126.5A Pending CN110248870A (zh) 2017-06-26 2017-07-31 螺旋桨、动力装置及飞行器

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201720754296.5U Active CN206968981U (zh) 2017-06-26 2017-06-26 螺旋桨、动力装置及飞行器

Country Status (2)

Country Link
CN (2) CN206968981U (zh)
WO (1) WO2019000547A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206968981U (zh) * 2017-06-26 2018-02-06 深圳市大疆创新科技有限公司 螺旋桨、动力装置及飞行器
CN108545172A (zh) * 2018-06-14 2018-09-18 赵忠东 一种空气螺旋桨

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077928A (zh) * 1992-04-23 1993-11-03 北京航空航天大学 桨刀式螺旋桨
CN101224789A (zh) * 2008-02-03 2008-07-23 吴云龙 空气中钉鞋式螺旋桨
US20100266428A1 (en) * 2008-01-07 2010-10-21 Suguru Nakagawa Propeller fan
CN203172884U (zh) * 2013-04-16 2013-09-04 潘洪怀 机动船螺旋浆
CN103612733A (zh) * 2013-12-02 2014-03-05 江苏科技大学 防径向扰流船舶螺旋桨
CN104986313A (zh) * 2015-08-05 2015-10-21 李清林 多凹型面螺旋桨
CN206968981U (zh) * 2017-06-26 2018-02-06 深圳市大疆创新科技有限公司 螺旋桨、动力装置及飞行器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1077928A (zh) * 1992-04-23 1993-11-03 北京航空航天大学 桨刀式螺旋桨
US20100266428A1 (en) * 2008-01-07 2010-10-21 Suguru Nakagawa Propeller fan
CN101224789A (zh) * 2008-02-03 2008-07-23 吴云龙 空气中钉鞋式螺旋桨
CN203172884U (zh) * 2013-04-16 2013-09-04 潘洪怀 机动船螺旋浆
CN103612733A (zh) * 2013-12-02 2014-03-05 江苏科技大学 防径向扰流船舶螺旋桨
CN104986313A (zh) * 2015-08-05 2015-10-21 李清林 多凹型面螺旋桨
CN206968981U (zh) * 2017-06-26 2018-02-06 深圳市大疆创新科技有限公司 螺旋桨、动力装置及飞行器

Also Published As

Publication number Publication date
WO2019000547A1 (zh) 2019-01-03
CN206968981U (zh) 2018-02-06

Similar Documents

Publication Publication Date Title
Hein et al. Hover performance of a micro air vehicle: rotors at low Reynolds number
JP6184736B2 (ja) 渦発生装置
US20070262205A1 (en) Retractable multiple winglet
CN202642093U (zh) 螺旋桨及具有该螺旋桨的飞行器
CN104139849A (zh) 一种具有提高高空桨效率的桨梢小翼及高空桨
CN207826548U (zh) 一种高效低噪旋翼
CN205524939U (zh) 螺旋桨、动力组件及飞行器
CN103171766A (zh) 短距起降无人飞翼
CN206155775U (zh) 螺旋桨、动力组件及飞行器
CN108163192A (zh) 一种高效低噪旋翼
CN104044736B (zh) 无人直升机旋翼桨尖
CN110606189A (zh) 一种被动式条件启动涡发生器及其工作方法
CN110248870A (zh) 螺旋桨、动力装置及飞行器
CN203666968U (zh) 一种下反式机翼小翼尖结构
US20140064979A1 (en) Multicant Winglets
CN108482666A (zh) 一种渐变螺距多段式开缝螺旋桨
CN103523223B (zh) 飞翼布局的横航向控制系统及横航向控制方法
CN110214110A (zh) 螺旋桨、动力组件及飞行器
CN203740120U (zh) 宽飞行包线变体飞行器的气动结构
CN109937174A (zh) 螺旋桨、动力组件及飞行器
CN111452954A (zh) 一种机翼碎涡结构、机翼及飞机
CN105346720B (zh) 桨叶、螺旋桨及无人飞行器
CN104816827A (zh) 一种翼尖后掠下反的低诱导阻力直升机旋翼
CN104097770B (zh) 一种直升机主转翼用翼片
CN106828872B (zh) 采用支撑尾翼的高后翼高空长航时串列翼飞行器气动布局

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190917

WD01 Invention patent application deemed withdrawn after publication