KR102681690B1 - 스테이터 및 이를 이용한 프로펠러 구동장치용 bldc 모터 - Google Patents
스테이터 및 이를 이용한 프로펠러 구동장치용 bldc 모터 Download PDFInfo
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- KR102681690B1 KR102681690B1 KR1020210054975A KR20210054975A KR102681690B1 KR 102681690 B1 KR102681690 B1 KR 102681690B1 KR 1020210054975 A KR1020210054975 A KR 1020210054975A KR 20210054975 A KR20210054975 A KR 20210054975A KR 102681690 B1 KR102681690 B1 KR 102681690B1
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 120
- 239000012212 insulator Substances 0.000 claims abstract description 63
- 239000002131 composite material Substances 0.000 claims abstract description 52
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000011159 matrix material Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 13
- 239000012783 reinforcing fiber Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 description 17
- 229920003023 plastic Polymers 0.000 description 17
- 230000008878 coupling Effects 0.000 description 15
- 238000010168 coupling process Methods 0.000 description 15
- 238000005859 coupling reaction Methods 0.000 description 15
- 239000003507 refrigerant Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000004734 Polyphenylene sulfide Substances 0.000 description 6
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- 229920000069 polyphenylene sulfide Polymers 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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- 238000005507 spraying Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- -1 and for example Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical group [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
-
- 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
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/12—Machines characterised by the bobbins for supporting the windings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
본 발명에 따른 스테이터는 자기회로를 형성하도록 소정의 폭을 갖는 환형의 백요크와 상기 백요크로부터 복수의 티스가 중심방향으로 뻗어 있는 스테이터 코어; 상기 복수의 티스 각각에서 코일이 권선될 외주면을 감싸도록 형성되는 인슐레이터; 및 상기 복수의 티스 각각에서 인슐레이터의 외주면에 권선되는 스테이터 코일;을 포함하며, 상기 인슐레이터는 방열성능 및 절연성능을 동시에 갖는 절연성 방열복합재로 형성되는 것을 특징으로 한다.
Description
도 2a 및 도 2b는 각각 본 발명에 따른 프로펠러 구동장치를 나타내는 평면 및 도 2a의 A-A선 단면도이다.
도 3은 본 발명에 따른 프로펠러 구동장치의 일부 절개 사시도이다.
도 4는 본 발명에 따른 프로펠러 구동장치의 분해 사시도이다.
도 5는 본 발명에 따른 프로펠러 구동장치의 로터 분해 사시도이다.
도 6은 본 발명에 따른 프로펠러 구동장치의 스테이터 분해 사시도이다.
도 7은 본 발명에 따라 절연성 방열복합재로 인슐레이터(또는 보빈)를 형성한 실시예와 방열 플라스틱을 적용하지 않은 비교예의 각 상별 온도를 나타내는 그래프이다.
방열 플라스틱 적용 여부 | 공냉 블레이드 적용 여부 | U상 온도 [℃] |
V상 온도 [℃] |
W상 온도 [℃] |
|
실험예 1 | × | × | 129.2 | 127.8 | 120.4 |
실험예 2 | × | ○ | 105.4 | 103.3 | 94.3 |
실험예 3 | ○ | × | 102.2 | 96.9 | 88.4 |
실험예 4 | ○ | ○ | 90.6 | 88.8 | 82.8 |
16: 상부 커버 16e,18e: 관통구멍
18: 하부 커버 20: 프로펠러 설치 브라켓
30: 로터 31: 백요크
32: 마그넷 33: 림
34: 브릿지 35: 허브
36: 로터 지지체 37a,37b: 블레이드
40: 스테이터 41: 스테이터 코어
42a,42b: 인슐레이터 43: 스테이터 코일
44: 스테이터 지지체 45: 케이블
46: 워터 자켓 50: 회전축
51,52: 베어링 100: 모터
200: 경비행기 210: 동체
220: 콘트롤 박스
Claims (10)
- 자기회로를 형성하도록 소정의 폭을 갖는 환형의 백요크와 상기 백요크로부터 복수의 티스가 중심방향으로 뻗어 있는 스테이터 코어;
상기 복수의 티스 각각에서 코일이 권선될 외주면을 감싸도록 사출성형에 의해 형성되는 인슐레이터;
상기 복수의 티스 각각에서 상기 인슐레이터의 외주면에 권선되는 스테이터 코일; 및
상기 인슐레이터에 권선된 스테이터 코일을 둘러싸면서 인접하는 코일과 코일 사이를 절연하면서 방열 특성을 갖는 스테이터 지지체;를 포함하며,
상기 스테이터 지지체는 인서트 몰딩에 의해 일체로 형성되고,
상기 인슐레이터는 방열성능 및 절연성능을 동시에 갖는 제1 절연성 방열복합재로 형성되고, 상기 스테이터 지지체는 방열성능 및 절연성능을 동시에 갖는 제2 절연성 방열복합재로 형성되며,
상기 제1 및 제 2 절연성 방열복합재는,
연속 사용온도가 150℃ 이상이며, 바인더 역할을 하는 고분자 매트릭스; 열전도성 향상을 위해 상기 고분자 매트릭스에 첨가되어 분산되는 세라믹으로 이루어진 절연성 방열필러; 및 강도 보강을 위해 상기 고분자 매트릭스에 첨가되는 보강 섬유;를 포함하고,
상기 제2 절연성 방열복합재는 제1 절연성 방열복합재보다 방열 필러의 함량을 증가시킨 BLDC 모터용 스테이터. - 제1항에 있어서,
상기 인슐레이터는 티스 각각에서 코일이 권선될 외주면을 감싸는 상부 및 하부 인슐레이터로 구성되고,
상기 상부 및 하부 인슐레이터는 각각
소정 폭으로 이루어진 환형의 베이스 프레임; 및
상기 베이스 프레임으로부터 돌출되어 티스의 권선영역을 상부와 하부에서 1/2씩 수용하는 복수의 티스 수용부;를 포함하는 BLDC 모터용 스테이터. - 제1항에 있어서,
상기 인슐레이터는 사전에 미리 상부 및 하부 인슐레이터로 제작된 후, 스테이터 코어에 조립되는 BLDC 모터용 스테이터. - 삭제
- 제1항에 있어서,
상기 스테이터 지지체의 직경방향 외측면은 스테이터의 외측에 설치되는 워터 자켓과 접촉하는 BLDC 모터용 스테이터. - 제1항에 있어서,
상기 스테이터 지지체는 로터의 마그넷과 대향한 스테이터 코어의 슈 부분만 노출되는 BLDC 모터용 스테이터. - 삭제
- 제1항에 있어서,
상기 제1 및 제 2 절연성 방열복합재는 10Kv 이상의 절연성능과 3W/mK 이상의 열전도도를 갖는 BLDC 모터용 스테이터. - 원통형 케이스의 상부와 하부에 상부 커버와 하부 커버가 각각 결합된 하우징;
상기 하우징의 케이스 내측에 배치되며 회전 자계를 발생하는 스테이터;
상기 스테이터의 회전 자계에 의해 회전되는 로터; 및
상기 로터의 중앙에 결합되며 선단부에 프로펠러가 결합된 회전축;을 포함하며,
상기 스테이터는 제1항 내지 제3항, 제5항, 제6항 및 제8항 중 어느 한 항에 기재된 스테이터인 프로펠러 구동장치용 BLDC 모터. - 제9항에 있어서,
상기 모터는 외부로부터 상부 커버에 구비된 복수의 관통구멍, 회전축과 로터 사이를 연결하는 복수의 브릿지 사이에 형성된 복수의 공간 및 하부 커버에 구비된 복수의 관통구멍을 경유하는 공기흐름통로를 구비하며,
상기 공기흐름통로를 이용하여 내측 공냉이 이루어지는 프로펠러 구동장치용 BLDC 모터.
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PCT/KR2022/005734 WO2022231211A1 (ko) | 2021-04-26 | 2022-04-21 | 스테이터, 이를 이용한 프로펠러 구동장치 및 항공기 |
US18/286,663 US20240380284A1 (en) | 2021-04-26 | 2022-04-21 | Stator, and propeller driving apparatus and aircraft using the same |
EP22796044.0A EP4333263A1 (en) | 2021-04-26 | 2022-04-21 | Stator, and propeller driving apparatus and aircraft using same |
CN202280030047.5A CN117223194A (zh) | 2021-04-26 | 2022-04-21 | 定子、利用其的螺旋桨驱动装置及航空器 |
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