WO2022220591A1 - 모터 - Google Patents
모터 Download PDFInfo
- Publication number
- WO2022220591A1 WO2022220591A1 PCT/KR2022/005365 KR2022005365W WO2022220591A1 WO 2022220591 A1 WO2022220591 A1 WO 2022220591A1 KR 2022005365 W KR2022005365 W KR 2022005365W WO 2022220591 A1 WO2022220591 A1 WO 2022220591A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- bearing housing
- rotor
- rotor core
- bearing
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000004323 axial length Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000012212 insulator Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
-
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- 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
-
- 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
- H02K7/003—Couplings; Details of shafts
-
- 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
- H02K7/08—Structural association with bearings
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Definitions
- the embodiment relates to a motor.
- the motor is a shaft. It includes a rotor and a stator. The rotor and stator are included in the housing.
- the stator may include a stator core and a coil wound around the stator core.
- the shaft may be a hollow member.
- a bearing supporting the shaft may support one side and the other side of the shaft, respectively.
- one side of the shaft may be coupled to the bearing housing, and the bearing may support the bearing housing.
- the embodiment is intended to solve the above problems, and an object thereof is to provide a motor capable of reducing the size of the motor in the axial direction.
- An embodiment for achieving the above object includes a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor, a bearing housing coupled to the shaft, and a bearing supporting the bearing housing, , the rotor includes a rotor core and a magnet coupled to the rotor core, and the bearing housing has a first surface in contact with the bearing, a second surface in contact with the rotor core, and a third surface in contact with the shaft.
- a motor comprising the may be provided.
- An embodiment includes a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor, a bearing housing coupled to the shaft, and a bearing supporting the bearing housing, wherein the rotor includes a rotor core and and a magnet coupled to the rotor core, wherein the rotor core includes a first region having a first inner diameter and a second region having a second inner diameter greater than the first inner diameter, and wherein the shaft has a second region having a first outer diameter.
- a motor comprising a first region and a second region having a second outer diameter less than the first outer diameter
- the bearing housing includes an end portion disposed between the second region of the rotor core and the second region of the shaft.
- the embodiment includes a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor, and a bearing housing coupled to the shaft; and a bearing supporting the bearing housing, wherein the rotor includes a rotor core and a magnet coupled to the rotor core, and the bearing housing includes an insertion region inserted between the shaft and the rotor core, It is possible to provide a motor that overlaps the shaft with an insertion region in an axial direction and does not overlap the bearing in a direction perpendicular to the axial direction.
- the embodiment includes a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor and including a coil, a bearing housing coupled to the shaft, and a bearing supporting the bearing housing, the rotor may include a rotor core and a magnet coupled to the rotor core, wherein the bearing housing is disposed between the rotor core and the shaft, and the bearing is disposed between the bearing housing and the coil.
- the size of the motor in the axial direction can be reduced by locating a part of the bearing housing inside the rotor core.
- the bearing housing is configured to contact the stopper disposed on the inner circumferential surface of the rotor core, and when assembling the rotor core and the shaft, there is an advantage that the axial position of the rotor core can be precisely set.
- the outer surface of the bearing housing is used as a region to be fitted to the rotor core and a region to support the bearing, and the inner surface of the bearing housing is used as a structure to support the shaft of an external device, thereby increasing the usability of parts. .
- FIG. 1 is a view showing a motor according to an embodiment
- Figure 2 is a view showing the shaft shown in Figure 1;
- FIG. 3 is a side cross-sectional view of the shaft taken along line A-A of FIG. 2;
- Figure 4 is a view showing the rotor core shown in Figure 1;
- FIG. 5 is a side cross-sectional view of the shaft taken along the line B-B of FIG. 2;
- FIG. 6 is a view showing a bearing housing
- FIG. 7 is a side cross-sectional view of the bearing housing taken along line C-C of FIG. 6;
- FIG. 10 is an enlarged view of the area indicated by F of FIG. 9 .
- the direction parallel to the longitudinal direction (up and down direction) of the shaft is called the axial direction
- the direction perpendicular to the axial direction with respect to the shaft is called the radial direction
- the direction along a circle having a radial radius around the shaft is the circumference called the direction.
- FIG. 1 is a diagram illustrating a motor according to an embodiment.
- the motor may include a shaft 100 , a rotor 200 , a stator 300 , and a housing 400 .
- inside indicates a direction from the housing 400 toward the shaft 100, which is the center of the motor
- outside indicates a direction opposite to the inside, which is a direction from the shaft 100 to the direction of the housing 400.
- the following radial direction is based on the axial center of the shaft 100 .
- the shaft 100 may be coupled to the rotor 200 .
- the shaft 100 may be a hollow member.
- the shaft of the external device may enter the shaft 100 .
- the rotor 200 rotates through electrical interaction with the stator 300 .
- the rotor 200 may be disposed inside the stator 300 .
- the stator 300 is disposed outside the rotor 200 .
- the stator 300 may include a stator core 310 , an insulator 320 mounted on the stator core 310 , and a coil 330 .
- the coil 330 may be wound around the insulator 320 .
- the insulator 320 is disposed between the coil 330 and the stator core 310 to electrically insulate the stator core 310 and the coil 330 from each other.
- the coil 330 causes an electrical interaction with the magnet of the rotor 200 .
- the stator 300 and the rotor 200 are disposed inside the housing 400 .
- the bearing housing 500 is disposed inside the housing 400 .
- the bearing housing 500 serves to support the bearing 600 and the shaft entering the inside of the shaft 100 together.
- the bearing housing 500 is coupled to the end 120 of the shaft 100 .
- the bearing housing 500 is disposed near the bottom surface of the housing 400 .
- the bearing housing 500 is in contact with the inner ring 610 of FIG. 8 of the bearing 600 .
- the bearing 600 is fixed to the housing 400 . And the bearing 600 rotatably supports the bearing housing 500 .
- FIG. 2 is a view showing the shaft 100 shown in FIG. 1
- FIG. 3 is a side cross-sectional view of the shaft 100 taken along line A-A of FIG. 2 .
- the shaft 100 may include a third area A3 and a fourth area A4 having different outer diameters.
- the fourth area A4 is disposed at an end of the third area A3 in the axial direction.
- the third area A3 has a first outer diameter OD1
- the fourth area A4 has a second outer diameter OD2 smaller than the first outer diameter OD1 .
- the outer circumferential surface of the third area A3 and the outer circumferential surface of the fourth area A4 may be disposed to have a step difference.
- the third area A3 is an area in which the rotor core 210 is fitted
- the fourth area A4 is an area in contact with the bearing housing 500 .
- the shaft of the external device may be positioned inside the shaft 100 .
- FIG. 4 is a view showing the rotor core 210 shown in FIG. 1
- FIG. 5 is a side cross-sectional view of the shaft 100 taken along line B-B of FIG. 2 .
- the rotor core 210 may have a hole 211 penetrating in the axial direction at the center thereof.
- the shaft 100 is disposed in the hole 211 .
- the rotor core 210 may include a plurality of grooves G disposed on the inner circumferential surface.
- the groove G is concavely formed on the inner circumferential surface of the rotor core 210 and may be formed along the axial direction.
- the plurality of grooves G may be disposed at equal intervals along the circumferential direction of the rotor core 210 .
- the rotor core 210 may include a first area A1 and a second area A2 divided along the axial direction.
- the first area A1 has a first inner diameter ID1
- the second area A2 has a second inner diameter ID2 .
- the inner circumferential surface of the first area A1 and the inner circumferential surface of the second area A2 may be stepped to form the stopper ST.
- the stopper ST comes into contact with the end portion 511 of the bearing housing 500 to increase the insertion depth of the insertion region of the bearing housing 500 when the rotor core 210 and the bearing housing 500 are assembled. By limiting, it serves to determine the axial position of the rotor core 210 .
- the inner circumferential surface of the first area A1 corresponds to an area in contact with the outer circumferential surface of the shaft 100
- the inner circumferential surface of the second area A2 corresponds to an area in contact with the bearing housing 500 . Since the second area A2 is formed to be stepped with respect to the first area A1 , a space in which the bearing housing 500 can be disposed inside the rotor core 210 is secured. Meanwhile, the axial length L1 of the first area A1 may be greater than the axial length L2 of the second area A2 .
- the coupling force between the rotor core 210 and the shaft 100 may decrease, so that at least the second The axial length L1 of the first region A1 may be greater than the axial length L2 of the second region A2.
- FIG. 6 is a view showing the bearing housing 500
- FIG. 7 is a side cross-sectional view of the bearing housing 500 taken along line C-C of FIG. 6 .
- the bearing housing 500 includes an outer surface and an inner surface.
- the outer surface of the bearing housing 500 may include a first surface S1 and a second surface S2 .
- the first surface S1 is a surface in contact with the inner ring 610 of FIG. 8 of the bearing 600 and may be a part of the outer peripheral surface of the bearing housing 500 .
- the second surface S2 is a surface in contact with the inner circumferential surface of the shaft 100 and may be a part of the outer circumferential surface of the bearing housing 500 .
- the inner surface of the bearing housing 500 may include a third surface S3 .
- the third surface S3 is an area in contact with the outer peripheral surface of the fourth area A4 of the shaft 100 .
- the bearing housing 500 may be divided into a first part 510 and a second part 520 along the axial direction.
- the outer peripheral surface of the first part 510 corresponds to the second surface S2 .
- the outer peripheral surface of the second part 520 corresponds to the first surface S1 .
- the first part 510 may include an end portion 511 and a stepped region 512 .
- the end portion 511 corresponds to an insertion region inserted between the shaft 100 and the rotor core 210 in the radial direction.
- the end portion 511 may be disposed between the second area A2 of the rotor core 210 and the fourth area A4 of the shaft 100 in the radial direction.
- This insertion region is disposed to overlap the shaft 100 in the axial direction, and has a characteristic that it does not overlap the bearing in the direction perpendicular to the axial direction. Also, the entire insertion region does not overlap the bearing in a direction perpendicular to the axial direction.
- the inner diameter ID3 of the end portion 511 is the same as the second outer diameter OD2 of the shaft 100 . Accordingly, the end portion 511 may be fitted to the outside of the shaft 100 .
- the outer diameter OD3 of the end portion 511 is the same as the second inner diameter ID2 of the rotor core 210 . Accordingly, the end portion 511 may be fitted to the inside of the rotor core 210 .
- the stepped region 512 extends from the end portion 511 .
- the outer diameter of the stepped region 512 is the same as the outer diameter OD3 of the end portion 511 .
- the inner diameter of the stepped region 512 is smaller than the inner diameter ID3 of the end portion 511 .
- the bearing housing 500 may include a stepped surface 530 in contact with the end of the shaft 100 .
- the stepped surface 530 is one surface of the stepped region 512 and may be in contact with the end of the fourth region A4 of the shaft 100 .
- the inner diameter of the end portion 511 of the bearing housing 500 is the same as the second outer diameter OD2 of the shaft 100 .
- the outer diameter of the end portion 511 of the bearing housing 500 is equal to the second inner diameter ID2 of the rotor core 210 .
- the fourth region A4 of the shaft 100 may be fitted to the end portion 511 of the bearing housing 500 .
- the end portion 511 of the bearing housing 500 may be fitted to the second area A2 of the rotor core 210 .
- FIG 8 is a view illustrating an assembly process of the shaft 100 and the rotor.
- the bearing housing 500 is assembled to the shaft 100 .
- the bearing housing 500 may be inserted into the fourth region A4 of the shaft 100 , and the vicinity of the boundary between the shaft 100 and the bearing housing 500 may be welded.
- the rotor 200 may be assembled to the shaft 100 .
- the vicinity of the boundary between the shaft 100 and the rotor 200 may be welded.
- the vicinity of the boundary between the shaft 100 and the bearing housing 500 may be welded.
- FIG. 9 is a sectional side view of the motor showing the vicinity of the bearing housing 500
- FIG. 10 is an enlarged view of the area indicated by F of FIG. 9 .
- the bearing housing 500 is coupled to the rotor core 210 together with the shaft 100 as well as the bearing 600 .
- a portion of the first part 510 of the bearing housing 500 is located inside the rotor core 210 .
- the inner ring 610 of the bearing 600 is in contact with the first surface S1 of the bearing housing 500 .
- the second surface S2 of the bearing housing 500 is in contact with the inner peripheral surface of the rotor core 210 .
- the third surface S3 of the bearing housing 500 is in contact with the outer peripheral surface of the fourth area A4 of the shaft 100 .
- the end portion 511 of the bearing housing 500 is disposed between the rotor core 210 and the fourth area A4 of the shaft 100 in the radial direction.
- the housing 400 may include a side wall 410 that forms a space accommodating the bearing 600 therein.
- the side wall 410 is in contact with the outer ring 620 of the bearing 600 to fix the bearing 600 .
- the housing 400 may include a folding part 420 that is bent at the sidewall 410 and disposed in a folded form on the sidewall 410 . As shown in FIG. 1 , the folded portion 420 is disposed to overlap the insulator 320 and the coil 330 in the radial direction.
- the bearing 600 is disposed between the bearing housing 500 and the coil 330 in the radial direction. Therefore. A portion of the bearing 600 may be disposed to overlap a portion of the coil 330 in a radial direction.
- the bearing housing 500 is disposed to overlap the rotor core 210 in the radial direction, thereby increasing the axial length of the motor by the depth H at which the bearing housing 500 is inserted into the rotor core 210 .
- the above-described embodiment may be used in various devices such as for vehicles or home appliances.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
Claims (10)
- 샤프트;상기 샤프트에 결합된 로터;상기 로터와 대응되게 배치되는 스테이터;상기 샤프트와 결합되는 베어링 하우징; 및상기 베어링 하우징을 지지하는 베어링을 포함하고,상기 로터는 로터 코어 및 상기 로터 코어에 결합된 마그넷을 포함하고,상기 베어링 하우징은 상기 베어링과 접촉하는 제1 면, 상기 로터 코어와 접촉하는 제2 면, 상기 샤프트와 접촉하는 제3 면을 포함하는 모터.
- 제1 항에 있어서,상기 제1 면 및 상기 제2 면은 상기 베어링 하우징의 외면이고, 상기 제3 면은 상기 베어링 하우징의 내면인 모터.
- 샤프트;상기 샤프트에 결합된 로터;상기 로터와 대응되게 배치되는 스테이터;상기 샤프트와 결합되는 베어링 하우징; 및상기 베어링 하우징을 지지하는 베어링을 포함하고,상기 로터는 로터 코어 및 상기 로터 코어에 결합된 마그넷을 포함하고,상기 로터 코어는 제1 내경을 갖는 제1 영역과 제1 내경보다 큰 제2 내경을 갖는 제2 영역을 포함하고,상기 샤프트는 제1 외경을 갖는 제1 영역과 제1 외경보다 작은 제2 외경을 갖는 제2 영역을 포함하고,상기 베어링 하우징은 상기 로터 코어의 제2 영역과 상기 샤프트의 제2 영역 사이에 배치되는 끝단부를 포함하는 모터.
- 제3 항에 있어서,상기 베어링 하우징의 끝단부의 내경은 상기 샤프트의 제2 외경과 같고,상기 베어링 하우징의 끝단부의 외경은 상기 로터 코어의 제2 내경과 같은 모터.
- 제3 항에 있어서,상기 베어링 하우징은 상기 끝단부에서 연장되고, 상기 끝단부의 외경과 동일한 외경과 상기 끝단부의 내경보다 작은 내경을 갖는 단턱 영역을 포함하는 모터.
- 샤프트;상기 샤프트에 결합된 로터;상기 로터와 대응되게 배치되는 스테이터;상기 샤프트와 결합되는 베어링 하우징; 및상기 베어링 하우징을 지지하는 베어링을 포함하고,상기 로터는 로터 코어 및 상기 로터 코어에 결합된 마그넷을 포함하고,상기 베어링 하우징은 상기 샤프트와 상기 로터 코어 사이에 삽입되는 삽입영역을 포함하고상기 삽입영역을 축 방향으로 상기 샤프트와 오버랩되고, 축 방향과 수직한 방향으로 상기 베어링과 오버랩되지 않는 모터.
- 제6 항에 있어서,상기 삽입영역의 전체는 상기 베어링과 축 방향과 수직한 방향으로 오버랩되지 않는 모터.
- 제6 항에 있어서,상기 로터 코어는 상기 삽입영역의 삽입 깊이를 제한하는 스토퍼를 포함하는 모터.
- 샤프트;상기 샤프트에 결합된 로터;상기 로터와 대응되게 배치되고 코일을 포함하는 스테이터;상기 샤프트와 결합되는 베어링 하우징; 및상기 베어링 하우징을 지지하는 베어링을 포함하고,상기 로터는 로터 코어 및 상기 로터 코어에 결합된 마그넷을 포함하고,상기 베어링 하우징은 상기 로터 코어와 상기 샤프트 사이에 배치되고,상기 베어링은 상기 베어링 하우징과 상기 코일 사이에 배치되는 모터.
- 제9 항에 있어서,상기 코일의 일부와 상기 베어링의 일부는 축 방향과 수직한 방향으로 오버랩되는 모터.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2023563101A JP2024514332A (ja) | 2021-04-13 | 2022-04-13 | モータ |
CN202280028529.7A CN117178461A (zh) | 2021-04-13 | 2022-04-13 | 马达 |
US18/286,795 US20240195261A1 (en) | 2021-04-13 | 2022-04-13 | Motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020210047810A KR20220141556A (ko) | 2021-04-13 | 2021-04-13 | 모터 |
KR10-2021-0047810 | 2021-04-13 |
Publications (1)
Publication Number | Publication Date |
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WO2022220591A1 true WO2022220591A1 (ko) | 2022-10-20 |
Family
ID=83640794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2022/005365 WO2022220591A1 (ko) | 2021-04-13 | 2022-04-13 | 모터 |
Country Status (5)
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US (1) | US20240195261A1 (ko) |
JP (1) | JP2024514332A (ko) |
KR (1) | KR20220141556A (ko) |
CN (1) | CN117178461A (ko) |
WO (1) | WO2022220591A1 (ko) |
Citations (5)
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KR20110010231A (ko) * | 2009-07-24 | 2011-02-01 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR101188096B1 (ko) * | 2012-02-27 | 2012-10-08 | 삼성전기주식회사 | 베어링 조립체 및 이를 이용하는 모터 |
KR20130048827A (ko) * | 2011-11-03 | 2013-05-13 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
KR20160089784A (ko) * | 2015-01-20 | 2016-07-28 | 엘지이노텍 주식회사 | 모터의 하우징 및 이를 포함하는 모터 |
KR20200010524A (ko) * | 2020-01-15 | 2020-01-30 | 엘지이노텍 주식회사 | 모터 |
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2021
- 2021-04-13 KR KR1020210047810A patent/KR20220141556A/ko active Search and Examination
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2022
- 2022-04-13 JP JP2023563101A patent/JP2024514332A/ja active Pending
- 2022-04-13 US US18/286,795 patent/US20240195261A1/en active Pending
- 2022-04-13 WO PCT/KR2022/005365 patent/WO2022220591A1/ko active Application Filing
- 2022-04-13 CN CN202280028529.7A patent/CN117178461A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20110010231A (ko) * | 2009-07-24 | 2011-02-01 | 엘지이노텍 주식회사 | 스핀들 모터 |
KR20130048827A (ko) * | 2011-11-03 | 2013-05-13 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
KR101188096B1 (ko) * | 2012-02-27 | 2012-10-08 | 삼성전기주식회사 | 베어링 조립체 및 이를 이용하는 모터 |
KR20160089784A (ko) * | 2015-01-20 | 2016-07-28 | 엘지이노텍 주식회사 | 모터의 하우징 및 이를 포함하는 모터 |
KR20200010524A (ko) * | 2020-01-15 | 2020-01-30 | 엘지이노텍 주식회사 | 모터 |
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KR20220141556A (ko) | 2022-10-20 |
JP2024514332A (ja) | 2024-04-01 |
CN117178461A (zh) | 2023-12-05 |
US20240195261A1 (en) | 2024-06-13 |
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