KR20130013105A - Wire loss rate decreasing type driven motor - Google Patents
Wire loss rate decreasing type driven motor Download PDFInfo
- Publication number
- KR20130013105A KR20130013105A KR1020110074526A KR20110074526A KR20130013105A KR 20130013105 A KR20130013105 A KR 20130013105A KR 1020110074526 A KR1020110074526 A KR 1020110074526A KR 20110074526 A KR20110074526 A KR 20110074526A KR 20130013105 A KR20130013105 A KR 20130013105A
- Authority
- KR
- South Korea
- Prior art keywords
- coil
- space
- outside
- drive motor
- copper loss
- Prior art date
Links
- 230000003247 decreasing Effects 0.000 title description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 230000004907 flux Effects 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract 1
- 230000004059 degradation Effects 0.000 abstract 1
- 238000006731 degradation reactions Methods 0.000 abstract 1
- 238000010586 diagrams Methods 0.000 description 6
- CWRVKFFCRWGWCS-UHFFFAOYSA-N Pentrazole Chemical compound 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- 239000000446 fuels Substances 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
Abstract
Description
본 발명은 하이브리드나 전기자동차용 구동모터에 관한 것으로, 특히 자기벡터를 형성하는 코일형상에 변화를 줌으로써 동손율을 크게 낮춘 구동모터에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive motor for a hybrid or electric vehicle. More particularly, the present invention relates to a drive motor having a significantly lower copper loss rate by changing a coil shape forming a magnetic vector.
일반적으로 하이브리드나 전기자동차에는 구동모터가 적용되고, 구동모터의 효율을 높임으로써 하이브리드 자동차는 연비(리터당 주행거리)를 개선할 수 있고, 전기자동차는 주행거리(충전당 주행거리)를 개선할 수 있게 된다.In general, a driving motor is applied to a hybrid or an electric vehicle, and by increasing the efficiency of the driving motor, a hybrid vehicle can improve fuel economy (mileage per liter), and an electric vehicle can improve the mileage (mileage per charge). Will be.
도 4는 일반적으로 하이브리드나 전기자동차 적용 구동모터에서 발생되는 손실율(Loss Rate)선도를 나타낸다.FIG. 4 shows a loss rate diagram generally generated in a driving motor applied to a hybrid or an electric vehicle.
도 4(가)는 시내주행(저속 1,000rpm)으로서, 도시된 바와 같이 구동모터(80KW)에서는 20도를 기준으로 할 때, 영구자석과 회전자 및 고정자 철손의 손실은 작은 주파수로 인해 크지 않은 반면 코일에 의한 동손은 매우 크게 나타남을 알 수 있다. Figure 4 (a) is a city driving (low speed 1,000rpm), as shown in the drive motor (80KW) as shown, the loss of the permanent magnet, rotor and stator iron loss is not large due to the small frequency On the other hand, it can be seen that the copper loss caused by the coil is very large.
이 경우 동손은 전체 손실중 약 94%를 차지한다. In this case, copper loss accounts for about 94% of total losses.
이는, 시내 주행 시 저속이고 고 토크를 요구함에 기인되는 현상이다.This is a phenomenon caused by low speed and high torque when driving in the city.
반면, 도 4(나)는 고속도로주행(고속 11,500rpm)으로서, 도시된 바와 같이 구동모터(80KW)에서는 동손은 저속주행시에 비해 상대적으로 크게 낮아지는데 반해, 주파수 증가로 인해 철손은 크게 높아지게 된다.On the other hand, Figure 4 (b) is a highway driving (high speed 11,500rpm), as shown in the driving motor (80KW) copper loss is relatively lower than when driving at low speed, while the iron loss is significantly increased due to the frequency increase.
이는, 철손은 와전류손실+히스티리시스손실임에 기인된다.This is because iron loss is eddy current loss + hysteresis loss.
하지만, 이 경우에도 전체 손실에서 동손이 차지하는 비율은 약 45%로 높은 수준임을 알 수 있다.However, even in this case, the percentage of total loss is about 45%.
이는, 고속이고 저 토크를 요구함에 기인되는 현상이다.This is a phenomenon due to the high speed and low torque demand.
상기와 같이 구동모터의 효율을 높이기 위해서는 손실을 줄여야 하며, 특히 코일에 의한 동손율을 낮춰야 함을 자명하게 알 수 있다.As described above, in order to increase the efficiency of the driving motor, the loss must be reduced, and in particular, the copper loss rate due to the coil can be clearly understood.
통상, 동손은 코일의 면적을 증대함으로써 감소될 수 있고, 동손의 저감은 고효율 구동모터를 가능하게 하는 가장 큰 변수로 작용되어진다.Usually, copper loss can be reduced by increasing the area of the coil, and the reduction of copper loss is acted as the biggest variable that enables a high efficiency drive motor.
도 3은 상기와 같이 동손을 줄이기 위한 구동모터의 코일 권선 구조를 나타낸다.Figure 3 shows the coil winding structure of the drive motor to reduce the copper loss as described above.
도 3(가)는 코일(200)이 통상적인 환선코일이되, 코일(200)이 코어티스(100)의 코어공간(101)에서 점유하는 공간이 작아지도록 코일의 직경을 상대적으로 작게 한 구조이다.FIG. 3 (a) shows a structure in which the coil 200 is a conventional ring coil, and the diameter of the coil is relatively small so that the space occupied by the coil 200 in the core space 101 of the cortis 100 becomes smaller. to be.
이때, 상기 코어공간(101)은 코어티스(100)의 폭두께 증가(Sb)에 맞춰 함께 공간증가(Sa)되는 구조로 이루어지고, 동시에 적어도 2개의 분리공간(101a,101b)으로 구확하여 준다.At this time, the core space 101 is made of a structure that increases the space (Sa) together in accordance with the width thickness increase (Sb) of the cortis 100, at the same time provides at least two separation space (101a, 101b) .
이 경우 코일(200)의 작은 직경으로 인해 코어공간(101)을 촘촘히 메꿔줌으로써, 코어공간(101)의 빈공간 즉, 사공간이 상대적으로 작아질 수 있게 된다.In this case, by filling the core space 101 closely due to the small diameter of the coil 200, the empty space, that is, dead space of the core space 101 can be relatively small.
하지만, 코일(200)의 직경을 줄이는 것은 모터성능 특성상 한계가 있을 수밖에 없고, 이로 인해 코어공간(101)에는 도3(가)의 확대부와 같이 사공간이 필연적으로 형성됨으로써 동손율 저감에도 한계가 있게 된다.However, reducing the diameter of the coil 200 has a limitation in terms of motor performance characteristics, due to this, the dead space is inevitably formed in the core space 101 as shown in the enlarged portion of FIG. Will be.
반면, 도 3(나)는 코일(400)이 코어티스(300)의 코어공간(301)과 일치하는 형상을 이룸으로써 환선코일과 같은 사공간을 만들지 않게 된다.On the other hand, Figure 3 (b) is to form a shape that the coil 400 coincides with the core space 301 of the cortis 300 does not make a dead space, such as a ring coil.
이때, 상기 코어공간(301)은 코어티스(100)의 폭두께 증가(tb)에 맞춰 일정한 폭두께(ta)되는 구조로 이루어지고, 상기 코어공간(301)에 위치되는 코일(400)은 적어도 4개의 층을 형성하는 구조로 이루어진다.At this time, the core space 301 is made of a structure that is a constant width thickness (ta) in accordance with the width thickness increase (tb) of the cortis 100, the coil 400 located in the core space 301 is at least It consists of a structure forming four layers.
이로 인해, 이 경우엔 코일(400)의 면적을 증대하거나 권선수를 늘려줄 수 있어 환형코일에 비해 동손율이 크게 감소됨으로써 고효율 구동모터의 설계에 보다 근접될 수 있게 된다.As a result, in this case, the area of the coil 400 may be increased or the number of windings may be increased, and thus the copper loss ratio may be greatly reduced as compared with the annular coil, thereby allowing closer design of the high efficiency drive motor.
이는, 기자력F = N(턴수)*I(전류)의 특성에 따라 동일한 전류를 인가하더라도 기자력을 증대할 수 있고, 기자력 증대는 토크증가를 가져옴으로써 출력밀도를 개선할 수 있음에 기인되어진다.This is due to the fact that the magnetomotive force can be increased even if the same current is applied according to the characteristics of the magnetomotive force F = N (turns) * I (current), and the increase in the magnetomotive force can lead to an increase in torque, thereby improving the output density.
하지만, 상기와 같은 구조는 코어티스(300)가 점진적으로 폭두께 증가(tb)를 가져오는 반면 코일(400)은 일정한 폭두께(ta)로 이루어짐으로써, 도 3(나)의 우측도면과 같이 포화자속밀도 및 기전력크기가 상대적으로 희박한 영역(a)이 형성될 수밖에 없게 된다.However, in the above structure, while the coreis 300 gradually increases the width thickness (tb), the coil 400 has a constant width thickness (ta), as shown in the right side of FIG. 3 (b). The region (a) having a relatively small saturation magnetic flux density and electromotive force size is inevitably formed.
그러므로, 비록 환형코일에 비해 상대적으로 동손율이 저감되더라도, 상기와 같이 포화자속밀도 및 기전력의 희박한 영역(a)이 존재함으로써 고효율 구동모터의 개발목표에는 부족할 수밖에 없는 실정이다.
Therefore, although the copper loss ratio is relatively reduced compared to the annular coil, the present invention lacks the saturation magnetic flux density and the sparse region (a) of the electromotive force, which is insufficient for the development goal of the high efficiency drive motor.
이에 상기와 같은 점을 감안하여 발명된 본 발명은 점진적으로 증가되는 폭두께에 맞춰 코일 폭두께도 함께 증가해줌으로써 포화자속밀도 및 역기전력을 전 영역에서 높여 효율을 상승시키주고, 동시에 사공간 형성이 없는 코일면적 극대화로 동손율을 크게 낮춤으로써 고효율 구동모터에 보다 일치시켜 줄 수 있는 동손저감타입 구동모터를 제공하는데 목적이 있다.
Accordingly, the present invention in view of the above point increases the efficiency of the saturation magnetic flux density and the counter electromotive force in all areas by increasing the coil width thickness according to the gradually increasing width thickness, and at the same time, the formation of dead space The purpose of the present invention is to provide a copper loss reduction type driving motor which can be more matched to a high efficiency driving motor by greatly reducing the copper loss ratio by maximizing the coil area without.
상기와 같은 목적을 달성하기 위한 본 발명의 동손저감타입 구동모터는 중심에서 바깥쪽을 향하여 폭두께가 점진적으로 증가되는 코어티스와;Copper loss-type drive motor of the present invention for achieving the above object is a core tooth and gradually increasing the width from the center toward the outside;
상기 코어티스의 내부에서 코어티스의 형상에 맞춰 중심에서 바깥쪽을 향하여 폭두께가 점진적으로 증가되는 빈공간인 코일공간과;A coil space which is an empty space in which the width thickness is gradually increased from the center toward the outside in accordance with the shape of the coretis in the coretis;
상기 코일공간의 형상에 일치되어 사공간(Dead Space)없이 권취되고, 권취된 상태에서 서로 적층되는 적어도 1개 이상의 코일;At least one coil that is wound up without a dead space in accordance with the shape of the coil space and stacked on each other in a wound state;
을 포함하여 구성되는 것을 특징으로 한다.And a control unit.
상기 코일공간은 중심에서 바깥쪽을 향하여 테이퍼형상으로 이루어진다. The coil space has a tapered shape from the center toward the outside.
상기 코일공간에 적층되는 코일은 4개로 이루어지며, 상기 4개의 코일은 상기 코일공간의 바깥쪽으로 갈수록 점진적으로 크기가 커지게 된다.
Four coils are stacked in the coil space, and the four coils gradually increase in size toward the outside of the coil space.
이러한 본 발명은 점진적으로 증가되는 폭두께에 맞춰 코일 폭두께도 함께 증가해줌으로써 포화자속밀도 및 역기전력을 전영역에서 높여 고효율 구동모터에 보다 일치될 수 있는 효과가 있고, 특히 시내주행과 같이 저속주행시 동손율을 종래구조에 비해 약 21% 저감되는 효과가 있게 된다.The present invention increases the saturation magnetic flux density and counter electromotive force in all areas by increasing the coil width in accordance with the gradually increasing width thickness, and thus can be more matched to the high-efficiency driving motor, especially when driving at low speeds such as city driving. The copper loss ratio is reduced by about 21% compared with the conventional structure.
또한, 본 발명은 사공간 형성이 없는 코일면적 극대화로 동손율을 크게 낮추어줌으로써 동일한 전류밀도를 갖는 모터에서 철보다 낮은 비중의 코일사용량을 늘려 모터 전체 중량감소를 도모할 수 있고, 특히 비용상승을 가져오는 영구자석의 수량도 줄어드는 효과도 있게 된다.In addition, the present invention can reduce the overall weight of the motor by increasing the coil consumption of the specific gravity lower than iron in the motor having the same current density by significantly lowering the copper loss rate by maximizing the coil area without the formation of dead space, in particular the cost increase It also reduces the quantity of permanent magnets imported.
또한, 본 발명은 저감된 동손율로 인해 코일의 열전달계수도 줄여줌으로써 코일의 열로 인한 다른 부품의 내구성 저하가 크게 줄어드는 효과도 있게 된다.
In addition, the present invention also reduces the heat transfer coefficient of the coil due to the reduced copper loss rate, thereby reducing the durability of other components due to the heat of the coil significantly.
도 1은 본 발명에 따른 동손저감타입 구동모터의 코일구성도이고, 도 2는 본 발명에 따른 동손저감타입 구동모터에서 코어부위의 자기벡터선도이며, 도 3은 종래에 따른 구동모터의 코일구성도이고, 도 4는 일반적으로 하이브리드나 전기자동차 적용 구동모터에서 발생되는 손실율(Loss Rate)선도이다.1 is a coil configuration diagram of a copper loss reduction type drive motor according to the present invention, Figure 2 is a magnetic vector diagram of the core portion in the copper loss reduction type drive motor according to the present invention, Figure 3 is a coil configuration of a drive motor according to the prior art FIG. 4 is a loss rate diagram generally generated in a driving motor applied to a hybrid or an electric vehicle.
이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명하며, 이러한 실시예는 일례로서 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 여러 가지 상이한 형태로 구현될 수 있으므로, 여기에서 설명하는 실시예에 한정되지 않는다.DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Since the exemplary embodiments of the present invention may be embodied in various different forms, one of ordinary skill in the art to which the present invention pertains may be described herein. It is not limited to the Example to make.
도 1은 본 실시예에 따른 동손저감타입 구동모터의 코일구성을 나타낸다.1 shows a coil configuration of a copper loss reduction type drive motor according to the present embodiment.
도시된 바와 같이, 코일유닛(10)은 코어(Core)를 구성하는 코어티스(1)의 내부에 형성된 빈공간인 코일공간(2)으로 권취되되, 상기 코일유닛(10)은 코일공간(2)에 사공간(Dead Space)이 형성되지 않도록 코일공간(2)과 동일한 형상으로 이루어진다.As shown, the coil unit 10 is wound into a coil space 2 which is an empty space formed in the core 1 forming the core, the coil unit 10 is a coil space (2) ) Is made in the same shape as the coil space (2) so that dead space is not formed.
상기 코어티스(1)는 중심에서 바깥쪽을 향하여 폭두께(Ta)가 점진적으로 증가되는 코어티스구간의 내부로 코일공간(2)을 형성하고, 상기 코일공간(2)은 코어티스(1)의 형상에 맞춰 동일하게 형성하여 준다.The cortiss 1 form a coil space 2 into a cortiss section in which the width thickness Ta is gradually increased from the center to the outside, and the coil spaces 2 are cortiss 1. Form the same according to the shape of.
즉, 상기 코일공간(2)은 그 하부의 폭두께(Tb)에 비해 그 상부의 폭두께(Tc)가 더 크고, 이는 그 하부의 폭두께(Tb)에서 그 상부의 폭두께(Tc)로 갈수록 점진적으로 증가하는 테이퍼(Taper)형상을 이루게 된다.That is, the coil space 2 has a larger width Tc of the upper portion than the width Tb of the lower portion thereof, which is from the width Tb of the lower portion thereof to the width Tc of the upper portion thereof. Increasingly, the taper shape is gradually increased.
상기와 같이 코일공간(2)이 테이퍼(Taper)형상을 이룸으로써, 코어티스(1)는 폭두께가 중심에서 바깥쪽을 향하여 점진적으로 증가되더라도 일정한 포화자속밀도 및 기전력을 형성할 수 있게 된다.As described above, the coil space 2 forms a taper shape, thereby allowing the coretis 1 to form a constant saturation magnetic flux density and electromotive force even though the width thereof is gradually increased from the center to the outside.
그리고, 상기 코일유닛(10)은 코일공간(2)의 테이퍼 형상에 일치되어 사공간(Dead Space)없이 밀착되는 형상으로 이루어지고, 적어도 1개 이상으로 나누어진 코일로 이루어진다.In addition, the coil unit 10 is formed in a shape that is in close contact with the tapered shape of the coil space 2 without a dead space, and is made of at least one coil divided.
본 실시예에서 상기 코일은 4개를 쌍으로 하는 제1ㅇ2ㅇ3ㅇ4코일(11,12,13,14)로 이루어지고, 상기 제1코일(11)에서 제2코일(12)과 제3코일(13) 및 제4코일(14)로 갈수록 점진적으로 크게 형성됨으로써 코일공간(2)의 테이퍼 형상과 일치되어진다.In the present embodiment, the coil is composed of four coils (1, 2, 3, 4, 11, 12, 13, 14), and the first coil (11) and the second coil (12) As it gradually increases toward the third coil 13 and the fourth coil 14, the tapered shape coincides with the tapered shape of the coil space 2.
즉, 상기 제1코일(11)이 코일공간(2)의 하부 폭두께(Tb)와 같고 상기 제4코일(14)이 코일공간(2)의 상부 폭두께(Tc)와 같게 형성되어진다.That is, the first coil 11 is formed to be equal to the lower width thickness Tb of the coil space 2 and the fourth coil 14 is formed to be equal to the upper width thickness Tc of the coil space 2.
도 2는 본 실시예에 따른 동손저감타입 구동모터에서 코어부위의 자기벡터선도를 나타낸다. 2 shows a magnetic vector diagram of a core portion in a copper loss reduction type drive motor according to the present embodiment.
도 2(가)와 같이, 코어부위의 자기벡터선도는 코어티스(1)의 점진적 폭두께 증가로 인해 발생되었던 포화자속밀도 및 기전력의 희박한 영역(A)에서도 전체적으로 균일함을 알 수 있고, 또한 도 2(나)로부터는 역기전력이 최대 21.10Vrms임을 알 수 있는데, 이러한 역기전력은 종래에 비해 약 21% 저감되어진 상태이다.As shown in Fig. 2 (a), the magnetic vector diagram of the core portion is uniform throughout, even in the sparse region A of saturation magnetic flux density and electromotive force generated due to the gradual increase in the thickness of the coretis 1, From Figure 2 (b) it can be seen that the back electromotive force is up to 21.10Vrms, this back electromotive force is reduced by about 21% compared with the prior art.
상기와 같이 본 실시예에 따른 구동모터는 중심에서 바깥쪽으로 점진적으로 폭두께가 증가되고 이에 맞춰 그내부로 테이퍼(Taper)형상으로 빈공간인 코일공간(2)이 형성된 코어티스(1)와, 상기 코일공간(2)의 형상에 일치되어 사공간(Dead Space)없이 최대면적을 이루도록 테이퍼(Taper)형상을 이루어 적충되는 적어도 4개의 제1ㅇ2ㅇ3ㅇ4코일(11,12,13,14)로 이루어짐으로써, 저속주행시 코일(20,30)로 인한 동손율을 약 21% 낮추고 포화자속밀도 및 역기전력을 전영역에서 높여줄 수 있고, 동일 전류밀도 대비 증대된 코일사용량으로 중량감소와 영구자석 적용수량축소는 물론 특히 코일의 열로 인한 다른 부품의 내구성 저하가 크게 줄어들게 된다.
As described above, the driving motor according to the present embodiment has a core thickness (1) having a coil space (2) having a vacant space in a taper shape and gradually increasing in width from the center to the outside thereof, At least four first-two-three-four coils 11, 12, 13, which are matched to the shape of the coil space 2 and formed in a taper shape to achieve a maximum area without dead space. 14) can reduce the copper loss rate due to coils 20 and 30 at low speed and increase saturation magnetic flux density and counter electromotive force in all areas, and reduce weight and permanently with increased coil usage compared to the same current density. The reduction in the number of magnets applied, as well as the deterioration of the durability of other components, especially due to the heat of the coil, is greatly reduced.
1 : 코어티스 2 : 코일공간
10 : 코일유닛 11,12,13,14: 제1ㅇ2ㅇ3ㅇ4코일1: Cortis 2: Coil Space
10: coil unit 11, 12, 13, 14: first 2 ~ 3 4 coil
Claims (4)
- 중심에서 바깥쪽을 향하여 폭두께가 점진적으로 증가되는 코어티스와;
상기 코어티스의 내부에서 코어티스의 형상에 맞춰 중심에서 바깥쪽을 향하여 폭두께가 점진적으로 증가되는 빈공간인 코일공간과;
상기 코일공간의 형상에 일치되어 사공간(Dead Space)없이 권취되고, 권취된 상태에서 서로 적층되는 적어도 1개 이상의 코일;
을 포함하여 구성되는 것을 특징으로 하는 동손저감타입 구동모터.
Cortiss, the width of which gradually increases from the center toward the outside;
A coil space which is an empty space in which the width thickness is gradually increased from the center toward the outside in accordance with the shape of the coretis in the coretis;
At least one coil that is wound up without a dead space in accordance with the shape of the coil space and stacked on each other in a wound state;
Copper reduction type drive motor, characterized in that comprising a.
- 청구항 1에 있어서, 상기 코일공간은 중심에서 바깥쪽을 향하여 테이퍼형상으로 이루어진 것을 특징으로 하는 동손저감타입 구동모터.
The method of claim 1, wherein the coil space is a copper loss reduction type drive motor, characterized in that the tapered shape from the center toward the outside.
- 청구항 2에 있어서, 상기 코일공간에 적층되는 코일은 4개로 이루어진 것을 특징으로 하는 동손저감타입 구동모터.
The method of claim 2, wherein the coil is laminated in the coil space, copper loss reduction type drive motor, characterized in that consisting of four.
- 청구항 3에 있어서, 상기 4개의 코일은 상기 코일공간의 바깥쪽으로 갈수록 점진적으로 크기가 커지는 것을 특징으로 하는 동손저감타입 구동모터.
4. The driving type reduction motor of claim 3, wherein the four coils gradually increase in size toward the outside of the coil space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110074526A KR20130013105A (en) | 2011-07-27 | 2011-07-27 | Wire loss rate decreasing type driven motor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110074526A KR20130013105A (en) | 2011-07-27 | 2011-07-27 | Wire loss rate decreasing type driven motor |
| CN2012102612662A CN102904352A (en) | 2011-07-27 | 2012-07-26 | Copper loss-reducing driving motor |
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| Publication Number | Publication Date |
|---|---|
| KR20130013105A true KR20130013105A (en) | 2013-02-06 |
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| KR1020110074526A KR20130013105A (en) | 2011-07-27 | 2011-07-27 | Wire loss rate decreasing type driven motor |
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| KR20130013104A (en) * | 2011-07-27 | 2013-02-06 | 현대모비스 주식회사 | Wire loss rate decreasing type driven motor |
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| JP2004159460A (en) * | 2002-11-07 | 2004-06-03 | Denso Corp | Stator for rotating electric machine |
| US7081697B2 (en) * | 2004-06-16 | 2006-07-25 | Visteon Global Technologies, Inc. | Dynamoelectric machine stator core with mini caps |
| JP4609190B2 (en) * | 2005-05-31 | 2011-01-12 | 株式会社デンソー | Rotating electric machine for vehicles |
| EP2017854B1 (en) * | 2006-04-28 | 2020-02-12 | Mitsubishi Cable Industries, Ltd. | Linear member, and stator structure |
| JP2010119241A (en) * | 2008-11-13 | 2010-05-27 | Toyota Motor Corp | Stator and coil |
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