CN109888958A - Rotating electric machine - Google Patents
Rotating electric machine Download PDFInfo
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- CN109888958A CN109888958A CN201811413238.1A CN201811413238A CN109888958A CN 109888958 A CN109888958 A CN 109888958A CN 201811413238 A CN201811413238 A CN 201811413238A CN 109888958 A CN109888958 A CN 109888958A
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- slot
- rib
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- paper
- phase winding
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The present invention provides the rotating electric machine that can suitably separate adjacent each phase of coil by insulating paper.Rotating electric machine has stator core (11), coil (12) and intermediate insulation paper (16).Stator core is formed with slot (23) between adjacent tooth (22).Coil is installed on stator core with the state of multiphase distribution winding.Adjacent each phase of coil is separated by intermediate insulation paper.Intermediate insulation paper has first rib (41), the second rib (42) and intermediate linking part (43).First slot side (25) of the first rib towards slot.Second finned surface is to the second slot side (26) of slot.Intermediate linking part links first rib and the second rib, and has the revers turn part (48) of the axial inflection along stator core.
Description
Technical field
The present invention relates to a kind of rotating electric machines.
Background technique
Be formed in the winding of the coil of the stator setting of rotating electric machine form can substantially be classified as " concentrate winding " and
" distribution winding ".Concentrate the structure for being wound as intensively winding winding around a tooth of stator core.It concentrates the stator of winding and divides
Cloth winding is simple compared to its coil shape and end turn is shorter.However, the rotating excitation field for concentrating the stator of winding to be constituted is
Rectangular wave, therefore vibration, noise as caused by higher harmonic components are larger.
On the other hand, distribution is wound as the structure of the winding winding of multiple teeth across stator core.
In the stator of distribution winding, in the outside of stator core, out of phase coil is overlapped in radial direction and axial direction, therefore
End turn is larger compared with concentrating winding.However, the rotating excitation field that is constituted of stator of distribution winding is close to sine wave, therefore
It vibrates, noise is small and the output performance of rotating electric machine is better than concentration winding.
In view of the difference of the characteristic, in the electric rotating for realizing noise, (NV (Noise Vibration) performance is high) with small vibration
In the case where machine, the stator of distribution winding is mostly used.
Also, in order to reduce the higher harmonic components for the rotating excitation field that the stator of distribution winding is constituted, make its rotary magnetic
Field is further to sine wave, it may be considered that out of phase winding overlapping is wound as two layers of electric rotating in the same slot of stator
The structure of machine.
Specifically, slot insulating paper is arranged in the inner surface along slot, outer coil is configured (that is, first entering in the outside diameter of slot
Coil), inner coil (entering coil after that is) is configured in the internal side diameter of slot.In addition, being arranged between outer lateral coil and inner coil
There is intermediate insulation paper.Also, wedge-shaped insulating paper is provided on the inside of inner coil (for example, referring to Japanese Unexamined Patent Publication 11-
No. 98743 bulletins).
Intermediate insulation paper is used to separate outer coil and inner coil, to prevent such as inner coil from entering out conductor
Enclose side.For example, prevent inner coil from entering outer coil side by intermediate insulation paper, so as to ensure inner coil and outer
The insulation of lateral coil.
But do not recorded in the intermediate insulation paper of Japanese Unexamined Patent Publication 11-98743 bulletin with the section shape in slot because
The relevant technology of element, it is difficult to ensure that proper shape is divided outer coil and inner coil by intermediate insulation paper in slot
Every.As the scheme for being separated outer coil and inner coil by intermediate insulation paper, such as, it may be considered that scheme below.
I.e., it is known that form limiter in the front end of intermediate insulation paper, the transition of inner coil is protected by limiter
The method of the rising portions of line.It, can be by the inner coil that is configured when by inner coil configuration in slot according to this method
Come the case where preventing intermediate insulation paper from deviateing from defined allocation position.But in the method, it is difficult to which it is appropriate to ensure in slot
Shape and outer coil and inner coil are separated by intermediate insulation paper, such as inner coil pierces, and leads to inner coil
Into outer coil side.
However, it is possible to consider together to press outer coil and intermediate insulation paper to the outside diameter of slot, so that it is guaranteed that outside
The scheme of the insertion opening rate of coil.Specifically, in the state of by outer coil configuration in slot, by intermediate insulation paper
After configuration is in slot, in order to ensure the insertion opening rate of outer coil, by outer coil and intermediate insulation paper together to the outer of slot
The pressing of diameter side.Thereby, it is possible to contact intermediate insulation paper with slot insulating paper.
Here, the contact when pressing intermediate insulation paper to the outside diameter of slot, according to intermediate insulation paper with slot insulating paper
Portion's state and the shape that obviously narrows compared with the groove width entered for intermediate insulation paper as wedge shape, and with slot insulation
Generate friction, repulsion between paper or be unable to get pressing wedge effect etc..Thus, for example inner coil pierce intermediate insulation paper with
Gap between slot insulating paper causes inner coil to enter outer coil side.
That is, in the method, it is difficult to ensure in slot proper shape and by intermediate insulation paper (that is, insulating paper) will be outer
Lateral coil and inner coil separate, such as inner coil pierces, and inner coil is caused to enter outer coil side.
Summary of the invention
Mode of the invention provides the rotating electric machine that can suitably separate adjacent each phase of coil by insulating paper.
(1) rotating electric machine involved in a mode of the invention has: stator core circumferentially has multiple teeth, and
Slot is formed in adjacent between cog；Coil is configured at the slot by the state with the multiphase distribution winding based on bunch, from
And it is installed on the stator core；And insulating paper, adjacent by the coil are respectively mutually separated, the insulating paper includes
One rib, the tooth of the side in the tooth of the two sides towards the circumferential slot；Second rib, towards in the adjacent tooth
Another party tooth；And linking part, the first rib and second rib are linked, the linking part has along institute
State the revers turn part of the axial inflection of stator core.
In this way, linking the first rib of insulating paper and the second rib by linking part, revers turn part is formed in linking part.It is logical
It crosses and forms revers turn part in linking part, to being formed to linking part using revers turn part and flexible deformation.As a result, by from beam
Line applies load to revers turn part, so as to make revers turn part to first rib and the second rib side using the spring of revers turn part
Extend.
It is bonded thereby, it is possible to press in the face of the tooth of first rib Xiang Yifang with it.In addition, can be by the second rib to another
The face of the tooth of side presses and is bonded with it.Therefore, adjacent each phase of coil can suitably be separated by insulating paper.
As a result, in addition to the insulating coating of coil, additionally it is possible to the thickness of insulating paper is ensured to be insulation distance,
Therefore further rotating electric machine can be ensured for the safety coefficient of Towards Higher Voltage.
In addition, by the way that coil is set as multiphase distribution winding, thus the cogging of the torque profile of the sine wave of each phase
(PV) become to mitigate.Thereby, it is possible to mitigate U phase winding, V phase winding, W phase winding synthetic waveform cogging.As a result, can
The torque ripple for enough reducing rotating electric machine, in particular, can be improved the NV characteristic of 24 rotating electric machines.
(2) in above-mentioned rotating electric machine, or, the insulating paper is by the first rib, second rib and institute
It states linking part and is formed as section W word shape.
In this way, intermediate insulation paper is formed as section W word shape by first rib, the second rib and linking part.Link as a result,
The revers turn part in portion is formed as V-shape.Specifically, linking part so that linking part center towards first rib open end, the
The mode inflection outstanding of the open end of two ribs is at V-shape.
There is load to the center effect of linking part from the coil of the open end of first rib, the opening end side of the second rib as a result,.
The load for acting on the center of linking part is broken down into the component towards first rib, the component towards the second rib.Each component direction
First rib, the second rib are acted on.Thereby, it is possible to which the surface side of the tooth of first rib Xiang Yifang is pressed, also, by the second rib to another
The surface side of the tooth of one side presses.Therefore, adjacent each phase of coil can suitably be separated by insulating paper.
(3) in above-mentioned rotating electric machine, or, the insulating paper is configured to open end and the institute of the first rib
The open end of the second rib is stated towards the depth side of the slot.
Here, in the state that outer coil, insulating paper are configured at slot, in order to ensure the insertion opening rate of outer coil
And the depth side pressure by outer coil and insulating paper together to slot enters.
Therefore, in the rotating electric machine of above-mentioned (3), court is configured by the open end of the open end of first rib and the second rib
To the depth side of slot.As a result, in the state that insulating paper is reliably pressed into the depth side of slot, from outer coil to insulating paper
The center effect of linking part has load.The load for acting on the center of linking part, which is broken down into, acts on first rib, second rib
Component.First rib, the second rib are acted on by component, the face of the tooth of first rib Xiang Yifang can be pressed and be bonded with it.Separately
Outside, the second rib can be pressed to the face of the tooth of another party and is bonded with it.Thereby, it is possible to prevent each phase coil from by insulating paper
Biasing caused by gap entrance.
However, the ground connection of coil in order to prevent, and the inner surface of slot is provided with slot insulating paper.As a result, in first rib
In the state of being clipped between outer coil and slot insulating paper, frictional force is generated between first rib and slot insulating paper.In addition,
In the state that two ribs are clipped between outer coil and slot insulating paper, frictional force is generated between the second rib and slot insulating paper.
It is relatively reliable by wedge effect thereby, it is possible to ensure that first rib, the second rib is made to be attached at the state of slot insulating paper
Insulating paper is held in slot by ground.Therefore, adjacent each phase of coil can more suitably be separated by insulating paper.
(4) in above-mentioned rotating electric machine, or, the insulating paper is matched by from being axially inserted into for stator core
It is placed in the slot.
Here, insulation division is installed on slot using fixture.In order to reliably keep insulating paper, and fixture is provided with limit
Device.On the other hand, revers turn part is formed in the linking part of insulating paper.As a result, be not present revers turn part flat linking part phase
Than the width dimensions of insulating paper become larger.Accordingly, it is difficult to insulating paper is configured at fixture from the radial of fixture, and from the axis of fixture
To by insulating paper insertion groove.
Therefore, in the rotating electric machine of above-mentioned (4), from the axial by insulating paper insertion groove of stator core.Thereby, it is possible to use
Insulating paper is installed on slot by fixture well.
(5) in above-mentioned rotating electric machine, or, the width dimensions of the first rib and second rib are described
The 2 times or more of the outer diameter of bunch.
In this way, the width dimensions of first rib and the second rib to be set as to the 2 times or more of the outer diameter of bunch.As a result, first
In the state that rib is clipped between bunch and slot insulating paper, frictional force can be suitably generated between first rib and slot insulating paper.
In addition, can be fitted between the second rib and slot insulating paper in the state that the second rib is clipped between outer coil and slot insulating paper
Locality generates frictional force.
It is relatively reliable by wedge effect thereby, it is possible to ensure that first rib, the second rib is made to be attached at the state of slot insulating paper
Insulating paper is held in slot by ground.Therefore, adjacent each phase of coil can more suitably be separated by insulating paper.
Mode according to the present invention is linked the first rib of insulating paper and the second rib by linking part, in linking part shape
At there is revers turn part.As a result, by applying load to revers turn part from bunch, so as to make back using the spring of revers turn part
Extend to first rib and the second rib side folding part.Thereby, it is possible to suitably be separated adjacent each phase of coil by insulating paper.
Detailed description of the invention
Fig. 1 is the cross-sectional view for showing rotating electric machine involved in one embodiment of the present invention.
Fig. 2 is to split the stator of rotating electric machine involved in one embodiment of the present invention along the direction with Axis Cross
Cross-sectional view.
Fig. 3 is the amplified cross-sectional view in the portion III by Fig. 2 of rotating electric machine involved in one embodiment of the present invention.
Fig. 4 is after amplifying the major part of the stator of Fig. 3 of rotating electric machine involved in one embodiment of the present invention
Cross-sectional view.
Fig. 5 is that the stator of the rotating electric machine involved in the one embodiment of the present invention decomposites intermediate insulation paper and wedge
The perspective view of shape insulating paper.
Fig. 6 is by a part of the stator of rotating electric machine involved in one embodiment of the present invention linearly to show
Schematic diagram.
Fig. 7 be to rotating electric machine involved in one embodiment of the present invention by intermediate insulation paper by U phase winding with
And the cross-sectional view that the example of V phase winding separation is illustrated.
Fig. 8 A is to configure U phase winding and intermediate insulation paper to the first slot to involved in one embodiment of the present invention
The cross-sectional view that process is illustrated.
Fig. 8 B is to configure U phase winding and intermediate insulation paper to the first slot to involved in one embodiment of the present invention
The cross-sectional view that process is illustrated.
Fig. 9 is padded by indentation by the U phase winding of the first slot and centre to involved in one embodiment of the present invention
The cross-sectional view that the process of insulating paper indentation is illustrated.
Figure 10 A is to configure V phase winding and wedge-shaped insulating paper to the first slot to involved in one embodiment of the present invention
The cross-sectional view that is illustrated of process.
Figure 10 B is to configure V phase winding and wedge-shaped insulating paper to the first slot to involved in one embodiment of the present invention
The cross-sectional view that is illustrated of process.
Figure 11 is in the first slot involved in one embodiment of the present invention configured with U phase winding, intermediate insulation paper, V phase
The cross-sectional view of the state of winding and wedge-shaped insulating paper.
Figure 12 is the perspective view for showing the intermediate insulation paper of rotating electric machine involved in one embodiment of the present invention.
Figure 13 is that the intermediate insulation paper of rotating electric machine involved in one embodiment of the present invention is configured at indentation fixture
Perspective view.
Specific embodiment
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
It should be noted that in Fig. 4, Fig. 7, Fig. 9, Tu11Zhong, for ease of understanding the structure of stator 3, by the beam of slot 23
Line 12a is illustrated in such a way that a part is omitted.
As shown in Figure 1, rotating electric machine 1 is mounted in the traveling of the vehicle such as hybrid motor vehicle, electric motor vehicle
Use motor.But the structure of embodiments of the present invention is not limited to traveling motor, can also apply to power generation motor, its
The motor of his purposes, vehicle use other than rotating electric machine (including generator).
Rotating electric machine 1 has shell 2, stator 3, rotor 4 and output shaft 5.Output shaft 5 is supported in a manner of it can rotate
In shell 2.
Rotor 4 has rotor core 6 and is installed on the magnet (not shown) of rotor core 6.Rotor core 6 is formed as outer embedded in output
The tubular of axis 5.It should be noted that in the following description, will be known as sometimes along the direction of the axis C of output shaft 5 axially,
The direction orthogonal with axis C is known as radial direction, will be known as around the direction of axis C circumferential.
As shown in Figure 2 and Figure 3, stator 3 has stator core 11, coil 12, slot insulating paper 14, intermediate insulation paper 16 and wedge
Shape insulating paper 18.
Stator core 11 is formed as the tubular that rotor 4 (referring to Fig.1) is surrounded from radial outside.Stator core 11 is by electromagnetism
Steel plate implements punch press process etc. and the plate of ring-shaped that is formed is along axially stacked and constitute.It should be noted that stator core 11 can
Think so-called press-powder core.
Specifically, stator core 11 has back magnetic yoke 21 and multiple teeth 22.Back magnetic yoke 21 is formed as configuring with axis C same
Tubular on axis.
Formed to the circumferentially spaced specified interval of multiple teeth 22, it is prominent towards radial inside from the inner circumferential of back magnetic yoke 21.
Adjacent tooth 22 is spaced apart specified interval and is formed with slot 23 in the form of slotly in the circumferential.That is, multiple teeth 22 and more
A slot 23 is formed circumferentially alternatingly.
It is configured with coil 12 in multiple slots 23, coil 12 is installed on multiple teeth 22.In this state, coil 12 is assemblied in
Stator core 11.
As shown in figure 4, slot 23 is formed as along the state axially through stator core 11.Slot 23 has the first slot side 25, the
Two slot sides 26, slot flexure plane 27 and channel opening portion 28.Pass through the first slot side 25, the second slot side 26 and slot flexure plane
The inner peripheral surface of slot 23 is formed as channel-shaped by 27.
First slot side 25 by the side in the tooth 22 of the two sides of the slot 23 in the circumferential direction of stator core 11 tooth 22 side
It is formed.Second slot side 26 by another party in the tooth 22 of the two sides of the slot 23 in the circumferential direction of stator core 11 tooth 22 side shape
At.
The cardinal extremity of first slot side 25 and the cardinal extremity of the second slot side 26 are linked by slot flexure plane 27.Slot flexure plane 27 with
The mode being recessed towards radial outside is formed as bending.
In addition, being formed with channel opening portion 28 in the inner peripheral surface 3a of the stator 3 of slot 23.That is, slot 23 is radial inside
So-called opening groove.
As shown in Figure 4, Figure 5, the inner peripheral surface in multiple slots 23 throughout slot 23 is (that is, the first slot side 25, the second slot side
26 and slot flexure plane 27) substantial configured in one piece have slot insulating paper 14.
Slot insulating paper 14 has a counter-lateral quadrents 31,32 and insulation bending section 33.Band-like (the tape shape) of slot insulating paper 14
Insulating paper is bent into bending along its length (that is, axial direction of stator 3), and be formed with continuously insulate in the longitudinal direction it is curved
Pars convoluta 33.
Hereinafter, the side 31 of the side in a counter-lateral quadrents 31,32 is known as " the first insulation side 31 ".
In addition, the side 32 of another party in a counter-lateral quadrents 31,32 is known as " the second insulation side 32 ".
First insulation side 31 of slot insulating paper 14 is contacted with the first slot side 25 of slot 23.The second of slot insulating paper 14 is absolutely
Edge side 32 is contacted with the second slot side 26 of slot 23.
The cardinal extremity of first insulation side 31 and the cardinal extremity of the second insulation side 32 are linked by bending section 33 of insulating.It insulate curved
Pars convoluta 33 is formed as the state that U-shaped is bent to along the slot flexure plane 27 of slot 23.Insulation bending section 33 and the slot of slot 23 are curved
Curved surface 27 contacts.
In the state that slot insulating paper 14 is contained in slot 23, the first insulation side 31 and the second insulation side 32 are accommodated in
The inside (such as inside of the front end protrusion part 22a of tooth 22) in channel opening portion 28.
In the state that slot insulating paper 14 is contained in slot 23, coil 12 is configured in slot 23, the coil 12 is by passing through base
In the multiphase distribution winding of bunch 12a, the winding of 3 phases (U phase, V phase, W phase) to multiple teeth 22 winding is formed.
Specifically, the configuration of coil 12 is in the inside of slot insulating paper 14.
Coil 12 is configured at multiple slots 23 to be installed on the state of multiple teeth 22.
Hereinafter, enumerate by be contained in each phase winding of slot 23 distribution and each phase winding to multiple 22 transition of tooth wind
Mode is set as two layers of convolute coil mode of size, and is illustrated according to Fig. 3, Fig. 6.It should be noted that in Fig. 3, Fig. 6,
For ease of understanding structure, multiple slots 23 are successively set as the first slot 23G of slot 23A~the 7th clockwise to say
It is bright.
Coil modes not necessarily use the mode of this explanation, also can be set as two layers or more of multilaminate coiled and size
Coiled multiple times more than double winding.
As shown in Fig. 3, Fig. 6, in the first slot 23A, third slot 23C, the 5th slot 23E and the 7th slot 23G, coil 12 with
Two layers of mode is laminated in radially to configure.On the other hand, in the second slot 23B, the 4th slot 23D and the 6th slot 23F, line
Circle 12 is configured to one layer radially.
Specifically, in coil 12, the first slot 23A outside diameter configured with U phase winding 12u as first layer,
Internal side diameter is configured with V phase winding 12v as the second layer.That is, U phase winding 12u and V phase winding 12v to be laminated in radially
Two layers of mode configures.U phase winding 12u and V phase winding 12v is separated by intermediate insulation paper 16.
In addition, being configured with V phase winding 12v as first layer, in internal diameter in the outside diameter of third slot 23C in coil 12
Side is configured with W phase winding 12w as the second layer.That is, V phase winding 12v and W phase winding 12w is in diameter in third slot 23C
Two layers of mode is laminated in upwards to configure.V phase winding 12v and W phase winding 12w is separated by intermediate insulation paper 16.
Also, in coil 12, W phase winding 12w is configured with as first layer, in internal diameter in the outside diameter of the 5th slot 23E
Side is configured with U phase winding 12u as the second layer.That is, in coil 12, in the 5th slot 23E, W phase winding 12w and U phase around
Group 12u is configured in a manner of being laminated in two layers radially.W phase winding 12w and U phase winding 12u is divided by intermediate insulation paper 16
Every.
In addition, being configured with U phase winding 12u as first layer, in internal diameter in the outside diameter of the 7th slot 23G in coil 12
Side is configured with V phase winding 12v as the second layer.That is, in coil 12, in the 7th slot 23G, U phase winding 12u and V phase around
Group 12v is configured in a manner of being laminated in two layers radially.U phase winding 12u and V phase winding 12v is divided by intermediate insulation paper 16
Every.
For being described in detail after intermediate insulation paper 16.
On the other hand, in coil 12, the second slot 23B outside diameter configured with V phase winding 12v as first layer,
Internal side diameter is configured with V phase winding 12v as the second layer.That is, in coil 12, in the second slot 23B, V phase winding 12v and V
Phase winding 12v is configured to one layer radially.
In addition, being configured with W phase winding 12w as first layer, in internal diameter in the outside diameter of the 4th slot 23D in coil 12
Side is configured with W phase winding 12w as the second layer.That is, in coil 12, in the 4th slot 23D, W phase winding 12w and W phase around
Group 12w is configured to one layer radially.
Also, in coil 12, U phase winding 12u is configured with as first layer, in internal diameter in the outside diameter of the 6th slot 23F
Side is configured with U phase winding 12u as the second layer.That is, in coil 12, in the 6th slot 23F, U phase winding 12u and U phase around
Group 12u is configured to one layer radially.
U phase winding 12u, V phase winding 12v, W phase winding 12w of coil 12 is as a result, with the state assembly of multiphase distribution winding
In stator 3.
Wedge-shaped insulating paper 18 is for example provided in the part of 28 side of channel opening portion of the first slot 23G of slot 23A~the 7th.Slot is opened
Oral area 28 is the position not covered by slot insulating paper 14.
As shown in Figure 4, Figure 5, wedge-shaped insulating paper 18 has the first wedge-shaped side 36, the second wedge-shaped side 37 and wedge shape even
Knot 38.First wedge-shaped side 36 is contacted with the first insulation side 31 of slot insulating paper 14.Second wedge-shaped side 37 and slot insulation
Second insulation side 32 of paper 14 contacts.
First wedge-shaped side 36 is linked with the second wedge-shaped side 37 by wedge-shaped linking part 38.Wedge-shaped insulating paper 18 and length
The vertical section shape in direction (that is, axial direction of stator core 11) is for example bent to U-shaped or V-shape.
Fig. 3, Fig. 6 are returned to, by the way that U phase winding 12u, V phase winding 12v, W phase winding 12w of coil 12 is set as multiphase point
Cloth winding, can be such that the torque of the torque profile of the sine wave of each phase of U phase winding 12u, V phase winding 12v, W phase winding 12w becomes
Dynamic (PV) stablizes.Thereby, it is possible to mitigate the synthetic waveform of U phase winding 12u, V phase winding 12v, W phase winding 12w of coil 12
Cogging.Thereby, it is possible to reduce the torque ripple of rotating electric machine, as an example, it especially can be improved 24 electric rotatings
The NV characteristic of machine 1.
Next, according to Fig. 4, Fig. 5 Fig. 7 by it is in the intermediate insulation paper 16 for being configured at multiple slots 23, be configured at the first slot
The intermediate insulation paper 16 of 23A is illustrated as representative examples.
As shown in Figure 4, Figure 5, in the first slot 23A, the U phase winding 12u (first layer) of coil 12, coil 12 V phase around
State configuration of group 12v (second layer) to be laminated in two layers and be connected radially.Adjacent U phase winding 12u and V phase winding
12v is separated by intermediate insulation paper 16.
Intermediate insulation paper 16 has first rib 41, the second rib 42 and intermediate linking part (linking part) 43.Pass through first rib
41, intermediate insulation paper 16 is formed as section W word shape by the second rib 42 and intermediate linking part 43.Pass through the opening of first rib 41
The open end 42a of 41a and the second rib 42 is held to form the opening portion 44 of intermediate insulation paper 16.
First slot side 25 of the first rib 41 towards the first slot 23A.First insulation side 31 and first of slot insulating paper 14
Slot side 25 contacts.First rib 41 is contacted with the first insulation side 31 of slot insulating paper 14 as a result,.
Second slot side 26 of second rib 42 towards the first slot 23A.Second insulation side 32 and second of slot insulating paper 14
Slot side 26 contacts.The second rib 42 is contacted with the second insulation side 32 of slot insulating paper 14 as a result,.
The width dimensions of first rib 41 and the second rib 42 are formed as W1.Width dimensions W1 is set as the bunch of coil 12
The 2 times or more of the outer diameter D 1 of 12a.
For the width dimensions W1 of first rib 41 and the second rib 42 to be set as to the 2 times or more of the outer diameter D 1 of bunch 12a
Reason is described in detail later.
The cardinal extremity 42b of the cardinal extremity 41b of first rib 41 and the second rib 42 is linked by intermediate linking part 43.
The boundary of one end of the cardinal extremity 41b and intermediate linking part 43 of first rib 41 is prominent with (that is, radially inner side) outward
Mode bend, thus formed the first bending part 46.
First bending part 46 along stator core 11 axial direction (that is, along direction of the axis C (referring to Fig.1) of output shaft 5)
Bending.
In addition, the boundary of the cardinal extremity 42b of the second rib 42 and the other end of intermediate linking part 43 is outward (that is, diameter is inside
Side) mode outstanding is bent, to form the second bending part 47.Second bending part 47 is bent along the axial direction of stator core 11.
Intermediate linking part 43 has revers turn part 48.Revers turn part 48 is exhausted towards the middle with first rib 41 and the center of the second rib 42
Opening portion 44 (that is, open end 42a of the open end 41a of first rib 41 and the second rib 42) mode outstanding of edge paper 16 is curved
Folding.
Third bending part 49 is formed in the center of revers turn part 48 as a result,.Third bending part 49 along stator core 11 axis
To bending.
That is, revers turn part 48 is formed as the axial inflection along stator core 11 into the state of section V-shape.
In this way, intermediate insulation paper 16 is formed as section W font by first rib 41, the second rib 42 and intermediate linking part 43
Shape.In addition, intermediate insulation paper 16 is formed as, when being contained in the first slot 23A, first rib 41 and the second rib 42 can be to mutual
Close direction flexible deformation.
Also, revers turn part 48 is formed as section V-shape.Revers turn part 48 is formed in intermediate insulation paper 16 as a result,
Width direction on flexible deformation.
Here, intermediate insulation paper 16 is by being configured at the first slot 23A and being axially inserted into from stator core 11.From stator core
11 when being axially inserted into intermediate insulation paper 16, in the first rib 41 of intermediate insulation paper 16 and the second rib 42 to side close to each other
To flexible deformation and revers turn part 48 is configured at the first slot in a manner of shrinking in the direction of the width in the state of flexible deformation
23A。
In addition, in the state that intermediate insulation paper 16 is contained in the first slot 23A, the open end 41a of first rib 41 and
The open end 42a of two ribs 42 is configured to 27 side of slot flexure plane (that is, depth side of the first slot 23A) towards the first slot 23A.
For configuring the open end 42a of the open end 41a of first rib 41 and the second rib 42 to towards the first slot 23A's
It the reasons why slot 27 side of flexure plane, is described in detail later.
As shown in fig. 7, according to the rotating electric machine 1 of embodiment, in intermediate insulation paper 16, first rib 41 and the second rib
42 are linked by intermediate linking part 43, are formed with revers turn part 48 in intermediate linking part 43.Is contained in intermediate linking part 43 as a result,
In the state of one slot 23A, the revers turn part 48 of intermediate linking part 43 can be made with to the circumferential direction of stator core 11 (that is, the direction arrow A)
The mode flexible deformation of extension.
The flexible deformation in a manner of to arrow A Directional Extension of revers turn part 48, to pass through intermediate linking part 43 for first rib
41 and second rib 42 to the direction arrow A press.
Here, in the first slot 23A, in 44 side of the opening portion of intermediate linking part 43 (that is, the slot flexure plane of the first slot 23A
27 (referring to Fig. 4) sides) it is configured with the U phase winding 12u of coil 12.
In this state, there is load F1 to the effect of third bending part 49 of revers turn part 48 from the U phase winding 12u of coil 12.
As a result, by capableing of the spring of the revers turn part 48 of flexible deformation, it can make revers turn part 48 under the action of load F1 to the
One rib 41 and 42 side of the second rib are extended.
It is bonded thereby, it is possible to be pressed to 25 side of the first slot side first rib 41 with the first insulation side 31.In addition, energy
It is enough to be bonded the second rib 42 with the second insulation side 32 to the pressing of 26 side of the second slot side.Therefore, intermediate insulation can be passed through
Paper 16 mutually suitably separates each of the U phase winding 12u of the coil 12 and V phase winding 12v adjacent with U phase winding 12u.
As a result, in addition to the insulating coating of coil 12, additionally it is possible to which the thickness of intermediate insulation paper 16 to be ensured to be
Insulation distance, therefore further rotating electric machine 1 can be ensured for the safety coefficient of Towards Higher Voltage.
In addition, the revers turn part 48 of intermediate linking part 43 is formed as V-shape, so that the center of intermediate linking part 43 is (that is,
Three bending parts 49) towards the middle the opening portion 44 of linking part 43 it is prominent.
There are load F1, load F1 to be broken down into the effect of third bending part 49 from the U phase winding 12u of coil 12 as a result,
One component F2, the second component F3.First component F2 is directed towards the component that first rib 41 is acted on.Second component F3 is directed towards
The component that two ribs 42 are acted on.
First component F2 is acted on towards first rib 41, so that first rib 41 is pressed against the of 25 side of the first slot side
One insulation side 31.In addition, the second component F3 is acted on towards the second rib 42, so that the second rib 42 is pressed against the second slot side
Second insulation side 32 of 26 side of face.
First rib 41 is held in the first insulation side 31 well as a result, and the second rib 42 is held in the second insulation well
Side 32.Intermediate insulation paper 16 is reliably configured at the specified position of the first slot 23A as a result,.It therefore, can be by intermediate exhausted
Edge paper 16 suitably separates the adjacent U phase winding 12u and V phase winding 12v of coil 12.
Also, first rib 41 is folded between the insulation of the U phase winding 12u of coil 12 and first side 31.In the state
Under, frictional force is generated between first rib 41 and the first insulation side 31.In addition, exhausted in the U phase winding 12u of coil 12 and second
The second rib 42 is folded between edge side 32.In this state, friction is generated between the second rib 42 and the second insulation side 32
Power.
The state that thereby, it is possible to ensure that first rib 41 is made to be attached at the first insulation side 31.In addition, it can be ensured that make second
Rib 42 is attached at the state of the second insulation side 32.Thereby, it is possible to be securely held in intermediate insulation paper 16 by wedge effect
First slot 23A.It therefore, can be by intermediate insulation paper 16 by adjacent U phase winding 12u and V phase winding in coil 12
12v suitably separates.
In addition, each width dimensions W1 of first rib 41 and the second rib 42 is set as the outer diameter D 1 of the bunch 12a of coil 12
2 times or more.State between the insulation of bunch 12a and first side 31 that first rib 41 is folded in U phase winding 12u as a result,
Under, it can make suitably to generate friction between first rib 41 and the first insulation side 31 by the bunch 12a of U phase winding 12u
Power.
In addition, in the state of between the insulation of bunch 12a and second side 32 that the second rib 42 is folded in U phase winding 12u,
It can make suitably to generate frictional force between the second rib 42 and the second insulation side 32 by the bunch 12a of U phase winding 12u.
The state that thereby, it is possible to ensure that first rib 41 is made to be attached at the first insulation side 31 well, further, it is possible to ensure
The second rib 42 is set to be attached at the state of the second insulation side 32 well.Thereby, it is possible to pass through wedge effect for intermediate insulation paper 16
It is securely held in slot insulating paper 14 (that is, first slot 23A).Thereby, it is possible to pass through intermediate insulation paper 16 for the adjacent of coil 12
U phase winding 12u and V phase winding 12v more suitably separate.
Next, according to the first slot 23A of Fig. 8 A~Figure 11 opposite direction stator core 11 assemble coil 12, intermediate insulation paper 16 with
And the process of wedge-shaped insulating paper 18 is illustrated.
Firstly, assembling the U phase winding 12u and intermediate insulation of coil 12 according to Fig. 8 A, Fig. 8 B, Fig. 9 the first slot 23A of opposite direction
The process of paper 16 is illustrated.
As shown in Figure 8 A, in the coil 60 to before the first slot 23A assembly, for example, it is preparatory to the U phase winding 60u in 3 phases
It is wound.
The U phase winding 60u of coil 60 has the curved interior lateral bend 60ua in a manner of protruding inwardly, with outward
Radial extension 60uc mode outstanding curved outer lateral bend 60ub and radially extended.It is pre-formed into winding
U phase winding 60u alternately form interior lateral bend 60ua's and outer lateral bend 60ub with the circumferential direction along stator core 11
Mode is formed as corrugated circumferentially.Radial extension 60uc is formed in from the interior outside lateral bend of lateral bend 60ua
The part of 60ub transition and the part that portion's 60ua transition is curved to the inside from outer lateral bend 60ub.
For example, by the sliding component (not shown) moved from bottom to top, and make interior lateral bend 60ua to stator core 11
Top is axially moveable as arrow B.
As shown in Figure 8 B, interior lateral bend 60ua becomes the upside coil-end outstanding to the upper surface 11a of stator core 11
Portion (transition coil) 12ua.Outer lateral bend 60ub remains in the downside of the lower surface 11b of stator core 11, becomes end turn
(transition coil) 12ub.Radial extension 60uc is pressed into the first slot 23A from channel opening portion 28 and becomes coil sides 12uc.
In this state, for example, by the pressing etc. of the push rod 81 moved from bottom to top, intermediate insulation paper 16 is inside in diameter
Side is moved to the side of coil sides 12uc as arrow C.Intermediate insulation paper 16 is matched in the state of being contained in the first slot 23A
It sets in the side of coil sides 12uc.
U phase winding 12u, intermediate insulation paper 16 can be carried out relative to the assembly of the first slot 23A by manual working,
The devices such as inserter (not shown) can be used.Inserter removes the radially inner side in stator core 11 with sliding component (movable structure
Part) other than, there can also be the fixing component adjacent with movable link (not shown).
The configuration of the circumferential movable link and fixing component of stator core 11 is not particularly limited, movable link and fixed structure
Part can be configured alternately, can also configure fixing component in the side of movable link or two sides.
As shown in figure 9, the U phase winding 12u and intermediate insulation paper 16 of coil 12 are configured at the first slot 23A.In the state
Under, the U phase winding 12u of coil 12 is pressed by the pressing-in force F4 by being pressed into pad 65 together with intermediate insulation paper 16.
U phase winding 12u and intermediate insulation paper 16 are entered by 27 side pressure of slot flexure plane to the first slot 23A as a result,.Pass through pressure
Enter pad 65 to be pressed into U phase winding 12u and intermediate insulation paper 16 together, so as to ensure coil 12 U phase winding 12u insertion
Aperture opening ratio.
Here, intermediate insulation paper 16 is configured to the open end 41a of first rib 41 and the open end 42a direction of the second rib 42
Slot flexure plane 27.In addition, in the state that intermediate insulation paper 16 is pressed into slot 27 side of flexure plane, from the U phase winding 12u of coil 12
There is load F5 to the effect of third bending part 49 of intermediate linking part 43.The load F5 for acting on third bending part 49 is broken down into work
For first rib 41 the first component F6 and act on the second component F7 of the second rib 42.
First component F6 acts on first rib 41, and the second component F7 acts on the second rib 42, so as to by first rib 41
It presses to 25 side of the first slot side and is bonded with the first insulation side 31.In addition, can be by the second rib 42 to the second slot side 26
Side presses and is bonded with the second insulation side 32.
Also, intermediate insulation paper 16 is configured to the open end 41a of first rib 41 and the open end 42a direction of the second rib 42
Slot flexure plane 27.Thereby, it is possible to first rib 41 is securely held in the first insulation side 31 by wedge effect.In addition, can
The second rib 42 is securely held in the second insulation side 32 by wedge effect.Thereby, it is possible to prevent intermediate insulation paper 16 to be biased to
One side of the first insulation side 31 and the second insulation side 32.
Fig. 8 B is returned, makes the end turn 12ua of the upper surface side 11a of stator core 11 to radial outside (that is, the arrow side D
To) expansion.In addition, expanding the end turn 12ub of the lower surface side 11b of stator core 11 to radial outside (that is, the direction arrow D)
?.
Next, assembling the V phase winding 12v and wedge of coil 12 according to Figure 10 A, Figure 10 B, Figure 11 the first slot 23A of opposite direction
The process of shape insulating paper 18 is illustrated.
As shown in Figure 10 A, in the coil 61 to before the first slot 23A assembly, for example, it is preparatory to the V phase winding 61v in 3 phases
It is wound.
The V phase winding 61v of coil 61 has the curved interior lateral bend 61va in a manner of protruding inwardly, with outward
Radial extension 61vc mode outstanding curved outer lateral bend 61vb and radially extended.It is pre-formed into winding
The V phase winding 61v of coil 61 interior lateral bend 61va and outer lateral bend have been alternately formed with the circumferential direction along stator core 11
The mode of portion 61Vb is formed as corrugated circumferentially.Radial extension 61vc is formed in from interior lateral bend 61va outward
Bending section 61vb excessive part and the excessive part portion 61va is curved to the inside from outer lateral bend 61vb.
For example, by the sliding component (not shown) moved from bottom to top, and make interior lateral bend 61va to stator core 11
Top is axially moveable as arrow E.
As shown in Figure 10 B, interior lateral bend 61va becomes the upside coil-end outstanding to the upper surface 11a of stator core 11
Portion (transition coil) 12va.Outer lateral bend 61vb remains in the downside of the lower surface 11b of stator core 11, becomes end turn
(transition coil) 12vb.Radial extension 61vc is pressed into the first slot 23A from channel opening portion 28 and becomes coil sides 12vc.
In this state, for example, by the pressing etc. of the push rod 82 moved from bottom to top, wedge-shaped insulating paper 18 is inside in diameter
Side is moved to the side of coil sides 12vc as arrow E.Wedge-shaped insulating paper 18 is matched in the state of being contained in the first slot 23A
It sets in the side of coil sides 12vc.
V phase winding 12v, wedge-shaped insulating paper 18 can be carried out relative to the assembly of the first slot 23A by manual working,
The devices such as inserter (not shown) can be used.Inserter removes the radially inner side in stator core 11 with sliding component (movable structure
Part) other than, there can also be the fixing component adjacent with movable link (not shown).
The configuration of the circumferential movable link and fixing component of stator core 11 is not particularly limited, movable link and fixed structure
Part can be configured alternately, can also configure fixing component in the side of movable link or two sides.
As shown in figure 11, first rib 41 is pressed to 25 side of the first slot side and is bonded with the first insulation side 31.In addition,
Second rib 42 is pressed to 26 side of the second slot side and is bonded with the second insulation side 32.Intermediate insulation paper 16 is configured as a result,
For the side for being not biased towards the first insulation side 31 and the second insulation side 32.
Thereby, it is possible to prevent the V phase winding 12v of coil 12 from entering between first rib 41 and the first insulation side 31.In addition,
It can prevent the V phase winding 12v of coil 12 from entering between the second rib 42 and the second insulation side 32.
By being repeated in the process illustrated by Fig. 8 A~Figure 11, thus by U phase winding 12u, V phase winding of coil 12
The coil 12 of 12v and W phase winding 12w (referring to Fig. 3) this 3 phase is assemblied in stator core 11.
Next, according to Figure 12, Figure 13 to an example of the indentation fixture 70 for the inserter that can be used in intermediate insulation paper 16
It is illustrated.
As shown in Figure 12 and Figure 13, indentation fixture (fixture) 70 has the first maintaining part 71, the second maintaining part 72, first limit
Position device 73 and second limiter 74.
First maintaining part 71 is to maintain the position of the first rib 41 of intermediate insulation paper 16.Second maintaining part 72 is to maintain centre
The position of second rib 42 of insulating paper 16.It is formed between the first maintaining part 71 and the second maintaining part 72 and keeps space 76.It will
Intermediate insulation paper 16, which is held in, keeps space 76.
First limiter 73 is set to the first maintaining part 71.First limiter 73 is formed to the opening with first rib 41
41a is held to abut.Second limiter 74 is set to the second maintaining part 72.Second limiter 74 is configured to open with second rib 42
End 42a is put to abut.
As a result, in the state that intermediate insulation paper 16 is configured at holding space 76, the open end of first rib 41 can be made
41a is abutted with first limiter 73.In addition, the open end 42a of the second rib 42 can be made to abut with second limiter 74.As a result,
It can prevent intermediate insulation paper 16 from deviating from from holding space 76 by first limiter 73 and second limiter 74.
Here, intermediate insulation paper 16 is installed on the first slot 23A using indentation fixture 70.In order to can by intermediate insulation paper 16
It is held in by ground and keeps space 76, indentation fixture 70 is provided with first limiter 73 and second limiter 74.
On the other hand, revers turn part 48 is formed in the intermediate linking part 43 of intermediate insulation paper 16.As a result, be not present inflection
The flat intermediate linking part 43 in portion 48 is compared, and the width dimensions W2 of intermediate insulation paper 16 becomes larger.Accordingly, it is difficult to from indentation fixture
70 radial be configured at intermediate insulation paper 16 keeps space 76.
Then, make the flexible deformation in a manner of compressing on width direction (that is, the direction arrow G) of intermediate insulation paper 16
Under state, space 76 is kept from axial be inserted into intermediate insulation paper 16 of indentation fixture 70.
In addition, being incited somebody to action using indentation fixture 70 and the indentation push rod 81,82 (referring to Fig. 8 B, Figure 10 B) for being assemblied in lower part
Intermediate insulation paper 16, wedge-shaped insulating paper 18 are axially inserted into the first slot 23A from stator core 11.Thereby, it is possible to by intermediate insulation paper
16 are installed on the second slot 23B well.
Here, the intermediate linking part 43 of intermediate insulation paper 16 is formed as flat situation as comparing by shown in Fig. 4
Example is illustrated.That is, in a comparative example, for example, the intermediate linking part 43 of intermediate insulation paper 16 is formed as flat.Will be intermediate
In the case that linking part 43 is formed as flat, there is load to the effect of intermediate linking part 43 from U phase winding 12u, thus intermediate connection
Portion 43 is deformed into bending towards 28 side of channel opening portion.
The first gap is formed between first rib 41 and the first insulation side 31 as a result,.Alternatively, in the second rib 42 and second
Insulation forms the second gap between side 32.Accordingly, there exist the bunch 12a of V phase winding 12v via the first gap, the second gap
And a possibility that entering the U phase winding side 12u.
However, in order to inhibit the first gap, the second gap, can by the size of intermediate linking part 43 with the first insulation sides
The matched mode of width dimensions between portion 31 and the second insulation side 32 is formed as accurately flat.But if in view of logical
It crosses indentation fixture 70 (referring to Fig.1 3) and intermediate linking part 43 is pressed into the process of the first slot 23A, by indentation pad 65 (referring to Fig. 9)
The process that the intermediate linking part 43 for being configured at the first slot 23A is pressed into, then in the case where the narrower width of intermediate linking part 43,
Although a side of first rib 41, the second rib 42 is attached at slot insulating paper 14, necessarily lead to gap in side.In intermediate linking part
Mountain type is generated in the biggish situation of 43 width to fold, tilt, and is easily accessible outside when being formed in the coil 12 of insertion inside
The shape of coil 12.
In contrast, in embodiments, forming revers turn part 48 in intermediate linking part 43, intermediate insulation paper 16 being formed as
W-shape.Thereby, it is possible to be bonded first rib 41 with the first insulation side 31 by the spring of intermediate insulation paper 16, make
Second rib 42 is bonded with the second insulation side 32.Thus it is preferred to by the intermediate linking part 43 such as embodiment of intermediate insulation paper 16
Be formed as V-shape like that.
Additionally, it is preferred that be, the spacing of the V-shape is the width of set slot 23 or more, also, intermediate insulation paper
The angle of 16 first rib 41 and the second rib 42 is the angle of slot 23 or more.
Also, it is located at the outside of first rib 41 and the second rib 42 relative to the seam of the linking part of intermediate insulation paper 16
Outer diameter (that is, coil bunch diameter) D1 that radius R is less than the bunch 12a of coil 12 is very important.
It should be noted that technical scope of the invention is not limited to above-mentioned embodiment, this can not departed from
It is made various changes in the range of the purport of invention.
For example, in said embodiment, to be formed with a revers turn part 48 in intermediate linking part 43 and by intermediate insulation
The example that paper 16 is formed as W-shape is illustrated, and but not limited to this.It as another example, can also be with slot 23
Shape is accordingly formed with multiple revers turn parts 48 in intermediate linking part 43.
In addition, in said embodiment, the example that revers turn part 48 is formed as V shape is illustrated, but can also
Revers turn part 48 is formed as the other shapes such as U-shaped.
Claims (5)
1. a kind of rotating electric machine, which is characterized in that have:
Stator core circumferentially has multiple teeth, and is formed with slot in adjacent between cog；
Coil is installed on the stator core and being configured at the slot with the state of the multiphase distribution winding based on bunch；
And
Insulating paper, adjacent by the coil are respectively mutually separated,
The insulating paper includes
First rib, the tooth of the side in the tooth of the two sides towards the circumferential slot；
Second rib, the tooth towards another party in the adjacent tooth；And
Linking part links the first rib and second rib,
The linking part has the revers turn part of the axial inflection along the stator core.
2. rotating electric machine according to claim 1, wherein
The insulating paper is formed as section W word shape by the first rib, second rib and the linking part.
3. rotating electric machine according to claim 1 or 2, wherein
The insulating paper be configured to the first rib open end and second rib open end towards the slot depth
Side.
4. rotating electric machine according to any one of claim 1 to 3, wherein
The insulating paper is by being configured at the slot from being axially inserted into for stator core.
5. rotating electric machine according to any one of claim 1 to 4, wherein
The width dimensions of the first rib and second rib are the 2 times or more of the outer diameter of the bunch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017233810A JP2019103311A (en) | 2017-12-05 | 2017-12-05 | Rotary electric machine |
| JP2017-233810 | 2017-12-05 |
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| Publication Number | Publication Date |
|---|---|
| CN109888958A true CN109888958A (en) | 2019-06-14 |
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| CN201811413238.1A Pending CN109888958A (en) | 2017-12-05 | 2018-11-23 | Rotating electric machine |
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| WO2022070441A1 (en) * | 2020-09-29 | 2022-04-07 | 日本電産株式会社 | Member guiding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558242A (en) * | 1978-06-30 | 1980-01-21 | Mitsubishi Electric Corp | Inter-phase insulator for motor |
| JPS57189243U (en) * | 1981-05-28 | 1982-12-01 | ||
| US5258681A (en) * | 1990-06-29 | 1993-11-02 | Kabushiki Kaisha Toshiba | Magnetic slot wedges for dynamo-electric machines |
| US20110197431A1 (en) * | 2010-02-18 | 2011-08-18 | Tesla Motors, Inc. | Manufacturing Methods for a Triple Layer Winding Pattern |
| CN104158356A (en) * | 2014-08-29 | 2014-11-19 | 上海电气集团上海电机厂有限公司 | Manufacturing process of anti-explosion non-salient pole speed adjustment synchronous motor exciter stator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62178757U (en) * | 1986-05-02 | 1987-11-13 | ||
| JPS63182651U (en) * | 1987-05-18 | 1988-11-24 | ||
| JP2974265B2 (en) * | 1990-06-29 | 1999-11-10 | 株式会社東芝 | Magnetic wedge for slot of rotating electric machine |
| JPH1198743A (en) * | 1997-09-19 | 1999-04-09 | Fuji Electric Co Ltd | Armature winding, and its insertion method into groove of iron core |
| JP5609049B2 (en) * | 2009-09-15 | 2014-10-22 | シンフォニアテクノロジー株式会社 | Rotating machine |
| JP2017046508A (en) * | 2015-08-28 | 2017-03-02 | 三菱電機株式会社 | Rotary electric machine and manufacturing method therefor |
-
2017
- 2017-12-05 JP JP2017233810A patent/JP2019103311A/en active Pending
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2018
- 2018-11-23 CN CN201811413238.1A patent/CN109888958A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558242A (en) * | 1978-06-30 | 1980-01-21 | Mitsubishi Electric Corp | Inter-phase insulator for motor |
| JPS57189243U (en) * | 1981-05-28 | 1982-12-01 | ||
| US5258681A (en) * | 1990-06-29 | 1993-11-02 | Kabushiki Kaisha Toshiba | Magnetic slot wedges for dynamo-electric machines |
| US20110197431A1 (en) * | 2010-02-18 | 2011-08-18 | Tesla Motors, Inc. | Manufacturing Methods for a Triple Layer Winding Pattern |
| CN104158356A (en) * | 2014-08-29 | 2014-11-19 | 上海电气集团上海电机厂有限公司 | Manufacturing process of anti-explosion non-salient pole speed adjustment synchronous motor exciter stator |
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Application publication date: 20190614 |