CN206195500U - Electric motor rotor heat radiation structure with streamlined channel -section steel in rectangular cross section linear type channel -section steel and I -shaped cross -section - Google Patents
Electric motor rotor heat radiation structure with streamlined channel -section steel in rectangular cross section linear type channel -section steel and I -shaped cross -section Download PDFInfo
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- CN206195500U CN206195500U CN201621013521.1U CN201621013521U CN206195500U CN 206195500 U CN206195500 U CN 206195500U CN 201621013521 U CN201621013521 U CN 201621013521U CN 206195500 U CN206195500 U CN 206195500U
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Abstract
The utility model relates to an electric motor rotor heat radiation structure with streamlined channel -section steel in rectangular cross section linear type channel -section steel and I -shaped cross -section mainly includes radial ventilation ditch, rotor tooth, axial ventilation way, rotor core and channel -section steel. Rotor core evenly divides the round number section along the axial, leave certain space between the adjacent rotor core, form radial ventilation ditch, adjacent segmented rotor rotor tooth one -to -one in the axial unshakable in one's determination, the channel -section steel is arranged in radial ventilation ditch and distributes along the circumference, and install between the rotor tooth of adjacent segmented rotor iron core, a streamlined channel -section steel in I -shaped cross -section and a rectangular cross section linear type channel -section steel have been placed between every rotor tooth of adjacent segmented rotor iron core, rotor core is close to pivot department fluting, formation axial ventilation way, for moving, cooling medium flow provides the route, the structure is being guaranteed under its prerequisite that supports intensity, its pectinid ability of full play and fluid guide effect, and very big degree promotes the rotor radiating effect, and then promotes motor work efficiency.
Description
Technical field
The utility model is related to a kind of motor with the streamlined channel-section steel of square-section linear pattern channel-section steel and I-shaped cross-section
Rotor radiator structure, belongs to motor ventilation technology and manufactures and designs field.
Background technology
In high power density motor internal, electric machine rotor iron core segmentation forms radial ducts, included groove between stack of lamination
Steel, plays support member.At the same time, in motor rotation process, rotor ventilation channel-section steel can be played to a certain extent
The effect of fan, and cooling medium flow behavior can be improved.China Patent No. is the work shape described in 201320330289.4
Section channel-section steel, can effectively lift intensity, but not take into full account that channel-section steel changes the effect of gas flowing；China Patent No. is
Many replicated structures channel-section steels described in 201420848187.6, the boundary layer beaten between the cooling gas for flowing through brokenly air duct increases
Area of dissipation, but the larger easy formation vortex of junction windage.Above two channel-section steel structure fails efficiently leading using channel-section steel
Fluidity energy and pectinid performance.
Utility model content
Technology solve problem of the present utility model is：Existing motor is overcome to be led because rotor ventilation channel-section steel utilization rate is not high
The problem of the ventilation effect difference of cause, proposes the aeration structure of effectively lifting rotor wind dispelling ability, makes motor internal cooling medium stream
Efficiency of movement is relative to be improved, and cooling effect makes moderate progress.
Technical solution of the present utility model is：With square-section linear pattern channel-section steel and I-shaped cross-section streamline type groove
The rotor radiator structure of steel, mainly including Radial ventilation duct (1), rotor tooth (2), axial ventilation road (3), rotor core
And channel-section steel (5) (4).Rotor core (4) is uniformly divided into several sections vertically, and hop count n is relevant with rotor axial direction length D, i.e. n
=D/184~D/210.A fixed gap is left between adjacent rotor iron core (4), Radial ventilation duct (1), Radial ventilation duct is formed
(1) axial width L and rotor internal diameter R1, rotor diameter R2It is relevant with axial length D, i.e. L=[D/840+ (R2-R1)/
240]~[D/700+ (R2-R1)/200].The rotor tooth (2) of adjacent segmented rotor iron core (4) is corresponded in the axial direction, groove
Steel (5) in Radial ventilation duct (1) and circumferentially, and installed in adjacent sectional rotor core (4) rotor tooth (2) it
Between, two channel-section steels (5) are placed between each rotor tooth (2) of adjacent sectional rotor core (4), rotor core (4) is close to and turns
Slotted at axle, form axial ventilation road (3), for cooling medium flowing provides path, wherein, axial ventilation road (3) Cross section Design
It is circle, diameter of phi and rotor internal diameter R1, rotor diameter R2It is relevant, i.e. Φ=0.14 (R2-R1(the R of)~0.192-R1), axle
To ventilating duct (3) from rotating shaft most nearby with the radial distance W=1/2 Φ between rotor core (4) inner circle, adjacent two axial ventilation
Angle α=18 ° of road (3) central point and rotor core (4) origin line.Two channel-section steels are divided into two kinds of specifications, Yi Zhongwei
The streamlined channel-section steel in I-shaped cross-section, its length is more long, undulate formula extended structure, and another kind is square-section straight line type groove
Steel, its length is shorter, extends straight structure, the streamlined channel-section steel height L in I-shaped cross-section2With rotor internal diameter R1, outside rotor
Footpath R2It is relevant with axial length D, it is L2=[D/840+ (R2-R1)/240]~[D/700+ (R2-R1)/200], channel cross-section W wide2
With channel-section steel height L2It is relevant, it is W2=1/2L2~1/3L2, channel-section steel web W wide3W wide with channel cross-section2It is relevant, it is W3=1/2W2~
1/3W2, channel-section steel listrium L high3With channel-section steel height L2It is relevant, it is L3=0.09L2~0.11L2, channel-section steel listrium is oblique near web side
While and angle β is designed as 130 °~136 ° during web, square-section linear pattern channel-section steel height L4With rotor internal diameter R1, rotor
External diameter R2It is relevant with axial length D, it is L4=[D/840+ (R2-R1)/240]~[D/700+ (R2-R1)/200], channel cross-section is wide
W4With channel-section steel height L4It is relevant, it is W4=1/2L4~1/3L4.The streamlined channel-section steel width W in I-shaped cross-section1With channel cross-section width
W2It is relevant, it is W1=1.75W2~1.81W2, the segmental arc radius R of the streamlined channel-section steel in I-shaped cross-section3With channel-section steel height L2It is relevant, be
R3=4.3L2~4.6L2, a straight length L for segmental arc1=1.94R3。
The streamlined channel-section steel in I-shaped cross-section is made up of 5 segmental arcs, its length L6=0.23R2-0.26R1~0.27R2-
0.25R1, square-section linear pattern channel-section steel length L5=0.10R2-0.11R1~0.13R2-0.12R1, it is positioned over two segmentations and turns
Two channel-section steels in sub- iron core between respective rotor tooth are respectively an above-mentioned streamlined channel-section steel in I-shaped cross-section and one above-mentioned
Square-section linear pattern channel-section steel.Two channel-section steel distance Edge Distance W unshakable in one's determination5With tooth width L7It is relevant, it is W5=L7/10.In channel-section steel
Distal shaft end, square-section linear pattern channel-section steel is away from its nearest neighbours tooth back gauge L8With channel-section steel height L4It is relevant, i.e. L8=0.9L4~
1.1L4, the streamlined channel-section steel in I-shaped cross-section at channel-section steel distal shaft end, away from its nearest tooth back gauge L9With short steel away from its nearest neighbours tooth side
Apart from L8, channel cross-section width W2And the streamlined channel-section steel width W in I-shaped cross-section1It is relevant, it is L9=L8-(W2-W1)/4, two channel-section steels
Between spacing and channel cross-section width W2, the streamlined channel-section steel width W in I-shaped cross-section1, channel-section steel width L7With short steel away from its nearest neighbours
Locate tooth back gauge L8It is relevant, beeline L10=L7-2L8-W1.On the whole, channel-section steel is in circumferentially regularity distribution, adjacent three
The corresponding channel-section steel of individual rotor tooth is one group, and channel-section steel mounting means of any one group is followed successively by " I-shaped section in the direction of the clock
Surface current line style channel-section steel ", " square-section linear pattern channel-section steel ", " square-section linear pattern channel-section steel ", " I-shaped cross-section streamline type groove
Steel ", " square-section linear pattern channel-section steel ", " the streamlined channel-section steel in I-shaped cross-section ".
The utility model advantage compared with prior art is：Put between each rotor tooth of adjacent sectional rotor core
A streamlined channel-section steel in I-shaped cross-section and a square-section linear pattern channel-section steel are equipped with, rotor wind is flowed through from change in various degree
Amount, strengthens motor internal gas flow capability, reaches more preferable cooling effect, and temperature is more under identical running status to make motor
It is low.
Brief description of the drawings
Fig. 1 is electric machine rotor iron core aeration structure schematic diagram；
Fig. 2 is part A enlarged drawing in Fig. 1；
Fig. 3 is the front view of electric machine rotor iron core aeration structure in Fig. 1；
Fig. 4 is the right view of electric machine rotor iron core aeration structure in Fig. 1；
Fig. 5 is the streamlined channel-section steel schematic diagram in I-shaped cross-section；
Fig. 6 is the streamlined channel-section steel top view in I-shaped cross-section；
Fig. 7 is square-section linear pattern rotor channel-section steel schematic diagram；
Fig. 8 is the streamlined channel cross-section figure in I-shaped cross-section；
Fig. 9 is square-section linear pattern channel cross-section figure；
Figure 10 is channel-section steel distribution schematic diagram in one rotor radial air duct section of motor；
Figure 11 is part B enlarged drawing in Figure 10；
Figure 12 is C portion enlarged drawing in Figure 11.
Specific embodiment
The utility model is elaborated below according to accompanying drawing preferred embodiment.
(Fig. 2 is part A enlarged drawing in Fig. 1, and Fig. 3 is Fig. 1 front views, and Fig. 4 is regarded for Fig. 1 right sides as shown in Figure 1, Figure 2 and Figure 3
Figure), the rotor with the streamlined channel-section steel of square-section linear pattern channel-section steel and I-shaped cross-section described in the utility model dissipates
Heat structure, mainly including Radial ventilation duct (, 1), rotor tooth (2), axial ventilation road (3), rotor core (4) and channel-section steel (5).
For capacity in the large-size machine of 1MW~1000MW, rotor core (4) is uniformly divided into several sections vertically, and hop count n turns with motor
Sub- axial length D is relevant, i.e. n=D/184~D/210.A fixed gap is left between adjacent rotor iron core (4), forms radially logical
Wind ditch (1), the axial width L and rotor internal diameter R of Radial ventilation duct (1)1, rotor diameter R2It is relevant with axial length D, i.e. L
=[D/840+ (R2-R1)/240]~[D/700+ (R2-R1)/200].The rotor tooth (2) of adjacent segmented rotor iron core (4) exists
Corresponded on axial direction, channel-section steel (5) in Radial ventilation duct (1) and circumferentially, and installed in adjacent sectional rotor iron
Between the rotor tooth (2) of the heart (4), two channel-section steels (5) are placed between each rotor tooth (2) of adjacent sectional rotor core (4),
Rotor core (4) is slotted at rotating shaft, forms axial ventilation road (3), for cooling medium flowing provides path, wherein, axially
Ventilating duct (3) Cross section Design is circle, diameter of phi and rotor internal diameter R1, rotor diameter R2It is relevant, i.e. Φ=0.14 (R2-
R1(the R of)~0.192-R1), axial ventilation road (3) from rotating shaft most nearby with the radial distance W=1/ between rotor core (4) inner circle
Angle α=18 ° of 2 Φ, adjacent two axial ventilation road (3) central point and rotor core (4) origin line.In the present embodiment,
Rotor internal diameter is R1=1800mm, rotor diameter is R2=2842mm, rotor core (4) axial length D=3570mm, warp
Optimization design is crossed, hop count n=17~19 of rotor core (4) segmentation, preferably 18, the axial length L of Radial ventilation duct (1) can be obtained
=8.58mm~10.31mm, preferably 10mm, axial ventilation road diameter of phi=145.88mm~197.98mm, preferably 167mm, W=
83.56mm。
In order to more preferably improve ventilation effect, channel-section steel described in the utility model is divided into two kinds of specifications, and one kind is I-shaped cross-section
Streamlined channel-section steel, its length is more long, and channel-section steel undulate formula extended structure, and (this figure only shows reality as shown in Figure 5 and Figure 6
Whole the one of channel-section steel section), wherein Fig. 5 is the streamlined channel-section steel schematic diagram in I-shaped cross-section, and Fig. 6 is the streamlined channel-section steel in I-shaped cross-section
Top view；One kind is square-section linear pattern channel-section steel, and its length is shorter, and channel-section steel extends straight structure, as shown in Figure 7.Institute
State channel cross-section as shown in Figure 8 and Figure 9, wherein Fig. 8 is the streamlined channel cross-section figure in I-shaped cross-section, Fig. 9 is that square-section is straight
Line style channel-section steel sectional view.To ensure the intensity of I-shaped channel-section steel, to the channel-section steel height (L in Fig. 82), channel cross-section width (Fig. 8
Middle W2), channel-section steel web (W in Fig. 8 wide3) and the channel-section steel listrium (L in Fig. 8 high3) optimize design.In Fig. 8, I-shaped cross-section
Streamlined channel-section steel height L2With rotor internal diameter R1, rotor diameter R2It is relevant with axial length D, it is L2=[D/840+ (R2-
R1)/240]~[D/700+ (R2-R1)/200], channel cross-section W wide2With channel-section steel height L2It is relevant, it is W2=1/2L2~1/3L2, groove
Steel web W wide3W wide with channel cross-section2It is relevant, it is W3=1/2W2~1/3W2, channel-section steel listrium L high3With channel-section steel height L2It is relevant, be
L3=0.09L2~0.11L2, in the present embodiment, rotor internal diameter is R1=1800mm, rotor diameter is R2=2842mm,
Rotor core (4) axial length D=3570mm, therefore L2=8.58mm~10.31mm, preferably 10mm, W2=3.3mm~5mm,
It is preferred that 4.11mm, W3=1.37mm~2.06mm, preferably 1.52mm, L3=0.9mm~1.1mm, preferably 1mm.Channel-section steel listrium is close to
The hypotenuse and web side angle β of web side are designed as 130 °~136 °, preferably 135 ° in this example.As shown in figure 9, square-section
Linear pattern channel-section steel height L4With rotor internal diameter R1, rotor diameter R2It is relevant with axial length D, it is L4=[D/840+ (R2-
R1)/240]~[D/700+ (R2-R1)/200], channel cross-section W wide4With channel-section steel height L4It is relevant, it is W4=1/2L4~1/3L4.Its
In, L4=8.58mm~10.31mm, preferably 10mm, W4=3.3mm~5mm, preferably 4.11mm.Such as Fig. 6, I-shaped cross-section streamline
Type groove steel width W1With channel cross-section width W2It is relevant, i.e. W1=1.75W2~1.81W2, W herein1=7.19mm~7.43mm, it is excellent
Select 7.32mm.Segmental arc radius R3(being the radius of maximum deflection point), design and channel-section steel height L2It is relevant, i.e. R3=4.3L2~
4.6L2, i.e. R3=43mm~46mm, preferably 45mm.One straight length L of segmental arc1=1.94R3, i.e. 87.3mm.It is so designed that
Pectinid effect is the most obvious.Adjacent two arc segment structures size is identical, and bending direction is opposite.
Figure 10, Figure 11 and Figure 12 are that in a rotor radial air duct section, (Figure 11 is in Figure 10 for channel-section steel scheme of installation
Part B enlarged drawing, Figure 12 is C portion enlarged drawing in Figure 11).Channel-section steel length and rotor internal diameter R1And external diameter R2It is relevant, the present embodiment
The streamlined channel-section steel in I-shaped cross-section is made up of 5 segmental arcs, its length L6=0.23R2-0.26R1~0.27R2-0.25R1, this
Place L6=185.66mm~317.34mm, preferably 275mm.Square-section linear pattern channel-section steel length L5=0.10R2-0.11R1~
0.13R2-0.12R1, L herein5=86.2mm~153.46mm, preferably 110mm.It is positioned over correspondence in two segmented rotor iron cores
Two channel-section steels between rotor tooth are respectively an above-mentioned streamlined channel-section steel in I-shaped cross-section and an above-mentioned square-section straight line
Type groove steel.Two channel-section steels distance Edge Distance unshakable in one's determination (W in Figure 125) and tooth width L7It is relevant, i.e. W5=L7/10.In channel-section steel distal shaft
End, square-section linear pattern channel-section steel is away from its nearest neighbours tooth back gauge L8With channel-section steel height L4It is relevant, i.e. L8=0.9L4~1.1L4, side
To extending to axle.The streamlined channel-section steel in I-shaped cross-section at channel-section steel distal shaft end, away from its nearest tooth back gauge L9With short steel apart from it most
Nearly tooth back gauge L8, channel cross-section width W2And the streamlined channel-section steel width W in I-shaped cross-section1It is relevant, i.e. L9=L8-(W2-W1)/4,
Direction extends to axle.Due to fairshaped presence, between two channel-section steels spacing be variate, and with channel cross-section width W2, it is I-shaped
Gross section streamlines type groove steel width W1, channel-section steel width L7With short steel at its nearest neighbours tooth back gauge L8It is relevant, the most short distance of two channel-section steels
From L10=L7-2L8-W1.In the present embodiment, facewidth L7=40mm, W1=3.35mm, W2=4.11mm, i.e. L8=9mm~11mm,
It is preferred that 10.52mm, L9=9.72mm, L10=11.64mm.On the whole, channel-section steel is in circumferentially regularity distribution, and adjacent three turn
The corresponding channel-section steel of sub- tooth is one group, and channel-section steel (I, II, III in Figure 11) mounting means of any one group is in the direction of the clock successively
For " the streamlined channel-section steel in I-shaped cross-section ", " square-section linear pattern channel-section steel ", " square-section linear pattern channel-section steel ", " I-shaped section
Surface current line style channel-section steel ", " square-section linear pattern channel-section steel ", " the streamlined channel-section steel in I-shaped cross-section ", motor whole rotor tooths are pressed
Sequence counter-clockwise is divided into misaligned each other some groups, and the rule of each group is identical.When ventilation steel channel is designed to the I-shaped stream
During line style cross section structure, can make have significant change into the flow direction of the fluid of air duct and speed, flowing can be effectively improved
Performance, due to the bending of streamlined channel-section steel, the difference of rotor direction of rotation can influence cooling medium to flow into the flow velocity in air duct
And flow, it is arranged such, when motor turns clockwise, air quantity maximum can improve 16%~23%.
The above, specific embodiment only of the present utility model, but it is of the present utility model protection be not limited thereto,
Those skilled in the art are not in the case where principle is changed, and it is new that any improvement without substantial variations made also should be regarded as this practicality
The protection domain of type.
The content not being described in detail in the utility model specification belongs to existing known to professional and technical personnel in the field
Technology.
Claims (2)
1. the rotor radiator structure of the streamlined channel-section steel of square-section linear pattern channel-section steel and I-shaped cross-section is carried, and its feature exists
In：Mainly include Radial ventilation duct (1), rotor tooth (2), axial ventilation road (3), rotor core (4) and channel-section steel (5), rotor
(4) unshakable in one's determination are uniformly divided into several sections vertically, and hop count n is relevant with rotor axial direction length D, i.e. n=D/184~D/210 is adjacent
A fixed gap is left between rotor core (4), Radial ventilation duct (1), the axial width L and motor of Radial ventilation duct (1) is formed
Rotor internal diameter R1, rotor diameter R2It is relevant with axial length D, i.e. L=[D/840+ (R2-R1)/240]~[D/700+ (R2-R1)/
200], the rotor tooth (2) of adjacent segmented rotor iron core (4) is corresponded in the axial direction, and channel-section steel (5) is positioned at Radial ventilation duct
(1) in and circumferentially, and between the rotor tooth (2) of adjacent sectional rotor core (4), adjacent sectional rotor core
(4) two channel-section steels (5) are placed between each rotor tooth (2), rotor core (4) is slotted at rotating shaft, form axially logical
Air channel (3), for cooling medium flowing provides path, wherein, axial ventilation road (3) Cross section Design is circle, diameter of phi and motor
Rotor internal diameter R1, rotor diameter R2It is relevant, i.e. Φ=0.14 (R2-R1(the R of)~0.192-R1), axial ventilation road (3) from rotating shaft most
Nearby with the radial distance W=1/2 Φ between rotor core (4) inner circle, adjacent two axial ventilation road (3) central point and rotor iron
Angle α=18 ° of the heart (4) origin line, two channel-section steels are divided into two kinds of specifications, and one kind is I-shaped cross-section streamline type groove
Steel, its length is more long, undulate formula extended structure, and another kind is square-section linear pattern channel-section steel, and its length is shorter, linearly
Extended structure, the streamlined channel-section steel height L in I-shaped cross-section2With rotor internal diameter R1, rotor diameter R2It is relevant with axial length D,
It is L2=[D/840+ (R2-R1)/240]~[D/700+ (R2-R1)/200], channel cross-section W wide2With channel-section steel height L2It is relevant, it is W2
=1/2L2~1/3L2, channel-section steel web W wide3W wide with channel cross-section2It is relevant, it is W3=1/2W2~1/3W2, channel-section steel listrium L high3With
Channel-section steel height L2It is relevant, it is L3=0.09L2~0.11L2, hypotenuse and web side angle β design of the channel-section steel listrium near web side
It is 130 °~136 °, square-section linear pattern channel-section steel height L4With rotor internal diameter R1, rotor diameter R2Have with axial length D
Close, be L4=[D/840+ (R2-R1)/240]~[D/700+ (R2-R1)/200], channel cross-section W wide4With channel-section steel height L4It is relevant,
It is W4=1/2L4~1/3L4, the streamlined channel-section steel width W in I-shaped cross-section1With channel cross-section width W2It is relevant, it is W1=1.75W2
~1.81W2, the segmental arc radius R of the streamlined channel-section steel in I-shaped cross-section3With channel-section steel height L2It is relevant, it is R3=4.3L2~4.6L2, one
The straight length L of individual segmental arc1=1.94R3。
2. the motor with the streamlined channel-section steel of square-section linear pattern channel-section steel and I-shaped cross-section according to claim 1 turns
Sub- radiator structure, it is characterised in that：The streamlined channel-section steel in I-shaped cross-section is made up of 5 segmental arcs, its length L6=0.23R2-
0.26R1~0.27R2-0.25R1, square-section linear pattern channel-section steel length L5=0.10R2-0.11R1~0.13R2-0.12R1, put
Being placed in two channel-section steels in two segmented rotors iron core between respective rotor tooth, to be respectively an above-mentioned I-shaped cross-section streamlined
Channel-section steel and an above-mentioned square-section linear pattern channel-section steel, two channel-section steel distance Edge Distance W unshakable in one's determination5With tooth width L7It is relevant, it is W5
=L7/ 10, at channel-section steel distal shaft end, square-section linear pattern channel-section steel is away from its nearest neighbours tooth back gauge L8With channel-section steel height L4It is relevant, i.e.,
L8=0.9L4~1.1L4, the streamlined channel-section steel in I-shaped cross-section at channel-section steel distal shaft end, away from its nearest tooth back gauge L9With short steel distance
Its nearest tooth back gauge L8, channel cross-section width W2And the streamlined channel-section steel width W in I-shaped cross-section1It is relevant, it is L9=L8-(W2-
W1)/4, spacing and channel cross-section width W between two channel-section steels2, the streamlined channel-section steel width W in I-shaped cross-section1, channel-section steel width L7With it is short
Steel tooth back gauge L at its nearest neighbours8It is relevant, beeline L10=L7-2L8-W1, on the whole, channel-section steel is circumferentially in regularity
Distribution, the corresponding channel-section steel of adjacent three rotor tooths is one group, and the channel-section steel mounting means of any one group is in the direction of the clock successively
For " the streamlined channel-section steel in I-shaped cross-section ", " square-section linear pattern channel-section steel ", " square-section linear pattern channel-section steel ", " I-shaped section
Surface current line style channel-section steel ", " square-section linear pattern channel-section steel ", " the streamlined channel-section steel in I-shaped cross-section ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013521.1U CN206195500U (en) | 2016-08-29 | 2016-08-29 | Electric motor rotor heat radiation structure with streamlined channel -section steel in rectangular cross section linear type channel -section steel and I -shaped cross -section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013521.1U CN206195500U (en) | 2016-08-29 | 2016-08-29 | Electric motor rotor heat radiation structure with streamlined channel -section steel in rectangular cross section linear type channel -section steel and I -shaped cross -section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195500U true CN206195500U (en) | 2017-05-24 |
Family
ID=58727929
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013521.1U Expired - Fee Related CN206195500U (en) | 2016-08-29 | 2016-08-29 | Electric motor rotor heat radiation structure with streamlined channel -section steel in rectangular cross section linear type channel -section steel and I -shaped cross -section |
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| Country | Link |
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| CN (1) | CN206195500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728668A (en) * | 2018-12-19 | 2019-05-07 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of ventilation cooling structure of rotor |
-
2016
- 2016-08-29 CN CN201621013521.1U patent/CN206195500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728668A (en) * | 2018-12-19 | 2019-05-07 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of ventilation cooling structure of rotor |
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Granted publication date: 20170524 Termination date: 20170829 |