CN109474126A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN109474126A CN109474126A CN201910055712.6A CN201910055712A CN109474126A CN 109474126 A CN109474126 A CN 109474126A CN 201910055712 A CN201910055712 A CN 201910055712A CN 109474126 A CN109474126 A CN 109474126A
- Authority
- CN
- China
- Prior art keywords
- rear end
- ventilation hole
- bearing bracket
- motor
- connecting pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 48
- 238000004804 winding Methods 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 description 6
- 239000010754 BS 2869 Class F Substances 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
This application involves a kind of motor, comprising: shaft, stator, stator winding, rotor, lead-out wire, drive end bearing bracket, rear end cap and fan blade, drive end bearing bracket, rear end cap and fan blade are socketed in shaft；Support leg, front end connecting pin and front end ventilation hole are provided on drive end bearing bracket, support leg protrudes outward the plane in drive end bearing bracket to form the space of placement fan blade；Rear end connecting pin and rear end ventilation hole are provided on rear end cap；Fan blade is located in the space of support leg formation and is arranged in shaft, and fan blade is dried by front end ventilation hole to the inside of motor when rotation, and wind is from the blowout of rear end ventilation hole, to form air duct；Front end connecting pin is connected by connector with rear end connecting pin, and there are gaps between drive end bearing bracket and rear end cap after connection.Internally being dried using the motor of the application by the fan blade outside motor can be effectively reduced the temperature of motor interior, extend the service life of motor.
Description
Technical field
This application involves electrical equipment technical field more particularly to a kind of motor.
Background technique
Motor is widely used in many fields in production and life, for example, being applied to transit equipment field, household electric
Device and the communications field etc..When being applied to different field, the structure and size of motor is not quite similar.
In addition, the operating ambient temperature of motor is higher in some fields, heat can be also generated when motor running in addition
Amount, and the meeting acceleration motor aging of motor interior high temperature, influence the service life of motor.
Summary of the invention
The application provides a kind of motor, to reduce the temperature of motor interior to a certain extent, to extend electronic
The service life of machine.
The application provides a kind of motor, comprising: shaft, stator, stator winding, rotor, lead-out wire, drive end bearing bracket, rear end
Lid and fan blade,
In the stator, the rotor corresponds to the stator and is arranged and is socketed in the shaft stator winding
On, for connecting power supply, the drive end bearing bracket, the rear end cap and the fan blade are socketed in the shaft lead-out wire；
The drive end bearing bracket is circular configuration, is provided with support leg, front end connecting pin and front end ventilation hole on the drive end bearing bracket,
The support leg protrudes outward the periphery in the drive end bearing bracket to form the space for disposing the fan blade, and the drive end bearing bracket passes through
Preceding end bearing is connected in the shaft；
The rear end cap is circular configuration, rear end connecting pin and rear end ventilation hole is provided on the rear end cap, after described
End cap is connected in the shaft by rear end bearing；
The fan blade is located in the space of support leg formation and setting is in the shaft, and when rotation passes through institute
It states front end ventilation hole to dry to the inside of the motor, wind is blown out from the rear end ventilation hole；
The front end connecting pin is connected by connector with the rear end connecting pin, the drive end bearing bracket and described after connection
There are gaps between rear end cap.
Optionally, the front end ventilation hole centered on the center of circle of the drive end bearing bracket symmetrically be provided at least two
It is a, the rear end ventilation hole centered on the center of circle of the rear end cap symmetrically be provided at least two.
Optionally, the shape of the front end ventilation hole and the rear end ventilation hole is fan ring.
Optionally, the area of the rear end ventilation hole is greater than the area of the front end ventilation hole.
Optionally, the motor further include:
Front end internal clamp and/or rear end internal clamp；
The front end internal clamp is arranged between the drive end bearing bracket and the preceding end bearing, and the rear end internal clamp is set
It sets between the rear end cap and the rear end bearing.
Optionally, the front end internal clamp and/or the rear end internal clamp are corrugated gasket.
Optionally, the motor further include:
Front end external fastening element and/or rear end external fastening element；
The side far from the drive end bearing bracket of the preceding end bearing is arranged in the front end external fastening element, tight outside the rear end
The side far from the rear end cap of the rear end bearing is arranged in firmware.
Optionally, the front end external fastening element and/or the rear end external fastening element are E type circlip.
Optionally, the quantity of the support leg is at least two, and the quantity of the front end connecting pin is at least two, described
The quantity of rear end connecting pin is at least two, and the quantity of the rear end connecting pin is equal with the quantity of the front end connecting pin
And position corresponds.
Optionally, the insulating layer of the stator winding is H class F insulating material F.
The technical solution that embodiments herein provides can include the following benefits:
Drive end bearing bracket and rear end cap with ventilation hole, front and back is respectively set in stator and two ends of rotor on motor rotary shaft
End cap is connected to form motor interior space, and the accommodation space for having the support leg of lengthening to be formed on the outside of drive end bearing bracket,
Fan blade is mounted in shaft in the accommodation space, when motor start-up, fan blade is rotated to motor interior with shaft and dried, wind
It is blown by drive end bearing bracket ventilation hole, is blown out from rear end cap ventilation hole, formed air duct and take the partial heat of motor interior out of, because
This can reduce the temperature of motor interior, extend the service life of motor.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is a kind of sectional view of electric motor structure provided by the embodiments of the present application.
Fig. 2 is a kind of explosive view of electric motor structure provided by the embodiments of the present application.
Fig. 3 is a kind of top view of electric motor structure provided by the embodiments of the present application.
Appended drawing reference: 1- shaft, 2- stator, 3- rotor, 4- stator winding, 5- lead-out wire, 6- drive end bearing bracket, 7- rear end cap,
8- fan blade, 9- connector, end bearing before 10-, 11- rear end bearing, the front end 12- internal clamp, the rear end 13- internal clamp, before 14-
Hold external fastening element, the rear end 15- external fastening element, 16- support leg, the front end 17- connecting pin, the front end 18- ventilation hole, the connection of the rear end 19-
Foot, the rear end 20- ventilation hole.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of sectional view of electric motor structure provided by the embodiments of the present application.As shown in Figure 1, this
The motor that embodiment provides includes: shaft 1, stator 2, stator winding 4, rotor 3, lead-out wire 5, drive end bearing bracket 6,7 and of rear end cap
Fan blade 8；Stator winding 4 is in stator 2, and the corresponding stator 2 of rotor 3 is arranged and is socketed in shaft 1, and lead-out wire 5 is for connecting
Power supply is connect, drive end bearing bracket 6, rear end cap 7 and fan blade 8 are socketed in shaft.
Specifically, stator winding 4 can be socketed in shaft 1 in stator 2 using distributed winding, rotor 3
Mode can be interference fit either other way.Lead-out wire 5 includes at least firewire and zero curve, in order to improve safety coefficient also
It may include ground wire.
Fig. 1 and Fig. 2 are please referred to, Fig. 2 is a kind of explosive view of electric motor structure provided by the embodiments of the present application.Drive end bearing bracket 6
For circular configuration, it is provided with support leg 16, front end connecting pin 17 and front end ventilation hole 18 on drive end bearing bracket 6, support leg 16 is to evagination
The space of placement fan blade 8 is formed for the periphery of drive end bearing bracket 6, drive end bearing bracket 6 is connected in shaft 1 by preceding end bearing 10.
Specifically, drive end bearing bracket 6 is the view that circular configuration refers to drive end bearing bracket 6, such as is left view by taking Fig. 1 as an example
Figure, is approximately circular configuration, that is to say, that if the entirety for considering drive end bearing bracket 6, it is approximate cylindrical structure.Front end ventilation
Hole 18 is located in the plane of the drive end bearing bracket 6 of the cylindrical structure, and support leg 16 is located at the drive end bearing bracket 6 of the cylindrical structure
On side, and forward end outer side of lid is prominent, to form the space of placement fan blade 8, refers to: installing on the outside of the drive end bearing bracket
Cheng Hou, using 18 place plane of front end ventilation hole as boundary, the side far from rear end cap 7 is outside, and the side close to rear end cap 7 is interior
Side.Other than providing space for installation fan blade 8, motor is connected in other equipment support leg 16 by another function as
Connection structure, further, support leg 16 may include connecting hole.Drive end bearing bracket 6 and the connection type of preceding end bearing 10 are specific
It may is that the setting of 6 medial center of drive end bearing bracket is fluted, preceding end bearing 10 is closely embedded in the groove and ensures to slide.
The connection type of preceding end bearing 10 and shaft 1 can be interference fit.
Please continue to refer to Fig. 1 and Fig. 2, rear end cap 7 is circular configuration, and rear end connecting pin 19 is provided on rear end cap 7 with after
Ventilation hole 20 is held, rear end cap 7 is connected in shaft 1 by rear end bearing 11.Specifically, the structure of rear end cap 7 and drive end bearing bracket 6
Structure is essentially identical, and difference is not set support leg on rear end cap 7.It certainly, in further embodiments, can also on rear end cap
Support leg is arranged, those skilled in the art can be adjusted according to actual needs.
Please continue to refer to Fig. 1 and Fig. 2, fan blade 8 is located in the space of the formation of support leg 16 and is arranged in shaft 1, rotation
When by front end ventilation hole 18 to the inside of motor dry, wind from rear end ventilation hole 20 blow out.
Specifically, fan blade 8 is removably arranged in shaft 1, and becomes an entirety with shaft 1, opens in motor
When dynamic, fan blade 8 is rotated with the rotation of shaft 1, is dried by front end ventilation hole 18 to the inside of motor when fan blade 8 rotates,
Wind is blown out from rear end ventilation hole 20, is taken the heat of motor interior out of to form air duct, therefore reduce motor interior
Temperature, to extend the service life of motor.
Referring to Fig. 3, Fig. 3 is a kind of top view of electric motor structure provided by the embodiments of the present application.Front end connecting pin 17
It is connected by connector 9 with rear end connecting pin 19, there are gaps between drive end bearing bracket 6 and rear end cap 7 after connection.Further,
Connector 9 can be long spiro nail and nut.There are gaps between drive end bearing bracket and rear end cap, first is that in order to make up front and rear cover casting
When the tolerance that generates, guarantee the concentricity of front and rear cover, second is that the part hot-air of motor interior can be flowed out from gap, add
The heat dissipation of fast motor.
The technical solution provided by the above embodiment of the application can include the following benefits:
Drive end bearing bracket and rear end cap with ventilation hole, front and back is respectively set in stator and two ends of rotor on motor rotary shaft
End cap is connected to form motor interior space, and the accommodation space for having the support leg of lengthening to be formed on the outside of drive end bearing bracket,
Fan blade is mounted in shaft in the accommodation space, when motor start-up, fan blade is rotated to motor interior with shaft and dried, wind
It is blown by drive end bearing bracket ventilation hole, is blown out from rear end cap ventilation hole, formed air duct and take the partial heat of motor interior out of, because
This can reduce the temperature of motor interior, extend the service life of motor.
Optionally, in the motor that other embodiments of the application provide, front end ventilation hole 18 is with the circle of drive end bearing bracket 6
Centered on the heart symmetrically be provided at least two, rear end ventilation hole 20 centered on the center of circle of rear end cap 7 symmetrically
It is provided at least two；The shape of front end ventilation hole 18 and rear end ventilation hole 20 is fan ring；The area of rear end ventilation hole 20 is greater than
The area of front end ventilation hole 18.It is all stable that the air velocity flow direction that can guarantee that fan blade is blown into, which is symmetrically arranged, in ventilation hole
, and due to the blocking and reflection of each component of motor interior, the air flow direction of motor interior be it is irregular, rear end is led to
The area greater than front end ventilation hole 18 of the area setting of air holes 20, it is ensured that the hot-air of motor interior is easier to blow
Out, to accelerate motor heat dissipation.
Optionally, Fig. 1 and Fig. 2 are please referred to, further includes front end in the motor of other embodiments offer of the application
At least one of internal clamp 12 and rear end internal clamp 13；Front end internal clamp 12 is arranged in drive end bearing bracket 6 and preceding end bearing
Between 10, rear end internal clamp 13 is arranged between rear end cap 7 and rear end bearing 11.Further, 12 He of front end internal clamp
Rear end internal clamp 13 is corrugated gasket.The effect of internal clamp is to be better protected from bearing axially to alter to by proximal cover side
Dynamic, specifically used corrugated gasket can also slow down the impact between bearing and end cap, prolong the service life.
Optionally, Fig. 1 and Fig. 2 are please referred to, further includes front end in the motor of other embodiments offer of the application
At least one of external fastening element 14 and rear end external fastening element 15；Front end external fastening element 14 be arranged in preceding end bearing 10 far from before
The side of the separate rear end cap 7 of rear end bearing 11 is arranged in the side of end cap 6, rear end external fastening element 15.Further, outside front end
Fastener 14 and rear end external fastening element 15 are E type circlip.The effect of external fastening element is to be better protected from bearing to far from end cap one
Side axial float, and E type clip spring structure is simple, effect is good, is commonly used in mechanical structure.
Optionally, in the motor that other embodiments of the application provide, the quantity of support leg 16 is at least two,
The quantity of front end connecting pin 17 is at least two, and the quantity of rear end connecting pin 19 is at least two, and rear end connecting pin 19
Quantity is equal with the quantity of front end connecting pin 17 and position corresponds.For example, support leg 16,17 and of front end connecting pin in Fig. 2
The quantity of rear end connecting pin 19 is 4.Support leg 16, which is at least arranged two, can function well as the effect being connected and fixed, if only
Setting one, then may rotate dislocation, at least two reasons are arranged similarly in front end connecting pin 17 and rear end connecting pin 19.
And the quantity of rear end connecting pin is equal with the quantity of front end connecting pin and position one-to-one correspondence ensure that front and rear cover connects when side
Just, accurately.
Optionally, in the motor that other embodiments of the application provide, the insulating layer of stator winding 4 is H grades exhausted
Edge material.The insulating layer of stator winding 4 refers specifically to insulate between slot, that is, the insulation between stator winding 4 and stator 2.
It should be noted that the insulating materials of common motor is typically up to F grades, the highest of F class F insulating material F permits
Perhaps temperature is 155 DEG C, and when use H class F insulating material F, maximum permissible temperature is 180 DEG C.Therefore, using H class F insulating material F
Motor can work in the environment of higher temperature, for example, in some heating equipments or roasting plant, also, if dissipate
Hot wind leaf breaks down and stops working, and also can guarantee that motor is more difficult using H class F insulating material F and is damaged by high temperature.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of motor characterized by comprising
Shaft (1), stator (2), stator winding (4), rotor (3), lead-out wire (5), drive end bearing bracket (6), rear end cap (7) and fan blade
(8),
In the stator (2), the corresponding stator (2) of the rotor (3) is arranged and is socketed in the stator winding (4)
On the shaft (1), the lead-out wire (5) is for connecting power supply, the drive end bearing bracket (6), the rear end cap (7) and the fan blade
(8) it is socketed on the shaft (1)；
The drive end bearing bracket (6) is circular configuration, be provided on the drive end bearing bracket (6) support leg (16), front end connecting pin (17) and
Front end ventilation hole (18), the support leg (16) protrude outward the periphery in the drive end bearing bracket (6) to form the placement wind
The space of leaf (8), the drive end bearing bracket (6) are connected on the shaft (1) by preceding end bearing (10)；
The rear end cap (7) is circular configuration, is provided with rear end connecting pin (19) and rear end ventilation hole on the rear end cap (7)
(20), the rear end cap (7) is connected on the shaft (1) by rear end bearing (11)；
The fan blade (8) is located in the space of the support leg (16) formation and setting is on the shaft (1), when rotation
It is dried by the inside of front end ventilation hole (18) the Xiang Suoshu motor, wind is blown out from the rear end ventilation hole (20)；
The front end connecting pin (17) is connected by connector (9) with the rear end connecting pin (19), the front end after connection
There are gaps between lid (6) and the rear end cap (7).
2. motor according to claim 1, which is characterized in that the front end ventilation hole (18) is with the drive end bearing bracket (6)
The center of circle centered on symmetrically be provided at least two, the rear end ventilation hole (20) is with the center of circle of the rear end cap (7)
Centered on symmetrically be provided at least two.
3. motor according to claim 1, which is characterized in that the front end ventilation hole (18) and the rear end ventilation hole
(20) shape is fan ring.
4. motor according to claim 1, which is characterized in that the area of the rear end ventilation hole (20) be greater than it is described before
Hold the area of ventilation hole (18).
5. motor according to claim 1, which is characterized in that further include:
Front end internal clamp (12) and/or rear end internal clamp (13)；
Tight (12) firmware is arranged between the drive end bearing bracket (6) and the preceding end bearing (10) in the front end, in the rear end
Fastener (13) is arranged between the rear end cap (7) and the rear end bearing (11).
6. motor according to claim 5, which is characterized in that the front end internal clamp (12) and/or the rear end
Internal clamp (13) is corrugated gasket.
7. motor according to claim 1, which is characterized in that further include:
Front end external fastening element (14) and/or rear end external fastening element (15)；
The side of separate drive end bearing bracket (6) of front end external fastening element (14) setting in the preceding end bearing (10), it is described
Rear end external fastening element (15) is arranged in the side far from the rear end cap (7) of the rear end bearing (11).
8. motor according to claim 7, which is characterized in that the front end external fastening element (14) and/or the rear end
External fastening element (15) is E type circlip.
9. motor according to claim 1, which is characterized in that the quantity of the support leg (16) is at least two, institute
The quantity for stating front end connecting pin (17) is at least two, and the quantity of the rear end connecting pin (19) is at least two, and described
The quantity of rear end connecting pin (19) is equal with the quantity of the front end connecting pin (17) and position corresponds.
10. motor according to claim 1, which is characterized in that the insulating layer of the stator winding (4) is H class B insulation
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055712.6A CN109474126A (en) | 2019-01-21 | 2019-01-21 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055712.6A CN109474126A (en) | 2019-01-21 | 2019-01-21 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109474126A true CN109474126A (en) | 2019-03-15 |
Family
ID=65678600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910055712.6A Pending CN109474126A (en) | 2019-01-21 | 2019-01-21 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109474126A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215504A1 (en) * | 1992-05-12 | 1993-11-18 | Bosch Gmbh Robert | Small commutator motor |
| EP1139546A1 (en) * | 2000-03-30 | 2001-10-04 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| CN201250801Y (en) * | 2008-09-18 | 2009-06-03 | 中国北车集团大同电力机车有限责任公司 | Centrifugal ventilator for engines |
| CN201393110Y (en) * | 2009-04-29 | 2010-01-27 | 常州市永安电机有限公司 | Constant heat-dissipation motor |
| CN201450438U (en) * | 2009-07-31 | 2010-05-05 | 中山大洋电机股份有限公司 | Motor |
| CN203225628U (en) * | 2013-04-10 | 2013-10-02 | 株洲联诚集团有限责任公司 | Drive motor for traction fan of high-power locomotive |
| CN203850973U (en) * | 2014-05-26 | 2014-09-24 | 广东省东莞电机有限公司 | Motor with built-in ventilation structure |
| CN203933321U (en) * | 2014-06-24 | 2014-11-05 | 溧阳市宏达电机有限公司 | A kind of from dispelling the heat permanent magnet DC motor |
| CN104595119A (en) * | 2015-01-21 | 2015-05-06 | 苏州罗马冯环保科技有限公司 | Portable wind-driven generator |
| CN107154707A (en) * | 2017-07-06 | 2017-09-12 | 明程电机技术（深圳）有限公司 | Air convection type heat radiation motor |
| CN209184410U (en) * | 2019-01-21 | 2019-07-30 | 中山市权心电器有限公司 | Motor |
-
2019
- 2019-01-21 CN CN201910055712.6A patent/CN109474126A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215504A1 (en) * | 1992-05-12 | 1993-11-18 | Bosch Gmbh Robert | Small commutator motor |
| EP1139546A1 (en) * | 2000-03-30 | 2001-10-04 | Mitsubishi Denki Kabushiki Kaisha | Automotive alternator |
| CN201250801Y (en) * | 2008-09-18 | 2009-06-03 | 中国北车集团大同电力机车有限责任公司 | Centrifugal ventilator for engines |
| CN201393110Y (en) * | 2009-04-29 | 2010-01-27 | 常州市永安电机有限公司 | Constant heat-dissipation motor |
| CN201450438U (en) * | 2009-07-31 | 2010-05-05 | 中山大洋电机股份有限公司 | Motor |
| CN203225628U (en) * | 2013-04-10 | 2013-10-02 | 株洲联诚集团有限责任公司 | Drive motor for traction fan of high-power locomotive |
| CN203850973U (en) * | 2014-05-26 | 2014-09-24 | 广东省东莞电机有限公司 | Motor with built-in ventilation structure |
| CN203933321U (en) * | 2014-06-24 | 2014-11-05 | 溧阳市宏达电机有限公司 | A kind of from dispelling the heat permanent magnet DC motor |
| CN104595119A (en) * | 2015-01-21 | 2015-05-06 | 苏州罗马冯环保科技有限公司 | Portable wind-driven generator |
| CN107154707A (en) * | 2017-07-06 | 2017-09-12 | 明程电机技术（深圳）有限公司 | Air convection type heat radiation motor |
| CN209184410U (en) * | 2019-01-21 | 2019-07-30 | 中山市权心电器有限公司 | Motor |
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