CN111555526A - Lightweight new energy automobile power assembly - Google Patents
Lightweight new energy automobile power assembly Download PDFInfo
- Publication number
- CN111555526A CN111555526A CN202010322700.8A CN202010322700A CN111555526A CN 111555526 A CN111555526 A CN 111555526A CN 202010322700 A CN202010322700 A CN 202010322700A CN 111555526 A CN111555526 A CN 111555526A
- Authority
- CN
- China
- Prior art keywords
- stator
- casing
- reciprocating
- support sleeve
- power assembly
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a lightweight new energy automobile power assembly, and relates to the technical field of new energy; including the casing, be located the stator of casing, be located the casing both ends be used for increasing the radiating ventilation hole of casing, pass the rotor at casing both ends, be located the blast air mechanism that is used for giving the ventilation air blast of corresponding ventilation hole of casing one end, the casing is the aluminum alloy material. Adopt the aluminum alloy material, have the advantage of high strength light in weight, in addition, set up the ventilation hole at casing both ends, when reducing weight, can accelerate the heat dissipation, the circulation of air in the blower mechanism can accelerate the casing accelerates the heat dissipation.
Description
Technical Field
The invention belongs to the technical field of new energy, and particularly relates to a light-weight new energy automobile power assembly.
Background
New energy automobile is the trend of future development, and the weight of power assembly is alleviateed to be favorable to improving the continuation of journey of car.
The existing power assembly has heavy weight.
Chinese patent application No.: 2017103721975, patent name: a new energy automobile power assembly is provided, which comprises a shell and a motor, wherein a motor shaft penetrates through a front end cover, and an intermediate support frame is arranged on the front end cover; the first end of the driving wheel is arranged on the front end cover through a first bearing, the second end of the driving wheel is arranged on the middle supporting frame through a second bearing, and the driving wheel is connected with the motor shaft through a spline; the intermediate gear shaft is provided with a gear, the first end of the intermediate gear shaft is arranged on the shell through a third bearing, the second end of the intermediate gear shaft is arranged on the front end cover through a fourth bearing, and a high-speed driven wheel meshed with the driving wheel is sleeved on the intermediate gear shaft; the first end of the shell of the differential is arranged on the shell through a fifth bearing, and the second end of the shell of the differential is arranged on the front end cover through a sixth bearing; an output wheel meshed with the gear is arranged on the shell of the differential. The motor controller is integrated with the motor, and the power output is coaxial with the motor shaft. The invention has a simple structure but a heavy weight.
Disclosure of Invention
The invention aims to overcome the defect of heavy weight in the prior art and provides a light-weight new energy automobile power assembly.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a lightweight new energy automobile power assembly, includes the casing, is located the stator at casing, is located being used for at casing both ends and increases the radiating ventilation hole of casing, passes the rotor at casing both ends, is located being used for of casing one end and gives the blast air mechanism that corresponds the ventilation hole blast air, the casing is the aluminum alloy material. Adopt the aluminum alloy material, have the advantage of high strength light in weight, in addition, set up the ventilation hole at casing both ends, when reducing weight, can accelerate the heat dissipation, the circulation of air in the blower mechanism can accelerate the casing accelerates the heat dissipation.
Preferably, the blowing mechanism comprises a reciprocating lead screw coaxial with the stator, a reciprocating slide block matched with the reciprocating lead screw, a circular truncated cone-shaped tympanic membrane and a plurality of telescopic rods used for supporting the tympanic membrane, the reciprocating lead screw is connected with the stator, one section of the telescopic rod is hinged on the reciprocating slide block, the other end of the telescopic rod is hinged on the outer edge of the corresponding end of the shell, one end face of the tympanic membrane is sleeved on the reciprocating slide block and connected with the reciprocating slide block, the other end face of the tympanic membrane is connected with the outer edge of the corresponding end of the shell, an air passage used for gas exchange of two opposite sides of the tympanic membrane is arranged in the reciprocating lead screw, one end of the air passage is located at one end of the reciprocating lead. The structure is simple.
Preferably, one end of the shell is fixedly connected with a supporting sleeve, one end of the supporting sleeve is inserted with the stator, the other end of the supporting sleeve is inserted with a reciprocating screw, an annular groove is formed in the inner side of the supporting sleeve, a flanging is arranged at one end of the stator, which is positioned in the supporting sleeve, is positioned in the groove, a plurality of extrusion rods are inserted in the supporting sleeve, one ends of the extrusion rods are positioned in the groove and are rotatably connected with balls, a guide slope, which enables the reciprocating screw to move towards the stator under the action of the balls, is arranged at one end, which is positioned in the supporting sleeve, of the reciprocating screw, the guide slope is in a circular truncated cone shape and is positioned in the groove, and an electric cylinder, which is used. When the automobile is braked, the stator drives the reciprocating screw to rotate, and part of energy of the stator is transmitted to the air blowing mechanism, so that the utilization rate of energy is improved.
Preferably, a cylinder body is fixedly connected to one side, close to the reciprocating slide block, of the support sleeve, a piston is connected to the cylinder body in a sliding mode, a piston rod is inserted into one end, away from the support sleeve, of the cylinder body, one end, away from the cylinder body, of the piston rod is fixedly connected with the reciprocating slide block, a one-way valve facing the cylinder body is arranged on the cylinder body, a second air passage is arranged in the support sleeve, one end of the second air passage is communicated with the cylinder body, the other end of the second air passage is communicated with a groove, the second air passage is located on one side, away from the stator, of the guide slope, a third air passage is arranged at one end, close to the stator, of the reciprocating screw rod, a fourth air passage coaxial with the stator is. The heat dissipation of the stator is improved.
Preferably, the telescopic rods are arranged in an annular array centered on the axis of the stator. The structure is stable.
Preferably, the housing is provided with a plurality of cooling fins. The heat dissipation of the shell is improved.
Preferably, the heat sink is made of copper. Copper has good thermal conductivity.
The invention has the beneficial effects that: the invention provides a light-weight new energy automobile power assembly which is good in heat dissipation.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the air being squeezed as the reciprocating slide moves;
FIG. 4 is a schematic view of the stator disengaged from the reciprocating lead screw without the compression bar compressing the guide ramp.
In the figure: the air compressor comprises a shell 1, a stator 2, a vent hole 3, a rotor 4, a reciprocating screw rod 5, a reciprocating slide block 6, a tympanic membrane 7, a telescopic rod 8, a support sleeve 9, a groove 10, a flanging 11, a guide slope 12, an extrusion rod 13, a ball 14, an electric cylinder 15, an air channel 16, a cylinder body 17, a piston 18, a piston rod 19, a one-way valve 20, a second air channel 21, a third air channel 22, a fourth air channel 23 and a cooling fin 24.
Detailed Description
The invention is explained in further detail below with reference to the figures and the detailed description:
example (b):
referring to fig. 1 to 4, a lightweight new energy automobile power assembly comprises a housing 1, a stator 2 located in the housing 1, vent holes 3 located at two ends of the housing 1 and used for increasing heat dissipation of the housing 1, rotors 4 penetrating through two ends of the housing 1, and an air blowing mechanism located at one end of the housing 1 and used for blowing air to the corresponding vent holes 3, wherein the housing 1 is made of an aluminum alloy material; a plurality of radiating fins 24 are arranged on the shell 1; the material of the heat sink 24 is copper.
The air blowing mechanism comprises a reciprocating lead screw 5 coaxial with the stator 2, a reciprocating slide block 6 matched with the reciprocating lead screw 5, a tympanic membrane 7 in a circular truncated cone shape, and a plurality of telescopic rods 8 for supporting the tympanic membrane 7, wherein the telescopic rods 8 are arranged in an annular array by taking the axis of the stator 2 as the center; reciprocating screw 5 is connected with stator 2, 8 one sections of telescopic link articulate on reciprocal slider 6, 8 other ends of telescopic link articulate the outer fringe that the casing 1 corresponds the end, one of them terminal surface cover of eardrum 7 is established on reciprocal slider 6 and is connected with reciprocal slider 6, the outer fringe that the other terminal surface of eardrum 7 corresponds the end at casing 1, be equipped with the gas flue 16 that is used for supplying the gas exchange of the relative both sides of eardrum 7 in the reciprocating screw 5, gas flue 16 one end is located reciprocating screw 5 and keeps away from the one end of stator 2, the gas flue 16 other end is located between casing 1 and eardrum 7.
One end of the shell 1 is fixedly connected with a support sleeve 9, one end of the support sleeve 9 is inserted with the stator 2, the other end of the support sleeve 9 is inserted with a reciprocating screw 5, the inner side of the support sleeve 9 is provided with an annular groove 10, one end of the stator 2, which is positioned in the support sleeve 9, is provided with a flanging 11, the flanging 11 is positioned in the groove 10, the support sleeve 9 is inserted with a plurality of extrusion rods 13, one end of each extrusion rod 13 is positioned in the groove 10 and is rotatably connected with a ball 14, one end of the reciprocating screw 5, which is positioned in the support sleeve 9, is provided with a guide slope 12, which moves towards the stator 2 under the action of the ball 14, the guide slope 12 is in a circular truncated cone shape and is positioned in the groove 10, and the support sleeve 9 is provided with an electric cylinder 15 for pushing the extrusion rods 13; a cylinder body 17 is fixedly connected to one side, close to the reciprocating slide block 6, of the support sleeve 9, a piston 18 is connected to the cylinder body 17 in a sliding mode, a piston rod 19 is inserted into one end, far away from the support sleeve 9, of the cylinder body 17, one end, far away from the cylinder body 17, of the piston rod 19 is fixedly connected with the reciprocating slide block 6, a one-way valve 20 facing the interior of the cylinder body 17 is arranged on the cylinder body 17, a second air passage 21 is arranged in the support sleeve 9, one end of the second air passage 21 is communicated with the cylinder body 17, the other end of the second air passage 21 is communicated with the groove 10, the second air passage 21 is located on one side, far away from the stator 2, of the guide slope 12, a third air passage 22 is arranged at one end, close to the stator 2, of the reciprocating lead screw 5, a fourth air passage 23 coaxial with the stator 2.
Principle of embodiment:
initially, the stator 2 is disengaged from the reciprocating screw 5, and as the stator 2 rotates, a large amount of heat is generated in the housing 1 and exits through the vent 3 and the air duct 16.
When the automobile is braked, at this moment, the electric cylinder 15 runs, the ball 14 leans on the guide slope 12, the reciprocating screw 5 moves towards the stator 2, the reciprocating screw 5 is abutted to the stator 2, at this moment, the stator 2 drives the reciprocating screw 5 to rotate, the ball 14 rolls on the guide slope 12, under the action of the piston rod 19 and the telescopic rod 8, the reciprocating slide block 6 cannot rotate, the reciprocating slide block 6 moves back and forth under the action of the reciprocating screw 5, the tympanic membrane 7 is made of flexible elastic materials, and the eardrum is mature in the prior art and does not expand.
When the reciprocating slide block 6 moves towards the stator 2, air between the shell 1 and the tympanic membrane 7 is extruded into the shell 1, and heat in the shell 1 is discharged from the vent hole 3 at the other end; when the reciprocating slider 6 moves away from the stator 2, fresh air is sucked between the eardrum 7 and the housing 1, so that hot air is discharged and cold air is introduced, thereby greatly increasing the cooling efficiency.
It should be noted that the rotating speed electric cylinder 15 is only intervened after the rotating speed of the stator 2 is reduced to a certain degree, so as to prevent the blowing mechanism from being damaged due to the fact that the reciprocating slide 6 moves too fast because of too fast rotating speed.
When the reciprocating slide block 6 reciprocates, the piston rod 19 reciprocates, the piston 18 reciprocates, the gas in the cylinder body 17 is continuously injected into the groove 10, the gas in the groove 10 enters the fourth gas channel 23 through the third gas channel 22, and the gas continuously passes through the fourth gas channel 23, so that the temperature of the stator 2 is reduced. On the other hand, the air pressure in the groove 10 is increased, so that the stator 2 and the reciprocating screw 5 are attached more tightly.
Claims (7)
1. The utility model provides a lightweight new energy automobile power assembly, its characterized in that, includes the casing, is located the stator at casing, is located being used for at casing both ends and increases the radiating ventilation hole of casing, passes the rotor at casing both ends, is located being used for of casing one end and gives the blast air mechanism that corresponds the ventilation hole blast air, the casing is the aluminum alloy material.
2. The power assembly of the light-weight new energy automobile according to claim 1, wherein the blower mechanism comprises a reciprocating lead screw coaxial with the stator, a reciprocating slide block matched with the reciprocating lead screw, a drum membrane in a truncated cone shape, and a plurality of telescopic rods for supporting the drum membrane, the reciprocating lead screw is connected with the stator, one section of each telescopic rod is hinged to the reciprocating slide block, the other end of each telescopic rod is hinged to the outer edge of the corresponding end of the shell, one end face of the drum membrane is sleeved on the reciprocating slide block and connected with the reciprocating slide block, the other end face of the drum membrane is connected to the outer edge of the corresponding end of the shell, air passages for exchanging air on two opposite sides of the drum membrane are arranged in the reciprocating lead screw, one end of each air passage is located at one end of the reciprocating lead screw, which.
3. The power assembly of the light-weight new energy automobile according to claim 2, wherein a support sleeve is fixedly connected to one end of the housing, the stator is inserted into one end of the support sleeve, a reciprocating screw is inserted into the other end of the support sleeve, an annular groove is formed in the inner side of the support sleeve, a flange is arranged at one end of the stator, which is located in the support sleeve, the flange is located in the groove, a plurality of extrusion rods are inserted into the support sleeve, one ends of the extrusion rods are located in the groove and are rotatably connected with balls, a guide slope, which is formed by the reciprocating screw moving towards the stator under the action of the balls, is arranged at one end of the reciprocating screw, which is located in the support sleeve, the guide slope is in a circular truncated cone shape and is located in the groove, and an electric cylinder for pushing the.
4. The power assembly of the light-weight new energy automobile according to claim 3, wherein a cylinder body is fixedly connected to one side of the support sleeve close to the reciprocating slide block, a piston is connected in the cylinder body in a sliding manner, a piston rod is inserted into one end of the cylinder body far away from the support sleeve, one end of the piston rod far away from the cylinder body is fixedly connected with the reciprocating slide block, a one-way valve facing the cylinder body is arranged on the cylinder body, a second air passage is arranged in the support sleeve, one end of the second air passage is communicated with the cylinder body, the other end of the second air passage is communicated with the groove, the second air passage is located on one side of the guide slope far away from the stator, a third air passage is arranged at one end of the reciprocating lead screw close to the stator, a fourth air passage coaxial with the stator is arranged in the stator, one end of.
5. The power assembly of claim 2, wherein the telescopic rods are arranged in an annular array around an axis of the stator.
6. The power assembly of any one of claims 1-5, wherein a plurality of cooling fins are disposed on the housing.
7. The power assembly of claim 6, wherein the heat sink is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322700.8A CN111555526B (en) | 2020-04-22 | 2020-04-22 | Lightweight new energy automobile power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322700.8A CN111555526B (en) | 2020-04-22 | 2020-04-22 | Lightweight new energy automobile power assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111555526A true CN111555526A (en) | 2020-08-18 |
| CN111555526B CN111555526B (en) | 2021-04-16 |
Family
ID=72007567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322700.8A Active CN111555526B (en) | 2020-04-22 | 2020-04-22 | Lightweight new energy automobile power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111555526B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619372A (en) * | 2021-09-23 | 2021-11-09 | 武汉理工大学 | Heat dissipation mechanism of new energy automobile power output assembly |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165438A (en) * | 1992-11-26 | 1994-06-10 | Shibaura Eng Works Co Ltd | Fan device |
| JPH10309069A (en) * | 1997-04-30 | 1998-11-17 | Toshiba Corp | Blower |
| CN1993872A (en) * | 2004-07-30 | 2007-07-04 | 西门子公司 | Electric motor |
| CN103051128A (en) * | 2012-12-18 | 2013-04-17 | 安徽皖南电机股份有限公司 | Asynchronous motor heat radiation device |
| CN104659960A (en) * | 2013-11-15 | 2015-05-27 | 建准电机工业股份有限公司 | Gas blower |
| CN207559750U (en) * | 2017-10-25 | 2018-06-29 | 石家庄金士顿轴承科技有限公司 | A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink |
| CN207588612U (en) * | 2017-12-11 | 2018-07-06 | 常州欧德思电机电器有限公司 | A kind of cooling mechanism of permanent magnet DC motor |
| CN207664779U (en) * | 2018-01-12 | 2018-07-27 | 江门市蓬江区宇博电机有限公司 | A kind of electric machine radiator |
| CN108768075A (en) * | 2018-08-28 | 2018-11-06 | 包头长安永磁电机有限公司 | A kind of polarization heat radiating type unit magneto |
| CN110994904A (en) * | 2019-12-16 | 2020-04-10 | 丁继来 | Motor heat abstractor based on gear drive principle |
-
2020
- 2020-04-22 CN CN202010322700.8A patent/CN111555526B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165438A (en) * | 1992-11-26 | 1994-06-10 | Shibaura Eng Works Co Ltd | Fan device |
| JPH10309069A (en) * | 1997-04-30 | 1998-11-17 | Toshiba Corp | Blower |
| CN1993872A (en) * | 2004-07-30 | 2007-07-04 | 西门子公司 | Electric motor |
| CN103051128A (en) * | 2012-12-18 | 2013-04-17 | 安徽皖南电机股份有限公司 | Asynchronous motor heat radiation device |
| CN104659960A (en) * | 2013-11-15 | 2015-05-27 | 建准电机工业股份有限公司 | Gas blower |
| CN207559750U (en) * | 2017-10-25 | 2018-06-29 | 石家庄金士顿轴承科技有限公司 | A kind of high-speed permanent magnet motor direct connection centrifugal blower heat sink |
| CN207588612U (en) * | 2017-12-11 | 2018-07-06 | 常州欧德思电机电器有限公司 | A kind of cooling mechanism of permanent magnet DC motor |
| CN207664779U (en) * | 2018-01-12 | 2018-07-27 | 江门市蓬江区宇博电机有限公司 | A kind of electric machine radiator |
| CN108768075A (en) * | 2018-08-28 | 2018-11-06 | 包头长安永磁电机有限公司 | A kind of polarization heat radiating type unit magneto |
| CN110994904A (en) * | 2019-12-16 | 2020-04-10 | 丁继来 | Motor heat abstractor based on gear drive principle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619372A (en) * | 2021-09-23 | 2021-11-09 | 武汉理工大学 | Heat dissipation mechanism of new energy automobile power output assembly |
| CN113619372B (en) * | 2021-09-23 | 2023-11-24 | 武汉理工大学 | Heat dissipation mechanism of new energy automobile power take off assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111555526B (en) | 2021-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111555526B (en) | Lightweight new energy automobile power assembly | |
| CN207652236U (en) | A kind of direct-connected high-efficient energy-saving environment friendly air compressor machine Special water cooling motor | |
| CN218006020U (en) | Motor bearing is with mobile type water-cooling circulation heat abstractor | |
| CN210371283U (en) | Integral runner axial flow fan with embedded impeller of motor | |
| CN206175162U (en) | Air compressor machine easily dispels heat | |
| CN212447075U (en) | Lightweight new energy automobile power assembly | |
| CN114025540A (en) | Cooling device of big data information processing equipment and using method thereof | |
| CN111594439A (en) | Three-stage screw compressor | |
| CN214660657U (en) | Novel cooling device for wind driven generator | |
| CN118066129B (en) | High-speed double-impeller air centrifugal compressor | |
| CN207939352U (en) | A kind of New energy automobile motor that heat dissipation effect is excellent | |
| CN201893625U (en) | Electric motor for high-pressure axial flow fan | |
| CN215444314U (en) | Cam-constrained reciprocating piston compressor | |
| CN221127003U (en) | Three-phase asynchronous motor convenient to heat dissipation type | |
| CN219549133U (en) | Inside cooling mechanism of roots fan | |
| CN212447076U (en) | Power assembly for new energy automobile | |
| CN218335630U (en) | Torque motor's heat radiation structure | |
| CN221257487U (en) | High-strength external-rotation hollow shaft magnetic powder brake | |
| CN219987298U (en) | Centreless grinding wheel | |
| CN211397823U (en) | Water-cooled oilless air compressor | |
| CN219752368U (en) | Cooling device of quenching tank | |
| CN116191773B (en) | Brushless motor cooling device | |
| CN219499147U (en) | Air suspension blower and double-circulation air-cooled permanent magnet synchronous motor | |
| CN115224880B (en) | Built-in drive IPM motor | |
| CN221055213U (en) | Quick cooling structure for energy conservation of air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |