CN107294260A - A kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel - Google Patents
A kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel Download PDFInfo
- Publication number
- CN107294260A CN107294260A CN201610205586.4A CN201610205586A CN107294260A CN 107294260 A CN107294260 A CN 107294260A CN 201610205586 A CN201610205586 A CN 201610205586A CN 107294260 A CN107294260 A CN 107294260A
- Authority
- CN
- China
- Prior art keywords
- spiral coil
- water channel
- copper
- coil water
- copper spiral
- 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
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 108
- 239000010949 copper Substances 0.000 title claims abstract description 108
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 36
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000010931 gold Substances 0.000 title claims abstract description 17
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 7
- 230000021615 conjugation Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000004576 sand Substances 0.000 abstract description 10
- 241000221696 Sclerotinia sclerotiorum Species 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 230000004087 circulation Effects 0.000 description 11
- 238000010114 lost-foam casting Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010113 evaporative-pattern casting Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- H02K5/20—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 Frames (AREA)
Abstract
The invention discloses a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel, include the electric machine casing of an aluminium alloy casting, inlayed in electric machine casing and be cast with the copper being connected with a water-cooling circulating system spiral coil water channel, copper spiral coil water channel one end is also associated with a processing support skeleton；It need not divide when the present invention is by the way that prefabricated copper spiral coil water channel is molded in the white moulds of motor casing EPS and be molded several times, before casting sand is filled out also without inside copper spiral coil water channel, productive temp significantly shortens, effectively increase production efficiency, by setting processing support skeleton in electric machine casing and setting water inlet on copper spiral coil water channel, outlet structure and supplementary structure, ensure that the alloy electric machine casing rigidity of built-in copper spiral coil water channel is high, Stability Analysis of Structures is reliable, it is unlikely to deform and ftractures, motor casing casting accuracy can be improved high, reduce motor casing casting flaw, reduce production cost.
Description
Technical field
The present invention relates to new energy motor casing production technical field, more particularly to a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel.
Background technology
New-energy automobile is the electric automobile for using electric energy for power, driven by power and control system are the cores of electric automobile, motor is driven by power and control system important component, motor caloric value in operation process is big, in order to ensure operation that electric automobile can be continual and steady, need to cool down motor in operation process, in order to ensure cooling effect, it is preferably able to design and uses the motor casing with Water-cooling circulating passage, it is typically that the spiral water-cooling circulation canal with preferable cooling effect is set in motor casing at present, because aluminium alloy electric casing belongs to baroque thin-walled parts, the spiral water-cooling circulation canal sectional area set in the electric machine casing that aluminium alloy is cast is smaller, spiral number of turns are more, it is high to product size required precision that fabrication design manufactures spiral water-cooling circulation canal, the classification of waterproof of housing will reach more than IP67 grades, it is required that the housing of casting can not have any sand holes, the defects such as pin hole, there is problems with using traditional casting technique：
Pre-buried core is needed when the 1st, pouring into a mould, and the intensity of the small spiral core of this sectional area is relatively low, spiral core is easily broken off during cast, causes the spiral water-cooling circulation canal in motor casing to be difficult to effective shaping, it is difficult to which batch micro operations go out qualified product；
If the 2, improving spiral sand core strength using binding agent etc., after the completion of casting, because the collapsibility of the high spiral core of intensity is again very poor, the spiral core in the motor casing cast is caused to be difficult to take out from spiral water-cooling circulation canal, residual sand can be left in spiral water-cooling circulation canal, residual sand easily blocks Water-cooling circulating passage, influences cooling effect；
3rd, the wall thickness of motor casing is very thin, and typically in 5mm or so, casting, core is easily eccentric, causes the heavy wall of motor casing uneven, causes leak risk high during machining；
Need to make many steam vents when the 4th, pouring into a mould using core, cause there are many fabrication holes on motor casing, then need to be shut with plug, there is disclosure risk, and product is also unsightly；
5th, the residual sand workload in later stage manual cleaning spiral water-cooling circulation canal is big, and labour cost is high.
It is usually using low pressure casting, counter-pressure casting or the accurate aluminium alloy casting electric machine casing of lost foam casting process production at present based on problem above.
Lost foam casting is particularly those and uses the bad parting of ordinary sand casting, bad die sinking, the casting of bad lower core to the extremely well-adapted of casting structure, can be achieved without surplus, precise forming, without molding, matched moulds, without core, group core during casting；The dimensional accuracy of casting is high, surface roughness value is low, require low to workman, the features such as working condition is good, is particularly suitable for use in needing the housing class castings production more than core during complicated, conventional cast.
When casting the aluminium alloy electric casing with spiral water-cooling circulation canal using lost foam casting process, need to process consistent EPS tunica albugineas corresponding with motor casing in advance, due to being also required to set corresponding spiral circulation cavity in EPS tunica albugineas, and the EPS tunica albugineas of this structure can not simultaneous manufacturing go out, mould foaming processing could be carried out by needing EPS tunica albugineas being divided into several parts, need that the EPS tunica albugineas of several parts are bonded together into an entirety again after shaping, cause whole EPS tunica albugineas processing trouble, production cycle long；And also need to that the spiral circulation cavity in EPS tunica albugineas individually shake in moulding to fill out sand, ensure to be full of molding sand in EPS tunica albuginea spiral circulations cavity, otherwise easily there are bad products, in a word, this lost foam casting process is more complicated, processing charges is high, it is desirable to further improve product structure and associated production technique, so as to preferably ensure product quality and reduce production cost.
The content of the invention
To overcome the deficiencies in the prior art, the invention provides a kind of casting accuracy is high, product defects is few, the cast aluminium alloy gold motor casing of the reliable built-in copper spiral coil water channel of Stability Analysis of Structures.
The present invention is reaches that the technical scheme that above-mentioned technical purpose is used is：A kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel, it includes the electric machine casing of an aluminium alloy casting, inlayed in the electric machine casing and be cast with a copper spiral coil water channel, the upper and lower ends side of the copper spiral coil water channel is respectively equipped with water inlet and delivery port, the water inlet and delivery port stretch out from the face of cylinder of the electric machine casing respectively, the threaded connector that can be connected with water-cooling circulating system is designed with the water inlet and delivery port, one end of the copper spiral coil water channel is also associated with the processing support skeleton of a casting process, the processing support skeleton is also cast in the electric machine casing, one end of the processing support skeleton is provided with support bar, expose one end of the end face of the support bar from the electric machine casing, the end face that exposes of the support bar is connected with the lower end of evaporative pattern bottom gating system；Because the fusing point of copper spiral coil water channel is more much higher than the fusing point of cast aluminium alloy gold, when evaporative pattern aluminium alloy is poured into a mould, copper spiral coil water channel will not melt deformation, increase processing support skeleton made of copper on copper spiral coil water channel and be easy to copper spiral coil water channel positioning molding in the white moulds of motor casing EPS, also it is avoided that in evaporative pattern casting process that casting pattern walks bias, and is more favorable for copper spiral coil water channel and is mutually combined closely with alloy electric machine shell phase.
The surface of the copper spiral coil water channel, which is provided with, can strengthen the pit or pit of Al-alloy casing and copper spiral coil conjugation.
The outer surface of the copper spiral coil water channel is provided with lumpy crest line or groove；Crest line or groove can also enable aluminum alloy to housing and the combination of copper spiral coil is even closer.
The outer surface of the copper spiral coil water channel, which is provided with, can strengthen the coated copper silk screen of Al-alloy casing and copper spiral coil conjugation.
The present invention sets pit or pit, lumpy crest line or the supplementary structure such as groove and coated copper silk screen by above measure, the aluminium alloy being cast in outside copper spiral coil water channel is set to be combined with copper spiral coil even closer, the internal stress produced when two kinds of different heat expansion coefficient metal materials are combined together by cold and hot change can be reduced, it is to avoid expand with heat and contract with cold and cause cracking.
The copper spiral coil water channel is bent using copper narrow rectangular tube to be formed, and the specification of narrow rectangular tube is：The x 0.3mm of 25 x 7, the rotation direction and spiral quantity, pitch of copper spiral coil water channel prepared by flat tube are set according to motor casing size and power of motor.
The copper spiral coil water channel is bent using copper pipe to be formed, and the specification of pipe is：The x 0.3mm of φ 7, the rotation direction and spiral quantity, pitch of copper spiral coil water channel prepared by pipe are set according to motor casing size and power of motor.
The inner ring of the copper spiral coil water channel or outer ring are provided with the enhancing rigid welding reinforcement of copper spiral coil.
The termination of the upper and lower ends of the copper spiral coil water channel is respectively provided with the copper bellows telescopic cavity provided with a thin-walled in an expansion breathing zone, the expansion breathing zone；Copper spiral coil water channel be cooled heat affecting carry out telescopic variation when, copper bellows telescopic cavity can be extruded or stretch, and can eliminate the internal stress that copper spiral coil water channel telescopic variation is caused to alloy electric machine housing.
The copper spiral coil water channel is processed by red copper or brass spiral coil.
The present invention passes through first prefabricated copper spiral coil water channel, prefabricated copper spiral coil water channel is molded in the white moulds of motor casing EPS, as long as one-shot forming includes the white moulds of Integral motor casing EPS of copper spiral coil water channel with regard to that can process, EPS tunica albugineas need not be divided into several parts again bond again after being separately molded, include copper spiral coil water channel motor casing tunica albuginea prepare after, sand is filled out in the single vibrations of cavity progress that need not be again to motor casing EPS Bai Monei before casting, after casting also cleaning is needed inside motor casing without core, processing technology is more succinct reliable, reduce the white mould foaming molding mold quantity of EPS, save EPS tunica albuginea adhesive solidifications, sand is filled out in vibrations, the non-cutting times such as sand removal, productive temp significantly shortens, effectively increase production efficiency；Casting can be inlayed in electric machine casing of the present invention, and spiral channel diameter is big, the copper spiral coil water channel that spiral number of turns are more, spiral channel sectional area is small, and the motor casing inner chamber draft angle after casting is small, and 5mm is reached after cast wall, and allowance is small, Product Precision height.
The present invention passes through the reasonable water inlet and outlet structure set on processing support skeleton and rationally setting copper spiral coil water channel in electric machine casing, by increasing capacitance it is possible to increase electric machine casing intensity, it is to avoid deformation and cracking；Using bottom filling casting mode in evaporative pattern casting process, what copper spiral coil water channel can gradually be stablized from top to bottom is coated in aluminium water, copper spiral coil water channel accurate positioning, it will not shift, expose in processing support skeleton, water inlet and delivery port does not influence motor casing to install and use in motor casing outer portion.
In summary, the beneficial effects of the invention are as follows：After said structure, by setting a prefabricated copper spiral coil water channel in alloy electric machine housing, it need not divide when prefabricated copper spiral coil water channel is molded in the white moulds of motor casing EPS and be molded several times, also without filling out sand inside water channel before casting, water channel smoothness is not easily blocked, ensure Water-cooling circulating passage good cooling results in motor casing, by rationally setting water inlet and outlet structure on processing support skeleton and copper spiral coil water channel in electric machine casing, ensure that the alloy electric machine casing rigidity of built-in copper spiral coil water channel is high, Stability Analysis of Structures is reliable, it is unlikely to deform and ftractures, high-volume can be closed by enabling aluminum alloy to lost foam casting process, aluminium alloy electric casing of the reliable and stable production with built-in copper spiral coil water channel, motor casing casting accuracy can be improved high, reduce motor casing casting flaw, reduce production cost.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.Wherein：
Fig. 1 is the structural representation of spiral coil water channel of the present invention and processing support skeleton；
Fig. 2 is to increase pit or the structural representation of pit on spiral coil water channel of the present invention；
Fig. 3 is to increase the structural representation of crest line or groove on spiral coil water channel of the present invention；
Fig. 4 is to increase the structural representation of coated copper silk screen on spiral coil water channel of the present invention；
Fig. 5 is the structural representation of increase welding reinforcement on spiral coil water channel of the present invention；
Fig. 6 is the structural representation of increase expansion breathing zone in spiral coil water channel two ends of the present invention.
Embodiment
To describe the technology contents of the present invention, construction feature, the objects and the effects in detail, below in conjunction with embodiment and accompanying drawing is coordinated to describe in detail.
Refer to shown in Fig. 1, the cast aluminium alloy gold motor casing of built-in copper spiral coil water channel of the invention includes the electric machine casing 1 of an aluminium alloy casting, inlayed in the electric machine casing 1 and be cast with a copper spiral coil water channel 2, the upper and lower ends side of the copper spiral coil water channel 2 is respectively equipped with water inlet 21 and delivery port 22, the water inlet 21 and delivery port 22 stretch out from the face of cylinder of the electric machine casing 1 respectively, the threaded connector that can be connected with water-cooling circulating system is designed with the water inlet 21 and delivery port 22, one end of the copper spiral coil water channel 2 is also associated with the processing support skeleton 3 of a casting process, the processing support skeleton 3 is also cast in the electric machine casing 1, one end of the processing support skeleton 3 is provided with support bar 31, expose one end of the end face of the support bar 31 from the electric machine casing 1, the end face that exposes of the support bar 31 is connected with the lower end of evaporative pattern bottom gating system 4.
Refer to shown in Fig. 2, the surface of the copper spiral coil water channel 2, which is provided with, can strengthen the pit or pit 23 of Al-alloy casing 1 and copper spiral coil conjugation.
Refer to shown in Fig. 3, the outer surface of the copper spiral coil water channel 2 is provided with lumpy crest line or groove 24.
Refer to shown in Fig. 4, the outer surface of the copper spiral coil water channel 2, which is provided with, can strengthen the coated copper silk screen 25 of Al-alloy casing 1 and copper spiral coil conjugation.
The copper spiral coil water channel 2 is bent using copper narrow rectangular tube and formed, and the specification of narrow rectangular tube is：25 x 7 x 0.3mm.
The copper spiral coil water channel 2 is bent using copper pipe and formed, and the specification of pipe is：φ7 x 0.3mm.
Refer to shown in Fig. 5, the inner ring of the copper spiral coil water channel 2 or outer ring are provided with the rigid welding reinforcement 26 of enhancing copper spiral coil.
Refer to shown in Fig. 6, the termination of the upper and lower ends of the copper spiral coil water channel 2 is respectively provided with the copper bellows telescopic cavity 28 provided with a thin-walled in an expansion breathing zone 27, the expansion breathing zone 27.
The copper spiral coil water channel 2 is processed by red copper or brass spiral coil.
It the foregoing is only embodiments of the invention; it is not intended to limit the scope of the invention; the equivalent structure transformation that every utilization description of the invention and accompanying drawing content are made, or other related technical fields are directly or indirectly used in, it is included within the scope of the present invention.
Claims (9)
1. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel, it is characterised in that：Include the electric machine casing of an aluminium alloy casting, inlayed in the electric machine casing and be cast with a copper spiral coil water channel, the upper and lower ends side of the copper spiral coil water channel is respectively equipped with water inlet and delivery port, the water inlet and delivery port stretch out from the face of cylinder of the electric machine casing respectively, the threaded connector that can be connected with water-cooling circulating system is designed with the water inlet and delivery port, one end of the copper spiral coil water channel is also associated with the processing support skeleton of a casting process, the processing support skeleton is also cast in the electric machine casing, one end of the processing support skeleton is provided with support bar, expose one end of the end face of the support bar from the electric machine casing, the end face that exposes of the support bar is connected with the lower end of evaporative pattern bottom gating system.
2. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The surface of the copper spiral coil water channel, which is provided with, can strengthen the pit or pit of Al-alloy casing and copper spiral coil conjugation.
3. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The outer surface of the copper spiral coil water channel is provided with lumpy crest line or groove.
4. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The outer surface of the copper spiral coil water channel, which is provided with, can strengthen the coated copper silk screen of Al-alloy casing and copper spiral coil conjugation.
5. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The copper spiral coil water channel is bent using copper narrow rectangular tube to be formed, and the specification of narrow rectangular tube is：25 x 7 x 0.3mm.
6. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The copper spiral coil water channel is bent using copper pipe to be formed, and the specification of pipe is：φ7 x 0.3mm.
7. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The inner ring of the copper spiral coil water channel or outer ring are provided with the enhancing rigid welding reinforcement of copper spiral coil.
8. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The termination of the upper and lower ends of the copper spiral coil water channel is respectively provided with the copper bellows telescopic cavity provided with a thin-walled in an expansion breathing zone, the expansion breathing zone.
9. a kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel according to claim 1, it is characterised in that：The copper spiral coil water channel is processed by red copper or brass spiral coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205586.4A CN107294260A (en) | 2016-04-05 | 2016-04-05 | A kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205586.4A CN107294260A (en) | 2016-04-05 | 2016-04-05 | A kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel |
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| Publication Number | Publication Date |
|---|---|
| CN107294260A true CN107294260A (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610205586.4A Pending CN107294260A (en) | 2016-04-05 | 2016-04-05 | A kind of cast aluminium alloy gold motor casing of built-in copper spiral coil water channel |
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| CN (1) | CN107294260A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644596A (en) * | 2020-07-08 | 2020-09-11 | 纳似韦科技(苏州)有限公司 | Casting method of integral water-cooled motor shell with prefabricated spiral water channel |
| CN113090526A (en) * | 2021-04-13 | 2021-07-09 | 西安热工研究院有限公司 | Water ring vacuum system with coil pipe condensation cylinder |
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|---|---|---|---|---|
| US5859482A (en) * | 1997-02-14 | 1999-01-12 | General Electric Company | Liquid cooled electric motor frame |
| CN101417329A (en) * | 2007-10-26 | 2009-04-29 | 周传录 | Method with lost foam casting process production blast furnace water-cooling wall |
| CN102009159A (en) * | 2010-12-24 | 2011-04-13 | 重庆赛力盟电机有限责任公司 | Casting method of water-cooling aluminum engine base embedded with support |
| CN204089432U (en) * | 2014-10-11 | 2015-01-07 | 象山永和机械模具有限公司 | A kind of aluminum alloy cast water cooling motor housing |
| CN204449201U (en) * | 2015-02-15 | 2015-07-08 | 福建聚能机械制造有限公司 | A kind of aluminium alloy lost foam foundry goods EPS forming model structure |
| CN204886505U (en) * | 2015-07-23 | 2015-12-16 | 惠州市威盛工业有限公司 | Low pressure casting motor casing with spiral water channel structure |
-
2016
- 2016-04-05 CN CN201610205586.4A patent/CN107294260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5859482A (en) * | 1997-02-14 | 1999-01-12 | General Electric Company | Liquid cooled electric motor frame |
| CN101417329A (en) * | 2007-10-26 | 2009-04-29 | 周传录 | Method with lost foam casting process production blast furnace water-cooling wall |
| CN102009159A (en) * | 2010-12-24 | 2011-04-13 | 重庆赛力盟电机有限责任公司 | Casting method of water-cooling aluminum engine base embedded with support |
| CN204089432U (en) * | 2014-10-11 | 2015-01-07 | 象山永和机械模具有限公司 | A kind of aluminum alloy cast water cooling motor housing |
| CN204449201U (en) * | 2015-02-15 | 2015-07-08 | 福建聚能机械制造有限公司 | A kind of aluminium alloy lost foam foundry goods EPS forming model structure |
| CN204886505U (en) * | 2015-07-23 | 2015-12-16 | 惠州市威盛工业有限公司 | Low pressure casting motor casing with spiral water channel structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644596A (en) * | 2020-07-08 | 2020-09-11 | 纳似韦科技(苏州)有限公司 | Casting method of integral water-cooled motor shell with prefabricated spiral water channel |
| CN113090526A (en) * | 2021-04-13 | 2021-07-09 | 西安热工研究院有限公司 | Water ring vacuum system with coil pipe condensation cylinder |
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Effective date of registration: 20220420 Address after: 350500 No. 14, Fuxing Road, Aojiang industrial concentration zone, Lianjiang county, Fuzhou City, Fujian Province Applicant after: FUJIAN JUNENG PRECISION CASTING TECHNOLOGY Co.,Ltd. Address before: 350500 Fuxing Middle Road, Aojiang industrial concentration zone, Lianjiang county, Fuzhou City, Fujian Province Applicant before: FUJIAN JU NENG MACHINERY MANUFACTURING Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |