CN201950042U - High pressure cleaning machine - Google Patents
High pressure cleaning machine Download PDFInfo
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- CN201950042U CN201950042U CN2010206486415U CN201020648641U CN201950042U CN 201950042 U CN201950042 U CN 201950042U CN 2010206486415 U CN2010206486415 U CN 2010206486415U CN 201020648641 U CN201020648641 U CN 201020648641U CN 201950042 U CN201950042 U CN 201950042U
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- pressure
- pipeline
- storing liquid
- liquid
- purge
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Abstract
The utility model discloses a high pressure cleaning machine including: a cleaning chamber having a water inlet and a water outlet; a first low pressure cleaning device comprising a head pipeline with one end connected with the water inlet of the cleaning chamber and with another end connected with a liquid storage apparatus, and a first low pressure water pump connected to the head pipeline; a high pressure cleaning device comprising a further head pipeline with one end within the cleaning chamber and with another end connected with the liquid storage apparatus, and a high pressure water pump connected with the further pipeline; and the liquid storage apparatus for storage of cleaning liquid. The high pressure cleaning machine produces continuous flowing water current through a first low pressure cleaning device, and cleans internal cavity and surface of a workpiece using high pressure cleaning solution with a pressure of at most 30 MPa generated by the high pressure cleaning device. The high pressure cleaning machine can process burr in a complex cavity within a workpiece, simultaneously do not scratches the surface of the workpiece, due to high pressure and flow characteristic of the liquid.
Description
Technical field
The utility model relates to a kind of cleaning equipment for engines, more particularly, the present invention relates to a kind of jetting machine inner to heavy castings such as automobile engine cylinder-body, cylinder caps and that scarfing cinder, cleaning are carried out in the surface that is used for.
Background technology
In automobile engine cylinder-body, cylinder cap casting and process, its inner chamber easily forms the various smear metals that are difficult to remove, burr, overlap and wedge angle.If clean not thoroughly, can cause serious harm to engine to the underproof place of this class.
Chinese patent 200820147018.4 discloses a kind of engine cylinder-body oil duct cleaning device, comprise water purging system and brush body purging system, the water purging system comprises the giant that can wash the oil duct of workpiece, and the brush body purging system comprises the brush body that can scrub the oil duct of workpiece.Adopt said structure, can scrub the workpiece oil duct earlier by brush body, tiny iron filings that are adsorbed on the workpiece bore area and the difficult burr of removing are brushed, wash by giant again, the supernatant iron filings of residue are washed, like this, iron filings and burr in can sound removing oil duct.
Chinese patent 201020151271.4 discloses a kind of car engine automatic rinser, comprising: the last filtering jar that a liquid storage filtering jar, this liquid storage filtering jar have mutual perforation reaches fluid reservoir down, and it is built-in with a filter, and the top of filtering jar is provided with the input port; In the following fluid reservoir is fluid reservoir, and the upper end of following fluid reservoir is provided with steam vent, and sidewall is provided with delivery outlet, and the bottom is provided with the cleaning mouth of being blocked by the cleaning plug; One is used for the importing liquid pipeline of input cleaning fluid in motor car engine; One is used for the derivation liquid pipeline with the derivation of the cleaning fluid in the motor car engine of flowing through; The input port that this is used for the derivation liquid pipeline that the cleaning fluid in the motor car engine of flowing through is derived is passed to filtering jar on the liquid storage filtering jar is provided with an input liquid electric pump in this derivation liquid pipeline; The delivery outlet of fluid reservoir communicates with the importing liquid pipeline that is used for input cleaning fluid in motor car engine under the liquid storage filtering jar, is provided with an output liquid electric pump in importing liquid pipeline; The controller of one control input liquid electric pump and the work of output liquid electric pump.
Chinese patent 01243093.5 discloses a kind of to motorcycle, the demolition clean machine of exempting from that automobile engine is safeguarded, its inside is equipped with the cleaning agent storage tank, infusion pump, be provided with filter in the cleaning agent storage tank, be used to filter the impurity that engine is taken out of, the cleaning agent storage tank has pipeline to receive the infusion pump inlet, the infusion pump outlet is provided with valve and cleaning agent woven hose, between the delivery side of pump (before the valve) bypass valve is installed at the return duct of cleaning agent storage tank inlet with infusing, on the infusion pipeline before the engine inlet automatic suck valve is installed also, in order to drain in-engine cleaning agent, this cleaning machine cleaning speed is fast, cleaning quality is good, rational in infrastructure, can realize automation mechanized operation.
Chinese patent 200820097821.1 discloses a kind of integrated bits cleaning machine that blows, and comprises support, part locating rack and inflatable body, also is provided with by cleaning the wiper mechanism that shower nozzle and high-pressure water pipe are formed; Wiper mechanism is located on the mount pad in two outer walls of part locating rack and two outsides; The part locating rack is a hollow structure, is provided with compressed air tracheae, high-pressure water pipe and corresponding blow head with it in the hollow and cleans shower nozzle and be connected; Described blow head is connected with control device with the cleaning shower nozzle.This utility model is simple in structure, and is easy and simple to handle, after blowing bits and finishing, can be immediately carry out water to parts such as engine cylinder-body or cylinder caps and dash and clean, and need not parts transfer not only to greatly reduce labour intensity to other station, improved production efficiency; And more saved the station place.
Employing hairbrush and water under high pressure that technique scheme has are handled workpiece, its drawback be the slotted hole of workpiece and aperture handle less than, and scratch the surface of workpiece easily; The water or the cleaning fluid of the employing usual pressure that has are handled workpiece, and its drawback is that pressure is big inadequately, and the burr in the inner complex-shaped surface mould of workpiece is difficult for handling clean; Employing gas that has and liquid mixing are cleaned, and its drawback is that the pressure of gas generation is less, usually at 3-5MPa, can't satisfy the needs of removing impurity.
Summary of the invention
At the shortcoming of prior art, the purpose of this utility model provides a kind of jetting machine, and it uses water under high pressure to handle the interior burr of the inner complex-shaped surface mould of workpiece, simultaneously not on the surface that scratches workpiece.
To achieve these goals, the technical solution of the utility model is:
A kind of jetting machine, it comprises:
The purge chamber, it has water inlet and delivery port, and workpiece to be cleaned such as engine place in this purge chamber;
The first low pressure purge device, be used to make continuous flowing water flow, it comprises that an end is connected in the water inlet of purge chamber, the other end and is connected in the total pipeline of device for storing liquid and is connected in first low-pressure pump on this total pipeline, and this first low-pressure pump can be big flow low-pressure pump;
High-pressure cleaning device, the inside die cavity and the surface of the high-pressure cleaning liquid cleaning workpiece that is up to 30MPa that is used to produce, it comprises the total pipeline that an end is positioned within the purge chamber, the other end is connected in device for storing liquid and is connected in high-pressure hydraulic pump on this total pipeline that this high-pressure hydraulic pump can make cleaning fluid reach the pressure of 30Mpa;
Device for storing liquid is used to store cleaning liquid.
Jetting machine of the present utility model can further comprise the second low pressure purge device, is used for workpiece through after the high pressure washing, the surface of cleaning workpiece.This second low pressure purge device comprises the pipeline that an end is positioned within the purge chamber, the other end is connected in device for storing liquid and is connected in second low-pressure pump on this pipeline that this second low-pressure pump can be the low discharge low-pressure pump;
In an embodiment of the present utility model, high-pressure cleaning device comprises:
First high-pressure cleaning device, it comprises that an end is connected in the high pressure reversal valve, the other end is connected in the subtube of hole with the high-pressure wash shower nozzle; This hole is positioned at the purge chamber with the high-pressure wash shower nozzle, and it can have a plurality of for example 20, is used for simultaneously a plurality of different holes on the workpiece being cleaned, and each hole can be by manual valve control with the high-pressure wash shower nozzle;
Second high-pressure cleaning device, it comprises that an end is connected in the high pressure reversal valve, the other end is connected in the subtube that surface high pressure is cleaned shower nozzle; This surface high pressure is cleaned shower nozzle and is positioned at the purge chamber, and it can have a plurality of for example 20, is used for simultaneously a plurality of different surfaces or the diverse location on same surface on the workpiece being cleaned, and each surface high pressure is cleaned shower nozzle can be by manual valve control;
The high pressure reversal valve, it is connected in device for storing liquid by total pipeline, is used for realizing commutation, and promptly first high-pressure cleaning device and second high-pressure cleaning device can only be opened one of them simultaneously;
High-pressure hydraulic pump is between high pressure reversal valve and device for storing liquid.
In an embodiment of the present utility model, device for storing liquid comprises first device for storing liquid and second device for storing liquid; The total pipeline of the first low pressure purge device is connected in first device for storing liquid; The total pipeline of high-pressure cleaning device is connected in second device for storing liquid; The pipeline of the second low pressure purge device is connected in second device for storing liquid.
Among this embodiment, be provided with first liquid withdrawal system between the purge chamber and first device for storing liquid, first liquid withdrawal system comprises first recovery channel and first filter, and first recovery channel is connected in the delivery port of purge chamber, and first filter is connected in first recovery channel.This structure makes the liquid in the purge chamber flow back to first device for storing liquid after filtering.First low-pressure pump circulates liquid between first device for storing liquid and purge chamber, form the loop.
Among this embodiment, first liquid withdrawal system also comprises and is used for flushing pipe that first filter is recoiled and cleans, one end of this flushing pipe connects first filter, and the other end is connected in the total pipeline of the first low pressure purge device, and its tie point is positioned at after first low-pressure pump.
Among this embodiment, be provided with second liquid withdrawal system between first device for storing liquid and second device for storing liquid, this second liquid withdrawal system comprises second recovery channel and second filter; Second recovery channel is connected in the total pipeline of the first low pressure purge device, and its tie point is positioned at after first low-pressure pump, and second filter is connected in second recovery channel.This structure makes the liquid in first device for storing liquid flow back to second device for storing liquid after filtering.Thereby second liquid in the device for storing liquid device passed through twice filtration, cleaning comparatively.That is, the cleaning liquid in the flowing fluid ratio first device for storing liquid device in the second device for storing liquid device, the cleaning liquid in the flowing fluid ratio purge chamber in the first device for storing liquid device.
Because frequent starting can reduce the life-span of water pump, so water pump is in case start the state that just is in long-time unlatching.Close or the water pump serious consequence that causes of running as usual during line clogging for fear of the water inlet of purge chamber, the first low pressure purge device also comprises the first off-load pipeline.One end of this first off-load pipeline is connected in the total pipeline of the first low pressure purge device, and its tie point is positioned at after first low-pressure pump, and the other end is connected in first device for storing liquid.This first off-load pipeline is provided with first unloader.Open and pipeline when unimpeded when the water inlet of purge chamber, first unloader cuts out; When the water inlet of purge chamber is closed or during line clogging, the first off-load valve open makes the liquid in first device for storing liquid flow back to first device for storing liquid through the first off-load pipeline, to protect first low-pressure pump.
In like manner, high-pressure cleaning device also comprises the second off-load pipeline, and an end of this second off-load pipeline is connected in the total pipeline of high-pressure cleaning device, and its tie point is positioned at after the high-pressure hydraulic pump, and the other end is connected in second device for storing liquid.This second off-load pipeline is provided with second unloader.
The setting of off-load pipeline is in order to protect pressure height, water pump that flow is big.Second low-pressure pump is the low discharge low-lift pump, thereby need not be provided with usually.Certainly, more stable in order to make whole system under the situation that capital budgeting allows, also can the off-load pipeline be set to second low-pressure pump, its action principle is identical, does not repeat them here.
Hypertonia for fear of high-pressure hydraulic pump; high-pressure cleaning device also comprises the overvoltage protection pipeline; one end of this overvoltage protection pipeline is connected in the total pipeline of high-pressure cleaning device, and its tie point is positioned at after the described high-pressure hydraulic pump, and the other end is connected in second device for storing liquid.This overvoltage protection pipeline is provided with high-pressure safety valve.Be provided with pressure sensor in the total pipeline of high-pressure cleaning device, when pressure is higher than preset value, system then opens high-pressure safety valve, makes a part of liquid flow back to second device for storing liquid by the overvoltage protection pipeline.
Liquid in the purge chamber cleaned engine or other workpiece, contained a large amount of oil contents usually.Filter is inoperative to oil content, and oil content can successfully enter first device for storing liquid and second device for storing liquid.Enter second device for storing liquid for fear of this oil content from first device for storing liquid and reenter the purge chamber, influence cleaning liquid degree and the final effect that influences workpiece cleaning in second device for storing liquid, in first device for storing liquid, be provided with discharge equipment.
The effect of the second low pressure purge device is after workpiece process high pressure washing, the surface of cleaning workpiece.In order to finish cleaning better and more comprehensively, the end that the pipeline of the second low pressure purge device is positioned within the purge chamber is connected with surperficial low pressure purge shower nozzle.This shower nozzle can have a plurality of for example 20, and each surperficial low pressure purge shower nozzle can be by manual valve control.
Compared with prior art, the utility model is by the continuous flowing water flow of the first low pressure purge device manufacturing, utilize the inside die cavity and the surface of the high-pressure cleaning liquid cleaning workpiece that is up to 30MPa of high-pressure cleaning device generation simultaneously, because the flow behavior of high pressure and liquid, the utility model can be handled the burr in the inner complex-shaped surface mould of workpiece, simultaneously not on the surface that scratches workpiece.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the utility model jetting machine specific embodiment.
The specific embodiment
As shown in Figure 1, the jetting machine of present embodiment comprises: purge chamber 1, the first low pressure purge device, the second low pressure purge device, high-pressure cleaning device, first device for storing liquid such as main water box 5, second device for storing liquid such as secondary water tank 6, first liquid withdrawal system, second liquid withdrawal system.
Purge chamber 1 has water inlet and delivery port; Be provided with oil extraction device 15 in the main water box 5.
The first low pressure purge device comprises that an end is connected in the water inlet of purge chamber 1, the other end and is connected in the total pipeline of main water box 5 and is connected in first low-pressure pump such as big flow low-pressure pumps 16 on this total pipeline; It also comprises the first off-load pipeline, and this first off-load pipeline is connected in the total pipeline of the first low pressure purge device, and its tie point is positioned at after the big flow low-pressure pumps 16, and it is provided with first unloader 12.In addition, the total pipeline of this first low pressure purge device is provided with magnetic valve 14.
The second low pressure purge device comprises that an end is positioned within the purge chamber 1, the other end is connected in the pipeline of secondary water tank 6 and is connected in second low-pressure pump such as low discharge low-lift pump 20 on this pipeline; The end that its pipeline is positioned within the purge chamber 1 is connected with a plurality of surperficial low pressure purge shower nozzles 3.
High-pressure cleaning device comprises first high-pressure cleaning device, second high-pressure cleaning device, high pressure reversal valve 7, high-pressure hydraulic pump 10, the second off-load pipeline, overvoltage protection pipeline.Wherein, first high-pressure cleaning device comprises that an end is connected in high pressure reversal valve 7, the other end is connected with the subtube of a plurality of holes with high-pressure wash shower nozzle 4, and this hole is positioned at described purge chamber 1 with high-pressure wash shower nozzle 4; Second high-pressure cleaning device comprises that an end is connected in high pressure reversal valve 7, the other end is connected with the subtube that a plurality of surface high pressure are cleaned shower nozzle 2, and this surface high pressure is cleaned shower nozzle 2 and is positioned at described purge chamber 1; High pressure reversal valve 7 is by total pipeline auxiliary connection water tank 6; High-pressure hydraulic pump 10 is between high pressure reversal valve 7 and secondary water tank 6.The second off-load pipeline is connected in the total pipeline of high-pressure cleaning device, and its tie point is positioned at after the high-pressure hydraulic pump 10, and this second off-load pipeline is provided with second unloader 11.The overvoltage protection pipeline is connected in the total pipeline of high-pressure cleaning device, and its tie point is positioned at after the high-pressure hydraulic pump 10, and this overvoltage protection pipeline is provided with high-pressure safety valve 8.In addition, also be provided with high-pressure pressure regulating valve 9 on the total pipeline of high-pressure cleaning device.
First liquid withdrawal system is between purge chamber 1 and main water box 5, and it comprises first recovery channel 21, first filter 17, flushing pipe.First recovery channel is connected in the delivery port of purge chamber 1.One end of flushing pipe is connected in the total pipeline of the first low pressure purge device, and its tie point is positioned at after the big flow low-pressure pumps 16, and the other end is connected in first filter 17, and this flushing pipe is provided with flushing valve 18.
Second liquid withdrawal system is between main water box 5 and secondary water tank 6, and it comprises second recovery channel, second filter 19.Second recovery channel is connected in the total pipeline of the first low pressure purge device, and its tie point is positioned at after first low-pressure pump 16, which is provided with magnetic valve 13.
The workflow of present embodiment can be divided into water and not embathe operation and surface clean operation.
Do not embathe operation at water, workpiece all is immersed in the cleaning fluid of purge chamber 1, and magnetic valve 14 is opened, and big flow low-pressure pumps 16 extracts cleaning fluid from main water box 5, makes low pressure and mass flow cleaning fluid flushing workpiece, and segregative smear metal is gone out with current in the workpiece.High-pressure hydraulic pump 10 extracts cleaning fluid from secondary water tank 6 simultaneously, by high pressure reversal valve 7, cleaning fluid with high-pressure low-flow washes surface of the work and endoporus respectively, because the cleaning fluid pressure very high (being up to 30MPa) of high-pressure hydraulic pump 10, not segregative attachment is gone out by current in surface of the work and the endoporus, and burr, overlap and acute angle are eliminated.
In the surface clean operation, workpiece is outstanding to be held in 1 top, purge chamber, and low discharge low-lift pump 20 extracts clean cleaning fluid from secondary water tank 6, the smear metal that surface of the work is residual is cleaned.
Though the utility model discloses as above with preferred embodiment, be not in order to limit the scope that the utility model is implemented.Any those of ordinary skill in the art, in not breaking away from utility model scope of the present utility model, when doing a little improvement, promptly every equal improvement of doing according to the utility model should be utility model scope of the present utility model and contains.
Claims (10)
1. a jetting machine is characterized in that, this jetting machine comprises:
Purge chamber (1), it has water inlet and delivery port;
The first low pressure purge device, it comprises that an end is connected in the water inlet of purge chamber (1), the other end and is connected in the total pipeline of device for storing liquid and is connected in first low-pressure pump (16) on this total pipeline;
High-pressure cleaning device, it comprises that an end is positioned within the purge chamber (1), the other end is connected in the total pipeline of device for storing liquid and is connected in high-pressure hydraulic pump (10) on this total pipeline;
Device for storing liquid is used to store cleaning liquid.
2. jetting machine as claimed in claim 1, it is characterized in that, this jetting machine also comprises the second low pressure purge device, and the described second low pressure purge device comprises that an end is positioned within the purge chamber (1), the other end is connected in the pipeline of device for storing liquid and is connected in second low-pressure pump (20) on this pipeline.
3. jetting machine as claimed in claim 1 is characterized in that, described high-pressure cleaning device comprises:
First high-pressure cleaning device, it comprises that an end is connected in high pressure reversal valve (7), the other end is connected in the subtube of hole with high-pressure wash shower nozzle (4), described hole is positioned at described purge chamber (1) with high-pressure wash shower nozzle (4);
Second high-pressure cleaning device, it comprises that an end is connected in high pressure reversal valve (7), the other end is connected in the subtube that surface high pressure is cleaned shower nozzle (2), described surface high pressure is cleaned shower nozzle (2) and is positioned at described purge chamber (1);
High pressure reversal valve (7), it connects described device for storing liquid by total pipeline;
Described high-pressure hydraulic pump (10) is positioned between described high pressure reversal valve (7) and the described device for storing liquid.
4. jetting machine as claimed in claim 1 is characterized in that, described device for storing liquid comprises first device for storing liquid (5) and second device for storing liquid (6); The total pipeline of the described first low pressure purge device connects described first device for storing liquid (5); The total pipeline of described high-pressure cleaning device connects described second device for storing liquid (6); The pipeline of the described second low pressure purge device connects described second device for storing liquid (6).
5. jetting machine as claimed in claim 4, it is characterized in that, be provided with first liquid withdrawal system between described purge chamber (1) and described first device for storing liquid, described first liquid withdrawal system comprises first recovery channel and first filter (17), and described first recovery channel is connected in the delivery port of described purge chamber (1).
6. jetting machine as claimed in claim 5 is characterized in that, described first liquid withdrawal system also comprises and is used for flushing pipe that first filter (17) is recoiled and cleans.
7. jetting machine as claimed in claim 5, it is characterized in that, be provided with second liquid withdrawal system between described first device for storing liquid (5) and described second device for storing liquid (6), described second liquid withdrawal system comprises second recovery channel and second filter (19); Described second recovery channel is connected in the total pipeline of the described first low pressure purge device, and its tie point is positioned at described first low-pressure pump (16) afterwards.
8. jetting machine as claimed in claim 1 is characterized in that, the described first low pressure purge device also comprises the first off-load pipeline; Described high-pressure cleaning device also comprises the second off-load pipeline.
9. jetting machine as claimed in claim 1 is characterized in that described high-pressure cleaning device also comprises the overvoltage protection pipeline, and this overvoltage protection pipeline is connected in the total pipeline of described high-pressure cleaning device, and its tie point is positioned at described high-pressure hydraulic pump (10) afterwards; This overvoltage protection pipeline is provided with high-pressure safety valve (8).
10. jetting machine as claimed in claim 1 is characterized in that, is provided with discharge equipment (15) in described first device for storing liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206486415U CN201950042U (en) | 2010-12-08 | 2010-12-08 | High pressure cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206486415U CN201950042U (en) | 2010-12-08 | 2010-12-08 | High pressure cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201950042U true CN201950042U (en) | 2011-08-31 |
Family
ID=44494169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206486415U Expired - Fee Related CN201950042U (en) | 2010-12-08 | 2010-12-08 | High pressure cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201950042U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397855A (en) * | 2011-10-28 | 2012-04-04 | 中国重汽集团济南动力有限公司 | Regenerated engine oil cooler core cleaning device |
| CN103464409A (en) * | 2013-09-26 | 2013-12-25 | 上海杰尼清洗设备有限公司 | Double-parameter high-pressure cleaning equipment |
| CN105149688A (en) * | 2015-05-15 | 2015-12-16 | 大连现代辅机开发制造有限公司 | High-pressure water jet cutter deburring method and device specially used for implementing method |
| CN107552448A (en) * | 2017-09-08 | 2018-01-09 | 合肥惠科金扬科技有限公司 | A kind of removable AMOLED LCD screens atomizing cleaning machine |
| CN109420632A (en) * | 2017-08-22 | 2019-03-05 | 常州格力博有限公司 | Cleaning equipment |
-
2010
- 2010-12-08 CN CN2010206486415U patent/CN201950042U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397855A (en) * | 2011-10-28 | 2012-04-04 | 中国重汽集团济南动力有限公司 | Regenerated engine oil cooler core cleaning device |
| CN103464409A (en) * | 2013-09-26 | 2013-12-25 | 上海杰尼清洗设备有限公司 | Double-parameter high-pressure cleaning equipment |
| CN105149688A (en) * | 2015-05-15 | 2015-12-16 | 大连现代辅机开发制造有限公司 | High-pressure water jet cutter deburring method and device specially used for implementing method |
| CN109420632A (en) * | 2017-08-22 | 2019-03-05 | 常州格力博有限公司 | Cleaning equipment |
| CN107552448A (en) * | 2017-09-08 | 2018-01-09 | 合肥惠科金扬科技有限公司 | A kind of removable AMOLED LCD screens atomizing cleaning machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 25 building, A building, No. 567 Tianhe North Road, Tianhe District, Guangdong, Guangzhou 510620, China Patentee after: GUANGZHOU YUEYAN INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 25 building, A building, No. 567 Tianhe North Road, Tianhe District, Guangdong, Guangzhou 510620, China Patentee before: GUANGZHOU YUEYAN HYDRAULIC & ELECTRIC MACHINE Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 510620, Guangdong, Guangzhou province Panyu District town hall village, Southern China New Town Road, No. 2 factory building Patentee after: GUANGZHOU YUEYAN INTELLIGENT EQUIPMENT CO.,LTD. Address before: 25 building, A building, No. 567 Tianhe North Road, Tianhe District, Guangdong, Guangzhou 510620, China Patentee before: GUANGZHOU YUEYAN INTELLIGENT EQUIPMENT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20181208 |