CN202188214U - Liquefied gas cylinder valve - Google Patents
Liquefied gas cylinder valve Download PDFInfo
- Publication number
- CN202188214U CN202188214U CN2011202482265U CN201120248226U CN202188214U CN 202188214 U CN202188214 U CN 202188214U CN 2011202482265 U CN2011202482265 U CN 2011202482265U CN 201120248226 U CN201120248226 U CN 201120248226U CN 202188214 U CN202188214 U CN 202188214U
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- CN
- China
- Prior art keywords
- liquefied gas
- cylinder
- pod apertures
- valve
- seal arrangement
- 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.)
- Expired - Lifetime
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Abstract
The application discloses a liquefied gas cylinder valve comprising diversion holes, and a sealing device, a closing piece and an anti-poking part embedded in the diversion holes of the valve, wherein a preset angle exists between the sealing surface of the sealing device and the horizontal section of the sealing device; the first diversion hole is arranged on the sealing surface, and the second diversion hole is communicated with the first diversion hole; the closing piece is arranged on a bearing platform for closing the first diversion hole; and the anti-poking part is arranged at the diversion hole and above the sealing device to prevent the sealing piece from being poked to deflect the first diversion hole or poked to deform to lose the closing function, thereby preventing a liquefied gas gun not matched with the valve from filling a liquefied gas cylinder, and ensuring the normal functions of the sealing device. The liquefied gas cylinder valve can realize the automatic control on the process of filling liquefied gas in the liquefied gas cylinder.
Description
Technical field
The application relates to valve technology field, particularly relates to a kind of cylinder for liquefied gas valve.
Background technique
In recent years, liquid gas got into huge numbers of families rapidly with advantage convenient, fast, cleaning, but owing to fill the potential safety hazard that the cylinder for liquefied gas of liquid gas possibly exist, entail dangers to is to user's the person and the safety of property as a kind of New-type fuel.
For guaranteeing user's security of the lives and property, cylinder for liquefied gas fills and adopts fixed point to fill mode, can set up perfect administer archive for cylinder for liquefied gas, thereby stop to use the cylinder for liquefied gas of not examining, scrapping.But because liquid gas distributors and supply website thereof are comparatively chaotic to the cylinder for liquefied gas management, the non-fixed point of ubiquity cylinder for liquefied gas fills, even uses phenomenons such as exceeding the time limit not examine steel cylinder.The cylinder for liquefied gas valve that uses at present is a pure machinery, can only accomplish the charging-discharging function of physics, can not control the cylinder for liquefied gas of not examining, scrapping automatically and re-use.Cause the non-fixed point of a large amount of steel cylinders fill, inspection, still using, there is very big potential safety hazard in the cylinder for liquefied gas do not scrapped.
In the undocumented file of portion, record a kind of scanning liquid gas charge gun, comprise scanner, charge gun rifle body, in addition, post the label that shows cylinder for liquefied gas identity and information state in the inboard of the circular arc handle guard shield of the body of cylinder for liquefied gas.During actual the use, earlier with the scanner on the scanning liquid gas charge gun, the label on the scanning cylinder for liquefied gas body; If label shows that this cylinder for liquefied gas is qualified, be that steel cylinder fills liquid gas then, if this cylinder for liquefied gas portion is qualified through control system; Then do not fill liquid gas for it; But this mode can only be the staff according to the label result on the scanning body, determines whether and will can not automatically control the process that does not fill liquid gas to steel cylinder for steel cylinder fills liquid gas; Still the phenomenon that re-uses of defective steel cylinder can not be fundamentally stopped, the phenomenon that non-fixed point fills liquid gas can not be stopped simultaneously.
In the unexposed file of another part, record a kind of liquid gas charge gun, can discern the label on the cylinder for liquefied gas body; If label shows that this steel cylinder is qualified; Then relatively strong magnetic force can be produced,, then magnetic force can not be produced if label shows that this steel cylinder is defective.But there is not matching used cylinder for liquefied gas valve with it in the existing technology.
The model utility content
Whether for solving the problems of the technologies described above, the application embodiment provides a kind of cylinder for liquefied gas valve, be that cylinder for liquefied gas fills gas to realize automatic control, and technological scheme is following:
A kind of cylinder for liquefied gas valve comprises pod apertures, also comprises: inner seal arrangement, the closure member of pod apertures that embeds said valve reaches to be prevented disclosing parts, wherein:
There is predetermined angle in the horizontal section of sealing surface on the said seal arrangement and sealing device;
Be arranged on first pod apertures on the said sealing surface;
Said seal arrangement is provided with second pod apertures that connects with said first pod apertures;
Said closure member is arranged on the said seal arrangement, is used to seal first pod apertures;
Saidly anti-disclose parts, be arranged on said pod apertures place, and be diameter and the suitable disk of said pod apertures internal diameter, disc face is provided with through hole.
Preferably, said predetermined angle is an acute angle.
Preferably, above-mentioned cylinder for liquefied gas valve also comprises: be arranged on the said sealing surface, be used to limit the position-limited rack of the position of said closure member.
Preferably, above-mentioned cylinder for liquefied gas valve also comprises: be arranged on the said anti-rectification part of disclosing the parts below, this rectification part is provided with the honeycomb duct that connects with said first pod apertures.
Preferably, said seal arrangement is provided with said sealing surface the cushion cap that becomes predetermined angle, is used to place said Sealing.
Preferably, above-mentioned cylinder for liquefied gas valve also comprises, be arranged on cylindricality or the fulcrum of pincushion on the said cushion cap, and this fulcrum is the soft fulcrum of spring-piece type.
Preferably, said seal arrangement is connected with the valve body of said valve through interference fit.
Preferably, said closure member is the iron valve block or the steel valve block of circle, horse shoe shaped or windsurfing shape.
Preferably, the valve body surface of said valve is provided with the electronic mark that shows the cylinder for liquefied gas identity.
Preferably, said electronic mark is the non-contact inductive chip.
Technological scheme by above the application embodiment provides is visible, when filling gas for the cylinder for liquefied gas that uses said cylinder for liquefied gas valve, needs the said liquid gas charge gun of supporting use, and it can discern the electronic mark of the cylinder for liquefied gas that uses this valve.If this steel cylinder is qualified, then said liquid gas charge gun can produce enough magnetic force and attract closure member, away from first pod apertures, rests on the hole wall of the pod apertures relative with said sealing surface, utilizes said liquid gas charge gun to fill liquid gas for this steel cylinder; If this steel cylinder is defective, then this liquid gas charge gun can not produce enough magnetic force and attracts closure member, also just can not be away from first pod apertures, and first pod apertures still is in closed state, and therefore, this steel cylinder can't be filled liquid gas.This valve also is provided with the anti-parts of disclosing; Prevent closure member on the seal arrangement from being disclosed out and depart from first pod apertures or closure member is disclosed bad distortion and forfeiture closing function; Thereby prevented do not use with the supporting liquid gas charge gun of this valve just can be that the phenomenon of cylinder for liquefied gas inflation takes place, guaranteed the normal function of seal arrangement.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of cylinder for liquefied gas valve in the existing technology;
Fig. 2 partly cuts open structural representation for a kind of cylinder for liquefied gas valve of the application embodiment;
Fig. 3 a is a kind of anti-sectional view of disclosing parts of the application embodiment;
Fig. 3 b is a kind of anti-plan view of disclosing parts of the application embodiment;
Fig. 4 partly cuts open structural representation for the another kind of cylinder for liquefied gas valve of the application embodiment;
Fig. 5 is the structural representation of a kind of seal arrangement of the application embodiment;
Fig. 6 is the sectional structure schematic representation of a kind of cylinder for liquefied gas valve of the application embodiment A-A direction.
Embodiment
In order to make those skilled in the art person understand the technological scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technological scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiments.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Referring to Fig. 2-Fig. 3 b, Fig. 2 partly cuts open structural representation for a kind of cylinder for liquefied gas valve of the application embodiment; Fig. 3 a is the anti-plan view of disclosing parts of the application embodiment for a kind of anti-sectional view of disclosing parts of the application embodiment, Fig. 3 b.
Referring to Fig. 2, be provided with seal arrangement 201, closure member 202 in the pod apertures 3 of said valve and anti-ly disclose parts 211, wherein:
There are the angle of predetermined angle in the sealing surface 203 of seal arrangement 201 and the horizontal section of seal arrangement 201, and this predetermined angle value can be acute angle.
When filling gas for cylinder for liquefied gas, the gas that is filled gets into through first pod apertures 204 and second pod apertures 205 from inflation inlet 2 and gets in the cylinder for liquefied gas.
The surface of seal arrangement 201 is provided with screw thread; Can be connected with the valve body 1 of valve through screw thread; Seal arrangement 201 can also be connected through interference fit such as shrinkage or hot jackets with the valve body of valve, to guarantee that seal arrangement 201 is more firm with being connected of valve.
When being installed in seal arrangement 201 in the inner pod apertures 3 of valve body 1, should the inflation inlet 2 of sealing surface 203 on valve when filling gas for cylinder for liquefied gas, be guaranteed that the gas that is filled can get in the steel cylinders through seal arrangement 201.
Closure member 202 is arranged on the said seal arrangement 201, is used to seal first pod apertures 204.
During practical implementation; Also be provided with the cushion cap 206 of placing closure member 202 on the seal arrangement 201; Wherein, This cushion cap surface can be arranged to arc surface or face directly, and the angle between the center line of the center line on said arc surface or plane and sealing surface 203 is predetermined angle, and this predetermined angle can be an acute angle.
Closure member 202 adopts the metallic material that is easy to be magnetized to process; Such as iron valve block or steel valve block; When filling gas for the cylinder for liquefied gas that uses this valve; Closure member 202 departs from first pod apertures 204 under the effect of extraneous magnetic force, fill gas in first pod apertures and second pod apertures entering cylinder for liquefied gas thereby can make.
In addition, this closure member 202 is arranged to circle, horse shoe shaped or windsurfing shape, and like this, this closure member is easy under the effect of external force, leave first pod apertures 204.
Through hole 212 is arranged on anti-edge of disclosing parts 211 disc face, and the center of circle part of disc face is an entity structure, and like this, this prevents that disclosing parts 211 is arranged on the pod apertures place, and is positioned at the top of seal arrangement.After the handwheel of valve and top nut disassemble; When disclosing from the top down by elongated object; Should anti-disclose parts 211; Can prevent closure member 202 on the seal arrangement 201 from being disclosed out and depart from first pod apertures 204 or closure member 202 is disclosed bad distortion and forfeiture closing function, thereby guarantee that seal arrangement and closure member are not destroyed, guarantee the function of the seal arrangement that valve is interior.
When filling gas for the cylinder for liquefied gas that uses this valve; Need the said liquid gas charge gun of supporting use; The charging air inlet of said liquid gas charge gun at first reads the electronic mark on the cylinder for liquefied gas, if electronic mark shows that this cylinder for liquefied gas meets the condition of filling behind the inflation inlet 2 reeve valve bodies of valve; Said liquid gas charge gun then produces enough big magnetic attraction closure member 202; Make it depart from first pod apertures 204, fill gas and get in the cylinder for liquefied gas, accomplish the lpg filling process through first pod apertures 204, second pod apertures thereby make; If electronic mark shows that this cylinder for liquefied gas does not meet the condition of filling; Then said liquid gas charge gun just can not produce magnetic force attract closure member 202 make its depart from first pod apertures 204 promptly first pod apertures 204 still be in closed state, so can't charge into gas to this cylinder for liquefied gas.
During gas in using cylinder for liquefied gas; Owing to be filled with liquid gas in the bottle; The effect of gas pressure makes closure member 202 by jack-up; Thereby depart from first pod apertures 204, second pod apertures 205 and first pod apertures 204 of overflowing through valve during liquid gas can steel cylinder are transported in the pipeline that is connected.
Need to prove that the electronic mark of cylinder for liquefied gas can be arranged on the body of steel cylinder, as long as can show the identity and the status information of steel cylinder, the application does not limit this.
The valve that present embodiment provides, the setting of seal arrangement, use this valve cylinder for liquefied gas can whether whether qualified control inflates as cylinder for liquefied gas according to cylinder for liquefied gas.And; The anti-parts of disclosing; Prevent that closure member on the seal arrangement from being disclosed out and depart from first pod apertures, thus prevented do not use with the supporting liquid gas charge gun of this valve just can be that the phenomenon of cylinder for liquefied gas inflation takes place, guaranteed the normal function of seal arrangement.
Preferably, referring to Fig. 4 and Fig. 5, Fig. 4 partly cuts open schematic representation for the application embodiment alternative valve; Fig. 5 is the structural representation of the another kind of seal arrangement of the application embodiment; Compare with valve shown in Figure 2, this valve also comprises: rectification part 207, position-limited rack 208 and fulcrum 209, wherein:
Concrete, the center portion of this rectification part 207 is provided with honeycomb duct because fluid all has wall attachment effect, flow so fill the tube wall that gas can depend on honeycomb duct, after the outflow not to around diffusion, so this rectification part has the effect of the guiding gas flow direction.
When inflating for the cylinder for liquefied gas that uses this valve; According to Bernoulli's law; Fill gas and form eddy current in the bottom of closure member 202; Make act on closure member 202 resultant direction upwards, finally make closure member 202 be stuck in the space between the lower disk surface of outer tube wall and rectification part 207 of said rectification part honeycomb duct, guaranteed that closure member is after leaving first pod apertures 204 under the extraneous magnetic force; Can do not filled gas and sweep away and seal first pod apertures 204, thereby guarantee normally to fill gas for cylinder for liquefied gas
Position-limited rack 208 is arranged on upper half part of sealing surface 203; And this position-limited rack is " several " font; Can prevent that closure member 202 from moving along the surface of cushion cap 206 and depart from first pod apertures 204, avoided not using said liquid gas charge gun also can fill the generation of the phenomenon of liquid gas as steel cylinder.
Also be provided with fulcrum 209 on the said cushion cap 206, metallic hard fulcrum that this fulcrum 209 can be cylindricality or pincushion or the hard fulcrum of plastics, this fulcrum can be inlayed, pegs graft or be riveted on the cushion cap 206; Said fulcrum 209 can also be the soft fulcrum of spring-piece type tinsel, pegs graft or is riveted on the edge of cushion cap 206.
Said fulcrum 209 contacts with the hole wall of the pod apertures 3 of said valve; Occupy certain space, pod apertures 3 inside; Can prevent under the effect of the unstable external force that closure member 202 produces when cylinder for liquefied gas shakes; Depart from said first pod apertures 204 and rest on the pod apertures hole wall of cylinder for liquefied gas valve, thereby avoided when the cylinder for liquefied gas vibrations produce unstable external force, not using said liquid gas charge gun also can fill the generation of the phenomenon of gas as cylinder for liquefied gas.
In addition, said rectification part 207 can be an overall structure, and the application does not limit this, everyly can realize protecting closure member not filled gas sweeping away and have the scope that structure that boot media flows to all belongs to the open and protection of the application.
Preferably, referring to Fig. 6, the sectional structure schematic representation of a kind of cylinder for liquefied gas valve of the application embodiment A-A direction, as shown in the figure, electronic mark 210 is arranged on the valve body of said valve.
When filling liquid gas for the liquid gas steel cylinder, know the identity and the status information of this steel cylinder through reading electronic mark 210, if qualified steel cylinder could be filled liquid gas; If ineligible steel cylinder then can not be loaded into liquid gas.Wherein, the said condition of filling can be qualified, steel cylinder that regularly examined, this gas-filling station etc.; The condition that does not fill can be scrap, the inspection, non-gas-filling station steel cylinder, the application does not limit this.In addition, the application does not limit the concrete shape and the material thereof of electronic mark 210, and every what can realize above-mentioned electronic mark function all is scopes that the application openly reaches protection.
The above only is the application's a embodiment; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the application's protection domain.
Claims (10)
1. a cylinder for liquefied gas valve comprises pod apertures, it is characterized in that, also comprises: inner seal arrangement, the closure member of pod apertures that embeds said valve reaches to be prevented disclosing parts, wherein:
There is predetermined angle in the horizontal section of sealing surface on the said seal arrangement and sealing device;
Be arranged on first pod apertures on the said sealing surface;
Said seal arrangement is provided with second pod apertures that connects with said first pod apertures;
Said closure member is arranged on the said seal arrangement, is used to seal first pod apertures;
Saidly anti-disclose parts, be arranged on said pod apertures place, and be diameter and the suitable disk of said pod apertures internal diameter, this disc face is provided with through hole.
2. cylinder for liquefied gas valve according to claim 1 is characterized in that, said predetermined angle is an acute angle.
3. cylinder for liquefied gas valve according to claim 1 is characterized in that, also comprises: be arranged on the said sealing surface, be used to limit the position-limited rack of the position of said closure member.
4. cylinder for liquefied gas valve according to claim 1 is characterized in that, also comprises: be arranged on the said anti-rectification part of disclosing the parts below, this rectification part is provided with the honeycomb duct that connects with said first pod apertures.
5. cylinder for liquefied gas valve according to claim 1 is characterized in that:
Said seal arrangement is provided with said sealing surface the cushion cap that becomes predetermined angle, is used to place said Sealing.
6. cylinder for liquefied gas valve according to claim 5 is characterized in that, also comprises, be arranged on cylindricality or the fulcrum of pincushion on the said cushion cap, and this fulcrum is the soft fulcrum of spring-piece type.
7. cylinder for liquefied gas valve according to claim 1 is characterized in that, said seal arrangement is connected with the valve body of said valve through interference fit.
8. cylinder for liquefied gas valve according to claim 1 is characterized in that, said closure member is the iron valve block or the steel valve block of circle, horse shoe shaped or windsurfing shape.
9. cylinder for liquefied gas valve according to claim 1 is characterized in that the valve body surface of said valve is provided with the electronic mark that shows the cylinder for liquefied gas identity.
10. cylinder for liquefied gas valve according to claim 9 is characterized in that, said electronic mark is the non-contact inductive chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202482265U CN202188214U (en) | 2011-07-14 | 2011-07-14 | Liquefied gas cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202482265U CN202188214U (en) | 2011-07-14 | 2011-07-14 | Liquefied gas cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188214U true CN202188214U (en) | 2012-04-11 |
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ID=45919665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202482265U Expired - Lifetime CN202188214U (en) | 2011-07-14 | 2011-07-14 | Liquefied gas cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188214U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628516A (en) * | 2012-04-18 | 2012-08-08 | 多立恒（北京）能源技术有限公司 | Vertical liquefied gas cylinder valve |
| CN103672141A (en) * | 2013-12-10 | 2014-03-26 | 严灿� | Novel air-inflation-preventing gas valve |
| CN103982687A (en) * | 2014-05-16 | 2014-08-13 | 游建龙 | Filling limiting bottle valve |
| CN104121395A (en) * | 2014-07-11 | 2014-10-29 | 深圳市安博自控能源技术有限公司 | Filling prevention valve element and valve |
| CN104180062A (en) * | 2014-08-06 | 2014-12-03 | 深圳市安博自控能源技术有限公司 | Intelligent anti-filling valve core and valve |
| CN104197061A (en) * | 2014-09-13 | 2014-12-10 | 何扶华 | Charge-limiting cylinder valve |
| CN105972291A (en) * | 2016-06-29 | 2016-09-28 | 朱佳 | Intelligent anti-filling valve element and valve |
| CN106090414A (en) * | 2016-08-12 | 2016-11-09 | 朱佳 | A kind of cylinder for liquefied gas fills tamper valve with anti- |
| CN108337282A (en) * | 2017-01-19 | 2018-07-27 | 深圳市兰洋科技有限公司 | Gas cylinder valve limit fills management system |
-
2011
- 2011-07-14 CN CN2011202482265U patent/CN202188214U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628516A (en) * | 2012-04-18 | 2012-08-08 | 多立恒（北京）能源技术有限公司 | Vertical liquefied gas cylinder valve |
| CN103672141A (en) * | 2013-12-10 | 2014-03-26 | 严灿� | Novel air-inflation-preventing gas valve |
| CN103982687B (en) * | 2014-05-16 | 2016-02-10 | 游建龙 | Restriction fills cylinder valve |
| CN103982687A (en) * | 2014-05-16 | 2014-08-13 | 游建龙 | Filling limiting bottle valve |
| CN104121395A (en) * | 2014-07-11 | 2014-10-29 | 深圳市安博自控能源技术有限公司 | Filling prevention valve element and valve |
| CN104121395B (en) * | 2014-07-11 | 2016-04-20 | 深圳市安博自控能源技术有限公司 | One is anti-fills spool and valve |
| CN104180062A (en) * | 2014-08-06 | 2014-12-03 | 深圳市安博自控能源技术有限公司 | Intelligent anti-filling valve core and valve |
| CN104180062B (en) * | 2014-08-06 | 2018-01-30 | 金向峰 | A kind of intelligence is anti-to fill valve element and valve |
| CN104197061A (en) * | 2014-09-13 | 2014-12-10 | 何扶华 | Charge-limiting cylinder valve |
| CN104197061B (en) * | 2014-09-13 | 2016-08-17 | 何扶华 | Limit fills cylinder valve |
| CN105972291A (en) * | 2016-06-29 | 2016-09-28 | 朱佳 | Intelligent anti-filling valve element and valve |
| CN106090414A (en) * | 2016-08-12 | 2016-11-09 | 朱佳 | A kind of cylinder for liquefied gas fills tamper valve with anti- |
| CN108337282A (en) * | 2017-01-19 | 2018-07-27 | 深圳市兰洋科技有限公司 | Gas cylinder valve limit fills management system |
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Free format text: FORMER OWNER: BAI SHUANFU Effective date: 20120425 Owner name: POLYGON (BEIJING) ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DU YONGFANG Effective date: 20120425 |
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Free format text: CORRECT: ADDRESS; FROM: 100176 DAXING, BEIJING TO: 100022 CHAOYANG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120425 Address after: 100022, room 7, building 3, No. 103 East Canal Road, Chaoyang District, Beijing Patentee after: Focotex Heng (Beijing) Energy Technology Co. Ltd Address before: 100176 Daxing District City Economic and Technological Development Zone Beijing City Garden 56-A-302 Co-patentee before: Bai Shuanfu Patentee before: Du Yongfang |
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| C56 | Change in the name or address of the patentee | ||
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Address after: 100102 Beijing city in Chaoyang District Lize Park 106 Building 2 layer 202C-2 Patentee after: Focotex Heng (Beijing) Energy Technology Co Ltd Address before: 100022, room 7, building 3, No. 103 East Canal Road, Chaoyang District, Beijing Patentee before: Focotex Heng (Beijing) Energy Technology Co. Ltd |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200514 Address after: 046000 No.8, Jinxiu street, Changzhi Economic Development Zone, Shanxi Province Patentee after: Shanxi duoliheng Electromechanical Technology Co., Ltd Address before: 100102 Beijing city in Chaoyang District Lize Park 106 Building 2 layer 202C-2 Patentee before: POLYGON (BEIJING) ENERGY TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |