CN105485397A - Electromagnetic valve for regulating gas flow - Google Patents
Electromagnetic valve for regulating gas flow Download PDFInfo
- Publication number
- CN105485397A CN105485397A CN201610062411.2A CN201610062411A CN105485397A CN 105485397 A CN105485397 A CN 105485397A CN 201610062411 A CN201610062411 A CN 201610062411A CN 105485397 A CN105485397 A CN 105485397A
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- gas flow
- housing
- valve nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Abstract
The invention discloses an electromagnetic valve for regulating gas flow. The electromagnetic valve comprises an electromagnetic valve seat, wherein a movable valve body and a casing are sequentially arranged in the electromagnetic valve seat from inside to outside, the upper end of the casing extends outwards, a connecting piece with a hollow inner part is arranged at the lower end of the casing, a gap is reserved between the upper end of the connecting piece and the lower end of the movable valve body, a valve mouth is in threaded connection with the extending end of the casing, a gas channel communicated with the middle part of the connecting piece is formed in the movable valve body, a spring is arranged in the gas channel, two through holes communicated with the gas channel are formed in the side wall of the movable valve body, the upper end of the movable valve body is communicated with the inside of the valve mouth, and multiple blowholes are formed in the circumference of the top end of the valve mouth. Compared with the prior art, under the premise of the same increase of gas input, the output of a single gas transmission channel is far lower than that of double gas transmission channels, then the change rate of gas supply quantity of a spray rail car is realized, and the gas flow is flexibly regulated and controlled.
Description
Technical field
The present invention relates to gas injection rail, specifically refer to a kind of solenoid valve regulated for gas flow.
Background technique
Along with the rapid growth of automobile pollution, environmental pollution and petroleum resources shortage problem are on the rise.For this reason, the R&D work of new-energy automobile is actively developed in countries in the world.Wherein, gas-fueled vehicles are low with its discharge, suppress greenhouse effect and break away to rely on three large characteristics to oil, just worldwide obtain universal and popularization.In China, many city bus and taxi have great amount of fuel oil car to use instead or are using compressed natural gas (CNG) or liquefied petroleum gas (LPG) (LPG) instead.Along with increasing rapidly of China's gas combustion automobile recoverable amount, develop the combustion heater matched with it also imperative.
In the electronic controlled gas injection system of gaseous propellant engine, one of device of most critical is gas ejector, and its performance quality directly affects the jet quality of fuel.But spray the complex structure of rail spool in prior art, the stability of nozzle flow is not enough, comparatively delayed to the adjustment of gas flow in adjustment process, for example (,) slower in the gas flow change strengthened or reduce to be gone out by nozzle ejection when flow exports.
Summary of the invention
The object of the present invention is to provide a kind of solenoid valve regulated for gas flow, increase the rate of change of fuel gas supply amount in spray rail, and then the object of gas flow flexible modulation.
Object of the present invention is achieved through the following technical solutions:
A kind of solenoid valve regulated for gas flow, comprise solenoid valve seat inwall being provided with electromagnetic coil, moving valve is disposed with from inside to outside in described solenoid valve seat, housing, described housing upper end stretches out, and the link of inner hollow is provided with in described housing lower end, gap is left between link upper end and moving valve lower end, to be threaded valve nozzle at the extending end of housing, described moving valve inside has and the air flue be communicated with in the middle part of link, spring is arranged in air flue, and two through holes be communicated with air flue are had on described moving valve sidewall, moving valve upper end is communicated with valve nozzle inside, and circumferentially have multiple fumarole on valve nozzle top, when adjusting gas flow exports, by the changes of magnetic field of electromagnetic coil, moving valve in the vertical direction is made to do straight line motion, to regulate the area of contact size of through hole and inner walls.In prior art, the supply of combustion gas is directly transmitted often through fuel gas pipeline, does not reach the requirement of precise fine-adjustment in the adjustment of air demand, makes gas supply cannot practical requirement, when the present invention works, for supply normal flow rate, moving valve contacts with each other with the corresponding end face of link, and through hole completely block by inner walls, combustion gas enters in air flue by link inside, directly sprayed in valve nozzle by the open end at air flue top, the fumarole eventually passing valve nozzle top flows out, and when needs increase gas supply amount, by electromagnetic coil, the magnetic field around moving valve is changed in solenoid valve seat, make to depart between moving valve and link, namely moving valve moves up, now, the through hole be communicated with air flue is communicated with valve nozzle inside gradually, namely the combustion gas exported by link inside enters in valve nozzle by the open end at through hole and moving valve top, the combustion gas input quantity that only need increase link place then can increase the final combustion gas output quantity of valve nozzle, compared with prior art, under the prerequisite of same increase combustion gas input quantity, the output quantity of single gas distribution channel is well below the output quantity of two gas distribution channel, and then realize the rate of change of fuel gas supply amount in spray rail, reach the object of gas flow flexible modulation.And, the excircle at valve nozzle top arranges multiple fumarole, the stable output of combustion gas when gas quantity in air flue increases or reduces can be adapted to, wherein valve nozzle is threaded with the extending end of housing, quick-replaceable can be carried out to it when valve nozzle is impaired, and then the integral replacing avoiding the parts such as spool and solenoid valve seat, reduce user cost.
In described gap, cushion pad is installed.For reducing the impact between moving valve and link end, at gap location, cushion pad is installed, to-and-fro motion on the vertical direction that moving valve keeps stable can be ensured on the one hand, can also will reduce the wearing and tearing of moving valve end face on the other hand, extend the working life of moving valve.
In the joint of described valve nozzle outer wall and housing extending end inwall, O type circle is installed.Because valve nozzle and housing extending end are for being threaded, for strengthening the connection sealing between valve nozzle and housing further, the object that O type circle can not only realize strengthening sealability is set, combustion gas can also be cushioned when spraying to the impact dynamics between housing and valve nozzle joint, with the stability of assurance device entirety.
Also comprise straight tube, described straight tube lower end is connected with the open end at moving valve top, the dead in line of described straight tube and valve nozzle.The setting of straight tube shortens the operation distance of combustion gas in valve nozzle inside, avoid when increasing gas supply amount, flowing by being formed to wad a quilt with cotton between the combustion gas of flowing out in the combustion gas of ejecting in through hole and moving valve open-top end, causing combustion gas to reduce the combustion gas output quantity at fumarole place in the waiting time of valve nozzle inside simultaneously; And the dead in line of the axis of straight tube and valve nozzle, can distinguish the combustion gas that the combustion gas of flowing out in through hole and straight tube are flowed out, but finally converge in fumarole place, ensure the flow ejection efficiency at valve nozzle place.
The inwall on described valve nozzle top is given prominence to down along straight tube axial direction, and the cross section of this protuberance is semicircle.As preferably, if the combustion gas that straight tube end exports is applied directly on the inwall on valve nozzle top, launched by plane, combustion gas is likely launched to the sidewall of valve nozzle inside from the inwall on valve nozzle top, and then extend combustion gas persist the time in valve nozzle, and the inwall on valve nozzle top is given prominence to down along straight tube axial direction in the present invention, cross section is the leading role that semicircular protuberance can carry out to a certain extent to combustion gas, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole place along its arc surface, the gas flow ejection efficiency at further raising valve nozzle place.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention arranges multiple fumarole on the excircle at valve nozzle top, the stable output of combustion gas when gas quantity in air flue increases or reduces can be adapted to, wherein valve nozzle is threaded with the extending end of housing, quick-replaceable can be carried out to it when valve nozzle is impaired, and then the integral replacing avoiding the parts such as spool and solenoid valve seat, reduce user cost;
2, the setting of straight tube of the present invention shortens the operation distance of combustion gas in valve nozzle inside, avoid when increasing gas supply amount, flowing by being formed to wad a quilt with cotton between the combustion gas of flowing out in the combustion gas of ejecting in through hole and moving valve open-top end, causing combustion gas to reduce the combustion gas output quantity at fumarole place in the waiting time of valve nozzle inside simultaneously; And the dead in line of the axis of straight tube and valve nozzle, can distinguish the combustion gas that the combustion gas of flowing out in through hole and straight tube are flowed out, but finally converge in fumarole place, ensure the flow ejection efficiency at valve nozzle place;
3, if the combustion gas that in the present invention, straight tube end exports is applied directly on the inwall on valve nozzle top, launched by plane, combustion gas is likely launched to the sidewall of valve nozzle inside from the inwall on valve nozzle top, and then extend combustion gas persist the time in valve nozzle, and the inwall on valve nozzle top is given prominence to down along straight tube axial direction in the present invention, cross section is the leading role that semicircular protuberance can carry out to a certain extent to combustion gas, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole place along its arc surface, the gas flow ejection efficiency at further raising valve nozzle place.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding component title in accompanying drawing:
1-through hole, 2-fumarole, 3-straight tube, 4-spring, 5-moving valve, 6-housing, 7-air flue, 8-link, 9-solenoid valve seat, 10-cushion pad, 11-O type circle, 12-valve nozzle.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the solenoid valve seat 9 inwall being provided with electromagnetic coil, moving valve 5 is disposed with from inside to outside in described solenoid valve seat 9, housing 6, described housing 6 upper end stretches out, and the link 8 of inner hollow is provided with in described housing 6 lower end, gap is left between link 8 upper end and moving valve 5 lower end, to be threaded valve nozzle 12 at the extending end of housing 6, described moving valve 5 inside has and the air flue 7 be communicated with in the middle part of link 8, spring 4 is arranged in air flue 7, and two through holes 1 be communicated with air flue 7 are had on described moving valve 5 sidewall, moving valve 5 upper end is communicated with valve nozzle 12 inside, and circumferentially have multiple fumarole 2 on valve nozzle 12 top, when adjusting gas flow exports, by the changes of magnetic field of electromagnetic coil, moving valve 5 in the vertical direction is made to do straight line motion, to regulate the area of contact size of through hole 1 and housing 6 inwall.
During work, for supply normal flow rate, moving valve 5 contacts with each other with the corresponding end face of link 8, and through hole 1 completely block by housing 6 inwall, combustion gas enters in air flue 7 by link 8 inside, directly sprayed in valve nozzle 12 by the open end at air flue 7 top, the fumarole 2 eventually passing valve nozzle 12 top flows out, and when needs increase gas supply amount, by electromagnetic coil, the magnetic field around moving valve 5 is changed in solenoid valve seat 9, make to depart between moving valve 5 and link 8, namely moving valve 5 moves up, now, the through hole 1 be communicated with air flue 7 is communicated with valve nozzle 12 inside gradually, namely the combustion gas exported by link 8 inside enters in valve nozzle 12 by the open end at through hole 1 and moving valve 5 top, the combustion gas input quantity that only need increase link 8 place then can increase the final combustion gas output quantity of valve nozzle 12, compared with prior art, under the prerequisite of same increase combustion gas input quantity, the output quantity of single gas distribution channel is well below the output quantity of two gas distribution channel, and then realize the rate of change of fuel gas supply amount in spray rail, reach the object of gas flow flexible modulation.And, the excircle at valve nozzle 12 top arranges multiple fumarole 2, the stable output of combustion gas when gas quantity in air flue 7 increases or reduces can be adapted to, wherein valve nozzle 12 is threaded with the extending end of housing 6, quick-replaceable can be carried out to it when valve nozzle 12 is impaired, and then the integral replacing avoiding parts such as spool and solenoid valve seats 9, reduce user cost.
Wherein, the present embodiment is reduce the impact between moving valve 5 and link 8 end, at gap location, cushion pad 10 is installed, to-and-fro motion on the vertical direction that moving valve 5 keeps stable can be ensured on the one hand, can also will reduce the wearing and tearing of moving valve 5 end face on the other hand, extend the working life of moving valve 5.Because valve nozzle 12 and housing 6 extending end are for being threaded, for strengthening the connection sealing between valve nozzle 12 and housing 6 further, the object that O type circle 11 can not only realize strengthening sealability is set, combustion gas can also be cushioned when spraying to the impact dynamics between housing 6 and valve nozzle 12 joint, with the stability of assurance device entirety.
The present embodiment also comprises straight tube 3, and described straight tube 3 lower end is connected with the open end at moving valve 5 top, the dead in line of described straight tube 3 and valve nozzle 12.The setting of straight tube 3 shortens the operation distance of combustion gas in valve nozzle 12 inside, avoid when increasing gas supply amount, flowing by being formed to wad a quilt with cotton between the combustion gas of flowing out in the combustion gas of ejecting in through hole 1 and moving valve 5 open-top end, causing combustion gas to reduce the combustion gas output quantity at fumarole 2 place in the waiting time of valve nozzle 12 inside simultaneously; And the dead in line of the axis of straight tube 3 and valve nozzle 12, can distinguish the combustion gas that the combustion gas of flowing out in through hole 1 and straight tube 3 are flowed out, but finally converges in fumarole 2 place, ensure the flow ejection efficiency at valve nozzle 12 place.
As preferably, if the combustion gas that straight tube 3 end exports is applied directly on the inwall on valve nozzle 12 top, launched by plane, combustion gas is likely launched to the sidewall of valve nozzle 12 inside from the inwall on valve nozzle 12 top, and then extend combustion gas persist the time in valve nozzle 12, and the inwall on valve nozzle 12 top is given prominence to down along straight tube 3 axial direction in the present invention, cross section is the leading role that semicircular protuberance can carry out to a certain extent to combustion gas, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole 2 place along its arc surface, the gas flow ejection efficiency at further raising valve nozzle 12 place.
Above-described embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the solenoid valve regulated for gas flow, comprise the solenoid valve seat (9) inwall being provided with electromagnetic coil, it is characterized in that: in described solenoid valve seat (9), be disposed with moving valve (5) from inside to outside, housing (6), described housing (6) upper end stretches out, and the link (8) of inner hollow is provided with in described housing (6) lower end, gap is left between link (8) upper end and moving valve (5) lower end, to be threaded valve nozzle (12) at the extending end of housing (6), described moving valve (5) inside has the air flue (7) be communicated with link (8) middle part, spring (4) is arranged in air flue, and on described moving valve (5) sidewall, have two through holes (1) be communicated with air flue (7), moving valve (5) upper end is communicated with valve nozzle (12) inside, and circumferentially have multiple fumarole (2) on valve nozzle (12) top, when adjusting gas flow exports, by the changes of magnetic field of electromagnetic coil, moving valve (5) in the vertical direction is made to do straight line motion, to regulate the area of contact size of through hole (1) and housing (6) inwall.
2. a kind of solenoid valve regulated for gas flow according to claim 1, is characterized in that: in described gap, be provided with cushion pad (10).
3. a kind of solenoid valve regulated for gas flow according to claim 1, is characterized in that: be provided with O type circle (11) in the joint of described valve nozzle (12) outer wall and housing (6) extending end inwall.
4. a kind of solenoid valve regulated for gas flow according to claim 1, it is characterized in that: also comprise straight tube (3), described straight tube (3) lower end is connected with the open end at moving valve (5) top, the dead in line of described straight tube (3) and valve nozzle (12).
5. a kind of solenoid valve regulated for gas flow according to claim 4, is characterized in that: the inwall on described valve nozzle (12) top is given prominence to down along straight tube (3) axial direction, and the cross section of this protuberance is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062411.2A CN105485397B (en) | 2016-01-29 | 2016-01-29 | A kind of solenoid valve adjusted for gas flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062411.2A CN105485397B (en) | 2016-01-29 | 2016-01-29 | A kind of solenoid valve adjusted for gas flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485397A true CN105485397A (en) | 2016-04-13 |
| CN105485397B CN105485397B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610062411.2A Active CN105485397B (en) | 2016-01-29 | 2016-01-29 | A kind of solenoid valve adjusted for gas flow |
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| CN (1) | CN105485397B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804891A (en) * | 2016-03-29 | 2016-07-27 | 成都科力夫科技有限公司 | Fuel gas jetting control method of double-fuel locomotive |
| CN110849629A (en) * | 2019-10-14 | 2020-02-28 | 中国北方发动机研究所(天津) | Adjustable nozzle of turbocharger test bed combustion chamber and combustion chamber |
| CN110953394A (en) * | 2019-10-14 | 2020-04-03 | 中国北方发动机研究所(天津) | Electromagnetic valve for nozzle of combustion chamber |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452718A1 (en) * | 2001-02-23 | 2004-09-01 | C.R.F. Società Consortile per Azioni | On-off valve for a gas injection system, particularly of methane, for internal combustion engines |
| DE10352287A1 (en) * | 2003-11-08 | 2005-06-09 | Robert Bosch Gmbh | Valve for control of gas supply to vehicle fuel cells or gas engine has tubular vibration damper downstream from valve seat plate which has radial apertures passing through tube walls |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
| CN202707327U (en) * | 2012-06-28 | 2013-01-30 | 石旻磊 | Novel gas jet nozzle and jet rail for installing same used for gas vehicle |
| CN104279106A (en) * | 2013-07-12 | 2015-01-14 | 德尔福技术有限公司 | Valve seat for gaseous fuel injector |
| CN105074188A (en) * | 2013-02-19 | 2015-11-18 | 罗伯特·博世有限公司 | Valve having an adjustable sealing element |
| CN105156234A (en) * | 2015-10-21 | 2015-12-16 | 中国船舶重工集团公司第七�三研究所 | Combination gas blending device for gaseous propellant engine |
| CN205350514U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | Spout solenoid valve for rail |
-
2016
- 2016-01-29 CN CN201610062411.2A patent/CN105485397B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1452718A1 (en) * | 2001-02-23 | 2004-09-01 | C.R.F. Società Consortile per Azioni | On-off valve for a gas injection system, particularly of methane, for internal combustion engines |
| DE10352287A1 (en) * | 2003-11-08 | 2005-06-09 | Robert Bosch Gmbh | Valve for control of gas supply to vehicle fuel cells or gas engine has tubular vibration damper downstream from valve seat plate which has radial apertures passing through tube walls |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
| CN202707327U (en) * | 2012-06-28 | 2013-01-30 | 石旻磊 | Novel gas jet nozzle and jet rail for installing same used for gas vehicle |
| CN105074188A (en) * | 2013-02-19 | 2015-11-18 | 罗伯特·博世有限公司 | Valve having an adjustable sealing element |
| CN104279106A (en) * | 2013-07-12 | 2015-01-14 | 德尔福技术有限公司 | Valve seat for gaseous fuel injector |
| CN105156234A (en) * | 2015-10-21 | 2015-12-16 | 中国船舶重工集团公司第七�三研究所 | Combination gas blending device for gaseous propellant engine |
| CN205350514U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | Spout solenoid valve for rail |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804891A (en) * | 2016-03-29 | 2016-07-27 | 成都科力夫科技有限公司 | Fuel gas jetting control method of double-fuel locomotive |
| CN110849629A (en) * | 2019-10-14 | 2020-02-28 | 中国北方发动机研究所(天津) | Adjustable nozzle of turbocharger test bed combustion chamber and combustion chamber |
| CN110953394A (en) * | 2019-10-14 | 2020-04-03 | 中国北方发动机研究所(天津) | Electromagnetic valve for nozzle of combustion chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105485397B (en) | 2018-12-21 |
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Effective date of registration: 20201104 Address after: 610000 1-6 / F, No.8, Nanbei Avenue, Chengzi Industrial Park, Yangma Town, Chengdu, Sichuan Province 610000 Patentee after: Sichuan Chengde Blue Sky Environmental Protection Technology Co., Ltd Address before: 610000, No. 1, No. 83, South Street, Xindu town, Xindu District, Sichuan, Chengdu Patentee before: CHENGDU DUJIA ELECTRICAL Co.,Ltd. |