CN208098775U - A kind of air storing type dust blower - Google Patents
A kind of air storing type dust blower Download PDFInfo
- Publication number
- CN208098775U CN208098775U CN201820067332.5U CN201820067332U CN208098775U CN 208098775 U CN208098775 U CN 208098775U CN 201820067332 U CN201820067332 U CN 201820067332U CN 208098775 U CN208098775 U CN 208098775U
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- air
- valve
- air accumulator
- outtake tube
- type dust
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Abstract
The utility model provides a kind of air storing type dust blower, it is related to new-energy automobile cleaning technique field, the air storing type dust blower includes air accumulator, admission gear, outtake tube and switching mechanism, compressed air is filled in air accumulator, one end of outtake tube is connect with air accumulator, the other end is provided with spout, and admission gear is connected to air accumulator, to be passed through compressed air to air accumulator.Switching mechanism includes valve and trigger, and valve is arranged on outtake tube, and trigger is fixedly connected on outtake tube and connect with valve, and valve can turn on or off outtake tube under the control of trigger.Compared to the prior art, a kind of air storing type dust blower provided by the utility model, it is easy to operate, new energy public transit vehicle can be carried out cleaning and cleaning effect it is good.
Description
Technical field
The utility model relates to new-energy automobile cleaning technique fields, in particular to a kind of air storing type dust blower.
Background technique
New energy public transit vehicle rapidly develops at present, and public transit vehicle pure electric vehicleization will be realized quickly.Pure electric bus
Maintenance work is more next more, in pure electric bus maintenance, need to clean entire car controller, battery within about seven days to ten days or so
Storehouse, the foreign matters such as dust, silt above the electrification in high voltage such as active force electricity position.
Common through type dust blower of the cleaning to be used when upper bit dust, silt when vehicle maintenance at present, because pipeline is long,
The small sky of caliber, atmospheric pressure is low, flow is few, and flow blows the stronger dust accumulation of motionless adhesive force and silt, too many position because of narrow space,
Route, which gathers, to use the tools such as rag to clear up.It is rinsed because being forbidden to use giant there are the reason of high-voltage electricity.It solves new
The above site anteseptic problem is technical staff's urgent problem in the maintenance of energy public transit vehicle.
In view of this, cleaning and the good storage of cleaning effect can be carried out to new energy public transit vehicle by designing and manufacturing one kind
Gas formula dust blower is just particularly important.
Utility model content
It is easy to operate, can be to new energy bus the purpose of this utility model is to provide a kind of air storing type dust blower
It carries out cleaning and cleaning effect is good.
The utility model is that it is realized by adopting the following technical scheme.
A kind of air storing type dust blower, including air accumulator, admission gear, outtake tube and switching mechanism are filled out in air accumulator
Filled with compressed air, one end of outtake tube is connect with air accumulator, and the other end is provided with spout, and admission gear is connected to gas storage
Tank, to be passed through compressed air to air accumulator；
Switching mechanism includes valve and trigger, and valve is arranged on outtake tube, and trigger is fixedly connected on out
Airway is simultaneously connect with valve, and valve can turn on or off outtake tube under the control of trigger.
Further, admission gear includes air inlet pipe and pressure regulator valve, and one end of air inlet pipe is connect with air accumulator, and the other end is used
In connection air pump, pressure regulator valve is arranged in air inlet pipe, for adjusting the compressed air for entering air accumulator.
Further, air storing type dust blower further includes spray head, and spray head is removably attachable to spout and connects with outtake tube
It is logical, for spraying compressed air.
Further, spray head is flat spray head, Conic nozzle or bending spray head.
Further, spout inner wall is provided with internal screw thread, and external screw thread, spray head and spout spiral shell are provided on the periphery wall of spray head
Line connection.
Further, valve is solenoid valve, and switching mechanism further includes battery, and solenoid valve is electrically connected by trigger and battery
It connects.
Further, air storing type dust blower further includes bracket, and one end of bracket is movably connected on air accumulator, is used to support storage
Gas tank, the other end of bracket are provided with a plurality of supporting leg, are provided with movable pulley on every supporting leg, for driving bracket mobile.
Further, switching mechanism further includes pressure tester, and pressure tester is arranged in outtake tube close to air accumulator
One end, for measuring the outlet pressure of outtake tube.
Further, safety valve is provided on air accumulator.
A kind of air storing type dust blower, including air accumulator, admission gear, outtake tube, switching mechanism and bracket, air accumulator
Interior to be filled with compressed air, one end of outtake tube is connect with air accumulator, and the other end is provided with spout, and admission gear is connected to storage
Gas tank, to be passed through compressed air to air accumulator.Bracket is connected to the one end of air accumulator far from outtake tube.Switching mechanism includes valve
Door and trigger, valve are arranged on outtake tube, and trigger is fixedly connected on outtake tube and connect with valve, valve
Outtake tube can be turned on or off under the control of trigger.
The utility model has the advantages that：
A kind of air storing type dust blower provided by the utility model is filled with compressed air in air accumulator, outtake tube
One end is connect with air accumulator, and the other end is provided with spout, and admission gear is connected to air accumulator, empty to be passed through compression to air accumulator
Gas.Switching mechanism includes valve and trigger, and valve is arranged on outtake tube, and trigger is fixedly connected on outtake tube
And connect with valve, valve can turn on or off outtake tube under the control of trigger.In actual use,
First passing through admission gear is passed through compressed air into air accumulator in advance, closes air inlet when the air in air accumulator reaches setting pressure
Mechanism is switched when needing to clean with hand cocking, and valve is opened, and a large amount of compressed airs pass through outtake tube by air accumulator
It is sprayed by spout and achievees the purpose that remove the stronger dust accumulation of adhesive force and silt, when air pressure drops to setting value in air accumulator
When, pressure regulator valve automatically opens admission gear and is inflated.Compared to the prior art, a kind of air storing type provided by the utility model is blown
Dirt rifle, it is easy to operate, new energy public transit vehicle can be carried out cleaning and cleaning effect it is good.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram at the first visual angle of the air storing type dust blower that the utility model first embodiment provides；
Fig. 2 is the structural schematic diagram at the second visual angle of the air storing type dust blower that the utility model first embodiment provides；
Fig. 3 is the attachment structure schematic diagram of spray head and spout in Fig. 1；
Fig. 4 is the structural schematic diagram of bracket in Fig. 1；
Fig. 5 is the structural schematic diagram for the air storing type dust blower that the utility model second embodiment provides.
Icon：100- air storing type dust blower；110- air accumulator；111- safety valve；130- admission gear；131- air inlet pipe；
133- pressure regulator valve；140- outtake tube；150- switching mechanism；151- valve；153- trigger；155- battery；160- spray head；
170- bracket；171- supporting leg；173- movable pulley；175- is flexibly connected head；180- pressure tester；190- bracket.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings or the utility model product
The orientation or positional relationship usually put when use, is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment stated can be combined with each other.
First embodiment
In conjunction with referring to Fig. 1 and Fig. 2, present embodiments providing a kind of air storing type dust blower 100, including air accumulator 110, air inlet
Mechanism 130, outtake tube 140, switching mechanism 150, spray head 160, bracket 170 and pressure tester 180, in air accumulator 110
Filled with compressed air, one end of outtake tube 140 is connect with air accumulator 110, and the other end is provided with spout, admission gear 130
It is connected to air accumulator 110, to be passed through compressed air to air accumulator 110.Switching mechanism 150 is arranged on outtake tube 140, is used for
Outtake tube 140 is turned on or off, spray head 160 is detachably connected on the spout of outtake tube 140, for changing outlet
Form improves cleaning efficiency.Bracket 170 is movably connected on air accumulator 110, for carrying air accumulator 110.Pressure tester 180
The junction of outtake tube 140 Yu air accumulator 110 is set, for measuring the injection pressure in outtake tube 140.
In the present embodiment, outtake tube 140 is plastic pipe, has insulation performance.Certainly, gas storage conduit can also be with herein
Using other kinds of outtake tubes 140 such as the steel pipes or compo pipe for being coated with insulated paint, it is not specifically limited herein.
Switching mechanism 150 includes valve 151 and trigger 153, and valve 151 is arranged on outtake tube 140, and trigger is opened
It closes 153 to be fixedly connected on outtake tube 140 and connect with valve 151, valve 151 can be beaten under the control of trigger 153
On or off closes outtake tube 140.Specifically, trigger 153 is arranged in the lower section of outtake tube 140 and close to air accumulator
110, facilitate and is pressed with hand.
In the present embodiment, valve 151 is solenoid valve, and switching mechanism 150 further includes battery 155, and solenoid valve passes through trigger
Switch 153 is electrically connected with battery 155.In use, by pressing trigger 153, so that solenoid valve is in open shape
State, the compressed air in air accumulator 110 spontaneously pour in outtake tube 140 under the action of inside and outside differential pressure and are sprayed by spout
Out, after injection, hand leaves trigger 153, so that solenoid valve is in close state, while examining according to pressure detector
The pressure information measured supplements compressed air into air accumulator 110, in case next time uses.
In other preferred embodiments of the utility model, valve 151 is operated pneumatic valve 151, and trigger 153 is pneumatic
Switch, can directly turn on or off operated pneumatic valve 151 by pressing the jettron, turn on or off outlet to realize
The purpose of conduit 140.
In the present embodiment, outtake tube 140 is arranged in close to one end of air accumulator 110, for surveying in pressure tester 180
Make the outlet pressure of airway 140.Specifically, pressure tester 180 is air gauge, convenient for users to observing air accumulator 110
Interior pressure.
Admission gear 130 includes air inlet pipe 131 and pressure regulator valve 133, and one end of air inlet pipe 131 is connect with air accumulator 110, separately
One end is arranged in air inlet pipe 131 for connecting air pump, pressure regulator valve 133, for adjusting the compressed air for entering air accumulator 110.
In the present embodiment, air inlet pipe 131 is plastic hose, tap changer is provided on pressure regulator valve 133, by pulling manually
Pressure regulator valve 133 can be turned on or off by moving the tap changer, and then adjust the air pressure in air accumulator 110.
In other preferred embodiments of the utility model, pressure regulator valve 133 by controller automatically control, the controller with
Pressure tester 180 is electrically connected, and controls the opening and closing of pressure regulator valve 133 by reading the pressure signal that pressure tester 180 acquires.
Specifically, gas storage pressure is preset in controller, when pressure is less than gas storage pressure in air accumulator 110, controller control is adjusted
Pressure valve 133 is opened, and air pump supplements compressed air into air accumulator 110 by air inlet pipe 131, when pressure reaches in air accumulator 110
When gas storage pressure, controller controls pressure regulator valve 133 and closes, so that pressure is constant in air accumulator 110.
In the present embodiment, it is additionally provided with safety valve 111 on air accumulator 110, specifically, the safety valve 111 setting is being stored up
The bottom of gas tank 110, to guarantee that 110 pressure of air accumulator is no more than the safety value of air accumulator 110.
In other preferred embodiments of the utility model, it is additionally provided with alarm on air accumulator 110, the alarm and pressure
Dynameter 180 is electrically connected, and alarm is preset with alarm pressure value, be greater than when the pressure value that pressure tester 180 is measured to or
When equal to alarm pressure value, alarm issues alarm signal, to remind user not to be re-filled with compressed air.It needs to illustrate
It is that alarm pressure value is greater than the normal gas storage pressure value of air accumulator 110 and is less than the limit pressure of safety valve 111 herein.
Referring to Fig. 3, spray head 160 is removably attachable to spout and is connected to outtake tube 140, empty for spraying compression
Gas.
In the present embodiment, spout inner wall is provided with internal screw thread, and external screw thread, spray head are provided on the periphery wall of spray head 160
160 are threadedly coupled with spout.Specifically, spout inner wall is provided with metal internal thread, facilitates connection spray head 160.
In the present embodiment, spray head 160 is flat spray head 160, and certainly, the shape of spray head 160 can also be taper herein
The shape of spray head 160 or bending spray head 160 etc., spray head 160 is not specifically limited herein.It should be noted that flat spray head
160 for blowing large area dust, and Conic nozzle 160 is for blowing the stronger silt of adhesive force, and bending spray head 160 is for blowing hiding portion
The dust of position, according to different needs replaceable spray head of different shapes 160.
Referring to fig. 4, one end of bracket 170 is movably connected on air accumulator 110, is used to support air accumulator 110, bracket 170
The other end is provided with a plurality of supporting leg 171, is provided with movable pulley 173 on every supporting leg 171, for driving bracket 170 mobile.
In the present embodiment, bracket 170 is provided with close to one end of air accumulator 110 and is flexibly connected head 175, the flexible connection
First 175 are rotatably assorted with bracket 170, while the intermediate position of the flexible connection head 175 is provided with turntable, which can live relatively
Dynamic connector 175 is rotated and is connect with the bottom of air accumulator 110, and the opposite rotation direction and work for being flexibly connected head 175 of turntable
The rotation direction of the opposite bracket 170 of dynamic connector 175 is perpendicular, so that air accumulator 110 can be with respect to bracket 170 in level
Any rotation in 360 degree of direction, while in vertical direction 180 degree any angle pitch rotation.
In the present embodiment, bracket 170 is tripod, and supporting leg 171 is three, and angle is 60 degree to three supporting legs 171 two-by-two,
Every supporting leg 171 is flared out and is connected with universal wheel in end, can drive entire air storing type drifting dust by pushing bracket 170
Rifle 100 is mobile, facilitates carry out transition.
In conclusion a kind of air storing type dust blower 100 provided in this embodiment, stores compressed air in cylinder,
One end of air accumulator 110 is connected with outtake tube 140, and the end of outtake tube 140 is provided with spout, by spray head 160 and spout
It is threadedly coupled, it is easy to disassemble, while spray head 160 can be replaced into spray head 160 of different shapes.Upper in outtake tube 140 is also pacified
Equipped with solenoid valve, solenoid valve is connect by operating switch with battery 155, when needing to clean, by pressing trigger 153,
So that solenoid valve is in the open state, the compressed air in air accumulator 110 spontaneously pours in outlet under the action of inside and outside differential pressure
Conduit 140 is simultaneously sprayed by spout, and after injection, hand leaves trigger 153, so that solenoid valve is in close state,
The pressure information detected simultaneously according to pressure detector supplements compressed air into air accumulator 110, in case next time uses.It is storing up
The other end of gas tank 110 is connected with air inlet pipe 131 and pressure regulator valve 133, air inflow is adjusted by pressure regulator valve 133, to adjust storage
Air pressure in gas tank 110.Compared to the prior art, a kind of air storing type drifting dust provided in this embodiment, it is easy to operate, can be to new
Energy public transit vehicle carries out cleaning and cleaning effect is good.
Second embodiment
Present embodiments provide a kind of air storing type dust blower 100, basic structure and principle and the technical effect of generation and
First embodiment is identical, and to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in first embodiment.
Fig. 5 is participated in, air storing type dust blower 100 includes air accumulator 110, admission gear 130, outtake tube 140, switching mechanism
150 and bracket 190, compressed air is filled in air accumulator 110, and one end of outtake tube 140 is connect with air accumulator 110, separately
One end is provided with spout, and admission gear 130 is connected to air accumulator 110, to be passed through compressed air to air accumulator 110.Bracket 190 connects
It is connected to the one end of air accumulator 110 far from outtake tube 140.Switching mechanism 150 includes valve 151 and trigger 153, valve
151 are arranged on outtake tube 140, and trigger 153 is fixedly connected on outtake tube 140 and connect with valve 151, valve
151 can turn on or off outtake tube 140 under the control of trigger 153.
In the present embodiment, bracket 190 is triangular in shape and has support division, in use, the support division of bracket 190
The shoulder in user or leg are supported, bring when compressed air sprays outtake tube 140 when use can be greatly reduced
Recoil avoids the air storing type dust blower 100 substantially vibration.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of air storing type dust blower, which is characterized in that including air accumulator, admission gear, outtake tube and switching mechanism, institute
It states filled with compressed air in air accumulator, one end of the outtake tube is connect with the air accumulator, and the other end is provided with spout,
The admission gear is connected to the air accumulator, to be passed through the compressed air to the air accumulator；
The switching mechanism includes valve and trigger, and the valve is arranged on the outtake tube, the trigger
It is fixedly connected on the outtake tube and is connect with the valve, the valve can be opened under the control of the trigger
Or close the outtake tube.
2. air storing type dust blower according to claim 1, which is characterized in that the admission gear includes air inlet pipe and pressure regulation
One end of valve, the air inlet pipe is connect with air accumulator, and the other end is arranged for connecting air pump, the pressure regulator valve in the air inlet pipe
On, for adjusting the compressed air into the air accumulator.
3. air storing type dust blower according to claim 1, which is characterized in that the air storing type dust blower further includes spray head,
The spray head is removably attachable to the spout and is connected to the outtake tube, for spraying the compressed air.
4. air storing type dust blower according to claim 3, which is characterized in that the spray head is flat spray head, Conic nozzle
Or bending spray head.
5. air storing type dust blower according to claim 3, which is characterized in that the spout inner wall is provided with internal screw thread, institute
It states and is provided with external screw thread on the periphery wall of spray head, the spray head is threadedly coupled with the spout.
6. air storing type dust blower according to claim 1, which is characterized in that the valve is solenoid valve, the switching on and shutting down
Structure further includes battery, and the solenoid valve is electrically connected by the trigger with the battery.
7. air storing type dust blower according to claim 1, which is characterized in that the air storing type dust blower further includes bracket,
One end of the bracket is movably connected on the air accumulator, is used to support the air accumulator, and the other end of the bracket is provided with
A plurality of supporting leg is provided with movable pulley on every supporting leg, for driving the bracket mobile.
8. air storing type dust blower according to claim 1, which is characterized in that the switching mechanism further includes piezometry
The outtake tube is arranged in close to one end of the air accumulator, for measuring the outtake tube in device, the pressure tester
Outlet pressure.
9. air storing type dust blower according to claim 1, which is characterized in that be provided with safety valve on the air accumulator.
10. a kind of air storing type dust blower, which is characterized in that including air accumulator, admission gear, outtake tube, switching mechanism and
Bracket, the air accumulator is interior to be filled with compressed air, and one end of the outtake tube is connect with the air accumulator, other end setting
There is spout, the admission gear is connected to the air accumulator, to be passed through the compressed air to the air accumulator；The bracket connects
It is connected to the one end of the air accumulator far from the outtake tube；
The switching mechanism includes valve and trigger, and the valve is arranged on the outtake tube, the trigger
It is fixedly connected on the outtake tube and is connect with the valve, the valve can be opened under the control of the trigger
Or close the outtake tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067332.5U CN208098775U (en) | 2018-01-16 | 2018-01-16 | A kind of air storing type dust blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067332.5U CN208098775U (en) | 2018-01-16 | 2018-01-16 | A kind of air storing type dust blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208098775U true CN208098775U (en) | 2018-11-16 |
Family
ID=64129269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067332.5U Expired - Fee Related CN208098775U (en) | 2018-01-16 | 2018-01-16 | A kind of air storing type dust blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208098775U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681646A (en) * | 2019-10-29 | 2020-01-14 | 国网黑龙江省电力有限公司电力科学研究院 | Cleaning tool and cleaning method for Winchester hard disk |
| CN110904766A (en) * | 2019-12-11 | 2020-03-24 | 刘浩 | Automatic road surface cleaning device |
| CN112577304A (en) * | 2020-12-02 | 2021-03-30 | 浙江驿公里智能科技有限公司 | Air outlet |
| CN113617749A (en) * | 2021-10-11 | 2021-11-09 | 成都飞机工业（集团）有限责任公司 | Movable inflation chip removing device and chip removing method |
| CN113909215A (en) * | 2021-02-24 | 2022-01-11 | 中铁第四勘察设计院集团有限公司 | Intelligent flexible manipulator device that railcar vehicle bottom sweeps |
| CN114850129A (en) * | 2022-03-24 | 2022-08-05 | 神华准格尔能源有限责任公司 | Thermal instrument dust collector of power plant |
-
2018
- 2018-01-16 CN CN201820067332.5U patent/CN208098775U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681646A (en) * | 2019-10-29 | 2020-01-14 | 国网黑龙江省电力有限公司电力科学研究院 | Cleaning tool and cleaning method for Winchester hard disk |
| CN110904766A (en) * | 2019-12-11 | 2020-03-24 | 刘浩 | Automatic road surface cleaning device |
| CN110904766B (en) * | 2019-12-11 | 2020-10-30 | 泉州市顺通高速公路养护工程有限公司 | Automatic road surface cleaning device |
| CN112577304A (en) * | 2020-12-02 | 2021-03-30 | 浙江驿公里智能科技有限公司 | Air outlet |
| CN112577304B (en) * | 2020-12-02 | 2022-05-03 | 浙江驿公里智能科技有限公司 | Air outlet |
| CN113909215A (en) * | 2021-02-24 | 2022-01-11 | 中铁第四勘察设计院集团有限公司 | Intelligent flexible manipulator device that railcar vehicle bottom sweeps |
| CN113617749A (en) * | 2021-10-11 | 2021-11-09 | 成都飞机工业（集团）有限责任公司 | Movable inflation chip removing device and chip removing method |
| CN114850129A (en) * | 2022-03-24 | 2022-08-05 | 神华准格尔能源有限责任公司 | Thermal instrument dust collector of power plant |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20181116 Termination date: 20210116 |