CN207095622U - Plunger type resistance orifice plate - Google Patents
Plunger type resistance orifice plate Download PDFInfo
- Publication number
- CN207095622U CN207095622U CN201720787091.7U CN201720787091U CN207095622U CN 207095622 U CN207095622 U CN 207095622U CN 201720787091 U CN201720787091 U CN 201720787091U CN 207095622 U CN207095622 U CN 207095622U
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- CN
- China
- Prior art keywords
- orifice plate
- pod apertures
- plunger
- type resistance
- outlet
- 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 - Fee Related
Links
- 230000035876 healing Effects 0.000 claims abstract description 22
- 230000013011 mating Effects 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims description 44
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model discloses plunger type resistance orifice plate, is related to resistance orifice plate field.The utility model provides a kind of plunger type resistance orifice plate, including orifice plate housing, pad and plunger orifice plate, and orifice plate housing is provided with medium entrance, media outlet and orifice plate with healing up.Plunger orifice plate is by pad and orifice plate with sealed connection of healing up, side of the plunger orifice plate away from pad is provided with multiple the first pod apertures extended in a first direction and the second pod apertures extended in a second direction, first pod apertures connect with the second pod apertures, first pod apertures connect with orifice plate mating holes, and the second pod apertures connect with media outlet.Plunger type resistance AND DEWATERING FOR ORIFICE STRUCTURE provided by the utility model is simple, easy to use and use range is wide.Meanwhile limitedly rate-of flow can be depressured for it and current limliting.
Description
Technical field
Resistance orifice plate field is the utility model is related to, in particular to plunger type resistance orifice plate.
Background technology
Throttling arrangement is that a kind of stream device in pipeline is flowed through in the fluid full of pipeline, and a fluid stream will form office at throttling
Portion is shunk, so that flow velocity increases, static pressure reduces, and poor (or the throttle type stream of static pressure is then generated before and after throttling element
Gauge).
Restriction flowmeter is a kind of typical differential pressure flowmeter, is to be used for measuring gas, liquid in current industrial production
The most frequently used a kind of flow instrument of body and vapor flow rate.Count according to investigations, in the industrial production systems such as steel mill, oil plant
Used flow is restriction flowmeter in respect of (70-80) % or so.In whole field of industrial production, restriction flowmeter
Also more than half of flow instrument sum is accounted for.
Existing throttling arrangement can not be effectively to rate-of flow decompression and current limliting.
Utility model content
The purpose of this utility model is to provide a kind of plunger type resistance orifice plate, and its is simple in construction, easy to use and uses
Scope is wide.Meanwhile limitedly rate-of flow can be depressured for it and current limliting.
The utility model provides a kind of technical scheme：
A kind of plunger type resistance orifice plate, including orifice plate housing, pad and plunger orifice plate, orifice plate housing are provided with medium and entered
Mouth, media outlet and orifice plate are with healing up, and medium entrance connects with orifice plate with side wall of healing up, and media outlet matches somebody with somebody the bottom to heal up with orifice plate
Portion connects, and medium entrance extends in a first direction, and orifice plate extends in a second direction with healing up with media outlet, first direction
It is mutually perpendicular to second direction.Plunger orifice plate by pad and orifice plate with sealed connection of healing up, plunger orifice plate away from pad one
Side is provided with multiple the first pod apertures extended in a first direction and the second pod apertures extended in a second direction, the first pod apertures
Connected with the second pod apertures, the first pod apertures connect with orifice plate mating holes, and the second pod apertures connect with media outlet.
Further, above-mentioned medium entrance includes interconnected the first import and the second import, the second import and orifice plate
Mating holes connects, and the aperture of the first import is more than the aperture of the second import.
Further, the cross sectional shape of above-mentioned second import is truncated cone-shaped, and big end and the first inlet communication of truncated cone-shaped are round
The small end of platform shape connects with orifice plate mating holes.
Further, above-mentioned media outlet includes interconnected first outlet and second outlet, the second import and orifice plate
Mating holes connects, and the aperture of first outlet is more than the aperture of second outlet.
Further, above-mentioned plunger orifice plate includes connecting portion and through-flow portion, and connecting portion is fixedly connected with through-flow portion, through-flow portion
On be provided with the first pod apertures and the second pod apertures, connecting portion is connected with orifice plate mating holes, by plunger orifice plate and orifice plate housing
Link together.
Further, above-mentioned connecting portion is provided with depressed part and external screw thread.Depressed part coordinates with pad, and pad is fastened in
In depressed part.Orifice plate mating holes is provided with the internal thread coordinated with external screw thread, and connecting portion is connected with orifice plate mating holes.
Further, above-mentioned connecting portion and the stepped setting in through-flow portion, and the cross-sectional width of connecting portion is more than through-flow portion
Cross-sectional width.
Further, the center of above-mentioned second pod apertures is consistent with the center in plunger orifice plate section.
Further, the aperture of above-mentioned second pod apertures is more than the aperture of the first pod apertures.
Compared with prior art, the beneficial effect of plunger type resistance orifice plate provided by the utility model is：
Medium enters orifice plate with healing up by medium entrance, and separately flows into multiple first water conservancy diversion on plunger orifice plate
Hole；Second pod apertures connect with the first pod apertures, and the medium for entering the first pod apertures enters the second pod apertures；Second pod apertures
Connected with media outlet, medium enters media outlet therewith, and enters in downstream.Plunger type provided by the utility model
Resistance AND DEWATERING FOR ORIFICE STRUCTURE is simple, easy to use and use range is wide.Meanwhile it limitedly can be depressured and be limited to rate-of flow
Stream.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as.For those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the plunger type resistance orifice plate that first embodiment of the present utility model provides；
Fig. 2 is the cross section structure schematic diagram for the orifice plate housing that first embodiment of the present utility model provides；
Fig. 3 is the structural representation for the plunger orifice plate that first embodiment of the present utility model provides；
Fig. 4 is the cross section structure signal of the first pod apertures that first embodiment of the present utility model provides and the second pod apertures
Figure.
Icon：100- plunger type resistance orifice plates；110- orifice plate housings；111- medium entrances；The imports of 1111- first；1112-
Second import；112- media outlets；1121- first outlets；1122- second outlets；113- orifice plates, which are matched somebody with somebody, to heal up；1131- internal threads；
120- pads；130- plunger orifice plates；131- connecting portions；1311- depressed parts；1312- external screw threads；132- is through-flow portion；1321- first
Pod apertures；The pod apertures of 1322- second.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In description of the present utility model, it is to be understood that term " on ", " interior ", the orientation or position of the instruction such as " outer "
Put relation be based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation usually put
Or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, it is for only for ease of and describes this reality
With new and simplify description, rather than instruction or imply that signified equipment or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In description of the present utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or one
Ground connects；Can be mechanical connection or electrical connection；Can be directly connected to, can also by between intermediary in succession
Connect, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be
Concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail.
Embodiment
Referring to Fig. 1, present embodiments providing a kind of plunger type resistance orifice plate 100, its is simple in construction, easy to use and makes
It is wide with scope.Meanwhile limitedly rate-of flow can be depressured for it and current limliting.
The plunger type resistance orifice plate 100 that the present embodiment provides includes orifice plate housing 110, pad 120 and plunger orifice plate 130,
Plunger orifice plate 130 is tightly connected by pad 120 and orifice plate housing 110.
Referring to Fig. 2, orifice plate housing 110 is provided with medium entrance 111, media outlet 112 and orifice plate with healing up 113, it is situated between
Matter import 111 and orifice plate connects with 113 side walls of healing up, and media outlet 112 and orifice plate connect with 113 bottom of healing up, and medium
Import 111 extends in a first direction, and orifice plate 113 extends in a second direction with healing up with media outlet 112, first direction and the
Two directions are mutually perpendicular to.
It is appreciated that medium enters from medium entrance 111, flowed out from media outlet 112.That is medium passes through this reality
The medium that eye first direction flows is transformed to Jie flowed in a second direction by the plunger type resistance orifice plate 100 for applying example offer
Matter.
It is appreciated that the plunger type resistance orifice plate 100 that the present embodiment provides, in usual place, first direction is level side
To second direction is vertical direction.At work, medium enters plunger type resistance orifice plate 100 in the first direction, then by second party
To outflow.When second direction is vertical direction, medium can flow out under the booster action of gravity from media outlet 112.
The medium entrance 111 that the present embodiment provides includes interconnected the first import 1111 and the second import 1112, the
Two imports 1112 and orifice plate 113 connect with healing up.
In the present embodiment, the aperture of the first import 1111 is more than the aperture of the second import 1112.Certainly, it is not limited in
This, in other embodiment of the present utility model, also may be used between the aperture of the aperture of the first import 1111 and the second import 1112
To be other relations, for example the aperture of the first import 1111 is less than aperture of the second import 1112 etc..
The media outlet 112 that the present embodiment provides includes interconnected first outlet 1121 and second outlet 1122, the
Two imports 1112 and orifice plate 113 connect with healing up.
In the present embodiment, the aperture of first outlet 1121 is more than the aperture of second outlet 1122.Certainly, it is not limited in
This, in other embodiment of the present utility model, the aperture of first outlet 1121 can also be with the aperture of second outlet 1122
Other relations, for example, first outlet 1121 aperture be less than second outlet 1122 aperture.
In the present embodiment, section of the first import 1111, the second import 1112, first outlet 1121 and second outlet 1122
Face is circle.Certainly, it is not limited to that, in other embodiment of the present utility model, the first import 1111, the second import
1112nd, first outlet 1121 and second outlet 1122 can also be other cross sectional shapes, such as ellipse etc..
It is appreciated that in other embodiment of the present utility model, the first import 1111 and the second import 1112 can also
It is not cylinder, for example the cross sectional shape of the second import 1112 is truncated cone-shaped.
Alternatively, the big end of truncated cone-shaped connects with the first import 1111, and small end and the orifice plate of truncated cone-shaped match somebody with somebody 113 companies of healing up
It is logical.Equally, be will not be repeated here for media outlet 112 there is also analogue.
It is to be appreciated that between the first import 1111 and the second import 1112, first outlet 1121 and second outlet 1122
Cross sectional shape is separate, that is to say, that when the cross sectional shape of the first import 1111 and the second import 1112 is circular,
The section of first outlet 1121 and second outlet 1122 can be other arbitrary shapes.
In the present embodiment, the first import 1111 is equal with the aperture of first outlet 1121, second outlet 1122 and second
The aperture of import 1112 is equal.
Certainly, it is not limited to that, in other embodiment of the present utility model, the first import 1111 and first outlet
1121 pore size can also be other relations, for example the first import 1111 is equal to first outlet 1121；Second import
1112 are equal to second outlet 1122 etc..
It is appreciated that orifice plate match somebody with somebody heal up 113 pore size both can be more than medium entrance 111 and media outlet 112 in
The aperture of any one, the aperture of any one in medium entrance 111 and media outlet 112 can also be equal to, can also be more than
The aperture of any one in medium entrance 111 and media outlet 112.
In the present embodiment, orifice plate, which matches somebody with somebody 113 pore size of healing up, can both be more than medium entrance 111 and media outlet
The aperture of any one in 112.
Certainly, be not limited to that, in other embodiment of the present utility model, orifice plate match somebody with somebody heal up 113 pore size
Can also be other above-mentioned relations etc. with the aperture of medium entrance 111 and media outlet 112.
In the present embodiment, pad 120 is graphite bed course.Certainly, it is not limited to that, in other realities of the present utility model
Apply in example, pad 120 can also be other structures, such as rubber spacer etc..
Referring to Fig. 3, plunger orifice plate 130 includes connecting portion 131 and through-flow portion 132, connecting portion 131 is solid with through-flow portion 132
It is fixed to connect, the first pod apertures 1321 and the second pod apertures 1322 are provided with through-flow portion 132, connecting portion 131 is matched somebody with somebody with orifice plate to heal up
113 connections, plunger orifice plate 130 and orifice plate housing 110 are linked together.
Referring to Fig. 4, the first pod apertures 1321 extend in a first direction, the second pod apertures 1322 extend in a second direction,
First pod apertures 1321 connect with the second pod apertures 1322.
In the present embodiment, the quantity of the first pod apertures 1321 is multiple, and multiple first pod apertures 1321 are along through-flow portion 132
It is evenly spaced apart to set.The center of second pod apertures 1322 is consistent with the center in the section of plunger orifice plate 130.
In the present embodiment, the aperture of the second pod apertures 1322 is more than the aperture of the first pod apertures 1321, to increase stream
Amount, makes medium flow out more quickly.
It is appreciated that medium enters plunger orifice plate 130 by medium entrance 111, and respectively enter multiple first water conservancy diversion
Hole 1321, the first pod apertures 1321 play the role of buffering.Meanwhile second pod apertures 1322 connected with the first pod apertures 1321, enter
The medium for entering the first pod apertures 1321 enters the second pod apertures 1322, and enters media outlet 112 therewith.
Please continue to refer to Fig. 3, the connecting portion 131 that the present embodiment provides is provided with depressed part 1311 and external screw thread 1312.Depression
Portion 1311 coordinates with pad 120, and pad 120 is fastened in depressed part 1311.Orifice plate 113 is provided with and external screw thread with healing up
1312 internal threads 1131 coordinated, connecting portion 131 and orifice plate are matched somebody with somebody to heal up 113 are connected.
In the present embodiment, plunger orifice plate 130 113 is connected by screw thread and orifice plate with healing up.Certainly, it is not limited to that,
In other embodiment of the present utility model, plunger orifice plate 130 and orifice plate 113 can also be connected in other manners with healing up,
Such as welding etc..
In the present embodiment, connecting portion 131 and through-flow 132 stepped setting of portion, and the cross-sectional width of connecting portion 131 is big
Cross-sectional width in through-flow portion 132.Certainly, it is not limited to that, in other embodiment of the present utility model, connecting portion 131
The cross-sectional width in cross-sectional width and through-flow portion 132 can also be other relations, for example the cross-sectional width of connecting portion 131 is equal to
The cross-sectional width in through-flow portion 132.
The beneficial effect for the plunger type resistance orifice plate 100 that this implementation provides：Medium enters orifice plate by medium entrance 111
With healing up 113, and separately flow into multiple first pod apertures 1321 on plunger orifice plate 130；Second pod apertures 1322 are led with first
Discharge orifice 1321 connects, and the medium for entering the first pod apertures 1321 enters the second pod apertures 1322；Second pod apertures 1322 are with being situated between
The connection of matter outlet 112, medium enters media outlet 112 therewith, and enters in downstream.The plunger type resistance that this implementation provides
Power orifice plate 100 is simple in construction, easy to use and use range is wide.Meanwhile it limitedly can be depressured and be limited to rate-of flow
Stream.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (9)
- A kind of 1. plunger type resistance orifice plate, it is characterised in that including orifice plate housing, pad and plunger orifice plate, the orifice plate housing Medium entrance, media outlet and orifice plate are provided with healing up, the medium entrance connects with the orifice plate with side wall of healing up, described Media outlet is matched somebody with somebody the bottom to heal up with the orifice plate and connected, and the medium entrance extends in a first direction, and the orifice plate coordinates Mouth extends in a second direction with the media outlet, and the first direction is mutually perpendicular to the second direction；The plunger orifice plate is by the pad and the orifice plate with sealed connection of healing up, and the plunger orifice plate is away from the pad Side be provided with it is multiple along the first direction extension the first pod apertures and along the second direction extend the second water conservancy diversion Hole, first pod apertures connect with second pod apertures, and first pod apertures connect with the orifice plate mating holes, described Second pod apertures connect with the media outlet.
- 2. plunger type resistance orifice plate according to claim 1, it is characterised in that the medium entrance includes what is be interconnected First import and the second import, second import connect with the orifice plate mating holes, and the aperture of first import is more than The aperture of second import.
- 3. plunger type resistance orifice plate according to claim 2, it is characterised in that the cross sectional shape of second import is circle Platform shape, the big end of the truncated cone-shaped and first inlet communication, the small end of the truncated cone-shaped connect with the orifice plate mating holes.
- 4. plunger type resistance orifice plate according to claim 1, it is characterised in that the media outlet includes what is be interconnected First outlet and second outlet, the second outlet connects with the orifice plate mating holes, and the aperture of the first outlet is more than The aperture of the second outlet.
- 5. plunger type resistance orifice plate according to claim 1, it is characterised in that the plunger orifice plate includes connecting portion and led to Stream portion, the connecting portion are fixedly connected with the through-flow portion, and first pod apertures and described are provided with the through-flow portion Two pod apertures, the connecting portion are connected with the orifice plate mating holes, the plunger orifice plate and the orifice plate housing are connected to Together.
- 6. plunger type resistance orifice plate according to claim 5, it is characterised in that the connecting portion is provided with depressed part and outer spiral shell Line；The depressed part coordinates with the pad, and the pad is fastened in the depressed part；The orifice plate mating holes is provided with the internal thread coordinated with the external screw thread, by the connecting portion and the orifice plate mating holes Connection.
- 7. plunger type resistance orifice plate according to claim 5, it is characterised in that the connecting portion and the through-flow portion are in rank Scalariform is set, and the cross-sectional width of the connecting portion is more than the cross-sectional width in the through-flow portion.
- 8. plunger type resistance orifice plate according to claim 1, it is characterised in that the center of second pod apertures with it is described The center in plunger orifice plate section is consistent.
- 9. the plunger type resistance orifice plate according to any one in claim 1-8, it is characterised in that second pod apertures Aperture be more than first pod apertures aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787091.7U CN207095622U (en) | 2017-06-30 | 2017-06-30 | Plunger type resistance orifice plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787091.7U CN207095622U (en) | 2017-06-30 | 2017-06-30 | Plunger type resistance orifice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207095622U true CN207095622U (en) | 2018-03-13 |
Family
ID=61555064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720787091.7U Expired - Fee Related CN207095622U (en) | 2017-06-30 | 2017-06-30 | Plunger type resistance orifice plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207095622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720648A (en) * | 2020-05-14 | 2020-09-29 | 江阴市节流装置厂有限公司 | Plunger type pore plate |
-
2017
- 2017-06-30 CN CN201720787091.7U patent/CN207095622U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720648A (en) * | 2020-05-14 | 2020-09-29 | 江阴市节流装置厂有限公司 | Plunger type pore plate |
| CN111720648B (en) * | 2020-05-14 | 2022-08-19 | 江阴市节流装置厂有限公司 | Plunger type pore plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221018 Address after: No. 361-363, Nancheng Road, Longgang Town, Cangnan County, Wenzhou City, Zhejiang Province (Chengdong Industrial Zone) Patentee after: CANGNAN AUTOMATION METER FACTORY Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: 325802 Chengdong Industrial Zone, Longgang Town, Cangnan County, Wenzhou City, Zhejiang Province Patentee before: CANGNAN AUTOMATION METER FACTORY Patentee before: STATE NUCLEAR POWER ENGINEERING Co. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 361-363, Nancheng Road, Longgang Town, Cangnan County, Wenzhou City, Zhejiang Province (Chengdong Industrial Zone) Patentee after: CANGNAN AUTOMATION METER FACTORY Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 361-363, Nancheng Road, Longgang Town, Cangnan County, Wenzhou City, Zhejiang Province (Chengdong Industrial Zone) Patentee before: CANGNAN AUTOMATION METER FACTORY Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |