CN106643948A - Gas meter - Google Patents
Gas meter Download PDFInfo
- Publication number
- CN106643948A CN106643948A CN201710113417.2A CN201710113417A CN106643948A CN 106643948 A CN106643948 A CN 106643948A CN 201710113417 A CN201710113417 A CN 201710113417A CN 106643948 A CN106643948 A CN 106643948A
- Authority
- CN
- China
- Prior art keywords
- gas meter
- sliding cover
- core body
- slip lid
- meter according
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 244000309464 bull Species 0.000 claims description 16
- 208000002925 dental caries Diseases 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 239000008384 inner phase Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 210000000515 tooth Anatomy 0.000 description 9
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 229920001342 Bakelite® Polymers 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000004637 bakelite Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Abstract
The invention discloses a gas meter which solves the problem that in an existing meter, the movement sensitivity of sliding covers is poor is solved. The structure comprises a movement body, two air cavities which are separated from each other are formed in the movement body and communicate with two openings formed in the upper end of the movement body respectively, valves are arranged in the air cavities and connected with the inner ends of toggles inserted into the movement body, the outer ends of the toggles stretch out of the outer side of the movement body, and swing heads are fixed to the outer ends of the toggles; two sliding covers are arranged at the upper end of the movement body, the swing heads on the toggles are connected to a main gear arranged at the upper end of the movement body in an eccentric mode through connecting rods, a support is arranged at the upper end of the movement body and provided with two driven gears meshed with the main gear, the driven gears are movably connected with the sliding covers and push the sliding covers to be used for alternatively covering openings of the two air cavities respectively or being alternatively disengaged from the openings of the two air cavities, a cross rod is arranged on the support, and the sliding covers are connected to the cross rod in a spaced and sleeving mode.
Description
Technical field
The present invention relates to a kind of gas meter for being measured to gas flow.
Background technology
Chinese invention patent application（Application number：201510662805.7）In disclose a kind of gas flow meter, solve
The relatively poor problem of existing gas flow meter metering sensitivity, the technical measures taken：A kind of gas flow meter, including machine
Core body, is provided with two air cavitys spaced apart from each other in movement body, and two air cavitys are opened on core body upper end, lobe is provided with air cavity
Film, valve is connected with the inner for the toggle being plugged in movement body, and the outer end of toggle reaches the outside of core body, toggle
Outer end be fixed with yaw, it is characterised in that be provided with two slip lids on the upper end of core body, the yaw on two toggles point
It is not connected with two slip lids, under the drive of yaw, two slip lids are used to alternately cover the opening of two air cavitys respectively, or with
The opening of two air cavitys is alternately disengaged；Yaw is split-type structural, including body and the secondary head that can be changed, the connection on secondary head
Junctor is used for and slip lid driving coupling, and there is deviation the position of the connected body on different pair heads, using the position of connected body on secondary head
Deviation is making up the driving error between yaw and slip lid.
Slip lid in this gas flow meter in the course of the work, carries out stirring cunning generally by the reversed column on gear
Dynamic, gear is due to circumferentially rotating, and slip lid requires it is linear motion, reversed column when stirring slip lid and moving, the stress of slip lid
Complexity, and slip lid sheet is controlled limited on core body, slip lid causes slip lid easily to the direction of motion lateral offset for needing
Motion clamping stagnation, this is unfavorable for the accurate metering to gas.
The content of the invention
The technical problem to be solved in the invention is：A kind of gas meter is provided, the slip lid motion in the gauge table is accurate
Really property is good, contributes to the accurate measurement to gas flow.
To solve the technical problem, the technical solution used in the present invention：A kind of gas meter, including core body,
Two air cavitys spaced apart from each other are provided with movement body, two air cavitys are communicated respectively with two openings of core body upper end, air cavity
Valve is inside provided with, valve is connected with the inner for the toggle being plugged in movement body, and the outer end of toggle reaches core body
Outside, the outer end of toggle is fixed with yaw, and two slip lids are provided with the upper end of core body, and the yaw on two toggles passes through
Connecting rod is prejudicially connected on the master gear of core body upper end, and core body upper end is provided with support, be respectively equipped with support two with
The driven gear of master gear engagement, driven gear is actively coupled with two slip lids, and under the drive of toggle, two driven gears are pushed away
Dynamic two slip lids are used to alternately cover the opening of two air cavitys respectively, or replace disengagement with the opening of two air cavitys, and its feature exists
In, cross bar is provided with support, slip lid is socketed in gap on cross bar.It is higher that the making material of slip lid generally comprises wearability
Hard material, such as bakelite or hard alloy plastics, by promotion of the driven gear to slip lid, and in the restriction effect of cross bar
Under, slip lid is along being correctly oriented slip.Slip lid under the supporting role of cross bar, before ensureing that the existing effect of split cause for gossip is blocked
Put, slip lid is suspended at opening, without being pressed at opening under the Action of Gravity Field of slip lid, slip lid is in moving process
Frictional force at suffered opening can be with very little.
Further, support is in cover shape, and the foot of support is provided with the pin for being connected to core body upper end, and cross bar bridge joint exists
In support.The internal stent of cover shape defines installing space, for the installation and the motion of slip lid of driven gear so that core body
The structural compactness of upper end is good, is easy to slip lid stably to move.
Further, slip lid includes sliding cover and the slide plate being connected in sliding cover, and slide plate and sliding cover are made up of dissimilar materials, quilt
Moving gear and sliding cover driving coupling.The making material of slide plate is usually the higher hard bakelite of wearability or hard alloy plastics,
And the making material of sliding cover is usually common easy-formation plastics.Slip lid is split type structure, will in the use for ensureing slip lid
After asking, it is also easy to be formed on slip lid the structure being engaged with cross bar so that slip lid can be well adapted for the suspension of itself will
Ask.
Further, the opposite sides on slide plate is provided with chuck, integrally formed with the card being connected in chuck on sliding cover
Pin.By the cooperation of card base and chuck, the stable molding assembly of slip lid can be rapidly realized.
Further, slide plate towards on the surface of sliding cover integrally formed with least one pair of spacing convex body, the two of a centering
Individual spacing convex body point is listed in the opposite sides of slide plate, and spacing convex body is plugged in the limited mouth formed on sliding cover wall body.Pass through
Spacing convex body is set and limited mouth is coordinated, be easy to the quick assembling of sliding cover and slide plate in place, sliding cover is with slide plate between the two
Rigging position Stability and veracity ensure that.
Further, it is socketed on cross bar integrally formed with coupling sleeve, coupling sleeve on the upper wall body of sliding cover, on sliding cover upper surface
Integrally formed with a pair of plates, connection slot is formed between plate, on driven gear lower surface between integrally formed reversed column
Unoccupied place is plugged in connection slot；Plate and coupling sleeve intersect vertically setting.By arrange coupling sleeve, and facilitate implementation slip lid with
Cross bar is actively coupled so that positional stability of the slip lid on cross bar be good.
Further, the upper wall body of sliding cover is curved, and protuberance is formed with slide plate, swells outer surface with the upper wall body of sliding cover
Inner surface is fitted, and swells outer surface and the groove passed through for the cross bar is formed with the connection groove location.It is grand by arranging
Rise and the upper wall body of sliding cover is curved, sliding cover can be effectively improved and couple fastness between slide plate.And in the appearance of protuberance
Form fluted on face, also cause the integral thickness of slip lid little, be easy to slip lid stable motion in support.
Further, also including metering device, metering device includes bull stick, and bull stick is provided with end towards the end of master gear
Wheel, the outer face for holding wheel is provided with end tooth, end tooth and master gear driving coupling, and the other end connection of bull stick has output wheel.It is this
The structural compactness of metering device is good, is easy to metering device stably to receive the power of master gear so that the flowmeter to gas
Amount accuracy is good.
Further, core body upper end is provided with mounting seat, is plugged in mounting seat bar rotation, and output wheel is by connection
Bar is plugged in bull stick, and output wheel and end wheel divide the opposite sides for being listed in mounting seat.By arranging mounting seat, output is easily installed
Wheel and end wheel.
Further, in the downside of master gear integrally formed with travelling gear, described end tooth is meshed with travelling gear；
Output wheel is stretched in the inner that rotationally connection has unidirectional handle, unidirectional handle in mounting seat, for set with output wheel outer peripheral face
Unidirectional seam is engaged, to prevent output wheel from inverting.By arranging check configuration, to prevent output wheel from inverting, and metering is caused
Data only can be superimposed, without automatically abatement.Bull stick is arranged in mounting seat in horizontal, by the coupling bar on output wheel with
The grafting of bull stick coordinates, and can realize that bull stick is stably installed in mounting seat.
Therefore, beneficial effects of the present invention：By the cooperation of slip lid and cross bar so that in the restriction of cross bar when slip lid is moved
Can move along being correctly oriented under effect, it is ensured that the work requirements of slip lid so that slip lid can be completely covered by core body
Opening, in order to avoid leak air phenomenon when needing and opening being covered.Under the restriction effect of cross bar, slip lid be not in towards
Lateral offset so that the good operating stability of slip lid, be difficult because slip lid shift position skew and internal stent occur clamping stagnation or
Interference.Can by cross bar open outer side setpoint distance, ensure slip lid to opening covering on the premise of so that
Slip lid is suspended at opening, and slip lid is little to the pressure of core body end, on the one hand reduces portability during slip lid action, another
Aspect also reduces the abrasion of slip lid and core body end.When slip lid is covered to opening, due to the restriction for having cross bar, machine
Gas in core body air cavity can not back down slip lid, and slip lid can well close the gas in air cavity so that gauge table
Sensitivity and accuracy to gas dosing.Due to the sensitivity of gauge table itself it is good, after gauge table is arranged on supply air line,
Little is affected on gas pressure in supply air line, is easy to the guarantee of gas pressure in supply air line.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of this gas meter.
Fig. 2 is the dispersed structure figure of this gas meter.
Fig. 3 is the dispersed structure figure between this gas meter middle gear and slip lid.
Fig. 4 is the dispersed structure figure of metering device in this gas meter.
Specific embodiment
In seeing figure, this gas meter is used to measure the flow of gas, is generally used for entering the consumption of coal gas
Row metering.Structure includes core body 1, is provided with two air cavitys spaced apart from each other in the core body 1, two air cavitys respectively with core body 1
Two openings 9 of upper end are communicated.Valve is provided with air cavity, valve passes through with the inner for the toggle 6 being plugged in core body 1
Gusset piece is connected, and the outer end of toggle 6 reaches the outside of core body 1, and the outer end of toggle 6 is fixed with yaw 61.
Two slip lids 4 are provided with the upper end of core body 1, master gear 2 are provided with can turning in the upper end of core body 1,
Integrally formed with connecting column 21 at the eccentric position of master gear 2, the yaw 61 on two toggles 6 is respectively by a connecting rod 62
Driving coupling is realized with connecting column 21.The upper end of core body 1 is provided with support 10, two is respectively equipped with support 10 and is nibbled with master gear 2
The driven gear 5 of conjunction.Two driven gears 5 are actively coupled respectively with a slip lid 4, under the drive of toggle 6, two passive tooths
Wheel 5 promotes two slip lids 4 to be used to alternately cover the opening 9 of two air cavitys respectively, or replaces disengagement with the opening 9 of two air cavitys.
For ease of realizing the cooperation of slip lid 4 and opening 9, pedestal 8 is provided with the upper end of core body 1, opening 9 is located in pedestal 8, slip lid
4 slide in the course of the work on pedestal 8.
Cross bar 3 is provided with over the mount 10, slip lid 4 is socketed in gap on cross bar 3, cross bar 3 extend into the upper end of core body 1
At two 9 positions of opening, under the drive of driven gear 5, slip lid 4 is slided under the guiding of cross bar 3 in the length direction of cross bar 3
It is dynamic.Support 10 is in cover shape, and support 10 itself has the wall body of arc, and two driven gears 5 are hung on support 10 under wall body
On surface, two openings 9 on core body 1 are covered by support 10.It is general by way of clamping between support 10 and core body 1
To realize what is be connected and fixed, the pin 101 for being connected to the upper end of core body 1 is provided with the foot of support 10, cross bar 3 is bridged and propped up
In frame 10.
As split-type structural, slip lid 4 includes sliding cover 43 and the slide plate 41 being connected in sliding cover 43, passive tooth to slip lid 4
Wheel 5 and 43 driving couplings of sliding cover.Slide plate 41 and sliding cover 43 are made up of dissimilar materials, and slip lid 4 and above-mentioned pedestal 8 are the hard of homogeneity
Made by matter high-abrasive material, can be made from bakelite or alloy rigid plastics, and sliding cover 43 is the plastics system of easy injection mo(u)lding
Into.Sliding cover 43 and slide plate 41 realize what is coupled generally by the mode of clamping, and the opposite sides on slide plate 41 is provided with
Chuck 48, integrally formed with the card base 47 being connected in chuck 48 at the lateral margin of sliding cover 43.
For ease of realizing the accurate quick assembling of slide plate 41 and sliding cover 43, in slide plate 41 towards one on the surface of sliding cover 43
Two pairs of spacing convex bodys 49 are formed, 49 points of two spacing convex bodys of a centering are listed in the opposite sides of slide plate 41, spacing convex body 49
In being plugged on the limited mouth 46 formed on 43 wall bodies of sliding cover.
It is socketed in gap on cross bar 3 integrally formed with coupling sleeve 44, coupling sleeve 44 on wall body on sliding cover 43.On sliding cover 43
Integrally formed with a pair of plates 45 on surface, plate 45 and coupling sleeve 44 intersect vertically settings, formation between plate 45
There is connection slot, integrally formed reversed column 51 is plugged on gap in connection slot on the lower surface of driven gear 5.
The upper wall body of sliding cover 43 is curved, and protuberance is formed with slide plate 41, swells outer surface and covers the interior of wall body on 43 with sliding
Surface is fitted, and swells outer surface and the groove 42 passed through for the cross bar 3 is formed with the connection groove location.
It is additionally provided with this gauge table for carrying out counting the metering device of output to gas flow, metering device includes turning
Bar 12, bull stick 12 is provided with end wheel 11 towards the end of master gear 2, and the outer face of end wheel 11 is provided with end tooth, end tooth and main tooth
2 driving couplings are taken turns, the other end connection of bull stick 12 has output wheel 14, the change of the rotation triggering metering meter reading of output wheel 14.
For ease of realizing the installation to metering device, the upper end of core body 1 is provided with mounting seat 16, and bull stick 12 is in Horizontal rotary ground
It is plugged in mounting seat 16, output wheel 14 is tightly plugged in bull stick 12 by coupling bar 13, output wheel 14 and end take turns 11
Divide the opposite sides for being listed in mounting seat 16.
In the downside of master gear 2 integrally formed with travelling gear 22, described end tooth is meshed with travelling gear 22.Install
Seat 16 on rotationally connection have unidirectional handle 15, unidirectional handle 15 the inner stretch to output wheel 14, for the outer peripheral face of output wheel 14
Set unidirectional seam is engaged, to prevent output wheel 14 from inverting.
Operationally, gas is entered into the air cavity this gas meter from the opening 9 of an air cavity, and another is open
9 are covered by corresponding slip lid 4.Corresponding toggle 6 is swung into the gas push valve in air cavity, toggle 6 drives master
Gear 2 is rotated, and master gear 2 makes respectively each self-corresponding slip lid 4 alternately cover and disengage with opening 9 by two driven gears 5,
So that gas is sequentially entered into corresponding air cavity, and during gas enters outlet chamber so that toggle 6 occurs lasting
Swing.The gas entered into air cavity after corresponding slip lid 4 covers in opening 9, and by counter the pushing away of valve from core body 1
Escaping pipe 63 is entered on supply air line.Master gear 2 drives bull stick 12 to rotate in rotation process, and counting device is obtained
Counted with the flow to gas.
Claims (10)
1. a kind of gas meter, including core body, is provided with two air cavitys spaced apart from each other in movement body, two air cavitys respectively with
Two openings of core body upper end are communicated, and are provided with valve in air cavity, the inner phase of valve and the toggle being plugged in movement body
Connection, the outer end of toggle reaches the outside of core body, and the outer end of toggle is fixed with yaw, sets on the upper end of core body
There are two slip lids, the yaw on two toggles is prejudicially connected on the master gear of core body upper end, on core body by connecting rod
End is provided with support, and two driven gears engaged with master gear, driven gear and two slip lid activity connection are respectively equipped with support
Connect, under the drive of toggle, two driven gears promote two slip lids to be used to alternately cover the opening of two air cavitys respectively, or with
The opening of two air cavitys is alternately disengaged, it is characterised in that cross bar is provided with support, slip lid is socketed in gap on cross bar.
2. gas meter according to claim 1, it is characterised in that support is in cover shape, the foot of support is provided with clamping
In the pin of core body upper end, cross bar is bridged in support.
3. gas meter according to claim 1 and 2, it is characterised in that slip lid includes sliding cover and is connected in sliding cover
Slide plate, slide plate and sliding cover be made up of dissimilar materials, driven gear and sliding cover driving coupling.
4. gas meter according to claim 3, it is characterised in that the opposite sides on slide plate is provided with chuck is sliding
Integrally formed with the card base being connected in chuck on cover.
5. gas meter according to claim 3, it is characterised in that be integrally formed towards on the surface of sliding cover in slide plate
There is at least one pair of spacing convex body, two spacing convex bodys point of a centering are listed in the opposite sides of slide plate, and spacing convex body is plugged on cunning
In the limited mouth formed on cover wall body.
6. gas meter according to claim 3, it is characterised in that integrally formed with coupling sleeve on the upper wall body of sliding cover,
Coupling sleeve is socketed on cross bar, integrally formed with a pair of plates on sliding cover upper surface, connection slot, quilt is formed between plate
Integrally formed reversed column is plugged on gap in connection slot on moving gear lower surface；Plate and coupling sleeve intersect vertically setting.
7. gas meter according to claim 6, it is characterised in that the upper wall body of sliding cover is curved, is formed on slide plate
There is protuberance, swell outer surface and fit with the inner surface of the upper wall body of sliding cover, protuberance outer surface is formed with the connection groove location
For the groove that the cross bar is passed through.
8. gas meter according to claim 1 and 2, it is characterised in that also including metering device, metering device includes
Bull stick, bull stick is provided with end wheel towards the end of master gear, and the outer face for holding wheel is provided with end tooth, end tooth and master gear transmission connection
Connect, the other end connection of bull stick has output wheel.
9. gas meter according to claim 8, it is characterised in that core body upper end is provided with mounting seat, bar rotation
Be plugged in mounting seat, output wheel is plugged in bull stick by coupling bar, and output wheel and end wheel point are listed in the relative of mounting seat
Both sides.
10. gas meter according to claim 9, it is characterised in that in the downside of master gear integrally formed with transmission
Gear, described end tooth is meshed with travelling gear；Rotationally connection has a unidirectional handle in mounting seat, and the inner of unidirectional handle is stretched to defeated
Go out wheel, for being engaged with unidirectional seam set on output wheel outer peripheral face, to prevent output wheel from inverting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113417.2A CN106643948A (en) | 2017-02-28 | 2017-02-28 | Gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113417.2A CN106643948A (en) | 2017-02-28 | 2017-02-28 | Gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643948A true CN106643948A (en) | 2017-05-10 |
Family
ID=58847823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113417.2A Pending CN106643948A (en) | 2017-02-28 | 2017-02-28 | Gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643948A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB846924A (en) * | 1957-03-07 | 1960-09-07 | United Gas Industries Ltd | Improvements relating to dry gas meters |
| CN2415345Y (en) * | 2000-04-07 | 2001-01-17 | 陈敬学 | Volumetric gas meter |
| CN200941057Y (en) * | 2006-07-31 | 2007-08-29 | 重庆精益仪表有限公司 | Gas-less trimmer of membrane gasmeter sliding valve cap |
| CN201653503U (en) * | 2010-02-02 | 2010-11-24 | 大连基准机电设备有限公司 | Target flowmeter checking table |
| CN102680040A (en) * | 2012-04-17 | 2012-09-19 | 陈正朝 | Gas flowmeter |
| CN105181058A (en) * | 2015-10-15 | 2015-12-23 | 陈正朝 | Gas-measuring apparatus |
| CN206787640U (en) * | 2017-02-28 | 2017-12-22 | 台州杜瑞仪表有限公司 | Gas meter |
-
2017
- 2017-02-28 CN CN201710113417.2A patent/CN106643948A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB846924A (en) * | 1957-03-07 | 1960-09-07 | United Gas Industries Ltd | Improvements relating to dry gas meters |
| CN2415345Y (en) * | 2000-04-07 | 2001-01-17 | 陈敬学 | Volumetric gas meter |
| CN200941057Y (en) * | 2006-07-31 | 2007-08-29 | 重庆精益仪表有限公司 | Gas-less trimmer of membrane gasmeter sliding valve cap |
| CN201653503U (en) * | 2010-02-02 | 2010-11-24 | 大连基准机电设备有限公司 | Target flowmeter checking table |
| CN102680040A (en) * | 2012-04-17 | 2012-09-19 | 陈正朝 | Gas flowmeter |
| CN105181058A (en) * | 2015-10-15 | 2015-12-23 | 陈正朝 | Gas-measuring apparatus |
| CN206787640U (en) * | 2017-02-28 | 2017-12-22 | 台州杜瑞仪表有限公司 | Gas meter |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |