CN204803996U - From gaseous isolator of mode - Google Patents
From gaseous isolator of mode Download PDFInfo
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- CN204803996U CN204803996U CN201520447502.9U CN201520447502U CN204803996U CN 204803996 U CN204803996 U CN 204803996U CN 201520447502 U CN201520447502 U CN 201520447502U CN 204803996 U CN204803996 U CN 204803996U
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- float
- seal
- pressure
- relief opening
- liquid
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Abstract
The utility model discloses a from gaseous isolator of mode, including the float, deposit the liquid device, leakage fluid dram, apron, outage, its characterized in that: from gaseous isolator of mode still include pressure equaliser, the float on have a pressure release mouth, pressure equaliser is connected with the float location. The float suit is in depositing the liquid device, and the float can go up and down along with the liquid level and float in depositing the liquid device. The float is according to the aperture of the big or small automatically regulated leakage fluid dram of flowing back volume, and pressure equaliser automatically released prevents the pressure of flowing back, and this from gaseous isolator of mode does not block the component of liquid and hook debris, has glossy flowing back passageway, and difficult the jam is out -of -date as the liquid flow, and liquid can make the float take place swing or rotation, has from cleaning function, no matter is to have or not the isolated gas that liquid can both be fine. Simple structure, the washing is dismantled conveniently, and production is easy, and manufacturing and use cost are low, and the range of application is wide, easily promotes etc..
Description
Technical field
The utility model relates to a kind of sealing device, is specifically related to a kind of self-adjustable gas separators.
Background technology
Present gas separators, has fixed (as the trap of draining, floor drain etc.) that adopt fluid isolation to have taste pernicious gas, but often because liquid is evaporated the obstruct not having liquid, loses the function of sealing.Also there is volume large, the defects such as installation site is limited.Also have and adopt spring, magnetic force or gravity principle, this kind of gas separators also exists again and will allow liquid flow, will overcome the reaction force of spring, magnetic force or gravity, has greatly checked the mass rate of emission of liquid.And also there is complex structure, there is the component of barrier liquid flowing and hook foreign material in apocenosis passage, not only check the flowing of liquid further, also exist and easily cause channel blockage, the defects such as maintenance maintenance cost is high, and application life is short.
Also have a class gas separators, utilize buoyancy of water to make shape as bowl-type, float that is spherical or other shape is elevated with liquid, realizes the discharge of liquid and the isolation of gas.The isolator of this form of structure is under actual condition, and by the pressure influence produced in apocenosis passage, draining function can not well realize.
The apocenosis passage overwhelming majority due to access is an airtight space, above-mentioned gas separators in actual applications, when the amount of liquid flowed into or flow out changes, the pressure of larger plus or minus can be produced in passage, malleation is contrary with the direction will discharging liquid flow, drain age velocity is reduced greatly, and float can be inhaled again on seal, block apocenosis passage (made sample and carried out multi-environment, the contrast experiment under multi items) by negative pressure.
Utility model content
The utility model provides a kind of with on the float of pressure relief opening, the self-adjustable gas separators of setting pressure bascule.Comprise float, liquid storage device, leakage fluid dram, cover plate, outage; It is characterized in that: described self-adjustable gas separators also comprises pressure equaliser; Described float has pressure relief opening, and pressure equaliser and float are located by connecting.
This self-adjustable gas separators not only can regulate the size of leakage fluid dram automatically according to lifting rate size, automatically can also eliminate in apocenosis passage the positive/negative pressure affecting drain age velocity and block passage.Have drain age velocity fast, have liquid aneroid to completely cut off pernicious gas, passage is smooth not easily to be blocked, and also has self-cleaning function, substantially increases the performance of sealer, and working service cost is low, the advantages such as long service life.
the utility model solves the technical scheme that its technical problem adopts:the first preferred version, self-adjustable gas separators comprises float, liquid storage device, leakage fluid dram, cover plate, outage; It is characterized in that: described self-adjustable gas separators also comprises pressure equaliser; Described float has pressure relief opening, and pressure equaliser and float are located by connecting.Fluted on described float, groove there is pressure relief opening, pressure equaliser comprises seal one, seal four, float or cover plate there is projection, one end of described seal one is arranged in groove, the other end and pressure relief opening seal to contact and connect, and one end of seal four is arranged on buoy top, and the other end and pressure relief opening seal to contact and connect.
Its fixed installation mode of described pressure equaliser can adopt riveted joint, Luo connects, pin joint etc., the other end seals to contact with pressure relief opening respectively and connects, seal one and seal four can be made with elastomeric material, also the modes such as hinged can be adopted, seal one (four) is contacted with pressure relief opening the one end be connected, be flexibly connected with fixing one end, utilize elastic force, magnetic force, the principles such as gravity, making it when having external force or without External Force Acting, can open or closed pressure relief opening, the effect of projection makes to form pressure release passage between cover plate and float.
When not having cover plate, float can float in liquid storage device.When cover plate is housed, float in the liquid storage device of float under cover plate.
The course of work of described self-adjustable gas separators is: suppose that liquid storage device is in and does not have liquid, or the original state after drained liquid, and float is at lowest order, and leakage fluid dram seals by float, intercepts the gas passage of leakage fluid dram and liquid storage device.
Flow directly into liquid storage device without liquid during cover plate, when having a cover plate, liquid flows into liquid storage device from outage.The liquid flowing into liquid storage device makes liquid level constantly raise, and when liquid level is raised to the weight being greater than float and pressure equaliser, float rises thereupon, and float leaves leakage fluid dram and opens apocenosis passage and start discharge opeing.The height of float is relevant with the speed of fluid flow and discharge opeing, if the speed that liquid flows into is fast, the speed of discharge opeing is slow, liquid level just continues to raise, and the distance of float and leakage fluid dram is also larger, and the speed of discharge opeing is also faster, when equilibrium is reached, liquid level remains unchanged, otherwise liquid level drops to equilbrium position.Liquid enters closed apocenosis passage, and make space in passage diminish and produce pressure, discharge opeing will be subject to resistance, and the speed of discharge opeing will be slack-off, if the liquid levels that the liquid flowing into liquid storage device is greater than discharge will raise.
One is do not have cover plate above liquid storage device, and when float rises to a certain height, float is just sent out can tilt earth pressure release, and without pressure, drain age velocity is accelerated, and liquid level decreases to and reaches balance.
Two is that liquid storage device has cover plate, projection on the cover board, when the height of float is lower than projection, the pressure that pressure equaliser is subject to is the weight of float, be less than the opening force of pressure equaliser, float continues to rise with liquid, when projection encountered by float, float can not continue to raise (if float has projection, cover plate do not have projection, be just: when projection encounters cover plate, float can not continue to raise), the pressure that pressure equaliser is subject to is the liquid weight that float arranges liquid, when being greater than pressure equaliser opening force, seal four and pressure relief opening seal and contact the one end connected deformation or displacement occur, pressure discharges from pressure relief opening, after earth pressure release, pressure equaliser is closed, drain age velocity is accelerated, liquid level starts till decline reaches equilbrium position.
When lifting rate changes or terminate discharge opeing, the change of liquid level makes apocenosis passage produce negative pressure, the suction of negative pressure makes float move to leakage fluid dram, negative pressure that pressure equaliser is subject to increases, and when this negative pressure is greater than pressure equaliser opening force, seal one and pressure relief opening seal and contact the one end connected and produce deformation or displacement, open pressure relief opening release negative pressure, after pressure release, pressure equaliser is closed, and float can not be inhaled because of negative pressure and block apocenosis passage on leakage fluid dram, and equilibrium state got back to by float.
As the second preferred version of the present utility model: this preferred version is substantially with the first preferred version, difference is: described pressure equaliser is by seal two, spring, push rod forms, described spring housing is on push rod, one end of spring is arranged on push rod, and the other end is arranged on float, and seal two and pressure relief opening seal to contact and connect.
Its course of work is: when producing malleation, after push rod is increased to cover plate with liquid level, and push rod is subject to buoyancy and cover plate pressure when being greater than spring force, and push rod makes spring-compressed, and seal two opens pressure relief opening release pressure.When generation negative pressure, when the suction of negative pressure is greater than spring force, seal two opens pressure relief opening release negative pressure.
As another kind of preferred version of the present utility model: this preferred version is substantially with the first preferred version, difference is: described pressure equaliser is by seal three, magnetic material, push rod, support forms, and described support is fixedly mounted on float, and top stem casing is contained in support and can moves vertically, magnetic material is arranged on float and seal three or push rod respectively, and seal three and pressure relief opening seal to contact and connect.
Its course of work is: when producing malleation, after push rod is increased to cover plate with liquid level, and push rod is subject to buoyancy and cover plate pressure when being greater than magnetic force, and push rod makes seal two open pressure relief opening release pressure.When generation negative pressure, when the suction of negative pressure is greater than magnetic force, seal two opens release negative pressure.
As another preferred version of the present utility model: this preferred version is substantially with the first preferred version, difference is: described pressure equaliser comprises seal five, float or cover plate there is projection, one end of described seal five is arranged on float, and the other end and pressure relief opening seal to contact and connect.One end of described seal five adopts bonding, and the modes such as welding are fixedly mounted on float, and the other end and pressure relief opening seal to contact and connect.
Certainly, pressure equaliser can also have the structural concept of other maturation, such as adopts gravity, the modes such as buoyancy, by structures such as shell fragment, pull bar, levers.
the beneficial effects of the utility model are:self-adjustable gas separators, has and automatically regulates leakage fluid dram aperture according to fluid flow size, the function of energy self-balancing pressure.Smooth in apocenosis passage, without any barrier liquid flowing and the component of hook foreign material, be almost straight-through without hindrance during discharge opeing, more not easily block.The out-of-date meeting of liquid stream makes float occur to swing or rotate, and has self-cleaning function.No matter be have no liquid well can completely cut off gas.
Structure is simple, maintenance, cleaning, convenient disassembly, and produce easily, cost is low, applied range, is easy to promote.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Schematic diagram when Fig. 1 is the utility model self-adjustable gas separators 1 low liquid-level pressure balance;
Fig. 2 is the utility model self-adjustable gas separators 1 schematic diagram that pressure equaliser is opened when having a negative pressure;
Schematic diagram when Fig. 3 is the utility model self-adjustable gas separators 2 low liquid-level pressure balance;
Fig. 4 be the utility model self-adjustable gas separators 2 under normal circumstances discharge opeing time schematic diagram;
Fig. 5 is the schematic diagram of the utility model self-adjustable gas separators 2 high liquid-level pressure bascule when opening;
Fig. 6 is the utility model self-adjustable gas separators spring pressure equaliser schematic diagram;
Fig. 7 is the utility model self-adjustable gas separators magnetic-type pressure equaliser schematic diagram;
Fig. 8 is the utility model self-adjustable gas separators schematic diagram that pressure equaliser is opened when having a malleation.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, in Fig. 6, Fig. 7, Fig. 8 shown in each assembly of self-adjustable gas separators: 1-float, 1a-groove, 1b-pressure relief opening, 2-pressure equaliser, 2a-seal one, 2b-seal two, 2c-spring, 2d-seal three, 2e-magnetic material, 2f-push rod, 2g-seal four, 2h-support, 2i-seal 5 3-liquid storage device, 3a-leakage fluid dram, 4-cover plate, 4a-outage, 4b-projection, a-liquid level line signal.
Detailed description of the invention
embodiment 1:
As Fig. 1, Figure 2 shows that the self-adjustable gas separators of embodiment 1, it comprises float 1, pressure equaliser 2, liquid storage device 3, cover plate 4; Fluted 1a on described float 1, groove 1a has pressure relief opening 1b, and pressure equaliser 2 is arranged in groove (1a), and float 1 is arranged in liquid storage device 3, and float 1 can float in liquid storage device 3.Liquid storage device 3 there is leakage fluid dram 3a, cover plate 4 has outage 4a; Described pressure equaliser 2 comprises seal one 2a, pressure equaliser 2 is arranged in groove 1a, one end of seal one 2a adopts pin joint, Luo connects, the modes such as riveted joint are fixedly mounted on float 1, the other end and pressure relief opening 1b seal to contact and connect, and seal one 2a can make with elastomeric material, as rubber etc.Pressure equaliser 2 can certainly be made an independently device, then be arranged on float 1.
The course of work of the self-adjustable gas separators described in embodiment 1 is:
Suppose that liquid storage device 3 is in and does not have liquid, or the original state after drained liquid, float 1 is at lowest order, and leakage fluid dram 3a seals by float 1, intercepts the gas passage of leakage fluid dram 3a and liquid storage device 3.
If liquid flows into liquid storage device 3, liquid level is constantly raised, when liquid level is raised to the weight being greater than float 1 and pressure equaliser 2, float 1 rises thereupon, and float 1 leaves leakage fluid dram 3a and opens apocenosis passage and start discharge opeing.The height of float 1 is relevant with the speed of fluid flow and discharge opeing, if the speed that liquid flows into is fast, the slow liquid level of speed of discharge opeing continues to raise, float 1 is also larger with the distance of leakage fluid dram 3a, and the speed of discharge opeing is also accelerated, when equilibrium is reached, liquid level remains unchanged, otherwise liquid level drops to equilbrium position.
After liquid enters closed apocenosis passage, in passage, space diminishes and produces pressure, and this pressure is contrary with the direction of liquid flow, and discharge opeing will be subject to resistance, and the speed of discharge opeing will be slack-off, and when the liquid of inflow is greater than drain age velocity, liquid level also can raise.
When float 1 rises to certain with height, float 1 will be sent out and produce by earth pressure release, and without pressure, drain age velocity is accelerated, and liquid level decreases to and reaches balance.
When the amount of liquid flowed into changes or liquid level declines, apocenosis passage produces negative pressure, the suction of negative pressure will make float 1 move down, the liquid that float 1 arranges will increase, suction on pressure equaliser 2 increases, when suction is greater than the opening force of pressure equaliser 2, seal one 2a and pressure relief opening 1b seal and contact the one end connected deformation or displacement occur, open pressure relief opening 1b earth pressure release, after earth pressure release, pressure equaliser 2 is closed, float 1 can not block passage because negative pressure is attracted on leakage fluid dram 3a, and isolator continues normal work.After discharge opeing completes, float 1 falls the lowest order to original state after rise, closes leakage fluid dram 3a gas passage.
embodiment 2:as Fig. 3, Fig. 4, Fig. 5, Figure 8 shows that the self-adjustable gas separators of embodiment 2, the present embodiment basic structure is with embodiment 1, difference is: described self-adjustable gas separators includes seal five 2i, cover plate 4, cover plate 4 there is outage 4a, cover plate 4 or float 1 there is projection 4b, eliminates sealer one 2a.One end of described seal five 2i adopts bonding, and the modes such as welding are fixedly mounted on float 1, and the other end and pressure relief opening 1b seal to contact and connect.
When liquid makes float 1 rising reach balance by outage 4a inflow liquid storage device 3, the pressure that pressure equaliser 2 is subject to is the weight of float 1, is less than the opening force of pressure equaliser 2.If create normal pressure, float 1 continues to rise with liquid, when projection 4b met by float, float 1 stops rising (if float has projection, cover plate do not have projection, be just: when projection 4b encounters cover plate 4, float 1 stops rising), the pressure that pressure equaliser 2 is subject to is the liquid weight that float 1 arranges liquid, when being greater than the opening force of seal five 2i, seal five 2i seals with pressure relief opening 1b the one end contacting and connect, pressure relief opening 1b release pressure is opened in generation deformation or displacement, after release, pressure equaliser 2 is closed, drain age velocity is accelerated, till liquid level decline reaches equilibrium state.After discharge opeing completes, float 1 falls the lowest order to original state after rise, closes leakage fluid dram 3a gas passage.
embodiment 3:as Fig. 3, Fig. 4, the self-adjustable gas separators that Figure 5 shows that embodiment 3, the present embodiment basic structure is with embodiment 1, difference is: described self-adjustable gas separators includes seal four 2g, cover plate 4, cover plate 4 there is outage 4a, cover plate 4 or float 1 have projection 4b, and seal four 2g one end is fixedly mounted on float 1 top, and the other end and pressure relief opening 1b seal to contact and connect.
Liquid flows into liquid storage device 3 by outage 4a makes float 1 rising reach balance, and the pressure that pressure equaliser 2 is subject to is the weight of float 1, is less than the opening force of pressure equaliser 2.If create normal pressure, float 1 continues to rise with liquid, when meeting projection 4b, float 1 stops rising (when supposing that projection 4b is on float 1, should be just that projection 4b encounters cover plate 4), the pressure that pressure equaliser 2 is subject to equals the liquid weight that float 1 arranges liquid volume, when being greater than the opening force of seal four 2g, seal four 2g seals with pressure relief opening 1b the one end contacting and connect, to be subjected to displacement or pressure relief opening 1b release pressure is opened in deformation, after release, pressure equaliser 2 is closed, drain age velocity is accelerated, till liquid level decline reaches equilibrium state.With embodiment 1 during negative pressure.
embodiment 4:
As Fig. 1, Fig. 3, Fig. 4, Fig. 5, Figure 6 shows that the self-adjustable gas separators of embodiment 4, the present embodiment basic structure is with embodiment 1, embodiment 2, embodiment 3, difference is: pressure equaliser 2 has changed spring structure into, comprises seal two 2b, spring 2c, push rod 2f, described spring 2c two ends are arranged on push rod 2f and float 1 respectively, and seal two 2b and pressure relief opening 1b seal to contact and connect.
When on float 1 produce be greater than the negative pressure of spring 2c elastic force time, the suction of this negative pressure makes spring 2c deformation, seal two 2b open seal contact connection pressure relief opening 1b.When there being malleation liquid level to rise, when push rod 2f rises to cover plate 4 with liquid level and float 1, push rod 2f is under the active force of buoyancy and cover plate 4, and spring 2c is compressed, and pressure relief opening 1b is opened release pressure by seal two 2b.
embodiment 5:
As Fig. 1, Fig. 3, Fig. 4, Fig. 5, Figure 7 shows that the self-adjustable gas separators of embodiment 5, the present embodiment basic structure is with embodiment 1, embodiment 2, embodiment 3 and embodiment 4, difference is: pressure equaliser 2 has changed magnetic-type structure into, comprise seal three 2d, magnetic material 2e, push rod 2f, support 2h; Described magnetic material 2e or the material that repel each other attracting by a pair, as magnet and ferrous metal, or the pairing such as magnet and magnet, make between them in certain distance, mutually can produce the attracting or effect of repelling each other; Described support 2h is arranged on float 1, and push rod 2f is sleeved in support 2h can prolong axially-movable, and magnetic material 2e is arranged on float 1 and seal three 2d respectively, or is arranged on float 1 and push rod 2f.
When the negative pressure that float 1 produces is greater than the interaction force of magnetic material 2e, the suction of negative pressure overcomes magnetic force makes seal three 2d open pressure relief opening 1b release pressure.When malleation is greater than magnetic force, push rod 2f promotes seal three 2d and opens pressure relief opening 1b release pressure.
The above, be only a part for the representative instance of the utility model self-adjustable gas separators, accompanying drawing is partial schematic diagram.Affiliated pressure equaliser 2 can use buoyancy, magnetic force, elastic force, the principles such as gravity.Adopt pull bar, lever, cam etc. make its opening and closing, as convex etc. in what seal one is arranged as similar push rod effect.As long as include pressure relief opening 1b, pressure equaliser 2 all drops on protection domain of the present utility model.
Claims (10)
1. self-adjustable gas separators, comprises float (1), liquid storage device (3), leakage fluid dram (3a), cover plate (4), outage (4a); It is characterized in that: described self-adjustable gas separators also comprises pressure equaliser (2); Described float (1) has pressure relief opening (1b), and pressure equaliser (2) and float (1) are located by connecting.
2. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) comprises seal one (2a), one end of described seal one (2a) is fixedly mounted in groove (1a), and the other end seals to contact with pressure relief opening (1b) and connects.
3. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) comprises seal five (2i), cover plate (4) there is projection (4b), one end of described seal five (2i) is fixedly mounted on float (1), and the other end seals to contact with pressure relief opening (1b) and connects.
4. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) comprises seal five (2i), float (1) there is projection (4b), one end of described seal five (2i) is arranged on float (1), and the other end seals to contact with pressure relief opening (1b) and connects.
5. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) comprises seal one (2a), seal four (2g), float (1) there is projection (4b), one end of described seal one (2a) is arranged in groove (1a), the other end seals to contact with pressure relief opening (1b) and connects, one end of seal four (2g) is arranged on float (1) top, and the other end seals to contact with pressure relief opening (1b) and connects.
6. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) comprises seal one (2a), seal four (2g), cover plate (4) there is projection (4b), one end of described seal one (2a) is fixedly mounted on groove (1a), the other end seals to contact with pressure relief opening (1b) and connects, one end of seal four (2g) is fixedly mounted on float (1) top, and the other end seals to contact with pressure relief opening (1b) and connects.
7. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) by seal two (2b), spring (2c), push rod (2f) form, described spring (2c) is enclosed within push rod (2f), one end of spring (2c) is arranged on push rod (2f), and the other end is arranged on float (1), and seal two (2b) seals to contact with pressure relief opening (1b) and connects.
8. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) is by seal three (2d), magnetic material (2e), push rod (2f), support (2h) forms, described support (2h) is fixedly mounted on float (1), push rod (2f) is sleeved in support (2h) and can moves vertically, magnetic material (2e) is arranged on float (1) and seal three (2d) respectively, seal three (2d) seals to contact with pressure relief opening (1b) and connects.
9. self-adjustable gas separators as claimed in claim 1, it is characterized in that: described float (1) upper fluted (1a), groove (1a) there is pressure relief opening (1b), pressure equaliser (2) is by seal three (2d), magnetic material (2e), push rod (2f), support (2h) forms, described support (2h) is fixedly mounted on float (1), push rod (2f) is sleeved in support (2h) and can moves vertically, magnetic material (2e) is arranged on float (1) and push rod (2f) respectively, seal three (2d) seals to contact with pressure relief opening (1b) and connects.
10. the self-adjustable gas separators as described in claim 1,2,3,4,5,6,7,8 or 9, it is characterized in that: described cover plate (4) is arranged on liquid storage device (3), described float (1) can float with in the liquid storage device (3) of the lifting of liquid level under cover plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520447502.9U CN204803996U (en) | 2015-06-28 | 2015-06-28 | From gaseous isolator of mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520447502.9U CN204803996U (en) | 2015-06-28 | 2015-06-28 | From gaseous isolator of mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204803996U true CN204803996U (en) | 2015-11-25 |
Family
ID=54588843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520447502.9U Withdrawn - After Issue CN204803996U (en) | 2015-06-28 | 2015-06-28 | From gaseous isolator of mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204803996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947756A (en) * | 2015-06-03 | 2015-09-30 | 许光荣 | Self-adjustable type gas isolator |
| WO2016192351A1 (en) * | 2015-06-03 | 2016-12-08 | 许光荣 | Self-adjustable type gas isolator |
-
2015
- 2015-06-28 CN CN201520447502.9U patent/CN204803996U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947756A (en) * | 2015-06-03 | 2015-09-30 | 许光荣 | Self-adjustable type gas isolator |
| CN104947756B (en) * | 2015-06-03 | 2016-11-02 | 许光荣 | Self-adjustable gas separators |
| WO2016192351A1 (en) * | 2015-06-03 | 2016-12-08 | 许光荣 | Self-adjustable type gas isolator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |