CN211055862U - Separation explosion-proof type fuel storage and filling combined device with pump - Google Patents
Separation explosion-proof type fuel storage and filling combined device with pump Download PDFInfo
- Publication number
- CN211055862U CN211055862U CN201921765216.1U CN201921765216U CN211055862U CN 211055862 U CN211055862 U CN 211055862U CN 201921765216 U CN201921765216 U CN 201921765216U CN 211055862 U CN211055862 U CN 211055862U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- storage tank
- pump
- sleeve
- 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
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a from explosion-proof type fuel storage of separation and filling composite set of taking pump belongs to fuel storage and supply technical field. The device comprises a base and a storage tank arranged on the base along the vertical direction; the inner upper part of the storage tank is an explosion-proof structure filled with barrier explosion-proof materials; the storage tank top is equipped with liquid outlet, inlet and level gauge, and the inlet passes explosion-proof structure and storage tank lower part intercommunication downwards, and the level gauge passes explosion-proof structure to storage tank bottom downwards, is equipped with the stay tube that passes explosion-proof structure to storage tank bottom downwards on the liquid outlet, and the stay tube bottom is equipped with the pump, and the pump is through wearing to locate pipeline and liquid outlet intercommunication in the stay tube. The device sets up the pump and sends out fuel in storage tank inside, need not external conveyor.
Description
Technical Field
The utility model belongs to the technical field of fuel storage and supply, in particular to from explosion-proof type fuel storage of separation and filling composite set device of taking the pump, especially relate to a device for storing and filling alcohol group raw materials.
Background
Alcohol-based fuels are fuels that are formulated primarily with alcohols (e.g., methanol, ethanol, butanol, etc.). It is in liquid or solid form. It is also a biomass energy, and is an environment-friendly clean energy which is widely popularized by governments in various countries as nuclear energy, solar energy, wind energy and hydraulic energy; in the face of the exhaustion of petrochemical energy, the alcohol-based fuel is the most potential novel alternative energy and is deeply favored by enterprises and organizations of various countries. The alcohol-based fuel is easy to produce and can be obtained like alcohol wine in the future.
Alcohol based fuels are typically stored by a storage tank.
Patent for CN200920040058.3 discloses an explosion-proof storage tank, has a jar body, and jar body both ends have the head, have a supporting seat under jar body, install manhole, manhole cover on the jar body, advance oil pipe, go out oil pipe, level appearance and breather valve, jar internal frame that is provided with of jar, be equipped with the operation passageway in the frame, the frame bottom is provided with the stainless steel net, frame and jar wall space intussuseption outside the operation passageway are filled with separation explosion-proof material, all fill in the operation passageway and the frame both ends off-plate head space has portable separation explosion-proof material.
The patent with the application number of CN 201820227950.1 discloses a back-flow-proof type raw material vertical storage tank of a blocking explosion-proof device with a positive and negative pressure structure, which comprises a tank body, a liquid inlet, a liquid outlet and a pressure port, wherein the tank body comprises a cylinder body, an upper end enclosure and a base, blocking explosion-proof materials are filled in the cylinder body, the liquid inlet is arranged beside the upper end enclosure and is provided with a valve II, the liquid outlet is arranged in the middle of the top of the upper end enclosure and is provided with a valve I, the top of the upper end enclosure is provided with a liquid level meter, and a miniature explosion-proof brushless motor air pump is communicated with the pressure; and the middle part of the top of the upper end socket of the liquid outlet is also provided with a safety valve and a check valve.
The existing fuel supply devices generally only have a storage function, and an external pump is required for supplying the fuel.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a from explosion-proof type fuel storage of separation and filling composite set device of taking the pump, the device sets up explosion-proof structure on storage tank upper portion, sets up the pump in storage tank inside and sees off fuel, need not external conveyor. The technical scheme is as follows:
the embodiment of the utility model provides a combined device for storing and filling barrier explosion-proof fuel with a pump, which comprises a base 1 and a storage tank 2 arranged on the base 1 along the vertical direction; the inner upper part of the storage tank 2 is an explosion-proof structure filled with barrier explosion-proof materials 4; 2 tops of storage tank are equipped with liquid outlet 5, inlet 6 and level gauge 7, inlet 6 passes explosion-proof structure and 2 lower parts of storage tank intercommunication downwards, level gauge 7 passes explosion-proof structure to 2 bottoms of storage tank downwards, be equipped with the stay tube 8 that passes explosion-proof structure to 2 bottoms of storage tank downwards on the liquid outlet 5, stay tube 8 bottom is equipped with pump 9, pipeline 10 and liquid outlet 5 intercommunication in the stay tube 8 are worn to locate to pump 9.
Wherein, the embodiment of the utility model provides an in storage tank 2 is including jar body 11 and its upper cover 12 and low head 13 at upper and lower both ends, the lower part level of upper cover 12 is equipped with baffle 3, the space intussuseption that baffle 3 and upper cover 12 enclose is filled with separation explosion-proof material 4 and forms explosion-proof construction, be equipped with the through-hole on the baffle 3, liquid outlet 5, inlet 6 and level gauge 7 are located on upper cover 12.
Preferably, the top of the upper end enclosure 12 in the embodiment of the present invention is provided with a port holder cylinder 14 along a vertical direction, the top end of the port holder cylinder 14 is covered with a port holder cover 15, the level meter 7 is fixed on the port holder cover 15 along the vertical direction, and a level meter sleeve 16 is arranged outside the level meter 7 and inside the port holder cylinder 14; an explosion-proof barrier material 4 is filled between the interface seat cylinder 14 and the liquid level meter sleeve 16; the liquid level meter sleeve 16 is arranged along the vertical direction, the upper end of the liquid level meter sleeve is fixed on the interface seat cover 15, the liquid level meter sleeve downwards penetrates through the explosion-proof structure, the lower end of the liquid level meter sleeve extends into the lower part of the partition plate 3, and through holes are uniformly distributed in the liquid level meter sleeve.
Further, the interface seat cylinder 14 in the embodiment of the present invention is provided with a one-way check valve 17; the interface seat cover 15 is provided with a ball valve 18, a safety valve 19 and a breather valve 20 which are communicated with the space between the interface seat cylinder 14 and the liquid level meter sleeve 16.
Preferably, a support sleeve 21 is arranged on the upper end enclosure 12 and outside the support tube 8 in the embodiment of the present invention, and a support tube cover plate 22 is arranged on a top end cover of the support sleeve 21; the support tube 8 is arranged along the vertical direction, and the upper end of the support tube 8 is fixed on a support tube cover plate 22; the liquid outlet 5 is arranged on the supporting tube cover plate 22 and is communicated with the upper end of the pipeline 10; the supporting sleeve 21 is arranged along the vertical direction, penetrates through the explosion-proof structure downwards, the lower end of the supporting sleeve extends into the lower part of the partition plate 3, and through holes are uniformly distributed in the part of the supporting sleeve, which is positioned in the storage tank 2.
Preferably, a filter screen 23 is arranged at the inlet of the pump 9 in the embodiment of the present invention; the pump 9 is provided with a power line 24, the power line 24 penetrates through the support sleeve 21 and penetrates out of the support sleeve cover plate 22 upwards, and the explosion-proof sealing sleeve 25 is sleeved on the part of the power line 24, which is positioned in the support sleeve 21.
Wherein, the embodiment of the utility model provides an in upper cover 12 go up along vertical direction to be equipped with the feed liquor pipe 26 that passes explosion-proof construction to jar body 11 bottom downwards, feed liquor pipe 26 top and be DC + A type quick-operation joint are located to inlet 6.
Preferably, the part of the liquid inlet pipe 26 located at the partition plate 3 and located in the storage tank 2 in the embodiment of the present invention is filled with the blocking explosion-proof material 4, and the part on which the blocking explosion-proof material 4 is arranged is uniformly provided with through holes.
Specifically, the embodiment of the utility model provides an in level gauge 7 locate upper cover 12 center, inlet 6 and liquid outlet 5 are located the both sides of level gauge 7.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a from explosion-proof type fuel storage of separation and filling composite set device of taking the pump, the device set up explosion-proof structure on storage tank upper portion, and the pump is seen off fuel in the inside setting of storage tank, need not external conveyor. In addition, the patent discloses separating the barrier blast resistant material by a plurality of sleeves to ensure performance.
Drawings
Fig. 1 is a schematic structural diagram of a combined barrier explosion-proof fuel storage and filling device with a pump according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a top view of a combined explosion-proof barrier fuel storage and filling device with a pump according to an embodiment of the present invention.
In the figure: the device comprises a base 1, a storage tank 2, a partition plate 3, a blocking explosion-proof material 4, a liquid outlet 5, a liquid inlet 6, a liquid level meter 7, a support pipe 8, a pump 9, a pipeline 10, a tank body 11, an upper end enclosure 12, a lower end enclosure 13, a connector seat cylinder 14, a connector seat cover 15, a liquid level meter sleeve 16, a one-way check valve 17, a ball valve 18, a safety valve 19, a breather valve 20, a support sleeve 21, a support pipe cover plate 22, a filter screen 23, a power cord 24, an explosion-proof sealing sleeve 25, a liquid inlet pipe 26 and a drain outlet 27.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the present invention provides a combined barrier explosion-proof fuel storage and filling device with a pump, the device includes a base 1 and a storage tank 2 disposed on the base 1 along a vertical direction, an electrostatic grounding plate may be disposed at the bottom of the base 1, the structure is substantially identical to that of the existing fuel storage tank, except that the upper portion of the storage tank 2 in the present embodiment is an explosion-proof structure filled with a barrier explosion-proof material 4, the explosion-proof structure is preferably communicated with the lower portion of the storage tank 2, a liquid outlet 5, a liquid inlet 6 and a liquid level meter 7 are disposed at the top of the storage tank 2, the liquid inlet 6 passes through the explosion-proof structure downwards and is communicated with the lower portion of the storage tank 2 for filling fuel, the liquid level meter 7 passes through the explosion-proof structure downwards to the bottom of the storage tank 2 for detecting the liquid level in the storage tank 2, the liquid outlet 5 is used for outputting fuel, a support tube 8 (a hard tube) passing through the explosion-proof structure downwards to the bottom of the storage tank 2 is disposed on the support tube 8 for preventing the pump 9 from shaking, the support tube 8 is disposed on the pump 9 is disposed on the support tube 10 (specifically, the tube may be controlled by a single chip microcomputer, and may be controlled by a liquid level meter, and may be automatically detected by a liquid level meter according to the liquid level meter (or a liquid level meter) according to the liquid level meter).
Referring to fig. 1-3, the storage tank 2 in the embodiment of the present invention includes a tank body 11, and an upper end enclosure 12 and a lower end enclosure 13 at the upper and lower ends of the tank body, wherein the lower end enclosure 13 is provided with a drain port 2. The lower part level of upper cover 12 is equipped with baffle 3, and the space intussuseption that baffle 3 and upper cover 12 enclose is filled with separation explosion-proof material 4 and is formed explosion-proof construction, is equipped with the through-hole on the baffle 3 (separation explosion-proof material 4 can not pass through, the back is with, specifically can be otter board or orifice plate etc.) makes explosion-proof construction and storage tank 2 interior lower part intercommunication, and liquid outlet 5, inlet 6 and level gauge 7 all locate on upper cover 12.
Preferably, referring to fig. 1-3, in the embodiment of the present invention, a mouthpiece cylinder 14 is disposed at the top (middle position) of the upper head 12 along the vertical direction, a mouthpiece cover 15 is disposed at the top of the mouthpiece cylinder 14 along the horizontal direction, the liquid level meter 7 is fixed on the mouthpiece cover 15 along the vertical direction, and a liquid level meter sleeve 16 (having a certain interval with the liquid level meter 7) is disposed outside the liquid level meter 7 and inside the mouthpiece cylinder 14 to separate the liquid level meter from the explosion-proof material 4. And the explosion-proof barrier material 4 is filled between the interface seat cylinder 14 and the liquid level meter sleeve 16. The liquid level meter sleeve 16 is arranged along the vertical direction, the upper end of the liquid level meter sleeve is fixed on the interface seat cover 15, the liquid level meter sleeve downwards passes through the explosion-proof structure, the lower end of the liquid level meter sleeve extends into the lower part of the partition plate 3 (fixed on the partition plate 3), and through holes are uniformly distributed on the liquid level meter sleeve. Specifically, the mouthpiece cylinder 14 and the level gauge sleeve 16 are both of a circular tube structure and coaxial with the level gauge 7.
Further, referring to fig. 1-3, the interface seat cylinder 14 in the embodiment of the present invention is provided with a one-way check valve 17 on the circumferential surface (for conveying into the storage tank 2) to communicate with the storage tank 2. The interface seat cover 15 is provided with a ball valve 18, a safety valve 19 and a breather valve 20 which are communicated with the space between the interface seat cylinder 14 and the liquid level meter sleeve 16. Specifically, the ball valve 18 and the safety valve 19 are respectively located on two sides of the liquid level meter 7, and the breather valve 20, the ball valve 18 and the safety valve 19 form an isosceles triangle. A ball valve 18, a relief valve 19, and a breather valve 20 are located between the gauge sleeve 16 and the hub barrel 14.
Preferably, referring to fig. 1-3, a support sleeve 21 is provided on the upper head 12 and outside the support tube 8 for separating the support tube from the explosion-proof barrier material 4, and a support tube cover plate 22 is provided at a top end cover of the support sleeve 21 along a horizontal direction. The support tube 8 is arranged in the vertical direction and its upper end is fixed to the support tube cover 22. The liquid outlet 5 (specifically, an outwardly bent connecting pipe) is disposed on the supporting tube cover plate 22 and is communicated with the upper end of the pipeline 10 (the lower end is communicated with the pump 9). The supporting sleeve 21 is arranged along the vertical direction, passes through the explosion-proof structure downwards, the lower end of the supporting sleeve extends into the lower part of the clapboard 3 (fixed on the clapboard 3), and through holes are uniformly distributed on the part of the supporting sleeve, which is positioned in the storage tank 2. Specifically, the support tube 8 and the support sleeve 21 are both of a circular tube structure and are coaxially arranged.
Preferably, referring to fig. 1 and 2, a filter screen 23 is provided at the inlet of the pump 9 in the embodiment of the present invention for filtering. The pump 9 is provided with a power line 24 for supplying power to the pump and controlling the operation of the pump, the power line 24 penetrates through the support sleeve 21 and upwards penetrates out of the support tube cover plate 22, and an explosion-proof sealing sleeve 25 (specifically, an explosion-proof tube sleeved on the power line 24 and a sealant filled between the explosion-proof tube and the power line 24) is sleeved on a part of the power line 24, which is located in the support sleeve 21, so as to protect the cable.
Wherein, referring to fig. 1, the upper head 12 of the embodiment of the present invention is provided with a liquid inlet pipe 26 (the lower end of which is preferably inclined and disposed (outward opening, angle is 45 °)) passing downward through the explosion-proof structure (passing through and fixed on the partition board 3) to the bottom of the tank 11 along the vertical direction, and the liquid inlet 6 is disposed on the top end of the liquid inlet pipe 26 and is easily opened and closed while ensuring the sealing effect of the DC + a type quick coupling.
Preferably, referring to fig. 1 and 2, in the liquid inlet pipe 26 of the embodiment of the present invention, the portion located at the partition 3 (the partition 3 is filled with the materials on the upper and lower sides) and located in the storage tank 2 is filled with the separation explosion-proof material 4 to protect the fuel in the storage tank 2, and the portion on which the separation explosion-proof material 4 is disposed is uniformly provided with through holes.
Specifically, referring to fig. 3, in the embodiment of the present invention, the liquid level meter 7 is disposed at the center of the upper head 12, the liquid inlet 6 and the liquid outlet 5 are respectively located at the left and right sides of the liquid level meter 7, and the one-way check valve 17 is disposed at the front side or the rear side of the mouthpiece barrel 14.
The blocking explosion-proof material 4 in this embodiment may be a honeycomb-shaped aluminum alloy material. The installation requirements of the barrier blast-proof material 4 and the device meet the 5.4 regulations in the AQ3001-2005 standard.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A combined device for storing and filling barrier explosion-proof fuel with a pump comprises a base (1) and a storage tank (2) arranged on the base (1) along the vertical direction; the explosion-proof storage tank is characterized in that the inner upper part of the storage tank (2) is of an explosion-proof structure filled with a blocking explosion-proof material (4); storage tank (2) top is equipped with liquid outlet (5), inlet (6) and level gauge (7), explosion-proof structure and storage tank (2) lower part intercommunication are passed downwards to inlet (6), explosion-proof structure to storage tank (2) bottom is passed downwards to level gauge (7), be equipped with stay tube (8) that pass explosion-proof structure to storage tank (2) bottom downwards on liquid outlet (5), stay tube (8) bottom is equipped with pump (9), pipeline (10) and liquid outlet (5) intercommunication in pump (9) through wearing to locate stay tube (8).
2. The combined barrier explosion-proof fuel storage and filling device with the pump as claimed in claim 1, wherein the storage tank (2) comprises a tank body (11) and an upper end enclosure (12) and a lower end enclosure (13) at the upper end and the lower end of the tank body; the lower part level of upper cover (12) is equipped with baffle (3), the space intussuseption that baffle (3) and upper cover (12) enclose is filled with separation explosion-proof material (4) and is formed explosion-proof structure, be equipped with the through-hole on baffle (3), liquid outlet (5), inlet (6) and level gauge (7) are located on upper cover (12).
3. The combined barrier explosion-proof fuel storage and filling device with the pump as claimed in claim 2, wherein a mouthpiece holder cylinder (14) is vertically arranged at the top of the upper end enclosure (12), a mouthpiece holder cover (15) is arranged at the top end of the mouthpiece holder cylinder (14), the liquid level meter (7) is vertically fixed on the mouthpiece holder cover (15), and a liquid level meter sleeve (16) is arranged outside the liquid level meter (7) and in the mouthpiece holder cylinder (14); an explosion-proof blocking material (4) is filled between the interface seat cylinder (14) and the liquid level meter sleeve (16); the liquid level meter sleeve (16) is arranged along the vertical direction, the upper end of the liquid level meter sleeve is fixed on the interface seat cover (15), the liquid level meter sleeve downwards penetrates through the explosion-proof structure, the lower end of the liquid level meter sleeve extends into the position below the partition plate (3), and through holes are uniformly distributed in the liquid level meter sleeve.
4. A combined barrier explosion-proof fuel storage and filling device with pump according to claim 3, wherein the mouthpiece cylinder (14) is provided with a one-way check valve (17); the connector seat cover (15) is provided with a ball valve (18), a safety valve (19) and a breather valve (20) which are communicated with the space between the connector seat cylinder (14) and the liquid level meter sleeve (16).
5. The combined barrier explosion-proof fuel storage and filling device with the pump as claimed in claim 2, wherein a support sleeve (21) is arranged on the upper sealing head (12) and outside the support pipe (8), and a support pipe cover plate (22) is arranged at the top end cover of the support sleeve (21); the supporting tube (8) is arranged along the vertical direction, and the upper end of the supporting tube is fixed on the supporting tube cover plate (22); the liquid outlet (5) is arranged on the supporting pipe cover plate (22) and is communicated with the upper end of the pipeline (10); the supporting sleeve (21) is arranged along the vertical direction, penetrates through the explosion-proof structure downwards, the lower end of the supporting sleeve extends into the lower portion of the partition plate (3), and through holes are uniformly distributed in the part, located in the storage tank (2), of the supporting sleeve.
6. Combined barrier and explosion proof fuel storage and filling device with pump according to claim 5, characterized in that a sieve (23) is provided at the inlet of the pump (9); the pump (9) is provided with a power line (24), the power line (24) penetrates through the support sleeve (21) and penetrates out of the support sleeve cover plate (22) upwards, and the part of the power line, which is located in the support sleeve (21), is sleeved with an explosion-proof sealing sleeve (25).
7. The combined barrier explosion-proof fuel storage and filling device with the pump according to claim 2, wherein a liquid inlet pipe (26) which penetrates through the explosion-proof structure downwards to the bottom of the tank body (11) is arranged on the upper sealing head (12) along the vertical direction, and the liquid inlet (6) is arranged at the top end of the liquid inlet pipe (26) and is a DC + A type quick connector.
8. The combined barrier explosion-proof fuel storage and filling device with a pump according to claim 7, wherein the part of the liquid inlet pipe (26) located at the partition plate (3) and located in the storage tank (2) is filled with the barrier explosion-proof material (4), and the parts provided with the barrier explosion-proof material (4) are uniformly provided with through holes.
9. The combined barrier explosion-proof fuel storage and filling device with the pump as claimed in claim 2, wherein the liquid level meter (7) is arranged in the center of the upper sealing head (12), and the liquid inlet (6) and the liquid outlet (5) are arranged on two sides of the liquid level meter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921765216.1U CN211055862U (en) | 2019-10-21 | 2019-10-21 | Separation explosion-proof type fuel storage and filling combined device with pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921765216.1U CN211055862U (en) | 2019-10-21 | 2019-10-21 | Separation explosion-proof type fuel storage and filling combined device with pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211055862U true CN211055862U (en) | 2020-07-21 |
Family
ID=71585404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921765216.1U Expired - Fee Related CN211055862U (en) | 2019-10-21 | 2019-10-21 | Separation explosion-proof type fuel storage and filling combined device with pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211055862U (en) |
-
2019
- 2019-10-21 CN CN201921765216.1U patent/CN211055862U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211055862U (en) | Separation explosion-proof type fuel storage and filling combined device with pump | |
| CN204942668U (en) | A kind of fire-retardant breather valve | |
| CN102644479B (en) | Automatic water drainage device for gas extraction | |
| CN204100671U (en) | A kind of reservoir | |
| CN201999379U (en) | Water-storing water-transporting device matched with water purifier for use | |
| CN216824930U (en) | High-efficient horizontal water diversion tank | |
| CN211055854U (en) | High-level automatic fuel filling combined supply device | |
| CN217698205U (en) | Automatic liquid discharge device of vacuum filter by utilizing Tesla valve | |
| CN212236090U (en) | Biomass biogas slurry reflux defoaming device | |
| CN211216007U (en) | TMA tail gas treatment device at front end of vacuum pump | |
| CN202628182U (en) | Full-automatic water drainer for gas extraction | |
| CN210406700U (en) | Water circulating device for aquaculture | |
| CN202925598U (en) | Silence type pipeline non-negative pressure water supply device | |
| CN203029870U (en) | Water absorption module of remote water supply system | |
| CN208040724U (en) | A kind of river pond diving pump protector | |
| CN218164021U (en) | Wall-mounted laminar flow water pusher | |
| CN201722176U (en) | Blue green algae separating and collecting device | |
| CN207755835U (en) | A kind of diffusional filter | |
| CN205150789U (en) | Alcohol storage tank of easy stirring | |
| CN207064109U (en) | Diesel generating set overhead reservoir | |
| CN205667746U (en) | A kind of sewage-treatment plant high efficiency filter cylinder | |
| CN210153301U (en) | Microporous filtering composite double-port air inlet and outlet valve | |
| CN210470925U (en) | Pickling device for preparing pickles | |
| CN216520893U (en) | Oil supply system for thin oil sealed gas tank | |
| CN217462682U (en) | Self-priming pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20211021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |