CN208012094U - A kind of low-loss air energy heat pump water heater - Google Patents
A kind of low-loss air energy heat pump water heater Download PDFInfo
- Publication number
- CN208012094U CN208012094U CN201820440089.7U CN201820440089U CN208012094U CN 208012094 U CN208012094 U CN 208012094U CN 201820440089 U CN201820440089 U CN 201820440089U CN 208012094 U CN208012094 U CN 208012094U
- Authority
- CN
- China
- Prior art keywords
- water tank
- air energy
- pipeline
- low
- heat pump
- 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
Abstract
The utility model provides a kind of low-loss air energy heat pump water heater, belongs to technical field of air energy.This low-loss air energy heat pump water heater, including water tank, compressor, expansion valve, evaporator and hydrops case, the upper end of water tank is equipped with hot water outlet, the lower end of water tank is equipped with cooling water inlet, there is condenser coil in water tank, it is connected by pipeline between hydrops case and expansion valve, pipeline between hydrops case and expansion valve is equipped with filter, the lower end that pipeline between evaporator and compressor is equipped with gas-liquid separator gas-liquid separator is connected with catheter, the other end of catheter is equipped with the annular coil pipe being coated on water tank lateral wall, annular coil pipe is formed by inner ring and is connected with heat dissipation wall, heat dissipation wall is attached at tank outer wall, annular coil pipe lower end is connected by pipeline with hydrops case, heat dissipation wall lower end is connected by pipeline with hydrops case, water tank has also picked out cycle floor heating pipe.The utility model not only function diversification, and efficiency of heating surface height.
Description
Technical field
The utility model belongs to technical field of air energy, is related to a kind of low-loss air energy heat pump water heater.
Background technology
Requirement with people's expanding economy people to quality of life is also higher and higher.Requirement of the people to bathing of having a shower
Also higher and higher, gas heater, electric heater, solar water heater all much can not meet people to comfortable energy saving and safe
Needs.In European and American developed countries, the ratio that hot water or cold water uses is 1:9 (China is 9:1), the cold water of American-European countries is only drunk
With or flush the toilet, carwash use, and in other respects all be use hot water.The occupation rate of market of American-European countries's Household central hot water device exists
90% or more, (China is less than 3%).
In addition the consumption of the energy not only aggravates the increasingly in short supply and exhausted of fossil fuel, but also has seriously polluted the environment, empty
Gas energy heat pump has been widely applied in industry, business and each building such as civilian, for existing as a kind of power-saving technology
Air energy heat pump functionality it is relatively single, the usability of the energy is not strong enough.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of low-loss air energy
Teat pump boiler.
The purpose of this utility model can be realized by following technical proposal：A kind of low-loss air energy heat pump hot water
Device, including water tank, compressor, expansion valve, evaporator and hydrops case, which is characterized in that the upper end of the water tank goes out equipped with hot water
Mouthful, the lower end of water tank is equipped with cooling water inlet, has condenser coil in the water tank, passes through pipe between the hydrops case and expansion valve
Road be connected, be connected by pipeline between expansion valve and evaporator, be connected by pipeline between evaporator and compressor, compressor with
The other end of hydrops case is connected to the top and bottom of condenser coil in water tank, the hydrops case and expansion valve by pipeline
Between pipeline be equipped with filter, pipeline between evaporator and compressor is equipped under gas-liquid separator gas-liquid separator
End is connected with catheter, and the other end of the catheter is equipped with the annular coil pipe being coated on water tank lateral wall, annular coil pipe
Be formed by inner ring and be connected with heat dissipation wall, the heat dissipation wall is attached at tank outer wall, the annular coil pipe lower end by pipeline with
Hydrops case is connected, and the heat dissipation wall lower end is connected by pipeline with hydrops case, and the water tank has also picked out cycle floor heating pipe, floor heating
The both ends of pipe are through in water tank.
There is refrigerant in hydrops case, refrigerant passes sequentially through filter, expansion valve, evaporator, gas-liquid separator, compression
Condenser coil in machine and water tank, finally again by the condenser coil in water tank back into hydrops case, wherein refrigerant divides into gas-liquid is crossed
When from device, hydrops case can be returned by annular coil pipe by forming the refrigerant of liquid, and gaseous state enters condenser coil by compressor.
Liquid refrigerant can become the moist steam of low-temp low-pressure when passing through expansion valve, then absorb heat in evaporator, finally by condensation
Coil pipe and annular coil pipe transfer heat in the water in water tank, make its heating.Floor heating pipe is installed under indoor floor, utilizes water
Hot water flows into floor heating pipe in case, can be heated to floor, has preferable heating effect.
In above-mentioned low-loss air energy heat pump water heater, insulating layer is additionally provided on the outside of the annular coil pipe.
Insulating layer may be used the chronic foamed material that conducts heat and be made, can be with the diverging of heat in effective protection water tank.
In above-mentioned low-loss air energy heat pump water heater, the evaporator side is additionally provided with scavenger fan.
Using the above structure, the circulation of air can be accelerated using scavenger fan so that evaporator sustainable can absorb it
Heat on side in air improves the endothermic effect of evaporator.
In above-mentioned low-loss air energy heat pump water heater, the pipe between the upper end and compressor of the condenser coil
Road is equipped with circulating pump one, and the floor heating pipe is equipped with circulating pump two, and the floor heating pipe both ends are additionally provided with valve.
Using the above structure, the mobility that refrigerant can be improved using circulating pump one improves the conversion of the energy, utilizes
Circulating pump two can accelerate the flowing of hot water in floor heating pipe, floor heating pipe to be generally set under the floor in room, floor heating pipe heat dissipation pair
Floor is heated, and has good heating effect, when temperature is relatively high, can be passed through valve and be stopped heat in water tank
Water flows into floor heating pipe.
In above-mentioned low-loss air energy heat pump water heater, the water tank bottom is additionally provided with spare electrically heated rod.
Electrically heated rod is connected with power input, can be used simultaneously electrically heated rod and air-energy, in the colder feelings of weather
Under condition, the heating effect of water in water tank is improved.
In above-mentioned low-loss air energy heat pump water heater, this low-loss air energy heat pump water heater further includes machine
Shell, above-mentioned compressor, expansion valve, evaporator and hydrops case are respectively positioned in casing, and ventilation mouth and gas outlet are provided on the casing.
Using the above structure, multiple accessories are integrated together, are convenient for the carrying and placement of people, to the accessory of its inside
Play protecting effect.
In above-mentioned low-loss air energy heat pump water heater, the scavenger fan is located at ventilation mouth end, the ventilation
Mouth is equipped with the filtering for filtering travel fatigue and blocks.
Using the above structure, the tidiness in casing can be kept, improves the service life of accessory in casing indirectly.
In above-mentioned low-loss air energy heat pump water heater, the section of the ventilation mouth and gas outlet is in round shape,
And its outer wall has external thread structure, and dismountable ventilation duct, the ventilation duct are respectively connected on the ventilation mouth and gas outlet
The upper internal thread structure being mutually matched with the external thread structure with ventilation mouth and gas outlet.
Using the above structure, encounter indoor weather it is hotter in the case of, can will ventilation mouth be connected with the air hose of gas outlet
To interior, there is refrigeration effect, air energy heat pump water heater function is adequately utilized, not only increases the comfort of people,
Cost payout can be reduced again.Ventilation duct can be unloaded when not in use.
In above-mentioned low-loss air energy heat pump water heater, the bottom of shell is set there are four can respective independent-lifting
Installation foot, the installation foot includes mobile jib and adjusting rod.
Casing is typically placed on outdoor platform, and the setting of installation foot, which can avoid ponding, influences the accessory to casing,
Unnecessary loss, the controllability of installation foot is caused to provide more feasibilities for people.Mobile jib is directly connected in casing
Bottom, and on mobile jib have several location holes being vertically arranged, adjusting rod be hollow sleeve on mobile jib lower end, adjusting rod have with
The mounting hole that location hole is mutually matched, the two are connected by screw rod with nut.
Compared with prior art, there is the following the advantages of this low-loss air energy heat pump water heater：
1, this low-loss air energy heat pump water heater carries out two with condenser coil using annular coil pipe to the water in water tank
Secondary heating improves the heating effect of water tank.
2, the water tank in this low-loss air energy heat pump water heater is further connected with floor heating pipe, can be accelerated using circulating pump two
The flowing of hot water in floor heating pipe, floor heating pipe heat dissipation heat floor, have good heating effect, relatively high in temperature
When, can pass through valve stop water tank in hot water flow into floor heating pipe.
3, the air hose setting taken a breath in this low-loss air energy heat pump water heater outside mouth and gas outlet, is encountering indoor day
In the case that gas is warmmer, the air hose of take a breath mouth and gas outlet can be connected to interior, there is refrigeration effect, sky is adequately utilized
Gas energy heat pump water heater function not only increases the comfort of people, and can reduce cost payout.It when not in use can be with
Ventilation duct is unloaded.
Description of the drawings
Fig. 1 is the structural schematic diagram of this low-loss air energy heat pump water heater.
Fig. 2 is the vertical view of floor heating pipe and water tank in this low-loss air energy heat pump water heater.
Fig. 3 is the internal structure schematic diagram of water tank in this low-loss air energy heat pump water heater.
Fig. 4 is that this low-loss air energy heat pump water heater heat dissipation wall is associated with schematic diagram with water tank.
Fig. 5 is the schematic diagram of ventilation mouth in this low-loss air energy heat pump water heater.
In figure, 1, water tank；2, compressor；3, expansion valve；4, evaporator；5, hydrops case；6, hot water outlet；7, cold water into
Mouthful；8, condenser coil；9, pipeline；10, filter；11, gas-liquid separator；12, catheter；13, annular coil pipe；14, radiate wall；
15, insulating layer；16, scavenger fan；17, circulating pump one；18, electrically heated rod；19, casing；20, ventilation mouth；21, gas outlet；22,
Filtering block；23, mobile jib；24, adjusting rod；25, floor heating pipe；26, circulating pump two；27, valve.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figs. 1-5, this low-loss air energy heat pump water heater, including water tank 1, compressor 2, expansion valve 3, evaporation
The upper end of device 4 and hydrops case 5, water tank 1 is equipped with hot water outlet 6, and the lower end of water tank 1 is equipped with cooling water inlet 7, has in water tank 1 cold
Solidifying coil pipe 8, is connected by pipeline 9 between hydrops case 5 and expansion valve 3, is connected by pipeline 9 between expansion valve 3 and evaporator 4,
It is connected by pipeline 9 between evaporator 4 and compressor 2, the other end of compressor 2 and hydrops case 5 is connected to by pipeline 9
The top and bottom of condenser coil 8 in water tank 1, the pipeline 9 between hydrops case 5 and expansion valve 3 are equipped with filter 10, annular disk
13 outside of pipe is additionally provided with insulating layer 15, and insulating layer 15 may be used the chronic foamed material that conducts heat and be made, can be with effective protection water
The diverging of heat in case 1.4 side of evaporator is additionally provided with scavenger fan 16, can accelerate the circulation of air using scavenger fan 16,
Enable the sustainable heat absorbed on its side in air of evaporator 4, improves the endothermic effect of evaporator 4.Condenser coil 8
Pipeline 9 between upper end and compressor 2 is equipped with circulating pump 1, and the flowing of refrigerant can be improved using circulating pump 1
Property, improve the conversion of the energy.
The lower end that pipeline 9 between evaporator 4 and compressor 2 is equipped with 11 gas-liquid separator 11 of gas-liquid separator is connected with
Catheter 12, the other end of catheter 12 are equipped with the annular coil pipe 13 being coated on 1 lateral wall of water tank, 13 shapes of annular coil pipe
At inner ring be connected with heat dissipation wall 14, heat dissipation wall 14 be attached at 1 outer wall of water tank, 13 lower end of annular coil pipe passes through pipeline 9 and hydrops
Case 5 is connected, and heat dissipation 14 lower end of wall is connected by pipeline 9 with hydrops case 5.
Water tank 1 has also picked out cycle floor heating pipe 25, and the both ends of floor heating pipe 25 are through in water tank 1.It is set on floor heating pipe 25
There are circulating pump 2 26,25 both ends of floor heating pipe to be additionally provided with valve 27, can accelerate hot water in floor heating pipe 25 using circulating pump 2 26
Flowing, for floor heating pipe 25 generally under the floor in room, the heat dissipation of floor heating pipe 25 heats floor, has good heating
Effect can pass through the hot water that valve 27 stops in water tank 1 and flow into floor heating pipe 25 when temperature is relatively high.1 bottom of water tank
It is additionally provided with spare electrically heated rod 18, electrically heated rod 18 is connected with power input, can be used simultaneously electrically heated rod 18 and air energy
Source, it is colder in weather, improve the heating effect of water in water tank 1.
This low-loss air energy heat pump water heater further includes casing 19, above-mentioned compressor 2, expansion valve 3,4 and of evaporator
Hydrops case 5 is respectively positioned in casing 19, and ventilation mouth 20 and gas outlet 21 are provided on casing 19.Using the above structure, by multiple accessories
It is integrated together, is convenient for the carrying and placement of people, protecting effect is played to the accessory of its inside.Scavenger fan 16 is located at ventilation
20 ends of mouth, ventilation mouth 20 are equipped with the filtering block 22 for filtering travel fatigue.The tidiness in casing 19 can be kept, is improved indirectly
The service life of accessory in casing 19.The section of ventilation mouth 20 and gas outlet 21 is in round shape, and its outer wall has external screw thread knot
Structure is respectively connected with dismountable ventilation duct on take a breath mouth 20 and gas outlet 21, has on ventilation duct and ventilation mouth 20 and gas outlet
The internal thread structure that 21 external thread structure is mutually matched.Encounter indoor weather it is hotter in the case of, can by take a breath 20 He of mouth
The air hose of gas outlet 21 is connected to interior, has refrigeration effect, air energy heat pump water heater function is adequately utilized, not only carries
The high comfort of people, and cost payout can be reduced.Ventilation duct can be unloaded when not in use.19 bottom of casing is set
There are four can respectively independent-lifting installation foot, installation foot includes mobile jib 23 and adjusting rod 24.Casing 19 is typically placed in outdoor
Platform on, installation foot setting can avoid ponding influence to the accessory in casing 19, cause unnecessary loss, installation foot
Controllability provides more feasibilities for people.Mobile jib 23 is directly connected in 19 bottom of casing, and if having on mobile jib 23
The dry location hole being vertically arranged, adjusting rod 24 is hollow sleeve to be had and mutual of location hole on 23 lower end of mobile jib, adjusting rod 24
The mounting hole matched, the two are connected by screw rod with nut.
Concrete operating principle：Refrigerant in hydrops case 5, refrigerant pass sequentially through filter 10, expansion valve 3, evaporator
4, the condenser coil 8 in gas-liquid separator 11, compressor 2 and water tank 1, finally again by the condenser coil 8 in water tank 1 back into hydrops
Into when crossing gas-liquid separator 11, hydrops case can be returned by annular coil pipe 13 by forming the refrigerant of liquid for case 5, wherein refrigerant
5, gaseous state enters condenser coil 8 by compressor 2.Liquid refrigerant advanced can cross filter 10 and carry out boiler when work, then
Liquid refrigerant is transformed into the moist steam of low-temp low-pressure using expansion valve 3, the then heat absorption in evaporator 4, after heat absorption
Gaseous refrigerant can flow to gas-liquid separator 11, and the refrigerant for having condensed into liquid can be sent into catheter by gas-liquid separator 11
12, the refrigerant of liquid is sent into annular coil pipe 13 by catheter 12, and residual temperature is transferred to water tank 1.Gas-liquid separator 11 will be complete
Gaseous refrigerant enters condenser coil 8 by compressor 2, is quickly heated to water in water tank 1.When need utilize floor heating pipe 25
When, circulating pump 2 26 and valve 27 can be opened and draw hot water in water tank 1 such as floor heating pipe 25, using floor heating pipe 25 heat dissipation over the ground
Plate is heated.When encounter indoor weather it is hotter in the case of, the air hose of take a breath mouth 20 and gas outlet 21 can be connected to room
It is interior, there is refrigeration effect, air energy heat pump water heater function is adequately utilized, improves the comfort of people.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein water tank 1, compressor 2, expansion valve 3, evaporator 4, hydrops case 5, hot water outlet 6,
Cooling water inlet 7, condenser coil 8, pipeline 9, filter 10, gas-liquid separator 11, catheter 12, annular coil pipe 13, heat dissipation wall 14,
Insulating layer 15, scavenger fan 16, circulating pump 1, electrically heated rod 18, casing 19, ventilation mouth 20, gas outlet 21, filtering block
22, the terms such as mobile jib 23, adjusting rod 24, floor heating pipe 25, circulating pump 2 26, valve 27, but be not precluded using other terms
Possibility.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as
Any one of the additional limitations is all contrary to the spirit of the present invention.
Claims (9)
1. a kind of low-loss air energy heat pump water heater, including water tank, compressor, expansion valve, evaporator and hydrops case, special
Sign is that the upper end of the water tank is equipped with hot water outlet, and the lower end of water tank is equipped with cooling water inlet, has condensate pans in the water tank
Pipe, be connected by pipeline between the hydrops case and expansion valve, be connected by pipeline between expansion valve and evaporator, evaporator and
It is connected by pipeline between compressor, the other end of compressor and hydrops case is connected to condenser coil in water tank by pipeline
Top and bottom, pipeline between the hydrops case and expansion valve is equipped with filter, the pipe between evaporator and compressor
Road is equipped with gas-liquid separator, and the lower end of gas-liquid separator is connected with catheter, and the other end of the catheter is equipped with cladding
In the annular coil pipe on water tank lateral wall, annular coil pipe is formed by inner ring and is connected with heat dissipation wall, and the heat dissipation wall is attached at water
Box outer wall, the annular coil pipe lower end are connected by pipeline with hydrops case, and the heat dissipation wall lower end passes through pipeline and hydrops case phase
Even, the water tank has also picked out cycle floor heating pipe, and the both ends of floor heating pipe are through in water tank.
2. a kind of low-loss air energy heat pump water heater according to claim 1, which is characterized in that the annular coil pipe
Outside is additionally provided with insulating layer.
3. a kind of low-loss air energy heat pump water heater according to claim 2, which is characterized in that the evaporator one
Side is additionally provided with scavenger fan.
4. a kind of low-loss air energy heat pump water heater according to claim 3, which is characterized in that the condenser coil
Upper end and compressor between pipeline be equipped with circulating pump one, the floor heating pipe be equipped with circulating pump two, the floor heating pipe two
End is additionally provided with valve.
5. a kind of low-loss air energy heat pump water heater according to claim 4, which is characterized in that the water tank bottom
It is additionally provided with spare electrically heated rod.
6. a kind of low-loss air energy heat pump water heater according to claim 5, which is characterized in that this low-loss sky
Gas energy Teat pump boiler further includes casing, and above-mentioned compressor, expansion valve, evaporator and hydrops case are respectively positioned in casing, the machine
Ventilation mouth and gas outlet are provided on shell.
7. a kind of low-loss air energy heat pump water heater according to claim 6, which is characterized in that the scavenger fan
Positioned at ventilation mouth end, the ventilation mouth is equipped with the filtering for filtering travel fatigue and blocks.
8. a kind of low-loss air energy heat pump water heater according to claim 7, which is characterized in that the ventilation mouth and
The section of gas outlet is in round shape, and its outer wall has external thread structure, is respectively connected on the ventilation mouth and gas outlet removable
The ventilation duct unloaded has the internal thread structure that the external thread structure with ventilation mouth and gas outlet is mutually matched on the ventilation duct.
9. a kind of low-loss air energy heat pump water heater according to claim 8, which is characterized in that the bottom of shell
If there are four can respectively independent-lifting installation foot, the installation foot includes mobile jib and adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440089.7U CN208012094U (en) | 2018-03-29 | 2018-03-29 | A kind of low-loss air energy heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440089.7U CN208012094U (en) | 2018-03-29 | 2018-03-29 | A kind of low-loss air energy heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012094U true CN208012094U (en) | 2018-10-26 |
Family
ID=63891493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820440089.7U Expired - Fee Related CN208012094U (en) | 2018-03-29 | 2018-03-29 | A kind of low-loss air energy heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023222A (en) * | 2019-12-28 | 2020-04-17 | 龚雪 | Energy-saving environment-friendly heating ventilation air conditioning equipment combined with solar energy |
-
2018
- 2018-03-29 CN CN201820440089.7U patent/CN208012094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023222A (en) * | 2019-12-28 | 2020-04-17 | 龚雪 | Energy-saving environment-friendly heating ventilation air conditioning equipment combined with solar energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104329759B (en) | Temperature control dehumidification system and temperature control dehumidification method for fresh air of radiation air conditioner | |
| CN103398433B (en) | The air conditioning system that evaporation cooling, solar energy combine with quasiconductor | |
| CN103743020B (en) | A kind of two temperature radiation room air conditioners processing new wind | |
| CN208012094U (en) | A kind of low-loss air energy heat pump water heater | |
| CN204329216U (en) | The integral air conditioner unit that evaporative cooling combines with mechanical refrigeration | |
| CN105674628B (en) | Bath bed waste water residual heat source air-conditioning hot water integrated machine and its application method | |
| CN105202655A (en) | Novel humidifying heat pump air conditioner | |
| CN104315636B (en) | Air conditioning system based on phase change heating balloon radiator coupled with phase change ice crystal tank cold releasing device | |
| CN209978375U (en) | Instant heating type heat pump water heater for shower | |
| CN103225850B (en) | A kind of silent air-conditioning system | |
| CN209672515U (en) | A kind of ducting system of Air Conditioning System energy focus utilization | |
| CN207763169U (en) | A kind of condensed-water evaporative-type condenser | |
| CN108072187A (en) | A kind of tent of the heat pump assembly with dehumidification function | |
| CN202024428U (en) | Coiling evaporation cooling and air-cooled heat pump combined cold and hot water machine set | |
| CN208186902U (en) | Round-the-clock air energy thermal pump air conditioner system | |
| CN102168897B (en) | Compact type integrated cold/hot water unit with double evaporating and cooling coil pipes and air-cooled heat pump | |
| CN207350617U (en) | Evaporative cooling and the united split air conditioner air-conditioning system of mechanical refrigeration | |
| CN205980430U (en) | Cold warm water trigeminy supplies effect to experience device | |
| CN206959331U (en) | A kind of efficiently recuperation of heat Teat pump boiler | |
| CN1208595C (en) | Heat accumulating and conducting central air conditioner | |
| CN205561342U (en) | Bathing bed waste water waste heat source air conditioning and water heating all -in -one machine | |
| CN205090660U (en) | High -efficient air conditioning and water heating all -in -one machine of pond three valves of formula cross conversion combination | |
| CN208419265U (en) | A kind of decorative energy-saving Cooling and Heat Source machine | |
| CN207317151U (en) | A kind of cold-warm water air conditioner integrated machine | |
| CN108278700A (en) | A kind of air energy chilling air conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 |