CN2550687Y - Heat exchanger and water heater - Google Patents
Heat exchanger and water heater Download PDFInfo
- Publication number
- CN2550687Y CN2550687Y CN 02237502 CN02237502U CN2550687Y CN 2550687 Y CN2550687 Y CN 2550687Y CN 02237502 CN02237502 CN 02237502 CN 02237502 U CN02237502 U CN 02237502U CN 2550687 Y CN2550687 Y CN 2550687Y
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- base
- heat
- cover
- room
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000002887 superconductor Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 50
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Details Of Fluid Heaters (AREA)
Abstract
The utility model discloses a heat exchanger and a water heater which utilize the vacuum superconductor technology. The heat exchanger is arranged on the topside of a combustion device in the water heater, which comprises a cylinder, a water inlet pipe and a water outlet pipe, wherein the cylinder comprises a hollow base and a cylinder cover, a plurality of tubular heat conduction parts are arranged on the topside of the base, the insides of the tubular heat conduction parts are communicated with the inside of the base, the insides of the base and the tubular heat conduction parts are vacuumized and filled with superconductor material to form the form of a vacuum superconductor; the water inlet pipe is arranged on the downside of one end of the cylinder cover, extends to the bottom part of a first containing chamber and corresponds to a vacuum superconductor; the water outlet pipe is arranged on the downside of the other end of the cylinder cover; thus, through utilizing the heat exchanger of the vacuum superconductor technology, the heat conduction efficiency is good, and the gas consumption of the water heater can be reduced.
Description
Technical field
The utility model is relevant with kitchen tools, more detailed is meant a kind of heat exchanger and water heater that utilizes the superconducting body technique.
Background technology
As shown in Figure 1, gas heater 1 inside of traditional water ignition type includes members such as water pond 2, pressure differential disc 3, gas cock 4, magnetic valve 5 and burner 6 (fire row), heat exchanger 7 substantially, wherein, water pond 2 is located on the gas cock 4 with pressure differential disc 3, magnetic valve 5 is arranged on the pressure differential disc 3, burner 6 connects pressure differential disc 3, and heat exchanger 7 is positioned at burner 6 top sides.Water pond 2 is in order to drive gas cock 4, and then control gas flows to the action and the flow of pressure differential disc 3, pressure differential disc 3 is mainly in order to the unlatching of controlling gas and the action that branches to burner 6, magnetic valve 5 usefulness are so that pressure differential disc 3 can be stablized the gas that supply branches to burner 6, and burner 6 is burnt the gas that gas cock 4 transported and is produced flame, and then provide heat exchanger 7 heat energy, and the cold water in the inflow heat exchanger 7 can absorb that heat energy becomes hot water and heat outputting hydrophone 1 gives user's use.
Because the heat exchanger of traditional gas heater is general water tank, for making the cold water in the heat exchanger can become hot water fast, the bocca number of common burner all a lot of (13 rows or 15 rows), base this, need a large amount of air when not only burning, and can produce a large amount of waste gas after the burning, though there is the gas heater of forced exhaust design the market at present, and in order to avoid taking place the danger of anthracemia, only, it still can't change the fact that the waste gas of being discharged can influence air quality; Secondly, the bocca number of burner more expends gas when the more burning, and the heat energy that is produced during burner combustion often can't pass to heat exchanger fully and the loss of heat energy is arranged, and highlights the fact of wasting gas more.
Summary of the invention
The main purpose of the utility model is to provide a kind of heat conduction efficiency good and can apply to heat exchanger in the gas heater.
Another purpose of the utility model is to provide a kind of gas heater that reduces the bocca number of burner and then reduce the gas demand, and it can improve the last elasticity of internals design.
For achieving the above object, the utility model is taked following design: a kind of heat exchanger, can be arranged at burner top side, one of water heater inside, the water that utilizes heat energy will flow to its inside is heated to predetermined temperature and output in order to absorb the heat energy that is produced when this burner burns, it is characterized in that: it includes: a cylindrical shell, constituted by a hollow base and a cover, this base top side is provided with some tubulose heat-conducting parts, respectively this tubulose heat-conducting part is inner and be connected with base inside, and this base is inner with the tubulose heat-conducting part to be to vacuumize the kenel that refills superconductor material and form the superconducting body; One oral siphon is arranged at this cover one bottom side, is bottom and the corresponding superconducting body that extends to this first room; One outlet pipe is arranged at this cover bottom side in addition.
A kind of water heater is characterized in that: include: a casing; One gas cock is arranged in this casing; One burner connects this gas cock, produces heat energy in order to burning; One control device is arranged on this gas cock, could flow to burner for igniting in order to the gas of controlling in this gas cock; One water pond is arranged on this gas cock, in order to driving gas cock, and then the action and the flow of control gas flow control apparatus; One heat exchanger, be arranged at this burner top side, comprise: a cylindrical shell, one of place on this base cover to be constituted by a hollow base and lid, this base top side also is provided with some tubulose heat-conducting parts, respectively this tubulose heat-conducting part is inner and be connected with base inside, and this base is inner with the tubulose heat-conducting part to be to vacuumize the kenel that refills superconductor material and form the superconducting body; One oral siphon is arranged at this cover one bottom side, extends to the bottom and the corresponding superconducting body of this first room; One outlet pipe is arranged at this cover bottom side in addition.
The utility model has the advantages that: 1, this heat exchanger 10 is the technology of utilization superconducting body, therefore, its heat conduction efficiency is good, hear rate is few, in order to do the water tank that can replace in this water heater of traditional tile, make this gas heater can obtain the bocca quantity of minimizing burner, reduce the gas demand, reduce the advantage that burning is waste gas produced, meet the environmental protection notion.2, secondly, by the setting of this superheater 62, the gas heater 50 of this utilization heat exchanger 10 also has the function of cut-out gas supply when overheated.3, this cover 24 is to make so that aluminum alloy material is one-body molded, the surface and with iron not the dragon (TEFLOM COATING) make water-proofing treatment.4, oral siphon 14 is the bottom that cold water is imported first room 40 in this heat exchanger 10, thus, water in this first room 40 not only can be heated by the superconducting body, and, utilize the principle of hot water rising, cold water decline, can make these first room, 40 interior water generates convection current and become hot water rapidly, and then promote the efficiency of heating surface.5, this heat exchanger inside can be provided with the barrier flaps of predetermined number or not be provided with, and in order to do the heat exchanger inner area can being separated out some rooms, and then making this heat exchanger have once heating or repeatedly repeats the effect of heating.6, this heat exchanger inside is not limit one or two cylindrical shell only is set, and more can form heat exchanger by the cylindrical shell more than two, in order to do the gas off-take that can be convenient to the waste gas discharge in the inboard formation one of each cylindrical shell.
Description of drawings
Fig. 1 is a habit formula water heater structural representation
Fig. 2 is the schematic diagram of the utility model one preferred embodiment
Fig. 3 is top side and the part cutaway view of Fig. 2
Fig. 4 is the user mode figure of the utility model one preferred embodiment, shows the flow regime of water in the heat exchanger
Fig. 5 is that the utility model one preferred embodiment applies to the schematic diagram in the gas heater
Fig. 6 is the schematic diagram of another preferred embodiment of the utility model
Fig. 7 is top side and the part cutaway view of Fig. 6
Fig. 8 is the utility model schematic diagram of a preferred embodiment again
Fig. 9 is the schematic diagram of the another preferred embodiment of the utility model
Figure 10 is the utility model schematic diagram of a preferred embodiment again
Figure 11 is top side and the part cutaway view of Figure 10
The specific embodiment
At first, as Fig. 2, shown in Figure 3, the heat exchanger 10 of the utility model one preferred embodiment, include a cylindric cylindrical shell 12, this cylindrical shell 12 one of places on this base 22 cover 24 to be constituted by a hollow base 22 and lid, this base 22 is made with copper material, this cover 24 is made so that aluminum alloy material is one-body molded, the surface and with iron not the dragon (TEFLOM COATING) make water-proofing treatment, this base 22 has a base plate 26, one opening top cover 28 down, weldering is located on this base plate 26, be used to the two formation one spatial accommodation 30, most root tubulose heat-conducting parts 32, weldering is located at these top cover 28 top sides and is communicated with spatial accommodation 30, the numerical table face dashes the conducting strip 36 that is provided with hole 34, it is copper sheet, with parallel surface the mode of top cover 28 tightly is placed in respectively on this tubulose heat-conducting part 32, the spatial accommodation 30 of this base 22 and tubulose heat-conducting part 32 inside are to refill superconductor material behind the state that is evacuated, make this base 22 and each tubulose heat-conducting part 32 form the form of a superconducting body, this cover 24 is covered on the base 22 in the mode of welding, and on the practice, the mode that this cover 24 can also be riveted is covered and placed on the base 22; One barrier flaps 38, this top cover 28 top sides are located in weldering, in order to these top cover 28 inner spaces are separated into one first room 40 and one second room 42.
One oral siphon 14 is arranged at this cover 24 1 bottom sides, extends to the bottom and the corresponding superconducting body of this first room 40; One outlet pipe 16 is arranged at this cover 24 bottom side in addition.
But before take off the material that superconductor material is known high speed heat conduction (or claim superconduction hot body), be formulated with inorganic elements, can suppress hydrogen, oxygen molecule generation effectively, do not have the danger of blasting, and it is "dead", nontoxic, pollution-free, non-corrosiveness, the coefficient of temperature conductivity material good than his common heat conduction efficiency of tool is much higher, be with, can make this heat exchanger 10 have very high heat conduction, heat exchanger effectiveness.
By this, as shown in Figure 4, when thermal source during in the burning of this base 22 bottoms, superconducting characteristic by the superconducting body, this base 22 can absorb the heat that thermal source provides rapidly and the cold water that flows into first room 40 from this oral siphon 14 be heated soon become hot water, at this moment, be the action that the utility model is heated for the first time.And when water is in these first room, 40 overflow to the second rooms 42, can be positioned at the superconducting body heating again of this second room 42, and be the action of heating for the second time of the utility model, last, hot water can flow out via this outlet pipe 18.
Because hot water can flow out from outlet pipe 18 after superconducting body post bake before flowing out this heat exchanger 10 again, and, cold water is the bottom that is imported into first room 40, make cold water heated apace by the superconducting body, utilize the convective principles of hot water rising, cold water decline, also can promote the speed that becomes hot water.Therefore, this heat exchanger 10 not only has the effect that can rapidly cold water be heated to be hot water, and the action of heating is very certain.Secondly, because the hot transfer efficiency of superconducting body is excellent, therefore, the heat that thermal source provided is not absorbed with can almost having consume.
In view of the above, as shown in Figure 5, this heat exchanger 10 can replace known water tank and apply in the gas heater 50, this water heater 50 includes a casing 52, one gas cock 54, lock places this casing 52 bottoms, a burner 56, be arranged at this gas cock 54 top sides, the gas of exporting from this gas cock 54 in order to incendivity and produce heat energy; One control device 58 is a pressure differential disc, is arranged at this gas cock 54 1 sides, could flow to burner 56 for igniting in order to control these gas cock 54 interior gas; One water pond 60, be arranged at this gas cock 54 bottom sides, in order to drive this gas cock 54, and then control gas flows to the action and the flow of this control device 58, this heat exchanger 10, be arranged at this burner 56 top sides, this oral siphon 14 connects water pond 60, and this outlet pipe 18 connects the tap (not shown) in bathroom; Again, more include a superheater 62, be arranged on this outlet pipe 18, an enclosure 64, cover cap are in heat exchanger 10 top sides, and its lower edge also extends to this heat exchanger 10 belows.Before to take off respectively this gas cock 54, control device 58, water pond 60 and superheater 62 general identical with known person, repeat no more its detailed construction and matching relationship herein, make flowing mode.
By this, this heat exchanger 10 of the utility model can directly replace known fire row and apply in the gas heater of tradition, and need not change the inner any member of traditional gas heater.Secondly, because this heat exchanger 10 has the effect that the aforementioned hot conduction efficiency is good, thermal losses is few, it is replaced that known fire is arranged and when applying to gas heater 50, the heat that 56 burnings of this burner are produced can almost not have consume by the superconducting bulk absorption and conduct to water and reach the effect of heat exchange, therefore, burner 56 its heats that produced that burn that only need have the minority bocca can be reached the effect of heat exchange for this heat exchanger 10.
In view of the above, when gas heater uses this heat exchanger 10, can obtain the effect that reduces the burner bocca, thus, reduce the gas consumption, reduce waste gas that burning produced and also be obvious as can be known advantage certainly.
As Fig. 6, shown in Figure 7, it is the heat exchanger 70 of another preferred embodiment of the utility model, its structure is substantially with preceding to take off heat exchanger 10 identical, difference be in: corresponding first room 74 in its base 72 top sides is the connected state that is made as leap barriers 79 with the tubulose heat-conducting part 78 of second room 76.
As shown in Figure 8, it is the heat exchanger 80 of another preferred embodiment of the utility model, tool with before take off embodiment different be in: conducting strip 82 set on its each tubulose heat-conducting part 81 is made as bending, bending part 83 that can the stage casing in order to do this conducting strip 82 respectively overlaps continuously, and cooperate with barrier flaps 85 on being located at base 84, and cover 86 inner area are divided into one first room 87 and one second room 88, in order to do making this heat exchanger 80 have the effect of post bake.
Though before take off respectively this heat exchanger 10,70, but 80 all are made as the pattern of post bake, only, the technology of the utility model heat exchanger is not limited to this, as shown in Figure 9, it is the heat exchanger 90 of another preferred embodiment of the utility model, its pattern system that is arranged at the conducting strip 92 on each tubulose heat-conducting part 91 is with before to take off conducting strip 82 identical, it is overlap joint mutually that difference is in the bending part 93 in these conducting strip 92 stage casings respectively, and also there is not the barrier flaps of setting on the base 94, by this, 94 of cover 95 and bases only form a room 96, and outlet pipe 98 then is arranged at cover 95 tops, and heat supply water flows out.The base this, this heat exchanger 90 also can produce effect as described above.
As Figure 10, shown in Figure 11, it is the heat exchanger 100 of the another preferred embodiment of the utility model, it is to include two cylindrical shells 102,104, respectively the formation of this cylindrical shell 102,104 is generally with before not take off the person identical, difference is in to be made as in the section configuration system of this cylindrical shell 102,104 respectively and generally is semi-annular shape, in order to can forming a gas off-take 106 in the two, these cylindrical shell 102 tops are provided with two outlet pipes 108 link to each other with cylindrical shell 104 (this two outlet pipe 108 also is the oral siphon of cylindrical shell 104); By this, be arranged in the water heater and for burner during in the burning of its bottom, this gas off-take 106 can faster for waste gas, more successfully be discharged water heater when this heat exchanger 100.
What must one carry is, take off before these heat exchanger 100 inner set cylindrical shells are not limited to two, and each cylindrical shell disconnected and also be not limited to semi-annular shape can form the demand that a gas off-take meets the utility model in the inboard when only needing each cylindrical shell to assemble relatively.
Claims (10)
1, a kind of heat exchanger, can be arranged at burner top side, one of water heater inside, the water that utilizes heat energy will flow to its inside is heated to predetermined temperature and output in order to absorb the heat energy that is produced when this burner burns, it is characterized in that: it includes: a cylindrical shell, constituted by a hollow base and a cover, this base top side is provided with some tubulose heat-conducting parts, respectively this tubulose heat-conducting part is inner and be connected with base inside, and this base is inner with the tubulose heat-conducting part to be to vacuumize the kenel that refills superconductor material and form the superconducting body; One oral siphon is arranged at this cover one bottom side, is bottom and the corresponding superconducting body that extends to this first room: an outlet pipe is arranged at this cover bottom side in addition.
2, the heat exchanger according to claim 1 is characterized in that: this inner barrel is formed with top one of communicate first room and one second room, and the position of corresponding first room in this base top side and second room is respectively equipped with at least one tubulose heat-conducting part.
3, the heat exchanger according to claim 2 is characterized in that: more include a barrier flaps, be arranged at this base top side, in order to this inner barrel is formed top one of communicate first room and one second room.
4, the heat exchanger according to claim 3 is characterized in that: respectively more be provided with some conducting strips on this tubulose heat-conducting part.
5, the heat exchanger according to claim 4 is characterized in that: respectively be equipped with most holes on this conducting strip.
6, the heat exchanger according to claim 1, it is characterized in that: this base has a base plate, and opening top cover down is covered on this base plate, is used to the two formation one spatial accommodation, and each tubulose heat-conducting part is arranged on this top cover.
7, the heat exchanger according to claim 1 is characterized in that: respectively more be provided with a bending part on this conducting strip.
8, the heat exchanger according to claim 1 is characterized in that: include two cylindrical shells, respectively the cross section of this cylindrical shell system generally is semicircular, and can form a gas off-take between this two cylindrical shell, and wherein, the outlet pipe of a cylindrical shell is the oral siphon of another cylindrical shell.
9, a kind of water heater is characterized in that: include: a casing; One gas cock is arranged in this casing; One burner connects this gas cock, produces heat energy in order to burning; One control device is arranged on this gas cock, could flow to burner for igniting in order to the gas of controlling in this gas cock; One water pond is arranged on this gas cock, in order to driving gas cock, and then the action and the flow of control gas flow control apparatus; One heat exchanger, be arranged at this burner top side, comprise: a cylindrical shell, one of place on this base cover to be constituted by a hollow base and lid, this base top side also is provided with some tubulose heat-conducting parts, respectively this tubulose heat-conducting part is inner and be connected with base inside, and this base is inner with the tubulose heat-conducting part to be to vacuumize the kenel that refills superconductor material and form the superconducting body; One oral siphon is arranged at this cover one bottom side, extends to the bottom and the corresponding superconducting body of this first room; One outlet pipe is arranged at this cover bottom side in addition.
10, the water heater according to claim 9 is characterized in that: more include an enclosure, this enclosure cover cap is in the heat exchanger top side, and its lower edge also extends to this heat exchanger below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237502 CN2550687Y (en) | 2002-06-05 | 2002-06-05 | Heat exchanger and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237502 CN2550687Y (en) | 2002-06-05 | 2002-06-05 | Heat exchanger and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550687Y true CN2550687Y (en) | 2003-05-14 |
Family
ID=33711440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237502 Expired - Fee Related CN2550687Y (en) | 2002-06-05 | 2002-06-05 | Heat exchanger and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550687Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155178A (en) * | 2015-07-31 | 2015-12-16 | 广东大众农业科技股份有限公司 | Method for extracting printing and dyeing waste water heat with low cost |
| CN106705422A (en) * | 2015-11-12 | 2017-05-24 | 衡阳衡锅锅炉有限公司 | Circulation hot water industrial boiler |
-
2002
- 2002-06-05 CN CN 02237502 patent/CN2550687Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155178A (en) * | 2015-07-31 | 2015-12-16 | 广东大众农业科技股份有限公司 | Method for extracting printing and dyeing waste water heat with low cost |
| CN106705422A (en) * | 2015-11-12 | 2017-05-24 | 衡阳衡锅锅炉有限公司 | Circulation hot water industrial boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2550687Y (en) | Heat exchanger and water heater | |
| CN206617920U (en) | Vertical liquefaction Burning Natural Gas In Boiler Chamber | |
| CN2786495Y (en) | Condensing type oil-fired and gas-fired hot water heater | |
| CN209180909U (en) | A kind of combination exchanger of modularization steam unit | |
| CN209180908U (en) | A kind of novel heat exchange unit of modularization steam generating equipment | |
| CN212930448U (en) | Water heater and modular exchange device | |
| CN1464240A (en) | Heat exchanger and water heater | |
| CN2800110Y (en) | Combined heat-storage heating stove | |
| CN201731617U (en) | Horizontal pipe array hot water boiler | |
| CN2328940Y (en) | Vertical steam water boiler | |
| KR100903520B1 (en) | Energy saving and rapid heating apparatus | |
| CN1032858A (en) | Pressure change-vacuum-phase change radiator | |
| CN210662900U (en) | Layer-combustion furnace whitening device | |
| CN216716575U (en) | Biomass-fired pure wind hot blast stove | |
| CN210485685U (en) | Water supply device for steam boiler | |
| CN215113253U (en) | Energy-saving environment-friendly gas boiler | |
| CN212591613U (en) | Rice steaming vehicle | |
| CN220669486U (en) | Horizontal heat conducting oil heating furnace | |
| CN217928712U (en) | Novel heat exchanger of integral type | |
| CN215016123U (en) | Double-door gas rice steaming cabinet | |
| CN2435632Y (en) | Multi-functional oil-burning pressureless hot water boiler | |
| CN201014723Y (en) | Non-pressure hot water generators | |
| CN2324519Y (en) | Gas combustion heat exchanger | |
| CN2731346Y (en) | Circulartion fire pipe gas boiler | |
| CN207422174U (en) | A kind of Novel waste heat boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |