CN100520244C - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN100520244C CN100520244C CNB2005100142535A CN200510014253A CN100520244C CN 100520244 C CN100520244 C CN 100520244C CN B2005100142535 A CNB2005100142535 A CN B2005100142535A CN 200510014253 A CN200510014253 A CN 200510014253A CN 100520244 C CN100520244 C CN 100520244C
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- cold air
- refrigerating chamber
- refrigerator
- pipeline
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Abstract
This invention relates to a kind of fridge. Cold-air fulfills chilling in chilling chamber in the free convection mode, while fulfills refrigeration in refrigerating chamber in the selective free convection or forced convention mode. A kind of air, which completes the cycle in the refrigerating chamber, carries out heat exchanging with the evaporator of refrigerating chamber when passing the absorbing channel. Thus, when the cold-air is discharged along the discharging channel, it can keep the temperature and flow even at any position. Therefore, this invention can ensure the refrigeration performance.
Description
Technical field
The present invention relates to a kind of cold air refrigerating chamber finish in the mode of free convection freezing in, finish the refrigerator of refrigeration with optionally free convection or forced convertion at refrigerating chamber, especially a kind of air of finishing circulation at refrigerating chamber that makes, by hot switching path the time and the evaporimeter of refrigerating chamber carry out sufficient heat exchange, thereby make cold air when flow pass flows out, all can guarantee the refrigerator of even temperature and flow in any position.
Background technology
In general, refrigerator can be divided into direct refrigeration modes and indirect refrigeration mode according to refrigeration modes.Wherein, directly the refrigerator of refrigeration modes is installed evaporimeter at the inwall of refrigerating chamber and refrigerating chamber, and with the free convection of the cold air that produces around the evaporimeter refrigerating chamber and refrigerating chamber is freezed; And the refrigerator of indirect refrigeration mode is except installing evaporimeter at the inwall of refrigerating chamber, fan also is installed above the circulating cold air passage and by fan the forced air supply of the cold air that produces around the evaporimeter is freezed to refrigerating chamber and refrigerating chamber.
Fig. 1 is the sectional side view of the refrigerator of prior art.
Refrigerator shown in Figure 1 adopts the indirect refrigeration mode, as shown in Figure 1, form the refrigerator main body 2a of refrigerating chamber F and refrigerating chamber R respectively at upper and lower sides, refrigerating chamber door 4a to be opened/closed and refrigerating-chamber door 4b have respectively been installed in the 2b front, and in the space mounting evaporimeter 10 of above-mentioned refrigerating chamber F inwall, the kind of refrigeration cycle that connects therewith is installed in above-mentioned refrigerator main body 2a, the side of 2b, in addition, blowing fan 12 and the motor 14 of cold air being delivered to refrigerating chamber F and refrigerating chamber R is installed above above-mentioned evaporimeter 10.
At this moment, at above-mentioned refrigerator main body 2a, heat-barrier material (not shown) is installed between the shell 2a of 2b and the inner casing 2b, and at above-mentioned refrigerator main body 2a, compressor 6, condenser 8 and the capillary (not shown) that is connected with above-mentioned evaporimeter 10 by refrigerant tubing is installed in the Machine Room of 2b bottom, in addition, at the above-mentioned evaporimeter 10 of the inner casing 2b of above-mentioned refrigerating chamber installed inside, and below above-mentioned condenser 8, the drip tray (not shown) that guiding condenses in the drainpipe (not shown) of above-mentioned evaporimeter 10 surface condensation water and accumulates condensed water is installed.
Certainly, for the cold air that makes above-mentioned evaporimeter 10 heat exchanges can circulate at above-mentioned refrigerating chamber F and refrigerating chamber R,, and on the inner casing 2b of above-mentioned refrigerating chamber, form a plurality of cold air dispensing orifices at the inboard formation of the inner casing 2b of above-mentioned refrigerating chamber circulating cold air passage.
And above-mentioned compressor 6 is connected with control part (not shown) with motor 14 parts such as grade and is regulated by control part.Particularly, when above-mentioned control part starts above-mentioned compressor 6 and motor 14, startup along with above-mentioned compressor 6, cold-producing medium is along above-mentioned compressor 6, condenser 8, capillary, evaporimeter 10 circulates and when carrying out heat exchange and produce cold air with above-mentioned evaporimeter 10 ambient airs, cold air is delivered to above-mentioned refrigerating chamber F and refrigerating chamber R realizes freezing and refrigeration by said fan 12.
But; existing refrigerator adopts by the forced convertion of cold air being realized the indirect refrigeration mode of refrigeration; since the cold air by evaporimeter 10 after the circulating cold air channel flow of complexity in refrigerating chamber R air-out; the refrigerating chamber R nearer with refrigerating chamber F can keep lower temperature; the refrigerating chamber R far away from refrigerating chamber F then keeps higher temperature, thereby the uneven temperature phenomenon of refrigerating chamber R occurs through regular meeting.
Certainly, can use cold air to carry out the refrigerator of the direct refrigeration modes of funnel draught in order to address these problems, but also exist because of the internal capacity of refrigerating chamber is generally bigger than refrigerating chamber, can not carry out the circulation of cold air smoothly, and can not be applicable to the problem of large-capacity refrigerator.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of refrigerator is provided, even when directly the refrigeration-type refrigerator is realized the indirect refrigeration mode by increasing accessory, also can make air fully carry out heat exchange, make cold air keep even temperature in any position of refrigerator.
In order to address the above problem, refrigerator of the present invention comprises with the lower part and forming: the refrigerator main body that forms refrigerating chamber and refrigerating chamber respectively; The freezer evaporator that is installed in above-mentioned refrigerating chamber and refrigerating chamber is directly freezed; Be installed in the refrigerator evaporator that above-mentioned freezer wall freezes to refrigerating chamber; Comprise the compressor, condenser, the swelling part that are connected with refrigerator evaporator with above-mentioned freezer evaporator, and by producing the kind of refrigeration cycle of refrigeration around the above-mentioned evaporimeter of circulating in of cold-producing medium; Be installed in the freezer wall that directly contacts with above-mentioned refrigerator evaporator, and for the circulating cold air passage that forms the lower-upper length direction at one end forms suction passage, simultaneously for cold air being distributed the pipeline that supplies to refrigerating chamber and form a plurality of cold air distribution skies in above-mentioned suction passage one side; Be installed in the suction passage place of above-mentioned pipeline, and make at refrigerating chamber and finish the air-supply arrangement of the air of circulation by above-mentioned circulating cold air passage; Formation is arranged on above-mentioned insides of pipes, inhaled air is all by with freezer wall that above-mentioned refrigerator evaporator directly contacts the time by above-mentioned air-supply arrangement, and the heat exchange that generates cold air is with path and make the path zoning device of cold air to the drain passageway of above-mentioned cold air dispensing orifice guiding.
Adopt the refrigerator of the present invention of above-mentioned formation that following advantage is arranged: because of cold air in refrigerating chamber free convection and simultaneously be forced to air-supply at refrigerating chamber, so under the capacious situation of the volumetric ratio refrigerating chamber of refrigerating chamber also refrigerated compartment equably; Even the cold air by the refrigerating chamber all heat exchangers reduces flow velocity because of channel resistance when refrigerating chamber is mobile from bottom to up, also can discharge the cold air of uniform temperature with uniform flow rate in each position, improve the refrigeration performance of refrigerating chamber by becoming big cold air dispensing orifice gradually.
Description of drawings
Fig. 1 is the sectional side view of the refrigerator of prior art;
Fig. 2 is the sectional side view of refrigerator of the present invention;
Fig. 3 is the flat sectional drawing of refrigerator of the present invention;
Fig. 4 is the front elevation of refrigerator main body of the present invention.
The critical piece description of reference numerals
52: refrigerator main body 54a: refrigerating chamber door
54b: refrigerating-chamber door 56: compressor
58: condenser 60a: freezer evaporator
60b: refrigerator evaporator 62: heat-barrier material
64: control part 70: pipeline
70h: cold air dispensing orifice 72: pipe insulation material
74a, 74b: corridor bulkhead 80: air-supply arrangement
82: blowing fan 84: motor
86: fan frame
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated.
Fig. 2 is the sectional side view and the flat sectional drawing of refrigerator of the present invention, and Fig. 4 is the front elevation of refrigerator main body of the present invention.
To shown in Figure 4, adopt refrigerator of the present invention as Fig. 2, below open refrigerator main body 52 inside, front, form refrigerating chamber F and form refrigerating chamber R up; Refrigerating chamber door 54a and refrigerating-chamber door 54b are connected to the front of above-mentioned refrigerator main body 52 by hinge; In above-mentioned refrigerator main body 52 inwalls, the kind of refrigeration cycle that comprises evaporimeter 60a, 60b is housed.Above-mentioned refrigerator is in above-mentioned refrigerating chamber F inside, when freezing with direct refrigeration modes by the free convection of cold air, in above-mentioned refrigerating chamber R inside, forced air supply by cold air is freezed in the indirect refrigeration mode, and at above-mentioned refrigerating chamber R, spray by the cold air of all above-mentioned refrigerator evaporator 60b is mobile from bottom to up.
At this, constitute between the shell 52a and inner casing 52b, 52c of above-mentioned refrigerator main body 52 outward appearances, foaming forms heat-barrier material 62 under the interior state that various parts are housed, and at inboard refrigerating chamber F and the refrigerating chamber R of forming of above-mentioned inner casing 52b, 52c, and, in order to form circulating cold air passage A, B, form the circulating cold air groove 52h of above-below direction at above-mentioned refrigerating chamber inner casing 52c.
Secondly, above-mentioned evaporimeter 60a, 60b are overlapped each other by two metallic plates that form the refrigerant tubing groove and constitute, be divided into freezer evaporator 60a that is installed in above-mentioned refrigerating chamber F and the refrigerator evaporator 60b that is installed in refrigerating chamber R, and, for cold-producing medium is flowed mutually, above-mentioned freezer evaporator 60a is installed with the structure that is connected with refrigerator evaporator 60b.
Especially, above-mentioned freezer evaporator 60a is installed in above-mentioned refrigerating chamber F inside and can directly puts food and divide in the shelf 55a of parking space, and refrigerating chamber F realized directly freezing, and being adjacent to inwall, above-mentioned refrigerator evaporator 60b is installed within the inner casing 52c of above-mentioned refrigerating chamber, and should be advisable with a part of interval that is adjacent to above-mentioned refrigerating chamber circulating cold air groove 52h inwall central authorities, so the width of above-mentioned refrigerator evaporator 60b should be narrower than the width of above-mentioned circulating cold air groove 52h.
Certainly, above-mentioned evaporimeter 60a, 60b should be connected with swelling parts (not shown) such as compressor 56, condenser 58, capillary or electric expansion valves, thereby make the cold-producing medium circulation form kind of refrigeration cycle.
At this moment, side at above-mentioned evaporimeter 60a, 60b, in temperature sensor (not shown) is housed, and each temperature sensor is connected with the control part 64 of regulating various parts work, therefore, above-mentioned control part 64 is according to the work of the temperature signal control above-mentioned compressor 56 of said temperature sensor input.
Secondly, in order to form circulating cold air passage A, B, in above-mentioned circulating cold air groove 52h pipe laying 70, air-supply arrangement 80 is linked to each other with above-mentioned control part 64, and, corridor bulkhead 74a, 74b are installed between above-mentioned pipeline 70 and circulating cold air groove 52h, thereby make above-mentioned circulating cold air passage A, B be divided into hot switching path A and flow pass B.
Certainly, even above-mentioned pipeline 70 is installed in circulating cold air groove 52h, can not interfere with each other with the shelf 55b that deposits food yet.
At this, above-mentioned pipeline 70 is the shape of metallic plate, and forms suction passage in the upper end, forms a plurality of cold-producing medium dispensing orifice 70h and its two ends are clipped on the above-mentioned circulating cold air groove 52h and keep at a certain distance away at the downside two ends of above-mentioned suction passage.Be installed at above-mentioned pipeline 70 under the state of above-mentioned circulating cold air groove 52h, make the front of above-mentioned pipeline 70 and above-mentioned refrigerating chamber inner casing 52c become same plane,, can prevent the minimizing of refrigerator inside volume so compare with existing direct refrigeration-type refrigerator.
At this moment, be integrally formed at the back side of above-mentioned pipeline 70 from top to bottom because of above-mentioned corridor bulkhead 74a, 74b, if above-mentioned pipeline 70 is installed on above-mentioned circulating cold air groove 52h, above-mentioned suction passage side is then formed above-mentioned hot switching path A by above-mentioned corridor bulkhead 74a, 74b with length direction up and down.Meanwhile, above-mentioned flow pass B is formed at the back side of above-mentioned suction passage with length direction up and down, and above-mentioned and interchange channel A and flow pass B should be cut apart its upper end, is advisable and connect its lower end.
Therefore, after finishing sufficient heat exchange through above-mentioned hot switching path A from above-mentioned suction passage inhaled air, even cold air produces channel resistance when above-mentioned flow pass B flows, also can be from above-mentioned cold air dispensing orifice 70h with the uniform flow rate air draft, above-mentioned cold air dispensing orifice 70h should be from the below of above-mentioned pipeline 70 become greatly gradually toward the top and is advisable.
And, adhere to certain thickness heat-barrier material 72 at the back side of above-mentioned pipeline 70, and only be advisable adhering to certain thickness heat-barrier material 72 with the corresponding interval of above-mentioned hot switching path A that above-mentioned refrigerator evaporator is combined closely.Because of adhering to heat-barrier material 72 at pipeline 70 back sides, even the circulating cold air groove 52h surface frosting of above-mentioned refrigerator evaporator 60b or the condensed water that condenses are being installed, also can be covered by above-mentioned pipeline 70, and can utilize heat-blocking action, prevent at pipeline 70 outside frostings or the condensed water that condenses that join with above-mentioned refrigerating chamber R, thereby realize refrigerating environment than health.
And, lower end at above-mentioned pipeline 70, even when being connected with the frost thawing on above-mentioned circulating cold air groove 52h surface, also can make water be discharged to outside drainpipe (not shown), meanwhile, at the end of above-mentioned drainpipe, the drip tray (not shown) of building up condensed water is installed, and above-mentioned drip tray should lead to the outside.
Secondly, above-mentioned air-supply arrangement 80 by the cold air of the above-mentioned refrigerating chamber R that will circulate deliver to above-mentioned hot switching path A blowing fan 82, drive this fan motor 84 and in said fan 82 and motor 84 be housed fan frame form, and said fans framework 86 is installed in suction passage, and above-mentioned motor 84 is connected with above-mentioned control part 64.
At this moment, said fan 82 is used and is sent the axial flow fan of cold air to be advisable to the direction of axle, and at the previous space certain distance configuring goods of said fans framework 86, thereby reduce the resistance of air intake passage, and should be advisable by the diameter decision of said fan 82 at interval.
Subsequently, comprise the work of above-mentioned compressor 56 and motor 84 miscellaneous parts by above-mentioned control part 64 controls, when the temperature of said temperature sensor measurement is input as the freezing design temperature (Tf0) of outside input and refrigerates design temperature (Tr0), control part will be controlled freezing design temperature scope and the refrigeration design temperature scope that each parts reaches setting.
At this moment, when the temperature of above-mentioned refrigerating chamber R was higher than the maximum temperature TrM of refrigeration design temperature scope, above-mentioned control part 64 turned round said fan 82, and controls refrigeration work with this when starting above-mentioned 56 compressors 56 with first speed of gyration of regulation.
But, when the temperature of above-mentioned refrigerating chamber R is lower than the minimum temperature Trm of refrigeration design temperature scope, above-mentioned control part 64 is in the work that stops above-mentioned compressor 56, the cold-producing medium that makes higher temperatures is by above-mentioned refrigerator evaporator 60b the time, said fan 82 with the second speed of gyration revolution faster than first speed of gyration of regulation, is controlled the defrosting work on above-mentioned refrigerator evaporator 60b surface with this.
The work of the present invention of above-mentioned formation is as follows.
At first, set cryogenic temperature Tf0 and set refrigerated storage temperature Tr0 in 64 inputs of above-mentioned control part, and if be judged as highlyer than above-mentioned freezer temperature Tf and temperature of refrigerating chamber Tr, then will start above-mentioned compressor 56 and motor 84.
At this moment, startup along with above-mentioned compressor 56, cold-producing medium can be along above-mentioned compressor 56, condenser 58, swelling part, evaporimeter 60a, 60b circulates, and the cold-producing medium of low-temp low-pressure and surrounding air become cold air at above-mentioned freezer evaporator 60a and refrigerator evaporator 60b by heat exchange action.
So, realize freezing at above-mentioned refrigerating chamber F cold air with free convection, and in the startup of above-mentioned refrigerating chamber R along with above-mentioned motor 84, rotation said fan 82 makes the air of the above-mentioned refrigerating chamber R of circulation move and produce cold air from top to bottom along above-mentioned hot switching path A, these cold air move through above-mentioned cold air distributing trough 70h and air draft in above-mentioned refrigerating chamber R again along the flow pass B of both sides from bottom to up, thereby realize refrigeration.
At this moment, because of the heat exchanger 60b by above-mentioned hot switching path A and above-mentioned vaporizer side carries out sufficient heat exchange action, cold air not only can be kept even temperature, even when above-mentioned flow pass B flows, produce channel resistance, also, cold air dispensing orifice 70h can carry out air draft with uniform flow rate greatly because of becoming from bottom to up gradually.
Certainly, because of interval than keeping lower temperature with interval, the corresponding pipeline of above-mentioned flow pass 70 both sides with the part of the corresponding pipeline of above-mentioned hot switching path A central authorities, so it is interval that the moisture in the refrigerating chamber R inner air may condense in the part of above-mentioned pipeline 70 central authorities, but can prevent above-mentioned pipeline 70 surface condensation condensed waters by the heat-blocking action that is installed in inboard heat-barrier material 72.
So, startup along with above-mentioned compressor 56 and motor 84, the cold air of above-mentioned refrigerating chamber F freezes by free convection, and freeze for the forced convertion by cold air at above-mentioned refrigerating chamber R, reach setting cryogenic temperature Tf0 separately and set refrigerated storage temperature Tr0 until freezer temperature Tf and temperature of refrigerating chamber Tr carrying out above-mentioned process repeatedly.
More than, the present invention combines embodiments of the invention and accompanying drawing has been described in detail, but scope of the present invention is not limited to above embodiment and accompanying drawing.
Claims (6)
1. refrigerator is characterized in that: comprising:
Form the refrigerator main body of refrigerating chamber and refrigerating chamber respectively;
The freezer evaporator that is installed in above-mentioned refrigerating chamber and refrigerating chamber is directly freezed;
Be installed in the refrigerator evaporator that above-mentioned freezer wall freezes to refrigerating chamber;
Comprise the compressor, condenser, the swelling part that are connected with refrigerator evaporator with above-mentioned freezer evaporator, and by producing the kind of refrigeration cycle of refrigeration around the above-mentioned evaporimeter of circulating in of cold-producing medium;
Be installed in the pipeline on the freezer wall that directly contacts with above-mentioned refrigerator evaporator, in order to form the circulating cold air passage of lower-upper length direction, end at pipeline forms suction passage, supply to refrigerating chamber for cold air is distributed simultaneously, and form a plurality of cold air dispensing orifices in above-mentioned suction passage one side;
Be installed in the suction passage place of above-mentioned pipeline, and make at refrigerating chamber and finish the air-supply arrangement of the air of circulation by above-mentioned circulating cold air passage;
Formation is arranged on above-mentioned insides of pipes, inhaled air is all by with freezer wall that above-mentioned refrigerator evaporator directly contacts the time by above-mentioned air-supply arrangement, and the heat exchange that generates cold air is with path and make the path zoning device of cold air to the drain passageway of above-mentioned cold air dispensing orifice guiding.
2. refrigerator according to claim 1 is characterized in that: above-mentioned pipeline is installed in the freezer wall part interval that directly contacts with above-mentioned refrigerator evaporator and forms on the circulating cold air groove of large-size.
3. refrigerator according to claim 2 is characterized in that: above-mentioned pipeline is installed in above-mentioned circulating cold air groove and forms same plane with above-mentioned freezer wall.
4. refrigerator according to claim 3 is characterized in that: the central authorities in above-mentioned pipeline upper end form above-mentioned suction passage, and keeping at a certain distance away at two ends simultaneously becomes a plurality of above-mentioned cold air dispensing orifices with the upper and lower synform.
5. refrigerator according to claim 4 is characterized in that: above-mentioned cold air dispensing orifice becomes big from bottom to up gradually in the lower end of above-mentioned pipeline.
6. according to each described refrigerator of claim 2 to 5, it is characterized in that: with when length direction forms hot switching path and flow pass up and down, between above-mentioned pipeline and circulating cold air groove, corridor bulkhead is installed for its lower end is connected at the passage partition member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100142535A CN100520244C (en) | 2005-06-30 | 2005-06-30 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100142535A CN100520244C (en) | 2005-06-30 | 2005-06-30 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1888757A CN1888757A (en) | 2007-01-03 |
| CN100520244C true CN100520244C (en) | 2009-07-29 |
Family
ID=37578046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100142535A Expired - Fee Related CN100520244C (en) | 2005-06-30 | 2005-06-30 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100520244C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519208B (en) * | 2011-12-08 | 2014-03-12 | 南通大学 | Supercooling room at bar door of refrigerator for manufacturing supercooling liquid |
| CN103673451B (en) * | 2012-09-22 | 2017-11-14 | 博西华家用电器有限公司 | Refrigerating appliance |
| CN108426408B (en) * | 2018-04-02 | 2020-10-02 | 合肥华凌股份有限公司 | Refrigerating device |
| CN112525254B (en) * | 2020-11-06 | 2022-02-22 | 浙江海洋大学 | Monitoring device for tuna transportation in ultralow temperature environment |
| CN114484994B (en) * | 2022-02-24 | 2023-08-25 | 珠海格力电器股份有限公司 | Refrigerator and defrosting method |
-
2005
- 2005-06-30 CN CNB2005100142535A patent/CN100520244C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1888757A (en) | 2007-01-03 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: No. 2 Yingbin Road, Taizhou Economic Development Zone, Jiangsu Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20140630 |
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| EXPY | Termination of patent right or utility model |