CN113790563A - Anti-icing wind channel and refrigerator - Google Patents
Anti-icing wind channel and refrigerator Download PDFInfo
- Publication number
- CN113790563A CN113790563A CN202110975036.1A CN202110975036A CN113790563A CN 113790563 A CN113790563 A CN 113790563A CN 202110975036 A CN202110975036 A CN 202110975036A CN 113790563 A CN113790563 A CN 113790563A
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- air
- freezing
- air duct
- fan
- fixedly connected
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000007710 freezing Methods 0.000 claims abstract description 56
- 230000008014 freezing Effects 0.000 claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an anti-icing air duct and a refrigerator, and relates to the technical field of refrigerators. The fan-shaped air guide table comprises a freezing air channel, an air quantity adjusting rod, a freezing fan cover and an air channel cover plate, wherein a fan fixing groove is formed in the inner surface of the freezing air channel; the inner surface of the freezing air channel is provided with an air volume adjusting rod fixing groove, the air volume adjusting rod fixing groove is provided with a clamping hole, a clamping column is fixedly connected to the surface of the air volume adjusting rod, the clamping column is in rotating fit with the clamping hole, and the outer end of the clamping column is fixedly connected with an air volume adjusting knob; the freezing fan cover is fixedly connected with the outer surface of the freezing air duct; the air duct cover plate is fixedly connected to the inner surface of the freezing air duct. According to the invention, by arranging the guide platform, the drainage channel and other various drainage paths in the air duct, water in the freezing air duct can be ensured to flow away smoothly along the pre-designed drainage path, and the anti-blocking performance of the air duct is improved.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to an anti-icing air duct and a refrigerator.
Background
The air-cooled refrigerator is a refrigerator product which is the mainstream demand of the market at present, and the air-cooled refrigerator is different from the traditional direct-cooled refrigerator and has the advantages that the air-cooled refrigerator can avoid the trouble that a user frequently shovels ice, and simultaneously, the freshness of food materials is ensured to the maximum extent, so that the failure rate of the air-cooled refrigerator is reduced, and the normal operation of the refrigerator is the most direct evaluation of the user on the refrigerator. The basic design has the structure that prevents to freeze in the air-cooled refrigerator wind channel of hiding under freezing on the existing market, but most products are because the anti-icing structure of design is perfect inadequately, during the actual user uses, can not effectually walk away water along the set route of design from the wind chamber, simultaneously because the flow direction of water droplet is more dispersed after centrifugal fan operation, probably rate water can't flow away along the basin, the phenomenon of ponding icing has taken place in having led to the wind channel then, the refrigerator takes place not refrigerate, trouble such as subcooling, and then the food that leads to in the refrigerator takes place to deteriorate.
The invention relates to the technical field of refrigerators, in particular to an air duct structure of a refrigerator and a refrigerator, and discloses a refrigerator with a publication number of CN108286858B, wherein the refrigerator comprises a first refrigerating chamber and a second refrigerating chamber, and an evaporator of the refrigerator is arranged in an evaporator chamber at the back of the first refrigerating chamber; the air inlet and return channel structure comprises a foam air inlet and return channel seat, and the foam air inlet and return channel seat is provided with an air return channel groove and an air inlet channel groove; the air inlet channel groove and the air return channel groove are respectively enclosed with the air channel cover plate to form an air inlet channel and an air return channel, and two ends of the air inlet channel are respectively communicated with the first refrigerating chamber and the second refrigerating chamber; and two ends of the air return duct are respectively communicated with the second refrigerating compartment and the air return connecting pipeline, and the air return connecting pipeline is communicated with the evaporator cavity. This refrigerator and advance return air duct structure and advance return air duct seat through the foam and go back the air duct and integrate air inlet duct and partial return air duct together to optimize the pipeline overall arrangement, make the pipeline reduce, incasement connect fewly, thereby reduce risk such as condensation freezes, do not establish special drainage channel in the wind channel, still have great ice stifled risk.
Disclosure of Invention
The invention aims to provide an anti-icing air duct and a refrigerator, which ensure that water in a freezing air duct can smoothly flow away along a pre-designed drainage path by arranging a plurality of drainage paths such as a flow guide table, a drainage channel and the like in the air duct, and solve the problem that the existing refrigerator is easy to cause that accumulated water is not discharged in time, ice blockage is generated and the refrigeration of the refrigerator is ineffective.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an anti-icing air duct and a refrigerator, which comprise a freezing air duct, an air quantity adjusting rod, a freezing fan cover and an air duct cover plate, wherein a fan fixing groove is formed in the inner surface of the freezing air duct, a fan-shaped flow guide table is fixedly connected to the inner surface of the freezing air duct, and drainage grooves are formed in the inner surface of the freezing air duct and are positioned on two sides of the fan-shaped flow guide table. The air volume adjusting rod is characterized in that an air volume adjusting rod fixing groove is formed in the inner surface of the freezing air channel, a clamping hole is formed in the air volume adjusting rod fixing groove, a clamping column is fixedly connected to one surface of the air volume adjusting rod, the clamping column is matched with the clamping hole in a rotating mode, and an air volume adjusting knob is fixedly connected to the outer end of the clamping column. The freezing fan cover is fixedly connected to the outer surface of the freezing air duct. The air duct cover plate is fixedly connected to the inner surface of the freezing air duct.
Further, the first stagnant water boss of air regulation pole internal surface fixedly connected with, first stagnant water boss is located air regulation pole week side, wind channel surface gather rivers to air regulation pole department, can effectively block rivers and get into, avoid the air regulation pole knob to freeze, lead to the air regulation pole to freeze, influence the product and use.
Further, freezing fan housing surface open have with air regulation knob normal running fit's knob hole, the second stagnant water boss of knob hole week side fixedly connected with, freezing fan housing surface is being close to knob hole week side regional fixedly connected with frosting for adjust knob can't gather the water droplet all around, when wind channel surface rivers pass through this frosting, frosting surface can be with water droplet "break up", surface formation "water film", can't form ice-ball, ice-cube, further reduce the risk of freezing
Furthermore, an annular flow guide surface is arranged on the periphery of the fan fixing groove.
Furthermore, the annular drainage surface is obliquely arranged, the included angle between the annular drainage surface and the bottom surface of the fan fixing groove is 100-120 degrees, and the structure is beneficial to the concentration of condensate water in the fan fixing groove to the groove bottom and the flow of the condensate water to the screw fixing groove.
Furthermore, a screw fixing groove is formed in the bottom surface of the fan fixing groove, and a drainage inclined plane is formed on the periphery of the screw fixing groove, so that condensed water concentrated in the screw fixing groove can flow out conveniently.
Furthermore, the water drainage tank adopts a 'gradually narrowing type' structure along the water flow direction, so that the flow speed of water in the air duct is accelerated, and the phenomena of water accumulation and piling and freezing blockage are avoided.
Further, the width of fan-shaped water conservancy diversion platform is greater than the distance between the both sides water drainage tank entry, guarantees that the water homoenergetic that comes from different flow directions shunts to water drainage tank along fan-shaped water conservancy diversion platform, finally flows into in the water collector.
Furthermore, an air outlet is formed in one end of the freezing air duct, a flanging boss is fixedly connected to the air outlet, the connection sealing performance and the smoothness of the air outlet and other air duct pipelines are improved, accumulation of condensed water at the joint is avoided, and ice blockage is formed.
A refrigerator comprises the anti-icing air duct.
The invention has the following beneficial effects:
according to the invention, the frosted material is adopted on the outer surface of the freezing air cover, so that surface water flow cannot be gathered, and multiple drainage paths of the flow guide table, the drainage groove and the drainage inclined plane are arranged in the air duct, so that water in the freezing air duct can smoothly flow away along the pre-designed drainage path, and the air duct anti-blocking performance is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of an anti-icing duct cover according to the present invention;
FIG. 2 is a schematic structural view of an anti-icing duct cover plate according to the present invention;
FIG. 3 is a partial schematic view of FIG. 2;
FIG. 4 is a schematic structural view of an air volume adjusting lever;
FIG. 5 is a schematic structural view of an anti-icing duct according to the present invention at a rear view;
FIG. 6 is a partial schematic view of FIG. 5;
FIG. 7 is a schematic structural view of an anti-icing duct according to the present invention from a front perspective;
fig. 8 is a partial schematic view of fig. 7.
In the drawings, the components represented by the respective reference numerals are listed below:
1-freezing air duct, 2-air volume adjusting rod, 3-freezing fan cover, 4-air duct cover plate, 5-fan fixing groove, 6-fan-shaped guide table, 7-drainage groove, 8-air outlet, 101-air volume adjusting rod fixing groove, 201-clamping column, 202-air volume adjusting knob, 203-first water stop table, 301-second water stop table, 302-frosting layer, 501-annular diversion surface, 502-screw fixing groove and 503-diversion inclined surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example one
Referring to fig. 1 to 8, the present invention is an anti-icing air duct and a refrigerator, including a freezing air duct 1, an air adjusting lever 2, a freezing air cover 3 and an air duct cover plate 4. Wherein, the inner surface of the freezing air duct 1 is provided with a fan fixing groove 5. The freezing fan housing 3 is fixedly connected to the outer surface of the freezing air duct 1, and the air duct cover plate 4 is fixedly connected to the inner surface of the freezing air duct 1.
Referring to fig. 2-3, an annular drainage surface 501 is disposed around the fan fixing groove 5, the annular drainage surface 501 is disposed in an inclined manner, an included angle between the annular drainage surface 501 and the bottom surface of the fan fixing groove 5 is 100-120 °, and the structure facilitates the condensate water in the fan fixing groove to concentrate toward the groove bottom and flow toward the screw fixing groove 5. The bottom surface of the fan fixing groove 5 is provided with a screw fixing groove 502, and the periphery of the screw fixing groove 502 is provided with a drainage inclined plane 503, so that condensed water concentrated in the screw fixing groove 502 can flow out conveniently.
Please refer to fig. 1, a fan-shaped diversion table 6 is fixedly connected to the inner surface of the freezing air duct 1, a drainage channel 7 is formed on the inner surface of the freezing air duct 6, and the drainage channel 7 is located on two sides of the fan-shaped diversion table 6. The water drainage tank 7 adopts a gradually-narrowed structure along the water flow direction, accelerates the flow velocity of water in the air duct, and avoids water accumulation and piling and freezing blockage. The width of fan-shaped water conservancy diversion platform 6 is greater than the distance between the 7 entrances of both sides water drainage tank, guarantees that the water homoenergetic that comes from different flow directions shunts to water drainage tank 7 along fan-shaped water conservancy diversion platform 6, finally flows into in the water collector.
Referring to fig. 1 and 4, an air volume adjusting rod fixing groove 101 is formed in an inner surface of the freezing air duct 1, a clamping hole is formed in the air volume adjusting rod fixing groove 101, a clamping column 201 is fixedly connected to one surface of the air volume adjusting rod 2, the clamping column 201 is rotatably matched with the clamping hole, and an air volume adjusting knob 202 is fixedly connected to an outer end of the clamping column 201. The inner surface of the air volume adjusting rod 2 is fixedly connected with a first water stop boss 203, and the first water stop boss 203 is positioned on the peripheral side of the air volume adjusting rod 2. When the condensed water in the air duct flows to the air volume adjusting rod 2, the first water stopping boss 203 can effectively block the water flow from entering, the clamping column 201 of the air volume adjusting rod 2 is prevented from freezing, the air volume adjusting rod 2 is frozen, and the product use is influenced.
Referring to fig. 5-6, the outer surface of the freezing fan housing 3 is provided with a knob hole rotatably engaged with the air volume adjusting knob 202, and a second water stop boss 301 is fixedly connected to the periphery of the knob hole. The regional fixedly connected with frosting layer 302 of freezing fan housing 3 surface on being close to knob hole week for adjust knob 202 can't gather the water droplet all around, when wind channel surface rivers were through this frosting layer 302, frosting layer 302 surface can "break up" the water droplet, and the surface forms "water film", can't form ice-ball, ice-cube, further reduces the risk of freezing.
The utility model provides a refrigerator, uses this anti-icing wind channel, promotes the anti-blocking performance in the refrigerator wind channel, ensures the durability of refrigerator.
One specific application of this embodiment is: when the fan works, condensed water drops attached to the fan flow to the drainage inclined plane 503 through the annular drainage surface 501, flow out of the drainage inclined plane 503 and are distributed to two sides through the fan-shaped diversion platform 6, and the water drops are discharged into the water receiving tray from the drainage grooves 7 on the left side and the right side, so that the drying in the freezing air duct is kept, and the phenomenon that the water discharged in the air duct is not frozen smoothly is avoided, and the running fault of the refrigerator is caused.
Example two
Referring to fig. 7-8, an air outlet 8 is disposed at one end of the freezing air duct, a flanging boss 801 is fixedly connected to the surface of the air outlet 8, and the flanging boss 801 can improve the connection sealing performance and smoothness between the air outlet and other air duct pipelines, so as to prevent condensed water from accumulating at the connection position and forming an ice block.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An anti-icing duct, comprising:
the fan-shaped air guide table is characterized by comprising a freezing air duct (1), wherein a fan fixing groove (5) is formed in the inner surface of the freezing air duct (1), a fan-shaped air guide table (6) is fixedly connected to the inner surface of the freezing air duct (1), a water drainage groove (7) is formed in the inner surface of the freezing air duct (6), and the water drainage grooves (7) are located on two sides of the fan-shaped air guide table (6);
the air quantity adjusting device comprises an air quantity adjusting rod (2), wherein an air quantity adjusting rod fixing groove (101) is formed in the inner surface of the freezing air duct (1), a clamping hole is formed in the air quantity adjusting rod fixing groove (101), a clamping column (201) is fixedly connected to one surface of the air quantity adjusting rod (2), the clamping column (201) is matched with the clamping hole in a rotating mode, and an air quantity adjusting knob (202) is fixedly connected to the outer end of the clamping column (201);
the freezing fan cover (3), the freezing fan cover (3) is fixedly connected with the outer surface of the freezing air duct (1);
the air duct cover plate (4) is fixedly connected to the inner surface of the freezing air duct (1).
2. The anti-icing air duct according to claim 1, characterized in that a first water stop boss (203) is fixedly connected to the inner surface of the air volume adjusting rod (2), and the first water stop boss (203) is located on the peripheral side of the air volume adjusting rod (2).
3. The anti-icing air duct according to claim 1, characterized in that the outer surface of the freezing air cover (3) is provided with a knob hole which is rotatably matched with the air volume adjusting knob (202), a second water stop boss (301) is fixedly connected to the periphery of the knob hole, and a frosting layer (302) is fixedly connected to the outer surface of the freezing air cover (3) at a region close to the periphery of the knob hole.
4. The anti-icing duct according to claim 1, characterized in that an annular diversion surface (501) is arranged on the periphery of the fan fixing groove (5).
5. The anti-icing air duct according to claim 4, characterized in that the annular drainage surface (501) is obliquely arranged, and the included angle between the annular drainage surface (501) and the bottom surface of the fan fixing groove (5) is 100-120 degrees.
6. The anti-icing duct according to claim 1, wherein a screw fixing groove (502) is formed in a bottom surface of the fan fixing groove (5), and a drainage inclined surface (503) is formed around the screw fixing groove (502).
7. An anti-icing duct according to claim 1, characterised in that the drainage channels (7) are of a "tapered" configuration in the direction of the water flow.
8. An anti-icing duct according to claim 1, characterised in that the width of the fan-shaped deflector table (6) is greater than the distance between the inlets of the drainage channels (7) on both sides.
9. The anti-icing air duct according to claim 1, characterized in that an air outlet (8) is formed at one end of the freezing air duct, and a flanging boss (801) is fixedly connected to the surface of the air outlet (8).
10. A refrigerator comprising an anti-icing duct according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975036.1A CN113790563A (en) | 2021-08-24 | 2021-08-24 | Anti-icing wind channel and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110975036.1A CN113790563A (en) | 2021-08-24 | 2021-08-24 | Anti-icing wind channel and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113790563A true CN113790563A (en) | 2021-12-14 |
Family
ID=79182162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110975036.1A Pending CN113790563A (en) | 2021-08-24 | 2021-08-24 | Anti-icing wind channel and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113790563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507606A (en) * | 2022-10-21 | 2022-12-23 | 长虹美菱股份有限公司 | Cold-stored two wind channel device and refrigerator of electrified air door |
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| JP2002130188A (en) * | 2000-10-30 | 2002-05-09 | Matsushita Refrig Co Ltd | Blower and cooling apparatus having blower |
| CN102102928A (en) * | 2009-12-22 | 2011-06-22 | 博西华家用电器有限公司 | Refrigerator and fan component for refrigerator |
| CN104457096A (en) * | 2014-12-02 | 2015-03-25 | 海信容声(广东)冰箱有限公司 | Refrigerator with freezing and blocking prevention air duct structure |
| CN106440629A (en) * | 2016-12-03 | 2017-02-22 | 广东奥马冰箱有限公司 | Multilevel air way air outlet system of refrigerator |
| CN107642939A (en) * | 2017-11-01 | 2018-01-30 | 南京创维家用电器有限公司 | A kind of refrigerator freezing ducting assembly and refrigerator |
| CN209311716U (en) * | 2019-01-04 | 2019-08-27 | 杭州佐格通信设备有限公司 | Hold water box windproof structure and rain gage bucket |
-
2021
- 2021-08-24 CN CN202110975036.1A patent/CN113790563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130188A (en) * | 2000-10-30 | 2002-05-09 | Matsushita Refrig Co Ltd | Blower and cooling apparatus having blower |
| CN102102928A (en) * | 2009-12-22 | 2011-06-22 | 博西华家用电器有限公司 | Refrigerator and fan component for refrigerator |
| CN104457096A (en) * | 2014-12-02 | 2015-03-25 | 海信容声(广东)冰箱有限公司 | Refrigerator with freezing and blocking prevention air duct structure |
| CN106440629A (en) * | 2016-12-03 | 2017-02-22 | 广东奥马冰箱有限公司 | Multilevel air way air outlet system of refrigerator |
| CN107642939A (en) * | 2017-11-01 | 2018-01-30 | 南京创维家用电器有限公司 | A kind of refrigerator freezing ducting assembly and refrigerator |
| CN209311716U (en) * | 2019-01-04 | 2019-08-27 | 杭州佐格通信设备有限公司 | Hold water box windproof structure and rain gage bucket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507606A (en) * | 2022-10-21 | 2022-12-23 | 长虹美菱股份有限公司 | Cold-stored two wind channel device and refrigerator of electrified air door |
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Application publication date: 20211214 |
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| RJ01 | Rejection of invention patent application after publication |