CN208442980U - Filter and air conditioner - Google Patents
Filter and air conditioner Download PDFInfo
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- CN208442980U CN208442980U CN201821005858.7U CN201821005858U CN208442980U CN 208442980 U CN208442980 U CN 208442980U CN 201821005858 U CN201821005858 U CN 201821005858U CN 208442980 U CN208442980 U CN 208442980U
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Abstract
The utility model belongs to air conditioner technical field more particularly to a kind of filter and air conditioner.Filter includes shell, coupling tube and screen modules, the screen modules are set in the shell and are cooperatively connected with the inner wall of the shell, the shell is integrally formed part, and the both ends of the shell axial direction all have necking section, two necking sections are fixedly connected to the coupling tube.It since shell is using part is integrally formed, does not need to carry out splicing process, the manufacturing technology steps of shell can be simplified in the premise of the intensity and filter effect that meet filter, improve shell production efficiency；Meanwhile integrated molding part can be using the new material in addition to carbon steel structure, anti-corrosive properties are higher, and therefore, outer surface of outer cover does not need to increase spray coating, it is possible to reduce spraying process improves the production efficiency of filter.
Description
Technical field
The utility model belongs to air conditioner technical field more particularly to a kind of filter and air conditioner.
Background technique
Traditional filter applied to air conditioner is mainly carbon steel structure, i.e., the shell of filter is often spelled by carbon steel
It connects, shell and coupling tube often will cause the cumbersome of processing technology by being welded in this way.Simultaneously because carbon steel material
It easily gets rusty, generally also needs to increase spray coating on the surface of shell, however the requirement of dusting used when spraying operation is stringent, causes
Processing step is complicated, influences the production efficiency of filter.Also, the welding temperature between shell and coupling tube is too low, later period mistake
When filter and external copper pipe weld, spray coating easy burn-out on shell leads to the risk that there is leakage between shell and coupling tube.
In addition, the outer cover length of traditional filter is shorter, the area of filter net for causing interior of shell to be arranged is small, and filter effect is poor.
Utility model content
The purpose of this utility model is to provide a kind of filter and air conditioners, it is intended to solve filter in the prior art
There is technical issues that processing technology is complicated, production efficiency is low and surface spray coating using carbon steel splicing.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: filter, including shell, coupling tube
And screen modules, the screen modules are set in the shell and are cooperatively connected with the inner wall of the shell, the shell
Be integrally formed part, and the both ends of the shell axial direction all have necking section, and two necking sections are fixedly connected to
The coupling tube.
Preferably, the necking section includes the conical section and straight pipe that a diameter successively decreases, the straight pipe and the taper
Section is connected and is in axial direction arranged, the coupling tube is fixedly connected with the straight pipe.
Preferably, the coupling tube is welded and fixed with the straight pipe.
Preferably, the coupling tube is embedded in the straight pipe, and the outer wall that the coupling tube is contacted with the straight pipe
Equipped with drawing pattern.
Preferably, the outer end of the coupling tube flushes setting with the end of the straight pipe.
Preferably, the outer end of the coupling tube extends out to except the straight pipe and forms a linkage section.
Preferably, the outer end of the coupling tube extends out to except the straight pipe and forms a cladding section, the cladding
The end abutment of section and the straight pipe, and the outer wall of the cladding section flushes setting with the outer wall of the straight pipe.
Preferably, the screen modules and the inner wall of the shell are welded and fixed.
Preferably, the outer wall punch forming of the shell have at least one towards the shell inner wall it is recessed annular it is recessed
Slot, the position projection that the inner wall of the shell corresponds to the annular groove form annular protrusion, the screen modules and institute
State annular protrusion clamping.
Preferably, the shell is integrally formed system by stainless steel or copper.
The utility model use another solution is that a kind of air conditioner comprising refrigerant pipe and above-mentioned filter,
The refrigerant pipe is fixedly connected with the coupling tube.
The air conditioner of the utility model has above-mentioned filter due to using, then the filter of air conditioner can be promoted
Production efficiency, while the shell of the filter using in addition to carbon steel structure new material be integrally formed manufacture, it is no longer necessary to
Outer in shell avoids increasing spray coating, therefore can reduce spray coating easy burn-out and lead to the connection between shell and coupling tube
There is the risk of leakage in place, so that the use of air conditioner is safer.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of filter provided by the embodiment of the utility model.
Fig. 2 is the Section View of filter provided by the embodiment of the utility model.
Fig. 3 is the structural schematic diagram that filter provided by the embodiment of the utility model is connected with refrigerant pipe.
Fig. 4 is the structural schematic diagram of the coupling tube of filter provided by the embodiment of the utility model.
Fig. 5 is the structure of the coupling tube of filter provided by the embodiment of the utility model and the first way of cage connection
Schematic diagram.
Fig. 6 is the structure of the coupling tube of filter provided by the embodiment of the utility model and the second way of cage connection
Schematic diagram.
Fig. 7 is the structure of the coupling tube of filter provided by the embodiment of the utility model and the third mode of cage connection
Schematic diagram.
Wherein, each appended drawing reference in figure:
10-shell 11-necking, 12-annular grooves of section
13-annular protrusion 20-coupling tube, 21-drawing patterns
22-linkage section 23-cladding, 30-screen modules of section
40-refrigerant pipe 111-conical section, 112-straight pipes.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining the description of attached drawing 1~7 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment one.
As shown in Fig. 1~2, a kind of filter provided by the embodiment of the utility model is mainly used in being used in combination in air conditioner
In connection refrigerant pipe 40.Specifically, filter includes shell 10, coupling tube 20 and screen modules 30, the screen modules
30 are set in the shell 10 and are cooperatively connected with the inner wall of the shell 10, wherein the screen modules 30 with it is described outer
Mating connection between the inner wall of shell 10 is either non-removable connection is also possible to removably connect, the shell 10
Be integrally formed part, shell 10 be integrally formed part may be implemented be integrally formed manufacture, do not needing in this way using carbon steel structure
Splicing manufacture, the new material of spraying can be exempted from using other in addition to carbon steel structure by being integrally formed part, preferably stainless steel or
Person's copper, so as to improve the Corrosion Protection of shell 10.
Further, as shown in Figures 1 to 3, the both ends of 10 axial direction of shell all have necking section 11, by outside
The both ends setting necking section 11 of 10 axial direction of shell can make the both ends of 10 axial direction of shell form lesser interface, then
The size of two necking sections 11 can be made to be capable of the nozzle size of matching transition pipe 20, so convenient for say shell 10 with
Coupling tube 20 is fixedly connected.
The filter of the utility model embodiment, shell 10 do not need to carry out splicing process using part is integrally formed, can
To simplify the manufacturing technology steps of shell 10 in the premise of the intensity and filter effect that meet filter, it is raw to improve shell 10
Produce efficiency；Meanwhile integrated molding part can be using the new material in addition to carbon steel structure, therefore, 10 outer surface of shell does not need
Increase spray coating, so no longer there are high anti-corrosive properties, and spraying process can be reduced, improve the production efficiency of filter.
More specifically, first carrying out necking to one end of 10 axial direction of shell after shell 10 is integrally formed by new material
Processing, and then necking section 11 is processed at the end, then screen modules 30 are never carried out to the axis of the shell 10 of necking processing
It is pressed into shell 10 to the other end in direction, and screen modules 30 and the inner wall of shell 10 is fixedly connected, finally existed
The end for not carrying out necking processing to shell 10 carries out necking processing, meanwhile, coupling tube is fixedly connected in two necking sections 11
20, filter can be made to be easy to implement by the setting of the coupling tube 20 and be connect with refrigerant pipe 40.
In the present embodiment, as shown in Figures 1 to 3, the necking section 11 includes the conical section 111 and straight pipe that a diameter successively decreases
112, the straight pipe 112 connect with the conical section 111 and in axial direction arranges, the coupling tube 20 and the straight pipe
112 are fixedly connected.Specifically, the conical section 111 that diameter successively decreases can make shell 10 close to the position at its axial direction both ends
Space gradually become smaller, the screen modules 30 being fixed in shell 10 can be effectively prevented in this way will not be from the both ends of shell 10
Abjection；Secondly, the slave conical section 111 of shell 10 is smoothly transitted into straight pipe 112, can be adapted to by the straight pipe 112 and mistake
The connection of pipe 20 is crossed, since coupling tube 20 is smaller, auxiliary adapter setting can be reduced by the setting of straight pipe 112
Pass through straight pipe 112 and the connection realization coupling tube 20 of coupling tube 20 and being fixedly connected for shell 10.
In the present embodiment, the one of which that the coupling tube 20 is fixedly connected with the straight pipe 112 is preferably
Using being welded and fixed.By being welded and fixed, it can be ensured that coupling tube 20 and the connective stability of straight pipe 112 are good, persistently resistance to
With；Also, welding procedure is simple to operation, the dress to coupling tube 20 and straight pipe 112 can be rapidly completed when manufacturing
Match, high production efficiency.
In addition, welding temperature when coupling tube 20 and the welding of straight pipe 112 operate is greater than 810 DEG C, since straight pipe 112 belongs to
Welding temperature when welding operation in a part of shell 10, i.e., between coupling tube 20 and shell 10 is greater than 810 DEG C, so that
Coupling tube 20 carries out under a high-temperature when fixed, then subsequent use temperature when filter and the welding of refrigerant pipe 40
Degree can be well below 810 DEG C, therefore temperature when welding refrigerant pipe 40 does not interfere with the weldering between coupling tube 20 and shell 10
Connect the stability at place, so it is possible to prevente effectively from because welding refrigerant pipe 40 and caused by exist between shell 10 and coupling tube 20
The risk of leakage occurs.
Further, as shown in Figure 2 and Figure 4, the coupling tube 20 is embedded in the straight pipe 112, and the coupling tube
20 outer walls contacted with the straight pipe 112 are equipped with drawing pattern 21.I.e. coupling tube 20 is embedded in the part-structure in straight pipe 112
Outer wall on be provided with drawing pattern 21, which can be formed by drawing process processing.It is designed in this way, then in transition
In the welding process of pipe 20 and straight pipe 112, solder can preferably be accommodated by the drawing pattern 21 in coupling tube 20, increase weldering
Expect the contact area simultaneously with straight pipe 112 and coupling tube 20, greatly promotes and be welded and fixed between coupling tube 20 and straight pipe 112
Stability and reliability afterwards.
In the present embodiment, as shown in figure 5, the first structure of the coupling tube 20 is: the outer end of the coupling tube 20 with
The end of the straight pipe 112 flushes setting.Specifically, the coupling tube 20 of this kind of structure is completely embedded into straight pipe 112 simultaneously
Be welded and fixed with straight pipe 112, so filter total length always in the case where, shell 10 can be designed longer, i.e.,
The length of shell 10 is improved, so that the screen modules 30 being set in shell 10 can be designed bigger, then filter screen group
The effective filtration area of part 30 is obtained increasing and be arrived, and promotes filter quality.
In the present embodiment, as shown in fig. 6, second of structure of the coupling tube 20 is: prolonging the outer end of the coupling tube 20
It extend out to except the straight pipe 112 and forms a linkage section 22.Specifically, the design of the coupling tube 20 of this kind of structure can be due to
Form the linkage section 22 for extending out to a distance except straight pipe 112, then the linkage section 22 can be used for it is cold
Matchmaker's pipe 40 connects, and the size of linkage section 22 can design optimal size and be connect with being adapted to refrigerant pipe 40, convenient for assembly, and
It is not influenced by 112 size of straight pipe.
In the present embodiment, as shown in fig. 7, the third structure of the coupling tube 20 is: prolonging the outer end of the coupling tube 20
It is extend out to except the straight pipe 112 and is formed a cladding section 23, the cladding section 23 and the end of the straight pipe 112 are supported
It connects, and the outer wall of the cladding section 23 flushes setting with the outer wall of the straight pipe 112.Specifically, the coupling tube of this kind of structure
20 design forms the cladding section 23 of an end for enveloping straight pipe 112, can be to straight pipe by cladding section 23
Isolation is played the role of in 112 end, in this way, avoiding solder and straight pipe 112 in welding transition pipe 20 and refrigerant pipe 40
Contact improves welding quality.
In the present embodiment, the screen modules 30 can at least realize the inside with shell 10 by following two mode
It is fixedly connected:
First way is: the screen modules 30 and the inner wall of the shell 10 are welded and fixed.By welding incited somebody to action
Net-filter assembly 30 is fixed on the inner wall of shell 10, it can be ensured that screen modules 30 are fixed on the stability on the inner wall of shell 10
And reliability, i.e. screen modules 30 are less prone to the problem of falling off after being fixedly mounted.
The second way is: as shown in Fig. 2, the outer wall punch forming of the shell 10 has at least one towards the shell
The recessed annular groove 12 of 10 inner wall, the position projection that the inner wall of the shell 10 corresponds to the annular groove 12 form ring
Shape protrusion 13, the screen modules 30 are clamped with the annular protrusion 13.In the outer wall of shell 10 i.e. by way of punching press
Upper formation annular groove 12, in this way, the annular groove 12 be recessed so that shell 10 inside formed annular protrusion 13, then incited somebody to action
When net-filter assembly 30 is set in shell 10, the structure and the convex annular that are embedded in connection can will may be implemented in screen modules 30
13 clampings are played, the fixation of screen modules 30, ease of assembly can be completed in this way.
Also, the setting of annular protrusion 13 can also play the role of location and installation, and annular groove 12 can play display
The effect of 30 installation site of screen modules.
Wherein, the quantity of annular groove 12 can be set as two or three or more according to the actual situation, equally, be formed
Annular protrusion 13 also be two or three or more.
As shown in Figures 1 to 3, the filter of the present embodiment manufactures by the following method, specifically comprises the following steps:
S01: sprayed on material is exempted from offer, and exempts from sprayed on material integrated molding using this and a shell 10 is made；
S02: necking processing is carried out to one end of 10 axial direction of shell and forms necking section 11；
S03: screen modules 30 are provided, by the screen modules 30 in another side pressure of 10 axial direction of shell
Enter and is cooperatively connected with the inner wall of the shell 10；
S04: necking processing is carried out to the other end of 10 axial direction of shell and forms necking section 11；
S05: coupling tube 20 is separately connected in the necking section 11 at the both ends of 10 axial direction of shell.Wherein,
Coupling tube 20 with refrigerant pipe 40 for connecting.
The filter produced by the manufacturing method of the filter of the utility model embodiment, shell 10 is using except carbon
New material except steel construction is integrally formed manufacture, does not need to carry out splicing process, can be in the intensity and mistake for meeting filter
In the premise for filtering effect, simplify the manufacturing technology steps of shell 10, improves 10 production efficiency of shell；Meanwhile shell can be made
10 anti-corrosive properties improve, and therefore, 10 outer surface of shell does not need to increase spray coating, it is possible to reduce spraying process improves filter
Production efficiency.
In the step S03 of the present embodiment, screen modules 30 and the mating connection of the inner wall of shell 10 can at least be used
Following two mode:
One is: the screen modules 30 and the inner wall of the shell 10 are welded and fixed.By welding filter screen
Component 30 is fixed on the inner wall of shell 10, it can be ensured that screen modules 30 are fixed on the stability on the inner wall of shell 10 and can
By property, i.e. screen modules 30 are less prone to the problem of falling off after being fixedly mounted.
The second is: it is recessed in the inner wall of outer wall punch forming at least one towards the shell 10 of the shell 10 so that
The inner wall projection of the shell 10 forms the annular groove 12 of annular protrusion 13, and by the screen modules 30 and the annular
Protrusion 13 is clamped.Specifically, annular groove 12 is formed on the outer wall of shell 10 by way of punching press, in this way, the annular is recessed
Slot 12 is recessed so that the inside of shell 10 forms annular protrusion 13, then when screen modules 30 are set in shell 10, it can be with
The structure that may be implemented to be embedded in connection in screen modules 30 is clamped with the annular protrusion 13, filter screen group can be completed in this way
The fixation of part 30, ease of assembly.
Also, the setting of annular protrusion 13 can also play the role of location and installation, and annular groove 12 can play display
The effect of 30 installation site of screen modules.
Wherein, the quantity of annular groove 12 can be set as two or three or more according to the actual situation, equally, be formed
Annular protrusion 13 also be two or three or more.
Such as in the step S03, in the shell 10 outer wall punch forming one towards in the shell 10
Wall it is recessed so that the shell 10 inner wall projection formed annular protrusion 13 annular groove 12, be pressed into the screen modules 30
When in the shell 10 end of the screen modules 30 is flushed with the annular protrusion 13；In the shell 10
The outer wall punch forming another inner wall towards the shell 10 is recessed so that the inner wall projection of the shell 10 forms convex annular
13 annular groove 12 is played, and retains the end of the screen modules 30 by two annular protrusions 13.Made with this
The inner wall of the end and shell 10 that obtain screen modules 30 is clamped.
Further, in the step S05, the coupling tube 20 is welded and fixed with the necking section 11.Pass through welding
Fixed mode can reinforce the connective stability of coupling tube 20 Yu necking section 11.
Further, the welding temperature in the step S05, when the coupling tube 20 is welded with the necking section 11
Greater than 810 DEG C.Weldering when operation is welded since necking section 11 belongs to a part of shell 10, i.e., between coupling tube 20 and shell 10
Jointing temp is greater than 810 DEG C, coupling tube 20 can be made to carry out under a high-temperature when fixed in this way, then subsequent
Temperature can be well below 810 DEG C when being welded using filter and refrigerant pipe 40, therefore temperature when welding refrigerant pipe 40 will not shadow
The stability to the weld between coupling tube 20 and shell 10 is rung, so it is possible to prevente effectively from making because of welding refrigerant pipe 40
At shell 10 and coupling tube 20 between exist leakage risk occur.
Preferably, in the step S01, exempting from sprayed on material is stainless steel or copper.Pass through stainless steel or copper one
The body formed shell 10 that produces can effectively improve the Corrosion Protection of shell 10.
Embodiment two.
The present embodiment provides a kind of air conditioners comprising refrigerant pipe 40 and above-mentioned filter, the refrigerant pipe 40 and institute
Coupling tube 20 is stated to be fixedly connected.Specifically, the air conditioner of the utility model embodiment has above-mentioned filter due to using, that
The production efficiency of the filter of air conditioner can be promoted, while the shell 10 of the filter is using new in addition to carbon steel structure
Material is integrally formed manufacture, it is no longer necessary to which outer in shell 10 avoids increasing spray coating, therefore can reduce spray coating easy burn-out
And the junction between shell 10 and coupling tube 20 is caused to there is the risk leaked, so that the use of air conditioner is safer.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (11)
1. a kind of filter, it is characterised in that: including shell, coupling tube and screen modules, the screen modules are set to institute
It states in shell and is cooperatively connected with the inner wall of the shell, the shell is integrally formed part, and the shell axial direction
Both ends all have necking section, and two necking sections are fixedly connected to the coupling tube.
2. filter according to claim 1, it is characterised in that: the necking section include the conical section that successively decreases of a diameter and
Straight pipe, the straight pipe connect with the conical section and in axial direction arrange, the coupling tube is fixed with the straight pipe
Connection.
3. filter according to claim 2, it is characterised in that: the coupling tube is welded and fixed with the straight pipe.
4. filter according to claim 3, it is characterised in that: the coupling tube is embedded in the straight pipe, and described
The outer wall that coupling tube is contacted with the straight pipe is equipped with drawing pattern.
5. filter according to claim 2, it is characterised in that: the end of the outer end of the coupling tube and the straight pipe
Flush setting.
6. filter according to claim 2, it is characterised in that: the outer end of the coupling tube extends out to the straight pipe
Except and formed a linkage section.
7. filter according to claim 2, it is characterised in that: the outer end of the coupling tube extends out to the straight pipe
Except and formed one cladding section, it is described cladding section and the straight pipe end abutment, and it is described coat section outer wall with it is described
The outer wall of straight pipe flushes setting.
8. described in any item filters according to claim 1~7, it is characterised in that: the screen modules and the shell
Inner wall be welded and fixed.
9. described in any item filters according to claim 1~7, it is characterised in that: the outer wall punch forming of the shell has
At least one annular groove recessed towards the inner wall of the shell, the inner wall of the shell correspond to the position of the annular groove
It sets projection and forms annular protrusion, the screen modules and the annular protrusion are clamped.
10. described in any item filters according to claim 1~7, it is characterised in that: the shell passes through stainless steel or copper one
It is body formed and make.
11. a kind of air conditioner, it is characterised in that: described including refrigerant pipe and the described in any item filters of claim 1~10
Refrigerant pipe is fixedly connected with the coupling tube.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005858.7U CN208442980U (en) | 2018-06-27 | 2018-06-27 | Filter and air conditioner |
| EP18924370.2A EP3657083B1 (en) | 2018-06-27 | 2018-12-27 | Filter, manufacturing method for filter and air conditioner |
| PCT/CN2018/124324 WO2020000964A1 (en) | 2018-06-27 | 2018-12-27 | Filter, manufacturing method for filter and air conditioner |
| US16/631,822 US11598553B2 (en) | 2018-06-27 | 2018-12-27 | Filter, manufacturing method for filter and air conditioner |
| ES18924370T ES2939277T3 (en) | 2018-06-27 | 2018-12-27 | Filter, manufacturing procedure for filter and air conditioner |
| US18/163,875 US11828485B2 (en) | 2018-06-27 | 2023-02-03 | Filter, manufacturing method for filter and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005858.7U CN208442980U (en) | 2018-06-27 | 2018-06-27 | Filter and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208442980U true CN208442980U (en) | 2019-01-29 |
Family
ID=65087544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821005858.7U Active CN208442980U (en) | 2018-06-27 | 2018-06-27 | Filter and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208442980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758900A (en) * | 2018-06-27 | 2018-11-06 | 广东美的暖通设备有限公司 | Filter, the manufacturing method of filter and air conditioner |
| US11828485B2 (en) | 2018-06-27 | 2023-11-28 | Gd Midea Heating & Ventilating Equipment Co., Ltd. | Filter, manufacturing method for filter and air conditioner |
-
2018
- 2018-06-27 CN CN201821005858.7U patent/CN208442980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758900A (en) * | 2018-06-27 | 2018-11-06 | 广东美的暖通设备有限公司 | Filter, the manufacturing method of filter and air conditioner |
| US11828485B2 (en) | 2018-06-27 | 2023-11-28 | Gd Midea Heating & Ventilating Equipment Co., Ltd. | Filter, manufacturing method for filter and air conditioner |
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