CN204176804U - Air-conditioner outdoor unit and air outlet grate thereof - Google Patents
Air-conditioner outdoor unit and air outlet grate thereof Download PDFInfo
- Publication number
- CN204176804U CN204176804U CN201420373085.3U CN201420373085U CN204176804U CN 204176804 U CN204176804 U CN 204176804U CN 201420373085 U CN201420373085 U CN 201420373085U CN 204176804 U CN204176804 U CN 204176804U
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- China
- Prior art keywords
- air outlet
- outlet grate
- air
- annular rib
- main muscle
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Abstract
The utility model discloses a kind of air-conditioner outdoor unit and air outlet grate thereof, air outlet grate comprises frame, be arranged at frame in and with the concentric multiple annular rib that arranges of described frame and the multiple and described annular rib main muscle of curve arranged in a crossed manner, angle between the wind-guiding face of each described annular rib and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and the wind-guiding face of described annular rib tilts near the direction of frame gradually along air-out direction.When there is the air-flow of the centripetal anglec of rotation through annular rib, air-flow not only can also can move radially along it along moving axially of air outlet grate, and then reduce annular rib to the resistance of air-flow with centripetal angular speed, consequently reduce the loss of off-premises station air output, enhance heat transfer effect, and decrease noise.
Description
Technical field
The utility model relates to air-conditioning technical field, more particularly, relates to a kind of air-conditioner outdoor unit and air outlet grate thereof.
Background technology
The air outlet grate of air-conditioner outdoor unit is generally arranged on the casing of off-premises station, and is positioned at air outlet place, and its Main Function is wind-guiding rectification and security protection.Air outlet grate comprises the annular rib of the main muscle of multiple curve and multiple concentric setting, and multiple annular rib is arranged along the spaced radial of air outlet grate, the main muscle of curve is involute shape, and the main muscle of multiple curve distributes along the circumference of air outlet grate, and the concave surface of the main muscle of multiple curve is all towards clockwise direction or counter clockwise direction, namely the main muscle of multiple curve is all towards bending clockwise or counterclockwise.Wherein the wind-guiding face of annular rib and the main muscle of curve is generally all parallel to the axis of air outlet grate, namely between the wind-guiding face of annular rib and the main muscle of curve and the axis of air outlet grate, angle is 0 °, the inboard of annular rib is the same with the bore in outside, wherein inboard side of depending on nearly blower fan, outside is the side away from blower fan, inboard is inlet side, and outside is then air side.
The blower fan that off-premises station inside is installed is generally axial flow blower, during axial flow blower high-speed rotation, the air-flow with centrifugal effect can be produced, air-flow is finally through air outlet grate blowout off-premises station, but still the centripetal anglec of rotation can be there is through air outlet grate in air-flow, so there is the air-flow of the centripetal anglec of rotation through air outlet grate, the resistance in the wind-guiding face of annular rib and the main muscle of curve can be subject to, and then cause wind loss, and the wind-guiding face shock of air-flow and annular rib and the main muscle of curve can produce noise, the noise of off-premises station is made to increase accordingly.
In sum, how effectively to reduce the loss of off-premises station air output and to reduce noise, be current those skilled in the art's urgent problem.
Utility model content
In view of this, first object of the present utility model is to provide a kind of air outlet grate, the structural design of this air outlet grate effectively can reduce the loss of off-premises station air output and reduce noise, and second object of the present utility model is to provide a kind of air-conditioner outdoor unit comprising above-mentioned air outlet grate.
In order to reach above-mentioned first object, the utility model provides following technical scheme:
A kind of air outlet grate, comprise frame, be arranged at frame in and with the concentric multiple annular rib that arranges of described frame and the multiple and described annular rib main muscle of curve arranged in a crossed manner,
Angle between the wind-guiding face of each described annular rib and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and the wind-guiding face of described annular rib tilts near the direction of frame gradually along air-out direction.
Preferably, in above-mentioned air outlet grate, the angle between the inlet side in wind-guiding face of described annular rib and the axis of air outlet grate is 0 °-5 °, and the angle between the air side in wind-guiding face of described annular rib and the axis of air outlet grate is 10 °-15 °.
Preferably, in above-mentioned air outlet grate, one end of the axis away from air outlet grate of the main muscle of each described curve is reversed to its concave side, and the wind-guiding face of the main muscle of each described curve is torsional surface.
Preferably, in above-mentioned air outlet grate, adjacent two described annular ribs are connected with the inlet side of the main muscle of described curve and air side respectively.
Preferably, in above-mentioned air outlet grate, described frame comprises the interior frame and outer rim that arrange with one heart, and the main muscle of curve comprises first point of main muscle and second point of main muscle, and one end of described first point of main muscle is connected with described outer rim, and the other end is connected with described interior frame;
One end of described second point of main muscle is connected with described outer rim, interval setpoint distance between the other end and described interior frame.
Preferably, in above-mentioned air outlet grate, spherical crown surface outwardly centered by the air outlet grate front surface be made up of the air side of described annular rib and the air side of curve rib.
A kind of air-conditioner outdoor unit, comprises casing, air outlet grate and axial flow blower, and described air outlet grate is the air outlet grate according to any one of such as above-mentioned.
Preferably, in above-mentioned air-conditioner outdoor unit, the frame of described air outlet grate is fixedly connected with described casing by multiple screw, and multiple described screw is uniformly distributed along the circumference of described frame.
Preferably, in above-mentioned air-conditioner outdoor unit, described frame is provided with the locating dowel of multiple projection, and described casing is provided with the detent with described locating dowel adaptation.
Preferably, in above-mentioned air-conditioner outdoor unit, described axial flow blower rotates counterclockwise, and the main muscle of curve of described air outlet grate is bending towards counter clockwise direction by center to the edge of air outlet grate.
Preferably, in above-mentioned air-conditioner outdoor unit, described axial flow blower rotates clockwise, and the main muscle of curve of described air outlet grate is bending towards clockwise direction by center to the edge of air outlet grate.
The air outlet grate that the utility model provides, comprise frame, multiple annular rib and the main muscle of multiple curve, wherein multiple annular rib is all concentric with frame is arranged, the main muscle of multiple curve and annular rib arranged in a crossed manner, annular rib and curve rib are all arranged in frame, it focuses on, angle between the wind-guiding face of each annular rib and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and the wind-guiding face of annular rib tilts near the direction of frame gradually along air-out direction.Namely the angle between the inlet side in wind-guiding face of annular rib and the axis of air outlet grate is less than the angle between the axis of its air side and air outlet grate, and by the inlet side in the wind-guiding face of annular rib to air side, the angle between the axis of annular rib wind-guiding face and air outlet grate increases gradually.Wherein, wind-guiding face is the side of annular rib, and the inlet side in wind-guiding face refers to that the side of the axial flow blower of the close off-premises station in wind-guiding face, the inlet side in wind-guiding face refer to the side of the axial flow blower away from off-premises station in wind-guiding face.
During the air outlet grate that application the utility model provides, the air-flow with the centripetal anglec of rotation of axial flow blower blowout is through air outlet grate, because the angle between the wind-guiding face of annular rib and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and by the inlet side in the wind-guiding face of annular rib to air side, angle between the axis of annular rib wind-guiding face and air outlet grate increases gradually, therefore when there is the air-flow of the centripetal anglec of rotation through annular rib, air-flow not only can also can move radially along it along moving axially of air outlet grate, and then reduce annular rib to the resistance of air-flow with centripetal angular speed, consequently reduce the loss of off-premises station air output, enhance heat transfer effect, and decrease noise.
In order to reach above-mentioned second object, the utility model additionally provides a kind of air-conditioner outdoor unit, and this air-conditioner outdoor unit comprises any one air outlet grate above-mentioned, and this air outlet grate is installed on the air outlet place of air-conditioner outdoor unit.Because above-mentioned air outlet grate has above-mentioned technique effect, the air-conditioner outdoor unit with this air outlet grate also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front view of the air outlet grate that Fig. 1 provides for a kind of embodiment of the utility model;
Fig. 2 is the sectional view along A-A in Fig. 1;
Fig. 3 is the partial enlarged drawing in a region in Fig. 2;
The structural representation of the air outlet grate that Fig. 4 provides for the utility model embodiment;
The structural representation of first point of main muscle that Fig. 5 provides for the utility model embodiment and second point of main muscle;
The front view of the air outlet grate that Fig. 6 provides for the another kind of embodiment of the utility model;
The test data of experiment correlation curve figure of the air outlet grate that Fig. 7 provides for the utility model embodiment and air outlet grate of the prior art.
In accompanying drawing, mark is as follows:
Frame in 1-annular rib, the main muscle of 2-curve, 21-first point of main muscle, 22-second point of main muscle, 3-frame, 31-outer rim, 32-.
Detailed description of the invention
First object of the present utility model is to provide a kind of air outlet grate, the structural design of this air outlet grate effectively can reduce the loss of off-premises station air output and reduce noise, and second object of the present utility model is to provide a kind of air-conditioner outdoor unit comprising above-mentioned air outlet grate.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 6, the air outlet grate that the utility model provides, comprise frame 3, multiple annular ribs 1 and the main muscle 2 of multiple curve, wherein multiple annular rib 1 is all arranged with frame 3 is concentric, the main muscle of multiple curve 2 is arranged in a crossed manner with annular rib 1, annular rib 1 and curve rib are all arranged in frame 3, it focuses on, angle between the wind-guiding face of each annular rib 1 and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and the wind-guiding face of annular rib 1 tilts near the direction of frame 3 gradually along air-out direction.Namely the angle between the inlet side in wind-guiding face of annular rib 1 and the axis of air outlet grate is less than the angle between the axis of its air side and air outlet grate, and by the inlet side in the wind-guiding face of annular rib 1 to air side, the angle between the axis of annular rib 1 wind-guiding face and air outlet grate increases gradually.Wherein, wind-guiding face is the side of annular rib 1, and the inlet side in wind-guiding face refers to that the side of the axial flow blower of the close off-premises station in wind-guiding face, the inlet side in wind-guiding face refer to the side of the axial flow blower away from off-premises station in wind-guiding face.
During the air outlet grate that application the utility model provides, the air-flow with the centripetal anglec of rotation of axial flow blower blowout is through air outlet grate, because the angle between the wind-guiding face of annular rib 1 and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and by the inlet side in the wind-guiding face of annular rib 1 to air side, angle between the axis of annular rib 1 wind-guiding face and air outlet grate increases gradually, therefore when the air-flow with the centripetal anglec of rotation is through annular rib 1, air-flow not only can also can move radially along it along moving axially of air outlet grate, and then reduce annular rib 1 to the resistance of air-flow with centripetal angular speed, consequently reduce the loss of off-premises station air output, enhance heat transfer effect, and decrease noise.
Wherein frame 3 can entirety be circular, square etc.Distance between the adjacent main muscle 2 of two curves increases from the center of air outlet grate gradually to edge.
Draw through utility model people many experiments, angle when between the inlet side in wind-guiding face and the axis of air outlet grate of annular rib 1 is 0 °-5 °, and the angle between the air side in wind-guiding face of annular rib 1 and the axis of air outlet grate is when being 10 °-15 °, the air output of off-premises station is comparatively large and noise is lower, therefore the angle between the inlet side in wind-guiding face of annular rib 1 and the axis of air outlet grate can be 0 °-5 °, the angle between the air side in wind-guiding face of annular rib 1 and the axis of air outlet grate can be 10 °-15 °.Certainly, the angle between the inlet side in wind-guiding face of annular rib 1 and the axis of air outlet grate and the angle between the air side in wind-guiding face of annular rib 1 and the axis of air outlet grate can also be other angle value, in this no limit.
As shown in Figure 5, in order to improve air output further and reduce noise, wherein one end of the axis away from air outlet grate of the main muscle 2 of each curve is reversed to its concave side, the wind-guiding face realizing the main muscle 2 of each curve with this is for torsional surface, namely by the axis of air outlet grate to edge, the wind-guiding face of the main muscle of curve 2 is reversed to the concave side of the main muscle 2 of curve gradually, and the opening direction namely towards the main muscle of curve 2 reverses (wherein curve main muscle 2 side depression, the edge of this depression forms opening).So when the air-flow with the centripetal anglec of rotation of axial flow blower blowout is through air outlet grate, because the wind-guiding face of the main muscle 2 of curve is torsional surface, therefore have the air-flow of the centripetal anglec of rotation when curve main muscle 2, the wind-guiding face of the main muscle of curve 2 can make air-flow along its centripetal angular speed direction inclination water conservancy diversion.And then the resistance of wind-guiding in the face of air-out air-flow of the main muscle 2 of curve can be reduced, and then reduce the loss of air output, but also the noise of off-premises station can be reduced.
Through many experiments, utility model people show that to realize data as follows:
Table 1 contrasts with the test data of experiment of air outlet grate of the prior art
Refer to Fig. 7 simultaneously, the test data of experiment correlation curve figure of the air outlet grate that Fig. 7 provides for the utility model embodiment and air outlet grate of the prior art, drawn by table 1 and Fig. 7, when the air output of the air outlet grate that the utility model embodiment provides is equal with the air output of air outlet grate of the prior art, then the noise of air outlet grate that the utility model embodiment provides is starkly lower than air outlet grate of the prior art.When the noise that air outlet grate that the utility model embodiment provides produces is equal with the noise that air outlet grate of the prior art produces, then the air output of air outlet grate that provides of the utility model embodiment is apparently higher than the air output of air outlet grate of the prior art.Thus draw, the structural design of the air outlet grate that this utility model provides effectively can reduce off-premises station noise and reduce the loss of noise content.
As shown in Figure 2, adjacent two the annular ribs 1 respectively inlet side of muscle 2 main with curve and air side are connected, namely in adjacent two annular ribs 1, one is fixedly mounted on the inlet side of the main muscle 2 of curve, then another is arranged on the air side of the main muscle 2 of curve, multiple annular rib 1 like this is crisscross arranged, and can strengthen the strength and stiffness of this air outlet grate.
Frame 3 can comprise the interior frame 32 and outer rim 31 that arrange with one heart, and one end that the main muscle of curve 2 comprises first point of main muscle 21 and second point of main muscle, 22, first point of main muscle 21 is connected with outer rim 31, and the other end is connected with interior frame 32.One end of second point of main muscle 22 is connected with outer rim 31, interval setpoint distance between the other end and interior frame 32.Interval setpoint distance between second point of main muscle 22 like this and interior frame 32, can reduce the density of the rib around interior frame 32, and the air-flow be more convenient to around interior frame 32 is discharged, and further increases air output.Further, can arrange two second point of main muscle 22 every three first point main muscle 21, namely three first point main muscle 21 and two second point main muscle 22 form one group, arrange and organize more.Certainly, first point of main muscle 21 and second point of main muscle 22 can also be arranged according to other modes, such as arrange two second point of main muscle 22 every four first point main muscle 21, in this no limit.
In addition, the main muscle 2 of multiple curve also can all be connected with outer rim 31 one end, and the other end is connected with interior frame 32, is not limiting at this.
In the present embodiment, the air outlet grate front surface be made up of the air side of annular rib 1 and the air side of curve rib can centered by outwardly spherical crown surface, wherein air outlet grate front surface is its surface away from axial flow blower, be set to the spherical crown surface protruded to the direction away from axial flow blower, when pressing air outlet grate front surface so when mounted, it is more not yielding, and crushing resistance is higher.Certainly, the air outlet grate front surface be made up of the air side of annular rib 1 and the air side of curve rib also can be plane, in this no limit.
Based on the air outlet grate provided in above-described embodiment, the utility model additionally provides a kind of air-conditioner outdoor unit, and this air-conditioner outdoor unit comprises casing, air outlet grate and axial flow blower, and wherein air outlet grate is any one air outlet grate in above-described embodiment.The air outlet grate in above-described embodiment is have employed, so the beneficial effect of this air-conditioner outdoor unit please refer to above-described embodiment due to this air-conditioner outdoor unit.
Wherein, the frame 3 of air outlet grate can be fixedly connected with casing by multiple screw, and multiple screw is uniformly distributed along the circumference of frame 3.Further, the quantity of screw can be four, in this no limit.
Further, in order to prevent air outlet grate from installing dislocation, frame 3 can be provided with the locating dowel of multiple projection, casing being provided with the detent with locating dowel adaptation simultaneously, so when installing, locating dowel is placed in after in detent, then carries out connecting.Certainly, the quantity of locating dowel can be four, and is distributed in the gap between four screws, and the central angle between locating dowel and screw is 45 °.
Need be corresponding with axial flow blower when air outlet grate is installed, when axial flow blower rotates counterclockwise, the main muscle 2 of curve of air outlet grate is bending towards counter clockwise direction by center to the edge of air outlet grate, the i.e. concave surface facing counter clockwise direction of the main muscle of curve 2, the bending direction of the main muscle of curve 2 so can be made identical with the centripetal angular speed direction of air-flow, and then realize improving the object that air output reduces noise.
In addition, when axial flow blower rotates clockwise, the main muscle 2 of curve of air outlet grate is bending towards clockwise direction by center to the edge of air outlet grate, the i.e. concave surface facing clockwise direction of the main muscle of curve 2, the bending direction of the main muscle of curve 2 can be made equally identical with the centripetal angular speed direction of air-flow, and then realize improving the object that air output reduces noise.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an air outlet grate, comprise frame (3), be arranged in frame (3) and with the concentric multiple annular rib (1) that arranges of described frame (3) and multiple and described annular rib (1) the main muscle of curve (2) arranged in a crossed manner, it is characterized in that
Angle between the wind-guiding face of each described annular rib (1) and the axis of air outlet grate is increased to edge gradually by the center of air outlet grate, and the wind-guiding face of described annular rib (1) tilts near the direction of frame (3) gradually along air-out direction.
2. air outlet grate according to claim 1, it is characterized in that, angle between the inlet side in wind-guiding face of described annular rib (1) and the axis of air outlet grate is 0 °-5 °, and the angle between the air side in wind-guiding face of described annular rib (1) and the axis of air outlet grate is 10 °-15 °.
3. air outlet grate according to claim 1, is characterized in that, one end of the axis away from air outlet grate of the main muscle of each described curve (2) is reversed to its concave side, and the wind-guiding face of the main muscle of each described curve (2) is torsional surface.
4. air outlet grate according to claim 1, is characterized in that, adjacent two described annular ribs (1) are connected with the inlet side of the main muscle of described curve (2) and air side respectively.
5. air outlet grate according to claim 1, it is characterized in that, described frame (3) comprises the interior frame (32) and outer rim (31) that arrange with one heart, the main muscle of curve (2) comprises first point of main muscle (21) and second point of main muscle (22), one end of described first point of main muscle (21) is connected with described outer rim (31), and the other end is connected with described interior frame (32);
One end of described second point of main muscle (22) is connected with described outer rim (31), interval setpoint distance between the other end and described interior frame (32).
6. air outlet grate according to claim 1, is characterized in that, spherical crown surface outwardly centered by the air outlet grate front surface be made up of the described air side of annular rib (1) and the air side of curve rib.
7. an air-conditioner outdoor unit, comprises casing, air outlet grate and axial flow blower, it is characterized in that, described air outlet grate is the air outlet grate such as according to any one of claim 1-6.
8. air-conditioner outdoor unit according to claim 7, is characterized in that, the frame (3) of described air outlet grate is fixedly connected with described casing by multiple screw, and multiple described screw is uniformly distributed along the circumference of described frame (3).
9. air-conditioner outdoor unit according to claim 7, is characterized in that, described frame (3) is provided with the locating dowel of multiple projection, and described casing is provided with the detent with described locating dowel adaptation.
10. air-conditioner outdoor unit according to claim 7, is characterized in that, described axial flow blower rotates counterclockwise, and the main muscle of curve (2) of described air outlet grate is bending towards counter clockwise direction by center to the edge of air outlet grate;
Or described axial flow blower rotates clockwise, the main muscle of curve (2) of described air outlet grate is bending towards clockwise direction by center to the edge of air outlet grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373085.3U CN204176804U (en) | 2014-07-04 | 2014-07-04 | Air-conditioner outdoor unit and air outlet grate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373085.3U CN204176804U (en) | 2014-07-04 | 2014-07-04 | Air-conditioner outdoor unit and air outlet grate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176804U true CN204176804U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420373085.3U Withdrawn - After Issue CN204176804U (en) | 2014-07-04 | 2014-07-04 | Air-conditioner outdoor unit and air outlet grate thereof |
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| Country | Link |
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| CN (1) | CN204176804U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048369A (en) * | 2014-07-04 | 2014-09-17 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air outlet grating thereof |
| CN105588232A (en) * | 2015-03-31 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Air conditioner air outlet structure |
| CN106016511A (en) * | 2016-07-14 | 2016-10-12 | 广东美的暖通设备有限公司 | Air outlet hood and air-conditioning outdoor unit equipped with same |
| CN106196539A (en) * | 2015-04-30 | 2016-12-07 | Tcl空调器(中山)有限公司 | Circular wind-guiding grate and floor air conditioner |
-
2014
- 2014-07-04 CN CN201420373085.3U patent/CN204176804U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048369A (en) * | 2014-07-04 | 2014-09-17 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air outlet grating thereof |
| CN104048369B (en) * | 2014-07-04 | 2016-10-05 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit and air outlet grate thereof |
| CN105588232A (en) * | 2015-03-31 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Air conditioner air outlet structure |
| CN105588232B (en) * | 2015-03-31 | 2019-05-10 | 青岛海信日立空调系统有限公司 | A kind of air conditioning exhausting structure |
| CN106196539A (en) * | 2015-04-30 | 2016-12-07 | Tcl空调器(中山)有限公司 | Circular wind-guiding grate and floor air conditioner |
| CN106196539B (en) * | 2015-04-30 | 2019-02-26 | Tcl空调器(中山)有限公司 | Round wind-guiding grate and floor air conditioner |
| CN106016511A (en) * | 2016-07-14 | 2016-10-12 | 广东美的暖通设备有限公司 | Air outlet hood and air-conditioning outdoor unit equipped with same |
| CN106016511B (en) * | 2016-07-14 | 2021-11-05 | 广东美的暖通设备有限公司 | Air outlet cover and air conditioner outdoor unit with same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150225 Effective date of abandoning: 20161005 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |