CN104501381B - Air-conditioner outdoor unit and its air outlet grate - Google Patents
Air-conditioner outdoor unit and its air outlet grate Download PDFInfo
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- CN104501381B CN104501381B CN201410725800.XA CN201410725800A CN104501381B CN 104501381 B CN104501381 B CN 104501381B CN 201410725800 A CN201410725800 A CN 201410725800A CN 104501381 B CN104501381 B CN 104501381B
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- air
- radial ribs
- air outlet
- annular
- face
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of air outlet grate, the grill body of air outlet is formed including intersecting, the air outlet has the windward side and outlet air surface positioned at the grill body both sides, and the outlet air surface is integrally in the annular wavy surface outwards extended as basic point with the center of the grill body.The invention also discloses a kind of air-conditioner outdoor unit.By making outlet air surface relative to height the changing according to certain rules in the radial direction in grill body of windward side, so as to change time of the air-flow by outlet air surface, the time difference for leaving outlet air surface using air-flow reduces the purpose of gas to reach, working stroke of the partial grid main body to air-flow is reduced simultaneously, therefore can be effectively reduced air-supply noise and power.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of air-conditioner outdoor unit and its air outlet grate.
Background technology
The air outlet grate of air-conditioner outdoor unit is typically mounted on the casing of outdoor unit, and at air outlet, is primarily served
Wind-guiding rectification and the effect of security protection.In the prior art, air outlet grate is broadly divided into circular and square this two class, and it includes
Multiple radial radial ribs and annular rib annular in shape, and radial ribs intersect setting, radial rib with annular rib
The end face that bar and annular rib are located inside and outside air outlet together constitutes windward side and outlet air surface, generally by windward side and goes out
Wind face is arranged to parallel plane, or windward side and outlet air surface are arranged towards the arc of the outside protrusion of air outlet
Face.
The blower fan that outdoor unit inside is installed is generally axial flow blower, during axial flow blower high-speed rotation, can produce with centrifugation
The air-flow of effect, eventually passes through air outlet grate blowout outdoor unit, and the aerodynamics of whole air draft process is complicated, if radial ribs
Planar structure is with the wind-guiding face of annular rib, then the air-flow with the centripetal anglec of rotation can undoubtedly be subject to radial ribs and ring
The resistance of the wind-guiding face of shape rib, is on the one hand to increase the air-flow crushing at air outlet grate, is on the other hand to produce noise.For
Such case, usual mentality of designing is the song that the wind-guiding face of radial ribs and annular rib is arranged to reverse certain angle
Face, to adapt to the direction of motion of air-flow, although this improvement increased air quantity to a certain extent, the noise reduction for being brought is imitated
It is really extremely limited.
In sum, it is current while reducing out wind noise how in the case where the loss of outdoor unit air output is reduced
This area problem demanding prompt solution.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
Go out the excessive technical problem of wind noise it is a primary object of the present invention to solve air outlet grate of the prior art.
To achieve the above object, the present invention provides a kind of air outlet grate, including grill body that is intersecting and forming air outlet,
The air outlet has the windward side and outlet air surface positioned at the grill body both sides, and the outlet air surface is in integrally with the grid
The center of main body is the annular wavy surface that basic point outwards extends.
Preferably, the grill body includes the annular rib of multiple interval arranged concentrics annular in shape and is connected to adjacent
The radial ribs of radial arrangement between two annular ribs；The end face of the radial ribs is in the axial direction along the grill body
Inwardly concaved on direction to form concave curved surface, the concave curved surface constitutes the trough of the wavy surface, the annular muscle
The end face of bar constitutes the crest of the wavy surface；Or, the end face of the radial ribs is in the axial direction side along the grill body
Outwardly to form evagination arcwall face upwards, the evagination arcwall face constitutes the crest of the wavy surface, the annular rib
End face constitute the trough of the wavy surface.
Preferably, the radial ribs between two adjacent annular ribs include the first radial ribs and the second radial ribs,
The height of first radial ribs is more than the height of second radial ribs, first radial ribs and second footpath
It is alternately distributed along the circumferential direction of the annular rib to rib.
Preferably, the grill body radial ribs adjacent in the radial direction in the circumference side of the annular rib
To setting of staggering.
Preferably, the grill body include the annular ribs of multiple interval arranged concentrics annular in shape and with the annular muscle
Bar intersects the radial radial ribs of setting；The part that the end face of the radial ribs is located between the annular rib of adjacent two exists
Inwardly concaved on axial direction along the grill body to form concave curved surface, the concave curved surface constitutes the wave
The trough in face, the end face of the annular rib constitutes the crest of the wavy surface；Or, the end face of the radial ribs is located at phase
Part between the annular rib of adjacent two is outwardly to form evagination arcwall face on along the axial direction of the grill body,
The evagination arcwall face constitutes the crest of the wavy surface, and the end face of the annular rib constitutes the trough of the wavy surface.
Preferably, the recessed depth of the concave curved surface is D1, and the height of the radial ribs is H, and 0.5 ＜ D1/H
＜ 1；Or, the protrusion height of the evagination arcwall face is D2, and the height of the radial ribs is H, and 0.5 ＜ D2/H ＜ 1.
Preferably, as the spacing between adjacent two annular ribs is on the direction at the center away from the grill body
Be gradually reduced, from the center of the grill body along the grill body in the radial direction per adjacent two annular ribs it
Between the height of radial ribs be sequentially reduced.
Preferably, the radial ribs between two adjacent annular ribs are equidistantly divided along the circumferential direction of the annular rib
Cloth.
Preferably, the radial ribs are formed as to the arc for bending clockwise or counterclockwise, and the radial rib
The wind-guiding face of bar is torsional surface.
Additionally, to achieve the above object, the present invention also provides a kind of air-conditioner outdoor unit, including aerofoil fan and goes out style
Grid, the air outlet grate is the air outlet grate described in any of the above-described technical scheme.
A kind of air-conditioner outdoor unit provided by the present invention extremely air outlet grate, designs integral in lattice by by outlet air surface
The center of grid main body be basic point outwards extend annular wavy surface so that outlet air surface relative to windward side height in grill body
Change according to certain rules in the radial direction, so as to change time of the air-flow by outlet air surface, outlet air surface is left using air-flow
Time difference reduce the purpose of gas to reach, while reduce working stroke of the partial grid main body to air-flow, therefore
Air-supply noise and power can be effectively reduced.
Brief description of the drawings
Fig. 1 is the axonometric drawing of the embodiment of air outlet grate of the invention；
Fig. 2 is the enlarged diagram of part A shown in Fig. 1；
Fig. 3 is the simplified structural representation of the radial ribs shown in Fig. 2；
Fig. 4 is the front view of the air outlet grate shown in Fig. 1；
Fig. 5 is sectional view of the air outlet grate shown in Fig. 3 along line B-B.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of air outlet grate, and referring to Fig. 1 to Fig. 5, in one embodiment, the air outlet grate is including intersecting
The grill body of air outlet is formed, wherein air outlet has the windward side S1 and outlet air surface S2 positioned at grill body both sides, this reality
The air outlet grate for applying example is structure as a whole, and is provided with the center disk 100 positioned at center and the housing 200 positioned at outer circumferential side, lattice
Between the centrally disposed disk 100 of grid main body and housing 200, such as air outlet grate is integrally rounded, certainly in other embodiment
In, air outlet grate can also be in other any suitable shapes, such as square, and this is not restricted.The present embodiment is with rounded
Air outlet grate as a example by illustrate, windward side S1 be plane, certain windward side S1 can also be the axial direction side along air outlet grate
To towards outlet air surface S2 recessed arcwall face, outlet air surface S2 is in integrally with the center of grill body (i.e. in center disk 100
The heart) it is the outside annular wavy surface for extending of basic point, the wavy surface has crest and trough, thus makes outlet air surface S2 relative to windward
The height of face S1 changes according to certain rules in the radial direction grill body, i.e. height of the outlet air surface S2 relative to windward side S1
There is maximum in crest location, and height of the outlet air surface S2 relative to windward side S1 has minimum value in wave trough position, such as
When wavy surface is in sinusoidal waveform, on direction of height of the outlet air surface S2 relative to windward side S1 by crest location to wave trough position
Taper into.It should be noted that the way of realization of wavy surface according to embodiments of the present invention is not limited only to illustrate sinusoidal waveform,
Such as wavy surface is in square waveform or other any suitable waveforms, and therefore not to repeat here.
During using air outlet grate of the invention, air outlet grate is passed through from the positive direction perpendicular to windward side S1 when air-flow
When, because height of the outlet air surface S2 relative to windward side S1 changes in sine wave, therefore air-flow is changed by outlet air surface S2's
Time, the time difference for leaving outlet air surface S2 using air-flow reduces the purpose of gas to reach, while reducing partial grid
Main body can be effectively reduced air-supply noise and power to the working stroke of air-flow.
In the present embodiment, grill body includes the annular rib 300 of multiple interval arranged concentrics annular in shape and is connected to phase
The radial ribs 400 of radial arrangement between the annular rib 300 of adjacent two, as shown in figure 1, positioned at the center circle of center
Disk 100 and an annular rib 300 is respectively equivalent to positioned at outermost housing 200, thus positioned at the radial ribs of innermost circle
400 are connected between center disk 100 and neighbouring annular rib 300, and the radial ribs 400 positioned at outmost turns are connected to housing
Between 200 and neighbouring annular rib 300.Referring to Fig. 2, the end face of radial ribs 400 is on the axial direction along grill body
Inwardly concave to form concave curved surface S3, concave curved surface S3 constitutes the trough of wavy surface, that is, concave curved surface S3
Lowest part be trough, the end face S4 of annular rib 300 constitutes the crest of wavy surface, and wherein concave curved surface S3 and end face S4 puts down
Slip over and cross, reduce because of the wind loss that connecting portion transition change is brought, as shown in figure 5, in grill body in the radial direction,
Outlet air surface S2 changes in sinusoidal waveform, when passing through air outlet grate from the positive direction perpendicular to windward side S1 when air-flow, changes
The time that air-flow passes through outlet air surface S2, the time difference for leaving outlet air surface S2 using air-flow reduces the purpose of gas to reach,
Working stroke of the partial grid main body to air-flow is reduced simultaneously, therefore can be effectively reduced air-supply noise and power.Or,
In variant embodiment, the end face of radial ribs 400 is outwardly with the outer convex of formation on the axial direction along grill body
Face (not shown), the evagination arcwall face constitutes the crest of wavy surface, and accordingly, the end face of annular rib 300 constitutes wavy surface
Trough, existence time is poor again such that air-flow passes through during outlet air surface S2 for the air outlet grate of this structure type, can reach reduction gas
The purpose of pulsation is flowed, and then reduces air-supply noise.Additionally, the radial ribs 400 between two adjacent annular ribs 300 are along ring
The circumferential direction equidistantly distributed of shape rib 300, so that air-flow is discharged uniformly across air outlet grate, reduces because of gas
The noise of generation.
Further, in order that outlet air surface S2 is also formed with difference in height, adjacent two in the circumferential direction of air outlet grate
Radial ribs 400 between annular rib 300 include the first radial ribs and the second radial ribs, wherein the first radial ribs
Highly more than the height of the second radial ribs, height here refers to the first radial ribs and the second radial ribs edge goes out style
Height on the axial direction of grid, the first radial ribs and the second radial ribs replace point along the circumferential direction of annular rib 300
Cloth, such as with first radial ribs and the second radial ribs be respectively the circumferential direction of unit along annular rib 300
It is alternately distributed, or with two the first radial ribs and the second radial ribs is respectively the week of unit along annular rib 300
Be alternately distributed to direction, it is also possible to which two the first radial ribs are a unit, and with second radial ribs be a list
Position, also has more arrangements certainly, not exhaustive one by one herein.By making outlet air surface S2 in the circumferential direction of air outlet grate
Difference in height is also formed with, when passing through air outlet grate from the positive direction perpendicular to windward side S1 when air-flow, air-flow is changed and is passed through
The time of outlet air surface S2 so that air-flow is further segmented by the time difference of outlet air surface S2, and air-flow is reduced to a greater extent
Pulsation, and then reduce air-supply noise.Meanwhile, in the case of the bulk strength and rigidity for ensureing air outlet grate, further reduce
Partially radially rib 400 is to the working stroke of air-flow, so as to reducing power consumption.
Preferably, it is wrong in the circumferential direction of annular rib in the radial ribs 400 adjacent in the radial direction of grill body
Open up and put.This structural arrangement form can also be played and change time of the air-flow by outlet air surface S2, and outlet air surface S2 is divided
If into stem portion, it is poor to there is certain hour when air-flow is by adjacent part, so as to reduce gas, and then reduces air-supply and makes an uproar
Sound.
In another embodiment, the radial ribs 400 of above-mentioned segmentation are designed into a single integrated structure.Specifically, grill body
Intersect the radial radial direction of setting including multiple annular rib (not shown) for being spaced arranged concentrics annular in shape and with annular rib
Rib (not shown), wherein the concrete structure of annular rib refers to the explanation of above-mentioned annular rib 300, and the one of radial ribs
End is connected with center disk 100, and the other end is connected with housing 200, positioned at the part of center disk 100 and housing 200 and each
Annular rib intersects.Unlike the embodiments above, the end face of radial ribs is located at the portion between the annular rib of adjacent two
Divide and inwardly concaved on the axial direction along grill body to form concave curved surface, the concave curved surface constitutes the ripple of wavy surface
Paddy, the end face of annular rib constitutes the crest of wavy surface；Or, the end face of radial ribs is located between the annular rib of adjacent two
Part it is outwardly to form evagination arcwall face on the axial direction along grill body, the evagination arcwall face constitute wavy surface
Crest, the end face of annular rib constitutes the trough of wavy surface.The distressed structure that the present embodiment is used is to reducing gas
Effect it is same as the previously described embodiments, the technique effect for being reached is also same as the previously described embodiments, and therefore not to repeat here.
Preferably, illustrated by taking radial ribs 400 shown in Fig. 3 as an example, the recessed depth of concave curved surface S3 is D1, footpath
Be H, and 0.5 ＜ D1/H ＜ 1 to the height of rib 400, certainly, 0.6 ＜ D1/H ＜ 0.8 are also possible, it is specific it is desirable such as
0.7th, 0.75 is equivalent, so as to ensureing guiding function of the radial ribs 400 to air-flow, and radial ribs 400 strength and stiffness
In the case of, be conducive to improving the exhaust air rate of air outlet grate.Or, the protrusion height of evagination arcwall face is D2 (not shown), radially
The height of rib 400 is H, and 0.5 ＜ D2/H ＜ 1.
As shown in Figure 4 and Figure 5, as the spacing between adjacent two annular ribs 300 is at the center away from grill body
Direction on be gradually reduced, from the center of grill body along grill body in the radial direction per adjacent two annular ribs
The height of the radial ribs 400 between 300 is sequentially reduced, namely outlet air surface S2 along air outlet grate in the radial direction towards outside
Protrusion height be sequentially reduced toward outside from the center of air outlet grate, outlet air surface S2 is more outside closer to center disk 100
Side is protruded, and makes the centre of outlet air surface S2 higher than its surrounding, so that the surrounding exhaust air rate of air outlet grate is more than its middle exhaust air rate,
Be conducive to improving the overall exhaust air rate of air outlet grate, and then reduce air-supply noise and power consumption.
Additionally, radial ribs 400 are formed as to the arc for bending clockwise or counterclockwise, due to radial ribs 400
It is distributed in divergent shape, and is formed as to the arc for bending clockwise or counterclockwise, when air-flow is discharged via radial ribs 400
When, it is possible to reduce the crushing during air-flow blowout, be conducive to improving air quantity and reduce noise.It should be noted that using this
During the air outlet grate of invention, radial ribs should be determined according to the rotation direction of the blade (such as aerofoil fan) of air exhausting device
400 bending direction, even if the rotation direction of the bending direction of radial ribs 400 and the blade of air exhausting device is conversely, such as arrange
When the vane clockwise of wind apparatus is rotated, radial ribs 400 are formed as the arc for bending counterclockwise.Meanwhile, radial rib
The wind-guiding face (i.e. the two sides of radial ribs 400) of bar 400 be torsional surface, radial ribs 400 near windward side S1 half portion and
The torsional direction of the wind-guiding face of the half portion of its close outlet air surface S2 is conversely, therefore the air-flow with the centripetal anglec of rotation is by radially
During rib 400, the wind-guiding face of radial ribs 400 can make air-flow incline water conservancy diversion along its centripetal angular speed direction, so as to reduce footpath
To the wind-guiding face of rib 400 to the resistance of air-flow, and then reduce wind loss and reduce air-supply noise.
The present invention also provides a kind of air-conditioner outdoor unit, and in one embodiment, the air-conditioner outdoor unit includes aerofoil fan and goes out
Style grid.Usually, air-conditioner outdoor unit also includes housing, and housing is formed with the chamber of the parts such as accommodating heat exchanger, compressor,
And circular or square aperture is offered on housing, namely for the exhaust outlet of air-cooled heat exchange, aerofoil fan is installed in housing
In chamber, and with exhaust outlet just to setting.Air outlet grate is arranged at exhaust outlet, on the one hand plays protective action, on the other hand
Wind-guiding effect is played, air outlet grate can be connected by screw or buckle with housing.For the air-conditioning using aerofoil fan air draft
Outdoor unit, the air quantity at aerofoil fan outer rim is larger, and in one embodiment, the centre of the outlet air surface of air outlet grate is higher than
Its surrounding, so that crushing when reducing air-flow by air outlet grate, is conducive to improving the overall exhaust air rate of air outlet grate, and then drops
Low air-supply noise and power consumption.
This air-conditioner outdoor unit embodiment includes whole technical schemes of above-mentioned air outlet grate whole embodiments, the skill for being reached
Art effect is also identical, will not be repeated here.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of air outlet grate, including grill body that is intersecting and forming air outlet, the air outlet has positioned at the grid
The windward side of main body both sides and outlet air surface, it is characterised in that the outlet air surface is in integrally with the center of the grill body as base
The annular wavy surface that point outwards extends, the surrounding of the centre higher than the outlet air surface of the outlet air surface.
2. air outlet grate as claimed in claim 1, it is characterised in that the grill body includes that multiple intervals are annular in shape with one heart
The annular rib of arrangement and it is connected to the radial ribs of radial arrangement between adjacent two annular ribs；The radial ribs
End face inwardly concave to form concave curved surface on along the axial direction of the grill body, the concave curved surface is constituted
The trough of the wavy surface, the end face of the annular rib constitutes the crest of the wavy surface；Or, the end of the radial ribs
Face is outwardly to form evagination arcwall face on along the axial direction of the grill body, and the evagination arcwall face constitutes described
The crest of wavy surface, the end face of the annular rib constitutes the trough of the wavy surface.
3. air outlet grate as claimed in claim 2, it is characterised in that the radial ribs between the annular ribs of adjacent two include
First radial ribs and the second radial ribs, the height of the height more than second radial ribs of first radial ribs,
First radial ribs are alternately distributed with second radial ribs along the circumferential direction of the annular rib.
4. air outlet grate as claimed in claim 2, it is characterised in that in the footpath adjacent in the radial direction of the grill body
Stagger setting in the circumferential direction of the annular rib to rib.
5. air outlet grate as claimed in claim 1, it is characterised in that the grill body includes that multiple intervals are annular in shape with one heart
The annular rib of arrangement and intersect the radial radial ribs of setting with the annular rib；The end face of the radial ribs is located at
Part between the annular rib of adjacent two inwardly concaves to form indent arc on along the axial direction of the grill body
Face, the concave curved surface constitutes the trough of the wavy surface, and the end face of the annular rib constitutes the crest of the wavy surface；
Or, the end face of the radial ribs is located at part between the annular ribs of adjacent two in the axial direction side along the grill body
Outwardly to form evagination arcwall face upwards, the evagination arcwall face constitutes the crest of the wavy surface, the annular rib
End face constitute the trough of the wavy surface.
6. the air outlet grate as any one of claim 2 to 5, it is characterised in that the recessed depth of the concave curved surface
It is D1 to spend, and the height of the radial ribs is H, and 0.5 ＜ D1/H ＜ 1；Or, the protrusion height of the evagination arcwall face is
D2, the height of the radial ribs is H, and 0.5 ＜ D2/H ＜ 1.
7. the air outlet grate as any one of claim 2 to 5, it is characterised in that with adjacent two annular ribs it
Between spacing be gradually reduced on the direction at the center away from the grill body, from the center of the grill body along described
The height of the radial ribs between the two every in the radial direction adjacent annular ribs of grill body is sequentially reduced.
8. the air outlet grate as any one of claim 2 to 5, it is characterised in that between the annular ribs of adjacent two
Radial ribs along the annular rib circumferential direction equidistantly distributed.
9. the air outlet grate as described in claim 2 or 5, it is characterised in that the radial ribs are formed as to clockwise or inverse
The arc of clockwise bending, and the wind-guiding face of the radial ribs is torsional surface.
10. a kind of air-conditioner outdoor unit, including aerofoil fan and air outlet grate, it is characterised in that the air outlet grate will for right
Seek the air outlet grate any one of 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725800.XA CN104501381B (en) | 2014-12-02 | 2014-12-02 | Air-conditioner outdoor unit and its air outlet grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725800.XA CN104501381B (en) | 2014-12-02 | 2014-12-02 | Air-conditioner outdoor unit and its air outlet grate |
Publications (2)
| Publication Number | Publication Date |
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| CN104501381A CN104501381A (en) | 2015-04-08 |
| CN104501381B true CN104501381B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410725800.XA Active CN104501381B (en) | 2014-12-02 | 2014-12-02 | Air-conditioner outdoor unit and its air outlet grate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352514A (en) * | 2016-10-08 | 2017-01-25 | 珠海格力电器股份有限公司 | Air channel assembly air conditioner and air conditioner |
| CN107166731B (en) * | 2017-06-30 | 2020-12-01 | 广东美的环境电器制造有限公司 | Air inlet grid structure and warm air blower |
| CN107514708A (en) * | 2017-08-30 | 2017-12-26 | 广东顺威精密塑料股份有限公司 | A kind of air outlet grate of air conditioner outdoor machine |
| CN110332692B (en) * | 2019-07-04 | 2021-05-25 | 青岛海信日立空调系统有限公司 | Outdoor unit air outlet grille and outdoor unit |
| CN113623752B (en) * | 2020-05-06 | 2023-05-16 | 青岛海尔空调器有限总公司 | Air outlet cover, water purification module and air conditioner |
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| US5118252A (en) * | 1990-05-24 | 1992-06-02 | The W. B. Marvin Manufacturing Company | Intake grill for electric fan assembly |
| US5665943A (en) * | 1995-06-15 | 1997-09-09 | Rpg Diffusor Systems, Inc. | Nestable sound absorbing foam with reduced area of attachment |
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| CN101975188A (en) * | 2010-10-30 | 2011-02-16 | 芜湖博耐尔汽车电气系统有限公司 | Centrifugal fan impeller for automobile air conditioning |
| CN204329267U (en) * | 2014-12-02 | 2015-05-13 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and air outlet grate thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19905887C1 (en) * | 1999-02-11 | 2000-08-24 | Abb Alstom Power Ch Ag | Hollow cast component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5118252A (en) * | 1990-05-24 | 1992-06-02 | The W. B. Marvin Manufacturing Company | Intake grill for electric fan assembly |
| US5665943A (en) * | 1995-06-15 | 1997-09-09 | Rpg Diffusor Systems, Inc. | Nestable sound absorbing foam with reduced area of attachment |
| CN2463745Y (en) * | 2000-08-28 | 2001-12-05 | 广东美的集团股份有限公司 | Longitudinal grille of air conditioner |
| CN101975188A (en) * | 2010-10-30 | 2011-02-16 | 芜湖博耐尔汽车电气系统有限公司 | Centrifugal fan impeller for automobile air conditioning |
| CN204329267U (en) * | 2014-12-02 | 2015-05-13 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and air outlet grate thereof |
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| Publication number | Publication date |
|---|---|
| CN104501381A (en) | 2015-04-08 |
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