CN108980945B - Fume exhaust fan - Google Patents
Fume exhaust fan Download PDFInfo
- Publication number
- CN108980945B CN108980945B CN201811133351.4A CN201811133351A CN108980945B CN 108980945 B CN108980945 B CN 108980945B CN 201811133351 A CN201811133351 A CN 201811133351A CN 108980945 B CN108980945 B CN 108980945B
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- Prior art keywords
- plate
- condensing
- hood
- smoke
- ventilation holes
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a range hood, which comprises: the smoke collecting hood comprises a smoke collecting hood body, wherein a smoke collecting plate for blocking an opening at the bottom of the smoke collecting hood body is arranged at the bottom of the smoke collecting hood body, and an air inlet hole is formed in the smoke collecting plate; the condensing plate is arranged below the bottom wall of the fume collecting hood and has a preset distance from the bottom wall of the fume collecting hood, a plurality of condensing ventilation holes are formed in the condensing plate, the condensing ventilation holes are long-strip-shaped and extend in the front-back direction, and the condensing ventilation holes are arranged at intervals along the left-right direction; the oil collecting cup is used for collecting condensed oil. The fume condensing effect of the fume extractor is good, the fume extracting effect of the fume extractor is good, and the noise is low.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a range hood.
Background
In the related art, most range hoods are provided with a condensing plate at the bottom of a fume collecting hood, and the condensing plate is used for condensing oil gas in fume gas and discharging the condensed oil into an oil collecting cup so as to prevent the oil gas from polluting the air along with the fume. However, the existing condensing plate is limited due to structural reasons, and the condensing effect is poor, so that improvement is needed.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a range hood with good condensation effect of oil smoke, good suction effect of oil smoke and low noise.
According to an embodiment of the invention, a range hood comprises: the smoke collecting hood comprises a smoke collecting hood body, wherein a smoke collecting plate for blocking an opening at the bottom of the smoke collecting hood body is arranged at the bottom of the smoke collecting hood body, and an air inlet hole is formed in the smoke collecting plate; the condensing plate is arranged below the bottom wall of the fume collecting hood and has a preset distance from the bottom wall of the fume collecting hood, a plurality of condensing ventilation holes are formed in the condensing plate, the condensing ventilation holes are long-strip-shaped and extend in the front-back direction, and the condensing ventilation holes are arranged at intervals along the left-right direction; the oil collecting cup is used for collecting condensed oil.
According to the range hood provided by the embodiment of the invention, the condensing plate is provided with the strip-shaped condensing ventilation holes, the condensing ventilation holes extend in the front-rear direction, and the plurality of condensing ventilation holes are arranged at intervals in the left-right direction, so that when the oil smoke gas passes through the condensing plate, the oil smoke gas is formed into a plurality of smoke inlet flow paths by the plurality of condensing ventilation Kong Dasan, and thus the oil smoke gas can be in contact with the condensing plate more, and the condensing effect of the condensing plate on the oil smoke is improved. In addition, through setting up the condensation ventilation hole into the rectangular shape that extends along fore-and-aft direction to a plurality of condensation ventilation holes can also play the effect of water conservancy diversion to the flow of oil smoke at the in-process that the oil smoke flows, and the oil smoke can flow along the condensation ventilation hole of a plurality of rectangular shapes, under the prerequisite that improves the condensation effect, and the flow of oil smoke more smoothly upwards flows under the guide of condensate plate like this, has reduced the possibility of turbulent flow, thereby the oil smoke suction effect of range hood is good, and the noise is low moreover.
According to one embodiment of the invention, the oil collecting cup is long and is arranged at the rear end of the condensing plate, and the oil collecting cup extends along the length direction of the range hood.
According to one embodiment of the present invention, the condensing ventilation hole includes: the first ventilation holes and the second ventilation holes are arranged alternately in the left-right direction, and the width of each first ventilation hole is larger than that of each second ventilation hole.
According to one embodiment of the present invention, the width of the first ventilation hole is W1, and the width of the second ventilation hole is W2, wherein the width W1 and the width W2 satisfy the following relation: W1/W2 is less than or equal to 4/3 and less than or equal to 3.
According to one embodiment of the invention, the center line spacing between adjacent first and second ventilation holes is in the range of 8mm to 20mm.
According to one embodiment of the present invention, the length L of the condensation ventilation hole and the dimension D of the condensation plate in the front-rear direction satisfy the following relationship: L/D is more than or equal to 1/2.
According to one embodiment of the invention, the condensation plate is detachably connected with respect to the fume collecting hood.
According to one embodiment of the invention, the condensation plate is pivotable relative to the fume collecting hood between a first position, in which the condensation plate is parallel to the fume collecting plate, and a second position, in which the condensation plate extends in a vertical direction.
According to one embodiment of the invention, the front end of the condensation plate is pivotably connected to the fume collection hood, and the oil collection cup is located below the condensation plate when the condensation plate is in the second position.
According to one embodiment of the invention, the smoke gathering plate comprises: the smoke collecting hood comprises a flat plate part and an inner concave part, wherein the flat plate part is connected with the side wall of the smoke collecting hood, the inner concave part is positioned in the middle of the smoke collecting plate and is connected with the flat plate part, the flat plate part is lower than the inner concave part in height, an inclined plate is connected between the flat plate part and the inner concave part, and an air inlet hole is formed in the inner concave part and the inclined plate.
According to one embodiment of the present invention, on the concave portion, the air intake holes are elongated and extend in the front-rear direction, the air intake holes are plural, and the plural air intake holes are arranged at intervals in the left-right direction; on the inclined plate, the extending direction of the air inlet hole is perpendicular to the extending direction of the air inlet hole on the concave part.
According to one embodiment of the invention, the smoke collecting plate is formed into a straight plate shape, the air inlet holes comprise a plurality of air inlet holes, the air inlet holes extend along the front-back direction of the smoke collecting plate, the air inlet holes are divided into a plurality of groups, each group comprises a plurality of air inlet holes, and the lengths of two adjacent groups of air inlet holes are unequal.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of an external structure of a range hood according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a perspective view of a range hood according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of another perspective view of a range hood according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a condensing plate of a range hood according to an embodiment of the present invention;
fig. 5 is a view showing a state in which a condensing plate is pivoted with respect to a hood according to an embodiment of the present invention.
Reference numerals:
a range hood 100;
a fume collecting hood 1; a smoke collecting plate 11; an air inlet hole 111; a flat plate portion 112; an inner recess 113; a tilt plate 114;
a condensing plate 2; condensation ventilation holes 21; a first ventilation hole 211; a second ventilation hole 212;
an oil collecting cup 3; a fan cover 4; and a blower 5.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
A range hood 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5. As shown in fig. 1 to 5, a range hood 100 according to an embodiment of the present invention includes: fume collecting hood 1, condensation plate 2 and oil collecting cup 3.
As shown in fig. 1 and 2, the range hood 100 further includes a fan cover 4, the fume collecting hood 1 is disposed at the bottom of the fan cover 4, a fan 5 is disposed in the fan cover 4, and the fan 5 provides power for the fume entering the range hood 100.
As shown in fig. 2 and 3, the bottom of the fume collecting hood 1 is provided with a fume collecting plate 11 for blocking the bottom opening of the fume collecting hood 1, the fume collecting plate 11 is provided with an air inlet hole 111, the condensing plate 2 is arranged below the bottom wall of the fume collecting hood 1 and has a preset distance with the bottom wall of the fume collecting hood 1, the condensing plate 2 is provided with a plurality of condensing air-permeable holes 21, the condensing air-permeable holes 21 are long-strip-shaped and extend in the front-back direction, and the condensing air-permeable holes 21 are arranged at intervals along the left-right direction. The oil collecting cup 3 is used for collecting condensed oil.
In the range hood 100 according to the embodiment of the present invention, as shown in fig. 3 and 4, the condensing plate 2 is provided with the condensing ventilation holes 21, so that when the fume gas flows upward through the condensing plate 2, the fume gas can pass through the condensing ventilation holes 21 or the gap between the condensing plate 2 and the fume collecting hood 1 and enter the interior of the fume collecting hood 1 through the ventilation holes 111, and is further discharged to the outdoor or public flue under the driving of the fan 5 in the range hood 100. The droplets of oil that condense on the condensation plate 2 flow along the condensation plate 2 until they fall into the oil collection cup 3.
According to the range hood 100 of the embodiment of the invention, the condensing plate 2 is provided with the strip-shaped condensing ventilation holes 21, the condensing ventilation holes 21 extend in the front-rear direction, and the plurality of condensing ventilation holes 21 are arranged at intervals in the left-right direction, so that when the oil smoke gas passes through the condensing plate 2, the oil smoke gas is scattered into a plurality of smoke inlet flow paths by the plurality of condensing ventilation holes 21, and thus the oil smoke gas can be in more contact with the condensing plate 2, and the condensing effect of the condensing plate 2 on the oil smoke is improved. In addition, through setting the condensation ventilation hole 21 to the rectangular shape that extends along fore-and-aft direction to a plurality of condensation ventilation holes 21 can also play the effect of water conservancy diversion to the flow of oil smoke at the in-process that the oil smoke flows, and the oil smoke can flow along a plurality of rectangular condensation ventilation holes 21, and under the prerequisite that improves the condensation effect, the flow of oil smoke more smoothly upwards flows under the guide of condensate plate 2 like this, has reduced the possibility of turbulent flow, thereby the oil smoke of range hood 100 inhales effectually, and the noise is low.
A range hood 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.
As shown in fig. 4, on the condensation plate 2, the condensation ventilation holes 21 include: the first ventilation holes 211 and the second ventilation holes 212, the width of the first ventilation holes 211 being greater than the width of the second ventilation holes 212, the first ventilation holes 211 and the second ventilation holes 212 being alternately arranged with each other in the left-right direction. The ventilation holes are arranged to have different widths, so that the scattering effect of the oil smoke gas is improved, and the condensing effect can be improved.
In the embodiment of the present invention, the width of the first ventilation hole 211 is W1, and the width of the second ventilation hole 212 is W2, wherein the widths W1 and W2 satisfy the following relationship: W1/W2 is less than or equal to 4/3 and less than or equal to 3. Therefore, the first ventilation holes 211 and the second ventilation holes 212 can ensure the stability and the aesthetic property of the whole structure of the condensing plate 2 under the premise of ensuring a certain width difference.
Alternatively, the center line spacing between adjacent first and second ventilation holes 211 and 212 ranges from 8mm to 20mm. Thereby can make a plurality of fresh air inlets 111 arrange rationally on condensing plate 2 to guarantee trompil quantity and the trompil density on the condensing plate 2, guarantee the smooth and easy that the oil smoke was admitted air in the time of guaranteeing the condensation effect.
In the embodiment of the present invention, the length L of the condensation ventilation holes 21 and the dimension D of the condensation plate 2 in the front-rear direction satisfy the following relation: L/D is more than or equal to 1/2. Thereby ensuring the length of the condensation ventilation holes 21 and further ensuring the smoothness of the oil smoke air intake.
In the embodiment of the invention, the condensation plate 2 is detachably connected with respect to the fume collecting hood 1. When the condensing plate 2 and the smoke collecting plate 11 need to be cleaned, the condensing plate 2 can be detached, so that the cleaning is convenient.
In an embodiment of the invention, as shown in fig. 5, the condensation plate 2 is pivotable relative to the fume collecting hood 1 between a first position, in which the condensation plate 2 is parallel to the fume collecting plate 11, and a second position, in which the condensation plate 2 extends in a vertical direction. In this embodiment, the condensation plate 2 is pivotable relative to the fume collecting hood 1, so that when the condensation plate 2 and the fume collecting plate 11 need to be cleaned, the condensation plate 2 can be pivoted to a second position, wherein the condensation plate 2 extends in the vertical direction, and the outer wall surface of the condensation plate 2 and the inner wall surface adjacent to the fume collecting plate 11 are exposed, so that the cleaning of the condensation plate 2 is more convenient; meanwhile, when the condensation plate 2 is pivoted to the second position, most of the structure of the smoke collecting plate 11 is also exposed to the outside, so that the cleaning of the smoke collecting plate 11 is also facilitated.
In the embodiment of the invention, the front end of the condensing plate 2 is pivotally connected to the fume collecting hood 1, the rear end of the condensing plate 2 is detachable from the fume collecting hood 1, and when the condensing plate 2 and the fume collecting hood 1 need to be cleaned, the rear end of the condensing plate 2 is contacted with the connecting structure between the fume collecting hood 1, so that the rear end of the condensing plate 2 can rotate around the front end until reaching the second position.
When the condensation plate 2 is in the second position, the oil collection cup 3 is located below the condensation plate 2. As shown in fig. 5, when the condensing plate 2 is at the second position and the oil collecting cup 3 is located below the condensing plate 2, if the oil on the condensing plate 2 slides down at this time, the oil collecting cup 3 can receive the oil, so that the oil is prevented from falling onto the cooking bench to pollute the cooking bench.
In the embodiment of the present invention, as shown in fig. 2, the oil collecting cup 3 is long and is provided at the rear end of the condensing plate 2, and the oil collecting cup 3 extends in the length direction of the range hood 100. Therefore, the oil containing quantity of the oil collecting cup 3 can be greatly increased, and the oil collecting effect is good.
Alternatively, the length of the oil collecting cup 3 may be matched with the length of the condensation plate 2, and of course, the length of the oil collecting cup 3 may also be matched with the length of the fume collecting hood 1, so that the length of the oil collecting cup 3 is long enough, and the oil collecting effect is improved.
According to the range hood 100 of the embodiment of the invention, as shown in fig. 2 and 3, a smoke collecting cavity with an opening at the bottom is defined in the smoke collecting hood 1, the smoke collecting plate 11 seals the opening at the bottom, and the smoke collecting plate 11 is provided with an air inlet 111, and the air inlet 111 is used for communicating an external space with the smoke collecting cavity. The oil smoke enters the smoke collecting cavity through the air inlet 111. The smoke collecting plate 11 also has the function of condensing grease, and the condensed grease can directly or indirectly flow to the oil collecting cup 3. Therefore, in the invention, the air inlet 111 is arranged on the smoke collecting plate 11, so that the smoke is contacted with the smoke collecting plate 11 in the process of allowing the smoke to be sucked, and the smoke collecting plate 11 is utilized to play a role of condensing grease, so that the condensation effect is good.
In one embodiment of the present invention, as shown in fig. 3, the smoke gathering plate 11 includes: the flat plate part 112 and the concave part 113, the flat plate part 112 is connected with the side wall of the fume collecting hood 1, the concave part 113 is positioned in the middle of the fume collecting plate 11 and is connected with the flat plate part 112, the flat plate part 112 is lower than the concave part 113, the inclined plate 114 is connected between the flat plate part 112 and the concave part 113, and the air inlet hole 111 is formed on the concave part 113 and the inclined plate 114.
Wherein the flat plate portion 112 is formed in a flat plate shape, alternatively, the flat plate portion 112 is connected to the left and right side walls of the fume collecting hood 1, or the flat plate portion 112 may be connected to the front and rear walls of the fume collecting hood 1. The concave portion 113 is upwardly concave from the flat plate portion 112, or it is understood that the concave portion 113 may be formed by upwardly concave a middle portion of the flat plate portion 112, so that the concave portion 113 is formed in the middle portion of the smoke collecting plate 11, so that when the condensation plate 2 is disposed below the smoke collecting plate 11, a certain space is defined between the condensation plate 2 and the smoke collecting plate 11, smoke enters the space through the condensation ventilation holes 21 to collect, smoke and gas generates a certain turbulence between the condensation plate 2 and the smoke collecting plate 11, and smoke colliding with each other contacts the condensation plate 2 and the smoke collecting plate 11, thereby improving the condensation effect of the smoke.
In the embodiment of the invention, the distance between the condensing plate 2 and the smoke collecting plate 11 can be 30-100mm, and further, the distance between the condensing plate 2 and the smoke collecting plate 11 can be about 50mm, so that a certain space can be ensured between the condensing plate 2 and the smoke collecting plate 11, and the effective accumulation and condensation of the oil smoke gas in the space can be ensured.
In another embodiment of the present invention, the smoke collecting plate 11 is formed in a flat plate shape, the air inlet 111 includes a plurality of air inlets 111 extending along the front-rear direction of the smoke collecting plate 11, the plurality of air inlets 111 are divided into a plurality of groups, each group includes a plurality of air inlets 111, and the lengths of two adjacent groups of air inlets 111 are unequal. By arranging the smoke collecting plate 11 in a flat plate shape, the structure of the smoke collecting plate 11 can be simpler and the manufacture is convenient.
Alternatively, on the smoke gathering plate 11, the plurality of air inlet holes 111 may be divided into three groups, the three groups of air inlet holes 111 being arranged at intervals in the left-right direction of the smoke gathering plate 11, the length of one group of air inlet holes 111 located in the middle being longer than the length of the air inlet holes 111 located on both sides thereof, that is, the length of the air inlet holes 111 in the middle of the smoke gathering plate 11 being longer than the lengths of the air inlet holes 111 located on both left and right sides of the smoke gathering plate 11.
According to the range hood 100 provided by the embodiment of the invention, the condensation effect of the lampblack is good, and the lampblack suction effect of the range hood 100 is good and the noise is low.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A range hood, comprising:
the smoke collecting hood comprises a smoke collecting hood body, wherein a smoke collecting plate for blocking an opening at the bottom of the smoke collecting hood body is arranged at the bottom of the smoke collecting hood body, and an air inlet hole is formed in the smoke collecting plate;
the condensing plate is arranged below the bottom wall of the fume collecting hood and has a preset distance from the bottom wall of the fume collecting hood, a plurality of condensing ventilation holes are formed in the condensing plate, the condensing ventilation holes are long-strip-shaped and extend in the front-back direction, and the condensing ventilation holes are arranged at intervals along the left-right direction;
the oil collecting cup is used for collecting condensed oil;
the condensing ventilation hole comprises: the first ventilation holes and the second ventilation holes are arranged alternately in the left-right direction, and the width of the first ventilation holes is larger than that of the second ventilation holes;
the oil collecting cup is long-strip-shaped and is arranged at the rear end of the condensing plate, and the oil collecting cup extends along the length direction of the range hood.
2. The range hood of claim 1, wherein the first ventilation holes have a width W1 and the second ventilation holes have a width W2, wherein the widths W1 and W2 satisfy the following relationship: W1/W2 is less than or equal to 4/3 and less than or equal to 3.
3. The range hood of claim 1, wherein the center line spacing between adjacent first and second ventilation holes is in the range of 8mm to 20mm.
4. The range hood according to claim 1, wherein a length L of the condensing ventilation hole and a dimension D of the condensing panel in a front-rear direction satisfy the following relation: L/D is more than or equal to 1/2.
5. The range hood of claim 1 wherein the condensing plate is removably attached relative to the hood.
6. The range hood of claim 1 wherein the condensing plate is pivotable relative to the hood between a first position and a second position, the condensing plate being parallel to the fume collecting plate when the condensing plate is in the first position and the condensing plate extending in a vertical direction when the condensing plate is in the second position.
7. The range hood of claim 6 wherein the front end of the condensing plate is pivotally connected to the hood, the oil collection cup being positioned below the condensing plate when the condensing plate is in the second position.
8. The range hood of claim 1 wherein the gathering plate comprises:
the smoke collecting hood comprises a flat plate part and an inner concave part, wherein the flat plate part is connected with the side wall of the smoke collecting hood, the inner concave part is positioned in the middle of the smoke collecting plate and is connected with the flat plate part, the flat plate part is lower than the inner concave part in height, an inclined plate is connected between the flat plate part and the inner concave part, and an air inlet hole is formed in the inner concave part and the inclined plate.
9. The range hood according to claim 8, wherein the air intake holes are elongated and extend in the front-rear direction in the concave portion, the plurality of air intake holes being arranged at intervals in the left-right direction;
on the inclined plate, the extending direction of the air inlet hole is perpendicular to the extending direction of the air inlet hole on the concave part.
10. The range hood according to claim 1, wherein the smoke gathering plate is formed in a flat plate shape, the air inlet holes are formed in a plurality, the air inlet holes extend in the front-rear direction of the smoke gathering plate, the plurality of air inlet holes are divided into a plurality of groups, each group comprises a plurality of air inlet holes, and the lengths of two adjacent groups of air inlet holes are unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133351.4A CN108980945B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133351.4A CN108980945B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980945A CN108980945A (en) | 2018-12-11 |
| CN108980945B true CN108980945B (en) | 2023-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811133351.4A Active CN108980945B (en) | 2018-09-27 | 2018-09-27 | Fume exhaust fan |
Country Status (1)
| Country | Link |
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| CN (1) | CN108980945B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180318B (en) * | 2019-07-03 | 2024-03-26 | 安徽省凤形新材料科技有限公司 | Oil smoke separator |
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| CN108332255A (en) * | 2018-03-30 | 2018-07-27 | 广东美的厨房电器制造有限公司 | Range hood and its Inlet Network |
| CN208920158U (en) * | 2018-09-27 | 2019-05-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood |
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| CN200946844Y (en) * | 2006-08-25 | 2007-09-12 | 马利华 | Oil smoke filter with baffle installed with reinforced rib |
| CN201059663Y (en) * | 2007-05-09 | 2008-05-14 | 方志明 | Safety net cover structure of novel cooking-fume exhauster |
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|---|---|
| CN108980945A (en) | 2018-12-11 |
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