CN111288520A - Oil smoke disconnect-type purifies lampblack absorber - Google Patents
Oil smoke disconnect-type purifies lampblack absorber Download PDFInfo
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- CN111288520A CN111288520A CN202010179318.6A CN202010179318A CN111288520A CN 111288520 A CN111288520 A CN 111288520A CN 202010179318 A CN202010179318 A CN 202010179318A CN 111288520 A CN111288520 A CN 111288520A
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- smoke
- oil
- oil collecting
- shell
- machine body
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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
-
- 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
- F24C15/2035—Arrangement or mounting of filters
Abstract
The invention discloses an oil-smoke separating type purifying range hood, which comprises a machine body shell, a connecting hood body, an auxiliary smoke exhaust component, a main rotating fan blade and an adsorption purification component, wherein the lower end surface of the machine body shell is fixedly provided with the connecting hood body, and the middle position of the upper end surface of the machine body shell is provided with a smoke exhaust pipeline, so that smoke enters the machine body shell through the connecting cover body, and is discharged by a smoke discharge pipeline, an auxiliary smoke discharge assembly is arranged in the connecting cover body, the auxiliary smoke discharge assembly introduces external smoke into the machine body shell, the center in the machine body shell is rotatably provided with a main rotating fan blade, the left side and the right side of the main rotating fan blade are both provided with an oil collecting component, the oil collecting component collects and treats oil stains contained in oil smoke in the device, and the adsorption and purification component is further mounted inside the end face, close to the smoke exhaust pipeline, of one side of the machine body shell.
Description
Technical Field
The invention relates to the technical field of oil fume treatment, in particular to an oil fume separation type purification range hood.
Background
The range hood is a kitchen appliance for purifying the kitchen environment, mainly rotates at a high speed through an internal impeller to form a negative pressure area, indoor oil fume is sucked into the range hood to adsorb the oil fume, the range hood can rapidly exhaust the waste generated by combustion of a cooking range and the oil fume harmful to human bodies generated in the cooking process and exhaust the oil fume out of the range.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an oil smoke disconnect-type purifies lampblack absorber, it includes engine body shell, the connecting cover body, supplementary subassembly, main rotatory flabellum and the absorption purification subassembly of discharging fume, engine body shell's lower terminal surface fixed mounting has the connecting cover body, just engine body shell's up end intermediate position is provided with exhaust pipe for the flue gas gets into in the engine body shell through the connecting cover body, and discharge by exhaust pipe, be provided with supplementary subassembly of discharging fume in the connecting cover body, supplementary assembly of discharging fume is introduced the engine body shell with outside flue gas in, the inside center of engine body shell rotates and is provided with main rotatory flabellum, the collection oil subassembly is all installed to the left and right sides of main rotatory flabellum, the greasy dirt collection that contains in with the inside oil smoke of device of collection oil subassembly is handled, the inside absorption purification subassembly that still installs of.
As a preferable technical solution of the present invention, the main rotating blade is horizontally disposed inside the body housing and rotates counterclockwise by a built-in driving motor.
As a preferred technical solution of the present invention, the auxiliary smoke exhaust assembly includes a first flow discharge plate, a second flow discharge plate, a connecting member, a fixing member, and an electric telescopic rod, wherein an arc-shaped hood is fixed on one side end surface of the connecting hood body close to the body shell, the arc-shaped hood is of a downward convex structure, a plurality of smoke exhaust ports are arranged on an outer side end surface of the arc-shaped hood, a fixed shell is coaxially arranged at the center of the arc-shaped hood, the electric telescopic rod is installed in the fixed shell, the connecting member is symmetrically fixed on the left and right sides of the output end of the electric telescopic rod, one end of the first flow discharge plate and one end of the second flow discharge plate are rotatably connected with the electric telescopic rod through the connecting member, so as to control the absorption direction of the drainage flow of the auxiliary smoke exhaust assembly through the telescopic length of the electric telescopic rod, the other ends of the first drainage plate and the second drainage plate are fixed with the connecting cover body through fixing pieces, and the first drainage plate is arranged above the second drainage plate.
As a preferred technical scheme of the invention, the oil collecting component comprises an oil collecting bin, a lubricating plate, a sealing outer ring, a micro heating pipe and an oil collecting cylinder, a connecting shell is arranged in a machine body shell, the oil fume is discharged through the connecting shell, a penetrating film is arranged on one side end face of the connecting shell close to the oil collecting component, the oil collecting bin is fixed on the left side and the right side of the machine body shell, one side end face of the oil collecting bin close to a main rotating fan blade is of an open structure and is fixed with the connecting shell through the sealing outer ring, the connecting shell is also provided with the lubricating plate which is fixed above the penetrating film, so that the oil fume forms oil drops on the lubricating plate and enters the oil collecting bin through the penetrating film, the lower end face of the oil collecting bin is provided with an oil collecting pipeline, and the oil collecting pipeline is communicated with the oil collecting cylinder through a connecting hose, and the micro heating pipes are also arranged at the upper end and the lower end of the oil collecting bin and are used for heating the oil collecting bin in time.
As a preferred technical scheme of the invention, a filter net membrane is further arranged between the main rotating fan blade and the adsorption purification assembly, two sides of the filter net membrane are seamlessly attached to the connecting shell through the supporting plate, the filter net membrane is made of heat-resistant carbon fiber, the cross section of the filter net membrane is of an upward convex structure, and the filter net membrane filters oil smoke through a built-in membrane hole.
As a preferred technical scheme of the invention, the adsorption purification assembly comprises a fixed support, two rotating motors, a first fan blade, a second fan blade, a first adsorption disk body and a second adsorption disk body, wherein the two rotating motors are symmetrically arranged on the left and right sides between the connecting shell and the machine body shell and rotate relatively, the fixed support is sleeved outside the rotating motors, the first fan blade and the second fan blade are respectively fixed at the output ends of the two rotating motors, so that the first fan blade and the second fan blade rotate in opposite directions, the central axes of the first fan blade and the second fan blade are on a straight line, the coverage area of the first fan blade is larger than that of the second fan blade, the first adsorption disk body and the second adsorption disk body are respectively fixed on the end surfaces of one side of the two fixed supports far away from the rotating motors, the outer surface of the first adsorption disk body is in coordination with the inner side, the outer surface of the adsorption disc body II is in coordination with the outer side end face of the fan blade I, so that when oil smoke passes through the two side positions of the fan blade I, the adsorption disc body I and the adsorption disc body II jointly absorb smoke in the oil smoke.
As a preferred technical scheme of the invention, the first adsorption disc body and the second adsorption disc body are both detachable structures, a cavity is arranged in the adsorption disc body, and the adsorption and purification of the flue gas are realized through built-in activated carbon.
Compared with the prior art, the invention provides an oil-smoke separating type purifying range hood, which has the following beneficial effects:
1. according to the invention, the auxiliary smoke exhaust assembly is arranged in the connecting cover body, so that indoor oil smoke can be effectively drained, the absorption drainage direction of the auxiliary smoke exhaust assembly is adjusted by using the electric telescopic rod, the flexibility is higher, and the effect of quickly exhausting smoke is achieved;
2. according to the invention, the oil collecting assemblies are arranged on two sides of the main rotating fan blade, and oil stains contained in oil smoke are collected and treated by the oil collecting assemblies, so that oil smoke separation is realized; still be equipped with in main rotating fan blade top and adsorb the purification subassembly, can effectually adsorb the processing to the oil smoke, through the relative rotation of flabellum one with flabellum two, strengthen inside flue gas mobility on the one hand, on the other hand makes the oil smoke absorb the purification with adsorbing disk body one and adsorbing disk body two after filtering through the filter screen membrane completely, improves purifying effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at C;
FIG. 3 is an enlarged view of the point B in FIG. 1;
FIG. 4 is an enlarged view of the point A in FIG. 1;
in the figure: 1 machine body shell, 2 smoke exhaust pipelines, 3 adsorption purification components, 301 rotating electrical machines, 302 fixed supports, 303 adsorption disc body I, 304 fan blade I, 305 fan blade II, 306 adsorption disc body II, 4 main rotating fan blades, 5 oil collection components, 501 oil collection bins, 502 oil collection pipelines, 503 lubrication plates, 504 sealing outer rings, 505 micro heating pipes, 506 connecting hoses, 507 oil collection cylinders, 6 connecting cover bodies, 7 auxiliary smoke exhaust components, 701 fixing parts, 702 drainage plate I, 703 drainage plate II, 704 arc covers, 705 fixed shells, 706 electric telescopic rods, 707 connecting parts, 8 connecting shells, 801 permeation films, 9 filter screen films and 901 supporting plate parts.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: an oil smoke disconnect-type purifies lampblack absorber, it includes organism housing 1, the connecting cover body 6, supplementary subassembly 7, main rotatory flabellum 4 and absorption purification subassembly 3 of discharging fume, the lower terminal surface fixed mounting of organism housing 1 has the connecting cover body 6, and the up end intermediate position of organism housing 1 is provided with exhaust pipe 2, makes the flue gas get into in organism housing 1 through the connecting cover body 6, and discharge by exhaust pipe 2, be provided with supplementary subassembly 7 of discharging fume in the connecting cover body 6, supplementary subassembly 7 of discharging fume is introduced in organism housing 1 with outside flue gas, the centre of organism housing 1 is rotated and is provided with main rotatory flabellum 4, collection oil subassembly 5 is all installed to the left and right sides of main rotatory flabellum 4, collection oil subassembly 5 collects the processing with the greasy dirt that contains in the inside lampblack of device, organism housing 1 still installs absorption purification subassembly 3 near one side end face of exhaust pipe 2, the oil collecting assembly is used for collecting and treating oil stains in oil smoke, the adsorption and purification assembly is used for purifying and treating smoke, and then the smoke is discharged through a smoke discharge pipeline, so that the environment is protected.
In this embodiment, the main rotating fan 4 is horizontally disposed inside the machine body housing 1, and rotates counterclockwise by the built-in driving motor, so as to absorb indoor oil smoke.
Referring to fig. 2, in this embodiment, the auxiliary smoke exhaust assembly 7 includes a first flow discharge plate 702, a second flow discharge plate 703, a connecting member 707, a fixing member 701, and an electric telescopic rod 706, an arc-shaped cover 704 is fixed on one side end surface of the connecting cover 6 close to the housing 1, the arc-shaped cover 704 is of a downward convex structure, a plurality of smoke exhaust ports are arranged on the outer side end surface of the arc-shaped cover 704, a fixed shell 705 is coaxially arranged at the center of the arc-shaped cover 704, the electric telescopic rod 706 is installed in the fixed shell 705, the connecting members 707 are symmetrically fixed on the left and right sides of the output end of the electric telescopic rod 706, one end of the first flow discharge plate 702 and one end of the second flow discharge plate 703 are rotatably connected to the electric telescopic rod 706 through the connecting members 707, so that the absorption and drainage directions of the auxiliary smoke exhaust assembly 7 are controlled by the telescopic length of, the oil smoke exhaust pipe reaches the inside of the machine body shell 1 through the smoke exhaust port, the first drainage plate 702 and the second drainage plate 703 are fixed with the connecting cover body 6 through the fixing piece 701, the first drainage plate 702 is arranged above the second drainage plate 703, drainage can be effectively guided in a direction with high oil smoke density, and the drainage effect is strong.
Referring to fig. 3, in this embodiment, the oil collecting component 5 includes an oil collecting bin 501, a lubricating plate 503, a sealing outer ring 504, a micro heating pipe 505 and an oil collecting cylinder 507, the inside of the housing 1 is provided with a connecting housing 8, and the oil smoke is discharged through the connecting housing 8, a side end surface of the connecting housing 8 close to the oil collecting component 5 is provided with a permeable film 801, the left and right sides inside the housing 1 are both fixed with the oil collecting bin 501, a side end surface of the oil collecting bin 501 close to the main rotating fan blade 4 is provided with an open structure, and is fixed with the connecting housing 8 through the sealing outer ring 504, the connecting housing 8 is further provided with the lubricating plate 503, the lubricating plate 503 is fixed above the permeable film 801, so that the oil smoke forms oil drops on the lubricating plate 503 and enters the oil collecting bin 501 through the permeable film 801, an oil collecting pipeline 502 is installed on a lower end surface of the oil collecting bin 501, the oil collecting pipeline 502 is communicated with an oil collecting cylinder 507 through a connecting hose 506, the upper end and the lower end of the oil collecting bin 501 are further provided with a micro heating pipe 505, and the micro heating pipe 505 is used for heating the oil collecting bin 501 in time to prevent oil smoke from being adhered to the inside of the oil collecting bin after being condensed to cause internal pollution.
Referring to fig. 4, in this embodiment, still be provided with between main rotating fan blade 4 and the absorption purification subassembly 3 and filter nethike embrane 9, filter nethike embrane 9 both sides through with support plate 901 with be connected 8 seamless laminatings of casing, filter nethike embrane 9 is heat resistance carbon fiber material, and the cross section is protruding formula structure, filter nethike embrane 9 filters the oil smoke through built-in membrane hole, and the filter effect is strong.
In this embodiment, the adsorption purification assembly 3 includes a fixed bracket 302, a rotating electrical machine 301, a first fan blade 304, a second fan blade 305, a first adsorption disk 303 and a second adsorption disk 306, two rotating electrical machines 301 are symmetrically installed between the connecting housing 8 and the housing 1, the rotating electrical machines 301 rotate relatively, the fixed bracket 302 is sleeved outside the rotating electrical machines 301, and the first fan blade 304 and the second fan blade 305 are respectively fixed at the output ends of the two rotating electrical machines 301, so that the first fan blade 304 and the second fan blade 305 rotate in opposite directions, the central axes of the first fan blade 304 and the second fan blade 305 are on a straight line, the surface covering machine of the first fan blade 304 is larger than the surface covering area of the second fan blade 305, the first adsorption disk 303 and the second adsorption disk 306 are respectively fixed on the end surfaces of the two fixed brackets 302 far away from the rotating electrical machine 301, the outer surface of the first adsorption disk 303 is in coordination with the inner side surface of the, the outer surface of the adsorption disc body II 306 is in coordination with the outer side end face of the fan blade I304, so that when oil smoke passes through the two sides of the fan blade I304, the adsorption disc body I303 and the adsorption disc body II 306 absorb smoke in the oil smoke together, the fan blade I and the fan blade II are driven to rotate through the rotating motor, the gas flowability in the adsorption disc body is enhanced, and the efficient drainage effect is achieved.
In this embodiment, adsorb disk body 303 and adsorb two 304 of disk body and be detachable construction, inside is equipped with the cavity, realizes purifying the absorption of flue gas through built-in active carbon, and the clearance is changed in time to the convenience.
Specifically, when indoor oil smoke is absorbed, the main rotating fan blades rotate to work, negative pressure is formed inside the machine body shell, the oil smoke is introduced into the machine body shell through the auxiliary smoke exhaust component arranged inside the connecting cover body, the absorption and drainage directions of the auxiliary smoke exhaust component are adjusted by the electric telescopic rod, oil drops are formed on the lubricating plate after the oil smoke reaches the inside and enter the oil collecting bin through the permeation film, the micro heating pipe timely conducts micro heating on the inner wall of the oil collecting bin to prevent oil stain condensation, the oil stain enters the oil collecting cylinder through the oil collecting pipeline, the oil stain inside is prevented from being full through regular cleaning of the oil collecting cylinder, the oil smoke is filtered through the filter screen film, the smoke reaches the absorption and purification component, at the moment, the fan blades rotate relative to each other, so that the internal air flow is uniformly discharged, is absorbed and purified through the absorption disc bodies I and the absorption disc bodies II, and finally discharged through the, is green and environment-friendly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a lampblack separation type purifies lampblack absorber, its includes engine body shell (1), connects the cover body (6), supplementary subassembly (7) of discharging fume, main rotating fan leaf (4) and adsorb and purify subassembly (3), its characterized in that: a connecting cover body (6) is fixedly arranged on the lower end surface of the machine body shell (1), and a smoke exhaust pipeline (2) is arranged in the middle of the upper end surface of the machine body shell (1) to ensure that smoke enters the machine body shell (1) through the connecting cover body (6), and discharged by a smoke discharge pipeline (2), an auxiliary smoke discharge assembly (7) is arranged in the connecting cover body (6), the auxiliary smoke exhaust component (7) introduces external smoke into the machine body shell (1), the center inside the machine body shell (1) is rotationally provided with a main rotating fan blade (4), the left side and the right side of the main rotating fan blade (4) are both provided with an oil collecting component (5), the oil collecting component (5) collects and treats oil stains contained in oil smoke in the device, and the adsorption and purification component (3) is further installed inside the end face, close to the smoke exhaust pipeline (2), of one side of the machine body shell (1).
2. The oil smoke separating type purifying range hood according to claim 1, wherein: the main rotating fan blade (4) is horizontally arranged in the machine body shell (1) and rotates anticlockwise through a built-in driving motor.
3. The oil smoke separating type purifying range hood according to claim 1, wherein: the auxiliary smoke exhaust assembly (7) comprises a first flow discharge plate (702), a second flow discharge plate (703), a connecting piece (707), a fixing piece (701) and an electric telescopic rod (706), an arc-shaped cover (704) is fixed on one side end face, close to the machine body shell (1), in the connecting cover body (6), the arc-shaped cover (704) is of a downward convex structure, a plurality of smoke exhaust ports are formed in the outer side end face of the arc-shaped cover (704), a fixed shell (705) is coaxially arranged in the center of the arc-shaped cover (704), the electric telescopic rod (706) is installed in the fixed shell (705), the connecting pieces (707) are symmetrically fixed on the left side and the right side of the output end of the electric telescopic rod (706), one ends of the first flow discharge plate (702) and the second flow discharge plate (706) are rotatably connected with the electric telescopic rod (706) through the connecting piece (703), so that the absorption and drainage directions of the auxiliary smoke exhaust assembly (7, the oil smoke passes through the first drainage plate (702) and the second drainage plate (703) and reaches the interior of the machine body shell (1) through the smoke outlet, the other ends of the first drainage plate (702) and the second drainage plate (703) are fixed with the connecting cover body (6) through the fixing piece (701), and the first drainage plate (702) is arranged above the second drainage plate (703).
4. The oil smoke separating type purifying range hood according to claim 1, wherein: the oil collecting component (5) comprises an oil collecting bin (501), a lubricating plate (503), a sealing outer ring (504), a micro heating pipe (505) and an oil collecting cylinder (507), a connecting shell (8) is arranged inside the machine body shell (1), the oil collecting component is discharged to oil smoke through the connecting shell (8), a side end face, close to the oil collecting component (5), of the connecting shell (8) is provided with a permeable film (801), the left side and the right side inside the machine body shell (1) are respectively fixed with the oil collecting bin (501), one side end face, close to a main rotating fan blade (4), of the oil collecting bin (501) is arranged to be of an open structure, the sealing outer ring (504) is fixed with the connecting shell (8), the lubricating plate (503) is further arranged on the connecting shell (8), the lubricating plate (503) is fixed above the permeable film (801) so that the oil smoke forms oil drops on the lubricating plate (503), and penetrate through a permeable film (801) to enter an oil collecting bin (501), an oil collecting pipeline (502) is installed on the lower end face of the oil collecting bin (501), the oil collecting pipeline (502) is communicated with an oil collecting cylinder (507) through a connecting hose (506), miniature heating pipes (505) are further installed at the upper end and the lower end of the oil collecting bin (501), and the miniature heating pipes (505) are used for heating the oil collecting bin (501) in time.
5. The oil smoke separating type purifying range hood according to claim 4, wherein: still be provided with between main rotating fan blade (4) and the absorption purification subassembly (3) and filter nethike embrane (9), filter nethike embrane (9) both sides through with support plate (901) with be connected the seamless laminating of casing (8), it is heat resistance carbon fiber material to filter nethike embrane (9), and the cross section is protruding structure, it filters the oil smoke through built-in membrane pore pair oil smoke to filter nethike embrane (9).
6. The oil smoke separating type purifying range hood according to claim 5, wherein: adsorb purification subassembly (3) including fixed bolster (302), rotating electrical machines (301), flabellum one (304), flabellum two (305), adsorb disk body one (303) and adsorb disk body two (306), connect between casing (8) and engine body shell (1) left and right sides symmetry and install two rotating electrical machines (301), this rotating electrical machines (301) relative rotation, rotating electrical machines (301) overcoat is equipped with fixed bolster (302), and two the output of rotating electrical machines (301) is fixed with flabellum one (304) and flabellum two (305) respectively, makes flabellum one (304) and flabellum two (305) opposite direction rotate, the central axis of flabellum one (304) and flabellum two (305) is on a straight line, and the cover face machine of flabellum one (304) is greater than flabellum two (305) coverage area, two be fixed with on the side end face that rotating electrical machines (301) were kept away from to fixed bolster (302) respectively adsorb disk body one (303) and adsorb disk body (303) and adsorb The outer surface of the first adsorption disc body (303) is in coordination with the inner side end face of the first fan blade (304), the outer surface of the second adsorption disc body (306) is in coordination with the outer side end face of the first fan blade (304), and therefore when oil smoke passes through the positions of the two sides of the first fan blade (304), the first adsorption disc body (303) and the second adsorption disc body (306) absorb the smoke in the oil smoke together.
7. The oil smoke separating type purifying range hood according to claim 6, wherein: the adsorption tray body I (303) and the adsorption tray body II (304) are of detachable structures, are internally provided with cavities, and realize absorption and purification of smoke through built-in activated carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179318.6A CN111288520B (en) | 2020-03-18 | 2020-03-18 | Oil smoke disconnect-type purifies lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179318.6A CN111288520B (en) | 2020-03-18 | 2020-03-18 | Oil smoke disconnect-type purifies lampblack absorber |
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| Publication Number | Publication Date |
|---|---|
| CN111288520A true CN111288520A (en) | 2020-06-16 |
| CN111288520B CN111288520B (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010179318.6A Active CN111288520B (en) | 2020-03-18 | 2020-03-18 | Oil smoke disconnect-type purifies lampblack absorber |
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| Country | Link |
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| CN (1) | CN111288520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719314A (en) * | 2022-04-19 | 2022-07-08 | 苏州德粤通风机电设备有限公司 | Integrative petticoat pipe is purified to oil smoke |
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| CN109990345A (en) * | 2017-12-29 | 2019-07-09 | 华帝股份有限公司 | Negative pressure area adjustable range hood |
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| CN101520204A (en) * | 2009-04-16 | 2009-09-02 | 杭州六易科技有限公司 | Baffle-rotary lampblack absorber capable of adjusting area of air suction port |
| CN106765406A (en) * | 2016-12-30 | 2017-05-31 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN107191985A (en) * | 2017-01-13 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of top-sucking kitchen ventilator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114719314A (en) * | 2022-04-19 | 2022-07-08 | 苏州德粤通风机电设备有限公司 | Integrative petticoat pipe is purified to oil smoke |
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| Publication number | Publication date |
|---|---|
| CN111288520B (en) | 2021-09-17 |
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