CN103644588A - Self-cleaning smoke exhaust ventilator - Google Patents
Self-cleaning smoke exhaust ventilator Download PDFInfo
- Publication number
- CN103644588A CN103644588A CN201310686897.3A CN201310686897A CN103644588A CN 103644588 A CN103644588 A CN 103644588A CN 201310686897 A CN201310686897 A CN 201310686897A CN 103644588 A CN103644588 A CN 103644588A
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- China
- Prior art keywords
- screen pack
- service sink
- filter screen
- cleaning
- cleaning fluid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 109
- 239000000779 smoke Substances 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005406 washing Methods 0.000 abstract description 7
- 239000006233 lamp black Substances 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 17
- 239000004071 soot Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
A self-cleaning smoke exhaust ventilator comprises a suspended hood, a washing pool unit, a filter screen unit and a blower box unit, wherein the washing pool unit is arranged below the rear part of the suspended hood and comprises a washing pool which is horizontally arranged and is capable of containing cleaning solution; the filter screen unit is arranged above the washing pool, comprises at least one cylindrical filter screen which is controlled to rotate and is horizontally arranged between an air inlet of the suspended hood and an air outlet of the washing pool; the cleaning solution in the washing pool forms a cleaning solution curtain on the cylindrical filter screen through the rotation of the cylindrical filter screen. Therefore, the self-cleaning smoke exhaust ventilator has a simple and compact structure; when the smoke exhaust ventilator works, a blower works, a negative pressure area is formed inside the filter screen unit, and when passing through the cleaning solution curtain on the cylindrical filter screen, lampblack gas is mixed with the cleaning solution, so that lampblack can be cleaned timely; not only can the purpose of completely extracting lampblack be achieved, but also the purpose of automatic cleaning of the filter screen is achieved, and troublesome cleaning brought to a user can be avoided.
Description
Technical field
The invention relates to a kind of smoke exhaust ventilator, refer to especially a kind of smoke exhaust ventilator that can realize automatic cleaning.
Background technology
In existing smoke exhaust ventilator cleaning technique, have the fan blade mode of adopt spraying, because ventilator filtering screen or filter are also usually stopped up by greasy dirt grease, when start is cleaned, greasy dirt can directly spray on cooking stove tool; Also have the mode that adopts high-voltage electrode plate, the static that positive and negative electrode is formed at certain distance is inhaled tiny oil droplet that to be bonded at a pole plate first-class under the effect of static, but service time one is long, still exist greasy dirt grease to pile up after difficulty problem of clearing up etc.So both to user, cause the trouble of cleaning, also for the producer makes great efforts to improve, provided direction.
Therefore, this case inventor has just invented the Automatic-cleaning smoke exhaust ventilator that the patent No. is " 200910042014.9 " and " 200910042013.4 ", it can realize automatic cleaning filter screen when pumping oil smoke, but its structure still exists volume larger, and structure relative complex etc. is not attained and improved part.
Summary of the invention
The object of this invention is to provide a kind of compact conformation and Self cleaning hood simple in structure.
For achieving the above object, solution of the present invention is:
A Self cleaning hood, it comprises a suspended hood, service sink unit, screen pack unit and air box unit; Service sink unit is arranged on suspended hood lower rear, and it comprises the service sink of a horizontally set and accommodating cleaning fluid, and screen pack unit is provided in a side of service sink top; Wherein: this screen pack unit comprises the tubular screen pack of at least one capable of controlling rotary, this tubular screen pack is horizontally installed between the air outlet of suspended hood and the air inlet of service sink, and the cleaning fluid in service sink forms cleaning fluid curtain by the rotation of tubular screen pack on tubular screen pack.
Described screen pack unit comprises at least one tubular screen pack, filter screen stand and the motor that drives screen pack to rotate, and tubular screen pack is to be matched with in filter screen stand, and wherein tubular screen pack just touches the cleaning fluid of service sink.
Described screen pack unit comprises at least one tubular screen pack, filter screen stand and the motor that drives screen pack to rotate, tubular screen pack is positioned at service sink top, on filter screen stand, be combined with the cleaning fluid shower of horizontally set, on it, be distributed with liquid outlet, this cleaning fluid shower is communicated with the cleaning fluid in service sink by force (forcing) pump, this cleaning fluid shower be located at tubular screen pack in, between lower curtate, wherein tubular screen pack just touches cleaning fluid.
The two ends of described filter screen stand are further combined with filter screen axle sleeve, and wherein the filter screen axle sleeve of one end is also combined with motor base and coordinates for motor, and tubular screen pack two ends coordinate filter screen axle sleeve, by its rotation of motor driving.
Described suspended hood is the top that is positioned at whole smoke exhaust ventilator, and it extends forward a plate cover to make the oil smoke of the kitchen range top be inhaled into smoothly in smoke exhaust ventilator, is also provided with various control buttons and lighting device on it.
Described service sink forms air inlet towards suspended hood the place ahead, on the suspended hood above this service sink, be provided with air outlet.
Described air box unit is provided in a side of the air outlet top of suspended hood, its top is exhaust outlet, it comprises an air box and is located at the blower fan group in air box, this blower fan group comprises motor, by motor-operated impeller, and cover is placed in the ventilating duct on impeller, this ventilating duct one end UNICOM air inlet, other end UNICOM exhaust outlet.
Adopt after such scheme, the present invention is horizontally set in service sink unit and rotary tubular screen pack by a kind of, this screen pack is stained with cleaning fluid when rotating, cleaning fluid forms cleaning fluid curtain on screen pack, and screen pack is just between the air inlet of service sink and the air outlet of suspended hood, therefore it is simple in structure and compact, during use, blower fan work, in filter screen unit, produce negative pressuren zone, above screen pack unit, air outlet place also produces negative pressuren zone simultaneously, when soot gas passes the cleaning fluid curtain of tubular screen pack, just produce gas and liquid mixed flow process with cleaning fluid, in time oil smoke is washed down, both realize the object of clean oil smoke, reached again the object of automatic cleaning and filtering net, avoided the trouble of the many cleanings of user.
Accompanying drawing explanation
Fig. 1 is the structure outside drawing of the embodiment of the present invention 1;
Fig. 2 is that the workflow of the embodiment of the present invention 1 is to schematic diagram;
Fig. 3 is the broken section signal of the embodiment of the present invention 1;
Fig. 4 is the decomposing schematic representation of the embodiment of the present invention 1 screen pack unit;
Fig. 5 is the combination schematic diagram of the embodiment of the present invention 1 screen pack unit;
Fig. 6 is the structure cutaway view of the service sink unit of the embodiment of the present invention 1;
Fig. 7 is the structure outside drawing of the embodiment of the present invention 2;
Fig. 8 is that the workflow of the embodiment of the present invention 2 is to schematic diagram;
Fig. 9 is the decomposing schematic representation of the embodiment of the present invention 2 screen pack units;
Figure 10 is the structure diagram of the embodiment of the present invention 3.
The specific embodiment
As shown in Figures 1 to 9, the present invention has disclosed a kind of Self cleaning hood, and it comprises a suspended hood 1, service sink unit 2, screen pack unit 3 and air box unit 4; Service sink unit 2 is arranged on suspended hood 1 lower rear, and it comprises the service sink 21 of a horizontally set and accommodating cleaning fluid, and screen pack unit 3 is provided in a side of service sink 21 tops; Key of the present invention is: this screen pack unit 3 comprises the tubular screen pack 31 of at least one capable of controlling rotary, this tubular screen pack 31 is horizontally installed between the air outlet 12 of suspended hood 1 and the air inlet 211 of service sink 21, and the cleaning fluid in service sink 21 forms cleaning fluid curtain by the rotation of tubular screen pack 31 on tubular screen pack 31.
The embodiment 1 that coordinates the Self cleaning hood of the present invention shown in Fig. 1 to Fig. 6: it comprises a suspended hood 1, service sink unit 2, screen pack unit 3 and air box unit 4;
This suspended hood 1 is the top that is positioned at whole smoke exhaust ventilator, and it prolongs forward a plate cover to make the oil smoke of the kitchen range top be inhaled into smoothly in smoke exhaust ventilator, and its plate cover is provided with various control buttons 11 and lighting device.
Air box unit 4 is provided in a side of air outlet 12 tops of suspended hood 1, its top is exhaust outlet 41, it comprises an air box 42 and is located at the blower fan group 43 in air box 42, this blower fan group can comprise motor, by motor-operated impeller, and cover is placed in the ventilating duct on impeller, this above-mentioned air outlet 12 of ventilating duct one end UNICOM, other end UNICOM exhaust outlet 41.In this vent passages pipe, be provided with test blast changeable device, to guarantee automatic controllability energy, and carry out all needs can automatic variable data, provide automatic control system device obtainable automatic control ability.
When smoke exhaust ventilator normally uses, open starting switch and get final product work.
And need to carry out cleaning to smoke exhaust ventilator time, in service sink 21, be placed in finite concentration cleaning fluid to the side of tubular screen pack 31 and just can touch the liquid level of cleaning fluid, open the gauge tap of service sink unit 2 and screen pack unit 3, screen pack 31 slow rotation in service sink 21, meanwhile screen pack 31 just can adhere to cleaning fluid and rotating, be subject to cleaning fluid in the effect of screen pack 31 grid upper surface tension force, cleaning fluid can form cleaning fluid curtain very thin and that flow downward along screen pack 31 on screen pack 31, and wander in service sink 21, with this, form the circulating path of a cleaning fluid, meanwhile soot gas is in the motor energising work of air box 42 apoplexy units 43, drive fan blade rotates, make the interior generation negative pressuren zone of screen pack unit 3, above screen pack unit 3, air outlet 12 places also produce negative pressuren zone simultaneously, thus, soot gas under suspended hood 1 is upwards inhaled into tubular screen pack 31, when soot gas passes the cleaning fluid curtain of tubular screen pack 31, just produce gas and liquid mixed flow process, because soot gas need radially pass the stack shell of tubular screen pack 31, pass the screen pack of twice, can guarantee that gas and liquid mixture can be separated into gas and liquid fully tubular screen pack 31 is interior, the gas being discharged from is cleaned, soot gas is through the mesh of twice screen pack of multilayer 31 and the mixture of the mixed friction formation gas of combined mobile cleaning fluid curtain and liquid, and soot gas is fully mixed, and in mixed flow, is cleaned, meanwhile, cleaning fluid is conducted oneself with dignity and flowed downward to converge to be back in service sink 21, the tubular screen pack 31 constantly rotating circulates and so forth and had both realized the object of clean oil smoke, reached again the object of automatic cleaning tubular screen pack 31, this tubular screen pack 31 need not be pulled down cleaning, without greasy dirt grease, stops up, the gas of discharging is without secondary pollution environment such as greasy dirt oil smoke, and the gas of backflow is also clean clean, makes the internal and external environments such as kitchen and people no longer suffer the worry of fume pollution, avoids the trouble of the many cleanings of user.
In the service sink 21 of this service sink unit 2, can be provided with the automatic control of sewage disposal device of infrared observation, dirty efficient to guarantee wash oil tobacco tar, cleaning control is at best clean conditions; On this service sink 21, be also provided with microcomputer automatic control device to add up to regularly blowdown apparatus or timing alarm prompting blowdown apparatus, dirty efficient to guarantee wash oil tobacco tar, cleaning control is at best clean conditions; This microcomputer automatic control device is controlled latent pump start by set date at 23 intermittence and is stopped simultaneously, to guarantee batch cleaning screen pack 31 oil smoke greasy dirts, makes the micro-resistance of air-flow by combined cleaning fluid curtain, and cleaning control is at best clean conditions; In service sink 21, be further provided with the liquid level that a float switch 27 can Automatic Positioning Control cleaning fluid, to guarantee the sufficient quantity of cleaning fluid, and guarantee timely cleaning function; In this service sink 21, also design a liquid level and cross and overflow from flow control device, with the floating greasy dirt of guaranteeing to be produced when wash oil tobacco tar is dirty, the discharge dirt that can automatically flow automatically, makes it to keep in time cleaning cleannes, and can prevent that cleaning fluid at service sink mouth overflow out; In addition, in service sink 21, can design temperature control automatic heating device (being thermostat 25 and heating rod 26), facilitate heated wash, while using in order to zones of different Various Seasonal, can reach this cleaning of ability of high-efficiency washing; Moreover, in this service sink unit 2, be also provided with and automatically supplement cleaning agent control device, to guarantee the cleaning concentration of cleaning fluid in running, make it to reach the reaction of quick dissolving greasy dirt, oil smoke; This automaton is the glittering suggestion device of light modulation that automatically report rings or the sound prompt device that report rings automatically, to guarantee that every control device can give full play to it and normally move.On the side of this service sink 21, also can be provided with the convenient aperture mirror of observing cleaning fluid cleannes.
The embodiment 2 of Self cleaning hood of the present invention as shown in Figures 6 to 9: it comprises a suspended hood 1, service sink unit 2, screen pack unit 3 and air box unit 4 equally.
Itself and embodiment 1 same structure are not repeated herein; Difference is that tubular screen pack 31 is positioned at service sink 21 tops, it is the liquid level that tubular screen pack 31 does not touch cleaning fluid, and on filter screen stand 32, be combined with the cleaning fluid shower 36 of horizontally set, on it, be distributed with liquid outlet, this cleaning fluid shower 36 is communicated with the cleaning fluid in service sink 21 by force (forcing) pump, this cleaning fluid shower 36 be located at tubular screen pack 31 in, between lower curtate, wherein tubular screen pack 31 just touches from the cleaning fluid of cleaning fluid shower 36 ejection.
When smoke exhaust ventilator is carried out to cleaning, in service sink 21, be placed in finite concentration cleaning fluid, open the gauge tap of service sink unit 2 and screen pack unit 3, screen pack 31 slow rotation, meanwhile cleaning fluid through cleaning fluid shower 36 and jet flow to screen pack 31, screen pack 31 just can adhere to cleaning fluid and rotate, and can realize equally the function of Automatic-cleaning smoke exhaust ventilator.
Certainly, described tubular screen pack 31 not only limits to one, as shown in figure 10, also can adopt side by side a plurality of or present lower horizontal spread configuration, can further promote the effect of cleaning oil smoke.
In sum, the present invention is horizontally set in service sink unit 2 and rotary tubular screen pack 31 by a kind of, this screen pack 31 is stained with cleaning fluid when rotating, cleaning fluid forms cleaning fluid curtain on screen pack 31, and screen pack 31 is just between the air inlet 211 of service sink 21 and the air outlet 12 of suspended hood 1, therefore it is simple in structure and compact, during use, blower fan work, the interior generation negative pressuren zone of filter screen unit 3, above screen pack unit 3, air outlet 12 places also produce negative pressuren zone simultaneously, when soot gas passes the cleaning fluid curtain of tubular screen pack 31, just produce gas and liquid mixed flow process with cleaning fluid, in time oil smoke is washed down, both realize the object of clean oil smoke, reached again the object of automatic cleaning and filtering net, avoided the trouble of the many cleanings of user.
Claims (7)
1. a Self cleaning hood, it comprises a suspended hood, service sink unit, screen pack unit and air box unit; Service sink unit is arranged on suspended hood lower rear, and it comprises the service sink of a horizontally set and accommodating cleaning fluid, and screen pack unit is provided in a side of service sink top; It is characterized in that: this screen pack unit comprises the tubular screen pack of at least one capable of controlling rotary, described tubular screen pack is horizontally installed between the air inlet of suspended hood and the air outlet of service sink, and the cleaning fluid in service sink forms cleaning fluid curtain by the rotation of tubular screen pack on tubular screen pack.
2. a kind of Self cleaning hood as claimed in claim 1, it is characterized in that: described screen pack unit comprises at least one tubular screen pack, filter screen stand and the motor that drives screen pack to rotate, tubular screen pack is to be matched with in filter screen stand, and wherein tubular screen pack just touches the cleaning fluid of service sink.
3. a kind of Self cleaning hood as claimed in claim 1, it is characterized in that: described screen pack unit comprises at least one tubular screen pack, filter screen stand and the motor that drives screen pack to rotate, tubular screen pack is positioned at service sink top, on filter screen stand, be combined with the cleaning fluid shower of horizontally set, on it, be distributed with liquid outlet, this cleaning fluid shower is communicated with the cleaning fluid in service sink by force (forcing) pump, this cleaning fluid shower be located at tubular screen pack in, between lower curtate, wherein tubular screen pack just touches cleaning fluid.
4. a kind of Self cleaning hood as claimed in claim 2 or claim 3, it is characterized in that: the two ends of described filter screen stand are further combined with filter screen axle sleeve, wherein the filter screen axle sleeve of one end is also combined with motor base and coordinates for motor, tubular screen pack two ends coordinate filter screen axle sleeve, by its rotation of motor driving.
5. a kind of Self cleaning hood as claimed in claim 1, it is characterized in that: described suspended hood is the top that is positioned at whole smoke exhaust ventilator, it extends forward a plate cover to make the oil smoke of the kitchen range top be inhaled into smoothly in smoke exhaust ventilator, is also provided with various control buttons and lighting device on it.
6. a kind of Self cleaning hood as claimed in claim 1, is characterized in that: described service sink forms air inlet towards suspended hood the place ahead, on the suspended hood above this service sink, be provided with air outlet.
7. a kind of Self cleaning hood as claimed in claim 1, it is characterized in that: described air box unit is provided in a side of the air outlet top of suspended hood, its top is exhaust outlet, it comprises an air box and is located at the blower fan group in air box, this blower fan group comprises motor, by motor-operated impeller, and cover is placed in the ventilating duct on impeller, this ventilating duct one end UNICOM air inlet, other end UNICOM exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686897.3A CN103644588A (en) | 2013-12-16 | 2013-12-16 | Self-cleaning smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310686897.3A CN103644588A (en) | 2013-12-16 | 2013-12-16 | Self-cleaning smoke exhaust ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103644588A true CN103644588A (en) | 2014-03-19 |
Family
ID=50249843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310686897.3A Pending CN103644588A (en) | 2013-12-16 | 2013-12-16 | Self-cleaning smoke exhaust ventilator |
Country Status (1)
| Country | Link |
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| CN (1) | CN103644588A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055212A (en) * | 2014-07-13 | 2014-09-24 | 红塔烟草(集团)有限责任公司 | Device and method for increasing water content of materials evenly |
| CN105180241A (en) * | 2015-09-25 | 2015-12-23 | 刘恩华 | Control system of smoke exhaust ventilator and control method for control system |
| CN107062320A (en) * | 2016-12-09 | 2017-08-18 | 成都前锋电子有限责任公司 | A kind of inside L-type range hood capable of washing |
| CN109758844A (en) * | 2017-11-09 | 2019-05-17 | 宁波方太厨具有限公司 | The double-deck dynamic filter mechanism and the range hood with the mechanism |
| CN109827203A (en) * | 2017-11-23 | 2019-05-31 | 宁波方太厨具有限公司 | Double-layer leaching net mechanism and range hood with the mechanism |
| CN110779063A (en) * | 2019-11-25 | 2020-02-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Filter screen subassembly and oil smoke purifier |
| CN110822523A (en) * | 2019-11-25 | 2020-02-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtering component and oil smoke purifier |
| CN110906409A (en) * | 2019-12-13 | 2020-03-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtering component and oil smoke purifier |
| CN111288526A (en) * | 2020-03-31 | 2020-06-16 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112539442A (en) * | 2020-12-22 | 2021-03-23 | 浙江师范大学 | Self-cleaning device and cleaning method for filter screen of range hood |
| CN113048521A (en) * | 2019-12-26 | 2021-06-29 | 广东美的白色家电技术创新中心有限公司 | Smoke exhaust ventilator |
| CN113217968A (en) * | 2021-05-31 | 2021-08-06 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN114383169A (en) * | 2022-01-04 | 2022-04-22 | 上海星级酒店设备工程有限公司 | Intelligent oil frequency conversion environmental protection petticoat pipe |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055212B (en) * | 2014-07-13 | 2016-08-24 | 红塔烟草(集团)有限责任公司 | A kind of Apparatus and method for of uniform increase material water ratio |
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| CN105180241A (en) * | 2015-09-25 | 2015-12-23 | 刘恩华 | Control system of smoke exhaust ventilator and control method for control system |
| CN107062320A (en) * | 2016-12-09 | 2017-08-18 | 成都前锋电子有限责任公司 | A kind of inside L-type range hood capable of washing |
| CN109758844A (en) * | 2017-11-09 | 2019-05-17 | 宁波方太厨具有限公司 | The double-deck dynamic filter mechanism and the range hood with the mechanism |
| CN109758844B (en) * | 2017-11-09 | 2024-01-16 | 宁波方太厨具有限公司 | Double-layer dynamic filter screen mechanism and range hood with same |
| CN109827203A (en) * | 2017-11-23 | 2019-05-31 | 宁波方太厨具有限公司 | Double-layer leaching net mechanism and range hood with the mechanism |
| CN109827203B (en) * | 2017-11-23 | 2024-01-16 | 宁波方太厨具有限公司 | Double-layer filter screen mechanism and range hood with same |
| CN110779063B (en) * | 2019-11-25 | 2024-02-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Filter screen assembly and oil smoke purifier |
| CN110779063A (en) * | 2019-11-25 | 2020-02-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Filter screen subassembly and oil smoke purifier |
| CN110822523A (en) * | 2019-11-25 | 2020-02-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtering component and oil smoke purifier |
| CN110906409A (en) * | 2019-12-13 | 2020-03-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtering component and oil smoke purifier |
| CN110906409B (en) * | 2019-12-13 | 2022-02-01 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtering component and oil smoke purifier |
| CN113048521B (en) * | 2019-12-26 | 2024-03-29 | 广东美的白色家电技术创新中心有限公司 | Fume exhaust fan |
| CN113048521A (en) * | 2019-12-26 | 2021-06-29 | 广东美的白色家电技术创新中心有限公司 | Smoke exhaust ventilator |
| CN111288526B (en) * | 2020-03-31 | 2022-03-18 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111288526A (en) * | 2020-03-31 | 2020-06-16 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112539442A (en) * | 2020-12-22 | 2021-03-23 | 浙江师范大学 | Self-cleaning device and cleaning method for filter screen of range hood |
| CN113217968A (en) * | 2021-05-31 | 2021-08-06 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN114383169A (en) * | 2022-01-04 | 2022-04-22 | 上海星级酒店设备工程有限公司 | Intelligent oil frequency conversion environmental protection petticoat pipe |
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Application publication date: 20140319 |