CN104676699A - T-shaped range hood with multiple layers of oil fume separation meshes - Google Patents
T-shaped range hood with multiple layers of oil fume separation meshes Download PDFInfo
- Publication number
- CN104676699A CN104676699A CN201510137480.0A CN201510137480A CN104676699A CN 104676699 A CN104676699 A CN 104676699A CN 201510137480 A CN201510137480 A CN 201510137480A CN 104676699 A CN104676699 A CN 104676699A
- Authority
- CN
- China
- Prior art keywords
- oil smoke
- separate mesh
- smoke separate
- oil fume
- oil
- Prior art date
- 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.)
- Granted
Links
- 239000003517 fume Substances 0.000 title abstract description 19
- 238000000926 separation method Methods 0.000 title abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 121
- 239000006096 absorbing agent Substances 0.000 claims description 29
- 239000006233 lamp black Substances 0.000 claims description 29
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 235000019504 cigarettes Nutrition 0.000 description 10
- 101150038956 cup-4 gene Proteins 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention provides a T-shaped range hood with multiple layers of oil fume separation meshes. The T-shaped range hood comprises a housing, an external oil fume separation mesh, a middle oil fume separation mesh, an internal oil fume separation mesh, an oil cup, a motor, a volute with a motor bracket, double worms, a smog sensor and other range hood assemblies, wherein the external oil fume separation mesh is of an inverted pyramid shape, the middle oil fume separation mesh is in a plane shape, the internal oil fume separation mesh is in an M shape, and the three oil fume separation meshes form a wrapping progressive space. In light of a principle of fluid dynamics, a huge negative pressure region is generated to collect oil smoke deeply, the resistance is reduced when the oil fume rises and the exhaust air quantity is increased; the smog sensor senses smog to automatically adjust the motor to rotate so as to adjust the suction of the range hood. The T-shaped range hood sucking and exhausting the oil fume has the functions of quickly sucking the oil smoke and automatically adjusting wind power, avoids the risk that the working performance of the range hood is affected as the oil fume is unsmooth to suck and exhaust when the oil fume in the raising process blocks the smoke meshes, and improves the performance of the T-shaped range hood in the oil fume suction and exhaust.
Description
Technical field
The present invention relates to a kind of T-shaped lampblack absorber, more specifically, relate to a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh.
Background technology
T-shaped lampblack absorber is for separating of kitchen fume, existing T-shaped oil smoke separate mesh is double layer separation net, extraposition net is inverted pyramid type, built-in net is fine mesh type, there is oil smoke is separated not thorough, the unconspicuous deficiency of smoking effect, and built-in oil network is as easy as rolling off a log to be blocked by oil smoke, cause cooking fume exhausting smooth, time serious, cause oil smoke at all cannot suction.
Summary of the invention
The object of this invention is to provide the T-shaped lampblack absorber of the good band multilayer oil smoke separate mesh of a kind of smoking effect.
Object of the present invention is achieved through the following technical solutions:
With a T-shaped lampblack absorber for multilayer oil smoke separate mesh, comprise casing, oil smoke separate mesh, lubricating cup, motor, the spiral case of translator support, two turbine and Smoke Sensor, it is characterized in that:
Described oil smoke separate mesh is by the bottom-up external oil smoke separate mesh, middle level oil smoke separate mesh and the built-in oil smoke separate mesh that set gradually, and described external oil smoke separate mesh is inverted pyramid type, described middle level oil smoke separate mesh is plane, and described built-in oil smoke separate mesh is M type.
Four sides of described external oil smoke separate mesh are respectively equipped with the first rectangular channel along generatrix direction, bottom surface centre is provided with circular oil diverting port, described middle level oil smoke separate mesh is provided with four group of second rectangular channel, and the slotting position often organizing the second rectangular channel respectively with corresponding described first rectangular channel on projection relation in misplacing alternately, wrong laying up puts, described built-in oil smoke separate mesh is provided with the 3rd rectangular channel, periphery is provided with limit to oil guide groove, be provided with bottom oil guide groove bottom middle V-type, ratio first rectangular channel of described 3rd rectangular channel and the width of the second rectangular channel narrow.
The T-shaped lampblack absorber of the present invention has following additional technical feature:
The spiral case of described translator support is used for fixing described motor, and motor shaft is by little bolt driving turbine rotation, and motor shaft and turbine bore connect together, and motor shaft end is provided with the screw thread of certain length.
Described Smoke Sensor is arranged in smoke chamber, automatically smog size is responded to according to reality culinary art demand, adopt photoelectricity transformation principle, the signal of telecommunication is received by cigarette machine computer board, primary processor is made decision according to the signal of telecommunication, and conveys to described motor, and described motor responds according to pumping signal, adjustment rotating speed, and then regulate cigarette machine wind-force size.
Described built-in oil smoke separate mesh adopts M type, effectively utilize principle of hydrodynamics, oil smoke is long-pending in uphill process middle section to diminish, the rate of climb accelerates, and the wink achieving oil smoke inhales, and farthest reduces fumes escaping, effectively improve oil smoke separation rate, the M type profile of original creation, top forms two peaks, makes cigarette effect again to improve.
Described external oil smoke separate mesh adopts inverted pyramid type, and agree with mutually with the built-in oil smoke separate mesh of described M type, Formation Depth holds together smoke chamber, and negative pressuren zone increases greatly, resistance when minimizing oil smoke rises, and directly increases smoke evacuation air quantity, and smooth suction is without hindrance.
First rectangular channel layout of described external oil smoke separate mesh and the second rectangular channel of described middle level oil smoke separate mesh kind are staggered each other, guarantee that the oil smoke oil droplet that condensation is formed in uphill process is accurately along oil guide groove following current in described lubricating cup.
Described lubricating cup appearance transparent, the long-pending oil that person easy to use observes in lubricating cup is how many, and described lubricating cup is provided with to hang and pastes, and coordinate with the hook of described external oil smoke separate mesh, dismounting is simple and convenient, avoids described lubricating cup in unloading process, cause oil droplet to splash.
Described cigarette machine casing lower end is furnished with described Smoke Sensor, and described Smoke Sensor probe receives extraneous oil smoke signal, and form feedback control loop with primary processor, after oil smoke separating degree reaches standard, described Smoke Sensor stops operation.
Described T-shaped kitchen ventilator panel center arrangement has button assembly, and two ends, left and right are furnished with LED, hold together in smoke chamber and are furnished with lighting lamp for work; LED is used for kitchen illumination, and energy-conserving and environment-protective, illumination when lighting lamp for work is for cooking, two groups of lamps are separate, can open separately, also can open simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 2 is the stereogram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 3 is the upward view of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 4 is the built-in oil smoke separate mesh schematic diagram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 5 is the middle level oil smoke separate mesh schematic diagram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 6 is the worm frame schematic diagram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 7 is the spiral case axial arrangement schematic diagram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 8 is the external oil smoke separate mesh schematic diagram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Fig. 9 is the double-turbine structure schematic diagram of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Figure 10 is the partial sectional view of the T-shaped lampblack absorber of the embodiment of the present invention one with multilayer oil smoke separate mesh.
Figure 11 is the combination schematic diagram of three layers of oil smoke separate mesh.
Detailed description of the invention
The preferred embodiments of the present invention accompanying drawings is as follows:
Embodiment one: in the present embodiment, see Fig. 1-Figure 10, a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh, comprise casing 2, external oil smoke separate mesh 19, middle level oil smoke separate mesh 13, built-in oil smoke separate mesh 9, lubricating cup 4, motor 27, the spiral case 15 of translator support 18, two turbine 16, Smoke Sensor 8 and other cigarette thermomechanical components, casing holds together smoke chamber 7 for having the pyramidal cavity at certain angle of inclination, external oil smoke screen 19 is installed in the bottom in chamber, installation middle level, top oil smoke screen 13, built-in oil smoke screen 9, external oil smoke screen 19 is provided with hook, lubricating cup 4 is provided with the extension matched with it and pastes 22, by the installation and removal coordinated for realizing lubricating cup that hook pastes with extension.
In the present embodiment, see Fig. 1-Figure 10, external oil smoke separate mesh 19 is in inverted pyramid type, middle level oil smoke separate mesh 13 is in plane, built-in oil smoke separate mesh 9 is in M type, the matching relationship of three layers is with reference to Figure 11, pyramid shape space is formed between external oil smoke separate mesh 19 and middle level oil smoke separate mesh 13, M shape space is formed between middle level oil smoke separate mesh 13 and built-in oil smoke separate mesh 9, three layers of oil smoke separate mesh form the progressive shape space of parcel, form huge negative pressuren zone, the degree of depth holds together cigarette, reduce resistance when oil smoke rises, increase smoke evacuation air quantity, be conducive to promoting the rate of climb of oil smoke in ascension process, mid-oil smoke separate mesh 13 surface smoothing of plane, more can follow " wall attachment effect ", mid-second rectangular channel 14 that condensed oil droplet is arranged on middle level oil smoke separate mesh 13 slips into external oil smoke separate mesh 19, and be close to the following current of external oil smoke separate mesh 19 inwall to bottom, by bottom oil diverting port 21 following current in lubricating cup 4.
In the present embodiment, see Fig. 8, external oil smoke separate mesh 19 has been provided with the first rectangular channel 20, and bottom is provided with circular oil diverting port 21; Middle level oil smoke separate mesh 13 is provided with four group of second rectangular channel 14, on slotting position and external oil smoke separate mesh 19, the slotting position of the first rectangular channel misplaces alternately, wrong laying up puts, thorough solution oil droplet drips the problem of spattering, and guarantees that the oil smoke oil droplet that condensation is formed in uphill process is accurately along oil guide groove following current in lubricating cup 4; Built-in oil smoke separate mesh 9 is provided with the 3rd elongated rectangular channel 12, and periphery is provided with limit to oil guide groove 10, is provided with bottom oil guide groove 11 bottom V-type.
In the present embodiment, see Fig. 6-Fig. 7, the spiral case 15 of translator support 18 is for fixed electrical machinery 27, motor 27 axle rotates through promoting the two turbine 16 of little bolt driving after axis hole 25, motor shaft and turbine bore connect together, synchronous axial system, and motor shaft end is provided with the screw thread of certain length, be equipped with corresponding standard component nut 23 to tighten, the two turbine 16 of axial location.
In the present embodiment, see Fig. 9, the blade 24 on two turbine 16 is welded on turbine bore place, is separated between two turbines by baffle plate 26, and effect has two aspects, plays buffer action on the one hand, makes left and right turbine space separate, prevents air to the existing turbulent flow of blowout; On the other hand, the effect of positioning motor 27 is played.
In the present embodiment, see Fig. 6-Fig. 7, the square opening at spiral case 15 top is check (non-return) valve installing hole 17, passes through, together with screw fastening, to prevent oil vapor backstreaming by sealing strip and check (non-return) valve.
In the present embodiment, see Fig. 2, Smoke Sensor 8 responds to smog size automatically according to reality culinary art demand, adopt photoelectricity transformation principle, receive the signal of telecommunication by cigarette machine computer board (not shown), primary processor is made decision according to the signal of telecommunication, and convey to motor 27, motor 27 responds according to pumping signal, adjustment rotating speed, and then regulates cigarette machine wind-force size.
In the present embodiment, see Fig. 4, built-in oil smoke separate mesh 9 adopts M type, effectively utilizes principle of hydrodynamics, oil smoke is long-pending in uphill process middle section to diminish, the rate of climb accelerates, and the wink achieving oil smoke inhales, and farthest reduces fumes escaping, effectively improve oil smoke separation rate, the M type profile of original creation, top forms two peaks, makes cigarette effect again to improve.
In the present embodiment, see Fig. 8, lubricating cup 4 appearance transparent, the long-pending oil that person easy to use observes in lubricating cup is how many, and lubricating cup 4 is provided with hangs subsides 22, and coordinate with the hook of external oil smoke separate mesh 19, dismounting is simple and convenient, avoids lubricating cup 4 in unloading process, cause oil droplet to splash.
In the present embodiment, see Fig. 1-Fig. 2, T-shaped lampblack absorber guidance panel 6 center arrangement has button assembly 5, and two ends, left and right are furnished with LED 3, hold together in smoke chamber to be furnished with lighting lamp for work 28; LED 3 is for kitchen illumination, and energy-conserving and environment-protective, illumination when lighting lamp for work 28 is for cooking, two groups of lamps are separate, can open separately, also can open simultaneously, the use of handled easily personnel.
In the present embodiment, see Fig. 1-Fig. 2, T-shaped lampblack absorber cigarette machine coaming plate 1 and casing 2 are by being welded and fixed, spiral case 15 is axially placed in coaming plate 1 fixing, in the course of work, motor 27 and two turbine 16 High Rotation Speed, oil smoke revolves suction from left and right both direction simultaneously, two-way smoking improves oil smoke suction, increases exhaust air rate.
Embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is:
In the present embodiment, guidance panel 6 adopts touch-screen to control, adopt wireless blue tooth communication technology Remote, place oneself in the midst of bedroom outside kitchen and parlor can operate lampblack absorber, Smoke Sensor 8 is when detecting that kitchen fume separating degree reaches standard, lampblack absorber is closed automatically, realizes automation.
By reference to the accompanying drawings the embodiment of the present invention is illustrated above; but the invention is not restricted to above-described embodiment; multiple change can also be made according to the object of the invention; all technical spirit according to technical solution of the present invention and principle do any simple modification, change, modification; the substitute mode of equivalence all should be considered as, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. the T-shaped lampblack absorber with multilayer oil smoke separate mesh, comprises casing, oil smoke separate mesh, lubricating cup, motor, the spiral case of translator support, two turbine and Smoke Sensor, it is characterized in that:
Described oil smoke separate mesh is made up of bottom-up external oil smoke separate mesh, middle level oil smoke separate mesh and the built-in oil smoke separate mesh set gradually, and described external oil smoke separate mesh is inverted pyramid type, described middle level oil smoke separate mesh is plane, and described built-in oil smoke separate mesh is M type.
2. a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh according to claims 1, it is characterized in that: four sides of described external oil smoke separate mesh are respectively equipped with the first rectangular channel along generatrix direction, bottom surface centre is provided with circular oil diverting port, described middle level oil smoke separate mesh is provided with four group of second rectangular channel, and the slotting position often organizing the second rectangular channel is misplace alternately respectively with corresponding described first rectangular channel on projection relation, wrong laying up is put, described built-in oil smoke separate mesh is provided with the 3rd rectangular channel, periphery is provided with limit to oil guide groove, bottom oil guide groove is provided with bottom middle V-type.
3. a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh according to claims 2, is characterized in that: ratio first rectangular channel of described 3rd rectangular channel and the width of the second rectangular channel narrow.
4. a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh according to claims 1, it is characterized in that: the spiral case of described translator support is used for fixing described motor, described motor shaft is by turbine rotation two described in little bolt driving, motor shaft and turbine bore connect together, and motor shaft end is provided with the screw thread of certain length.
5. a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh according to claims 1, is characterized in that: described Smoke Sensor is arranged in smoke chamber.
6. a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh according to claims 1, is characterized in that: described lubricating cup pastes to coordinate by hook, extension and carries out dismountable connection with external oil smoke separate mesh.
7. a kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh according to claims 1, is characterized in that: described T-shaped kitchen ventilator panel center arrangement has button assembly, and two ends, left and right are furnished with LED, hold together in smoke chamber and are furnished with lighting lamp for work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137480.0A CN104676699B (en) | 2015-03-26 | 2015-03-26 | T-shaped range hood with multiple layers of oil fume separation meshes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137480.0A CN104676699B (en) | 2015-03-26 | 2015-03-26 | T-shaped range hood with multiple layers of oil fume separation meshes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104676699A true CN104676699A (en) | 2015-06-03 |
| CN104676699B CN104676699B (en) | 2017-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137480.0A Active CN104676699B (en) | 2015-03-26 | 2015-03-26 | T-shaped range hood with multiple layers of oil fume separation meshes |
Country Status (1)
| Country | Link |
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| CN (1) | CN104676699B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167908A (en) * | 2018-03-07 | 2018-06-15 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator of induction type speed governing |
| CN109424996A (en) * | 2017-08-22 | 2019-03-05 | 天津市科瑞燃气设备有限公司 | A kind of smoke evacuation component of gas-fired equipment for kitchen use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020037245A (en) * | 2000-11-13 | 2002-05-18 | 요시히로 야마다 | A composite filter for a range hood |
| CN201724288U (en) * | 2010-05-25 | 2011-01-26 | 樱花卫厨（中国）股份有限公司 | Oil screen device for range hood |
| CN102607081A (en) * | 2011-04-06 | 2012-07-25 | 美的集团有限公司 | Air inlet mesh enclosure of range hood |
| CN103411248A (en) * | 2013-08-12 | 2013-11-27 | 昆明金展信厨房设备有限公司 | Oil fume purifying machine |
| CN203949234U (en) * | 2014-01-20 | 2014-11-19 | 任成新 | Intelligent fume exhauster |
| CN203949238U (en) * | 2014-05-16 | 2014-11-19 | 青岛兴邦电子电器有限公司 | A kind of side-absorption type smoke exhaust ventilator |
| CN204574176U (en) * | 2015-03-26 | 2015-08-19 | 山东小鸭集团小家电有限公司 | A kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh |
-
2015
- 2015-03-26 CN CN201510137480.0A patent/CN104676699B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020037245A (en) * | 2000-11-13 | 2002-05-18 | 요시히로 야마다 | A composite filter for a range hood |
| CN201724288U (en) * | 2010-05-25 | 2011-01-26 | 樱花卫厨（中国）股份有限公司 | Oil screen device for range hood |
| CN102607081A (en) * | 2011-04-06 | 2012-07-25 | 美的集团有限公司 | Air inlet mesh enclosure of range hood |
| CN103411248A (en) * | 2013-08-12 | 2013-11-27 | 昆明金展信厨房设备有限公司 | Oil fume purifying machine |
| CN203949234U (en) * | 2014-01-20 | 2014-11-19 | 任成新 | Intelligent fume exhauster |
| CN203949238U (en) * | 2014-05-16 | 2014-11-19 | 青岛兴邦电子电器有限公司 | A kind of side-absorption type smoke exhaust ventilator |
| CN204574176U (en) * | 2015-03-26 | 2015-08-19 | 山东小鸭集团小家电有限公司 | A kind of T-shaped lampblack absorber with multilayer oil smoke separate mesh |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424996A (en) * | 2017-08-22 | 2019-03-05 | 天津市科瑞燃气设备有限公司 | A kind of smoke evacuation component of gas-fired equipment for kitchen use |
| CN108167908A (en) * | 2018-03-07 | 2018-06-15 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator of induction type speed governing |
| CN108167908B (en) * | 2018-03-07 | 2023-01-03 | 佛山市云米电器科技有限公司 | Range hood with induction type speed regulation function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104676699B (en) | 2017-01-11 |
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Denomination of invention: A T-shaped range hood with multiple layers of oil fume separation mesh Effective date of registration: 20231225 Granted publication date: 20170111 Pledgee: Bank of China Limited Jinan Huaiyin sub branch Pledgor: SHANDONG LITTLE DUCK GROUP SMALL HOUSEHOLD APPLIANCES CO.,LTD. Registration number: Y2023980074094 |