CN107781885A - A kind of smoke exhaust ventilator of efficient absorption oil smoke - Google Patents
A kind of smoke exhaust ventilator of efficient absorption oil smoke Download PDFInfo
- Publication number
- CN107781885A CN107781885A CN201711201990.5A CN201711201990A CN107781885A CN 107781885 A CN107781885 A CN 107781885A CN 201711201990 A CN201711201990 A CN 201711201990A CN 107781885 A CN107781885 A CN 107781885A
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- China
- Prior art keywords
- air inlet
- inlet group
- oil smoke
- air
- exhaust ventilator
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0275—Other waste gases from food processing plants or kitchens
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ventilation (AREA)
Abstract
A kind of smoke exhaust ventilator of efficient absorption oil smoke, it is provided with cigarette owner's body, cigarette owner body is provided with shell, the air inlet group of multiple different directions is offered on shell, each air inlet group is each equipped with spoiler, and cigarette machine body interior is equipped with the oil smoke cooling device being used cooperatively with spoiler, oil smoke is drained to the internal face of air channel position residing for cooling device by spoiler, air inlet group includes cleaning air inlet group and oil smoke air inlet group, cleaning air inlet group is oriented surface or oblique upper, oil smoke air inlet group is oriented horizontal direction or obliquely downward or underface, cigarette owner's body is additionally provided with n air intake surface, n air intake surface is spliced to form shell, the infiltration sustained release release device of releasable infiltration sustained release agent is provided with air channel.The present invention improves the service efficiency of smoke exhaust ventilator, is sufficiently used the inner air of kitchen space, solves the problems, such as oil smoke diffusion, at the same time it can also catch fine particle above kitchen.
Description
Technical field
The present invention relates to smoke exhaust ventilator technical field, more particularly to a kind of smoke exhaust ventilator of efficient absorption oil smoke.
Background technology
Existing smoke exhaust ventilator is arranged at the lower section of smoke exhaust ventilator due to air inlet mostly, causes oil smoke absorption not complete enough
Face, the phenomenon Lou inhaled is caused, can not solve the problems, such as that oil smoke suspends and spread, and smoke exhaust ventilator is long-term use of, internal air channel
Adhere to a large amount of greases, easily cause blocking, influence the operating efficiency of smoke exhaust ventilator.
Therefore, in view of the shortcomings of the prior art, providing a kind of smoke exhaust ventilator of efficient absorption oil smoke to solve prior art not
Foot is very necessary.
The content of the invention
A kind of smoke pumping of efficient absorption oil smoke is provided it is an object of the invention to avoid the deficiencies in the prior art part
Machine, the smoke exhaust ventilator of the efficient absorption oil smoke can adsorb the oil smoke to be suspended from different directions, while the present invention is led in oil smoke
After entering cigarette machine body interior, you can cooled down, oil smoke is collected in the form of oil droplet, avoids grease from being difficult to concentrate
Cleaning, ensure unimpeded inside air channel.
The above-mentioned purpose of the present invention is realized by following technological means.
A kind of smoke exhaust ventilator of efficient absorption oil smoke is provided, is provided with cigarette owner's body, cigarette owner body is provided with shell, described outer
The air inlet group of multiple different directions is offered on shell, each air inlet group is each equipped with spoiler, and cigarette machine body interior
It is equipped with the oil smoke cooling device being used cooperatively with spoiler.
Specifically, the cigarette machine body interior is additionally provided with the air channel connected with air inlet group, the cooling device
It is assemblied in the outside wall surface in air channel.
Specifically, oil smoke is drained to the internal face of air channel position residing for cooling device by the spoiler.
Further, the cooling device is cooling piece or the condenser pipe for being wound in air channel outside wall surface.
Further, the air inlet group includes cleaning air inlet group and oil smoke air inlet group, cleans the court of air inlet group
Horizontal direction or obliquely downward or underface are oriented to for surface or oblique upper, oil smoke air inlet group.
Preferably, cleaning, oil smoke air inlet group towards angle be respectively βClean air inlet groupAnd βOil smoke air inlet group,βClean air inlet groupTo be clear
Plane where clean air inlet group and horizontal plane angle, βOil smoke air inlet groupFor plane where oil smoke air inlet group and horizontal plane institute into
Angle, and βClean air inlet groupAnd βOil smoke air inlet groupIn the radiation areas that plane where being respectively at corresponding air inlet group is formed with horizontal plane,
And include the air channel with the connection of corresponding air inlet group, β in radiation areasClean air inlet groupAnd βOil smoke air inlet groupMeet 0 °≤βClean air inlet group＜
90 °, 90 °≤βOil smoke air inlet group180 ° of ＜.
Preferably, the infiltration sustained release release device of releasable infiltration sustained release agent is provided with the air channel.
Further, guide surface of the outer surface of the shell as oil smoke moving direction, and it is non-formation for gathering oil
The cover of cigarette sets region；
The non-cover that an air inlet group is located at shell at least be present and set regional location.
Specifically, the shell is provided with n air inlet group, each air inlet group respectively with cigarette machine body interior wind
The same one end connection in road, each air inlet group is single hole arrangements or loose structure；
The central point of each air inlet group is respectively P0、P1、……、Pi、……、Pn-1；And n >=2,1≤i≤n-1, and i
All it is positive integer with n, and n is more than or equal to 2, with any one center point P in the central point extreme lower position of air inlet group0, it is
Origin establishes three-dimensional system of coordinate；
Passing through P0And with the plane of plane-parallel, with cross P0And orthogonal two straight lines are defined as X-axis and Y
Axle, P will be passed through0And the straight line to be intersected vertically respectively with X-axis and Y-axis is defined as Z axis, P0It is P in the coordinate of three-dimensional system of coordinate0
(X0,Y0,Z0)=P0(0,0,0)；
The central point of N number of air inlet group is P in the coordinate of 3-D walls and floor0(0,0,0)、P1(X1,Y1,Z1)、……、
Pi(Xi,Yi,Zi)、……、Pn-1(Xn-1,Yn-1,Zn-1), P0(0,0,0)≠Pi(Xi,Yi,Zi), and PiTo Pn-1In at least exist one
Individual Z axis coordinate is not 0.
Preferably, the cigarette owner body is additionally provided with n air intake surface, and n air intake surface is spliced to form the shell, Mei Gejin
Wind face has a corresponding air inlet group；
N air intake surface is respectively defined as S0、S1、...、Si、...、Sn-1, the center point P of n air inlet group0、P1、...、
Pi、...、Pn-1, respectively positioned at S0、S1、...、Si、...、Sn-1.；
The air intake surface is respectively at least one of plane or nonplanar structure, and any one air intake surface is adjacent thereto
Other air intake surfaces to be seamless spliced.
The present invention can adsorb the oil smoke to be suspended from different directions, while the present invention is passed through cigarette machine body interior in oil smoke
Afterwards, you can cooled down, oil smoke is collected in the form of oil droplet, avoided grease from being difficult to concentrate cleaning, ensure air channel
It is internal unimpeded.
Brief description of the drawings
Using accompanying drawing, the present invention is further illustrated, but the content in accompanying drawing does not form any limit to the present invention
System.
Fig. 1 is a kind of structural representation of the smoke exhaust ventilator of efficient absorption oil smoke of the present invention.
Fig. 2 be in Fig. 1 air inlet group angle towards schematic diagram.
Fig. 3 is the partial structural diagram of shell in Fig. 1.
In from Fig. 1 to Fig. 3, including：
1st, cigarette owner body；
2nd, shell；
21st, air intake surface；
3rd, air inlet group；
31st, air inlet group is cleaned, 32, oil smoke air inlet group；
4th, air channel；
5th, spoiler；
6th, cooling device；
7th, infiltration sustained release release device.
Embodiment
The invention will be further described with the following Examples.
Upper air inlet and lower air inlet are referred to as upper and lower air intake in the examples below that in the case of no specific differentiation
Mouthful.
Embodiment 1.
As shown in Figure 1-2, a kind of smoke exhaust ventilator of efficient absorption oil smoke, is provided with cigarette owner body 1, and cigarette owner body 1 is provided with
Shell 2, the air inlet group 3 of multiple different directions is offered on shell 2.
The opening of air inlet group 3 can adsorb the soot gas from from all directions, improve smoke exhaust ventilator towards difference
Oil smoke adsorption effect.
Each air inlet group 3 is each equipped with spoiler 5, and the mounted inside of cigarette owner body 1 has and is used cooperatively with spoiler 5
Oil smoke cooling device 6.
The air channel 4 connected with air inlet group 3 is additionally provided with inside cigarette owner body 1, cooling device 6 is assemblied in the outer of air channel 4
Wall.
In this embodiment, spoiler 5 is used cooperatively with cooling device 6, spoiler 5 by adsorb air inlet duct 4 inside oil
Cigarette is cooled with the shortest path contact internal face of air channel 4.
Because oil smoke has just entered, the internal temperature of air channel 4 is higher, and the inner wall temperature of air channel 4 is insufficient to allow oil smoke to be liquefied as rapidly
Oil droplet, therefore the outside wall surface of air channel 4 is cooled down with the use of cooling device 6, after making oil smoke contact air channel 4, oil is liquefied as immediately
Drop, is collected.
Oil smoke is drained to the internal face of the position of air channel 4 residing for cooling device 6 by spoiler 5.
Cooling device 6 can be cooling piece or the condenser pipe for being wound in the outside wall surface of air channel 4 or other can produce cooling effect
The device of fruit.
The inside oil smoke of air channel 4 is further processed the present invention, and the infiltration of releasable infiltration sustained release agent is provided with air channel 4
It is sustained release device 7.
The infiltration sustained release agent of infiltration delayed release device release can decompose the grease that the internal face of air channel 4 is formed, and cause at oil smoke
It is more preferable to manage effect.
Air inlet group 3 includes cleaning air inlet group 31 and oil smoke air inlet group 32, and cleaning air inlet group 31 is oriented just
Top or oblique upper.
Oil smoke air inlet group 32 is oriented horizontal direction or obliquely downward or underface.
Cleaning air inlet group 31 is used to adsorb the fresh air above outside, and oil smoke air inlet is responsible for sucking cooking stove generation
Soot gas.
Cleaning air inlet group 31 connects independently of each other with oil smoke air inlet group 32.
Cleaning, oil smoke air inlet group 32 towards angle be respectively βClean air inlet group 31And βOil smoke air inlet group 32,βClean air inlet group 31For cleaning
The place plane of air inlet group 31 and horizontal plane angle, βOil smoke air inlet group 32For the place plane of oil smoke air inlet group 32 and horizontal plane institute
Into angle, and βClean air inlet group 31And βOil smoke air inlet group 32It is respectively at the radiation area that the corresponding place plane of air inlet group 3 is formed with horizontal plane
Include the air channel 4, β with the connection of corresponding air inlet group 3 in domain, and in radiation areasClean air inlet group 31And βOil smoke air inlet group 320 ° of satisfaction≤
βClean air inlet group 3190 °, 90 °≤β of ＜Oil smoke air inlet group 32180 ° of ＜.
It should be noted that the smoke exhaust ventilator of the efficient absorption oil smoke can adsorb the oil smoke to be suspended from different directions,
The present invention is after oil smoke is passed through the inside of cigarette owner body 1 simultaneously, you can and cooled down, oil smoke is collected in the form of oil droplet,
Avoid grease from being difficult to concentrate cleaning, ensure that the inside of air channel 4 is unimpeded.
Embodiment 2.
A kind of smoke exhaust ventilator of efficient absorption oil smoke, further feature is same as Example 1, and difference is：Such as Fig. 1 institutes
Show, the shell 2 of cigarette owner body 1 is designed to the structure of no cover body formula according to aerodynamic principle by the embodiment.
Guide surface of the outer surface of shell 2 of cigarette owner body 1 as oil smoke moving direction, and it is non-formation for gathering oil smoke
Cover sets region.
All outer surfaces of shell 2 can be used as guide surface, and the shell 2 does not contain plane, tapered plane or on-plane surface etc.
The flatlike structure covered above the kitchen range top of any one.
The non-cover that an air inlet group 3 is located at shell 2 at least be present and set regional location.
According to aerodynamic principle, after oil smoke produces, oil smoke can move along the outer surface of shell 2, and at least one
Non- cover sets the air channel 4 that the air inlet group 3 of regional location setting is sucked inside cigarette owner body 1.
Illustrate herein, the above-mentioned cover referred to sets region, refers to that what cigarette machine shell 2 formed holds together cigarette district domain, the stove below cigarette machine
Smog caused by stove primarily enters cigarette district domain, and set overlying regions by being arranged at cover because the reason for cover sets region
Air inlet sucks air channel 4, is finally discharged from exhaust opening.
Smoke exhaust ventilator in the present invention, the effect of shell 2, which is not configured to be formed, holds together cigarette district domain, but forms oil smoke movement
Adhere to guide surface, oil smoke is not to be brought in the space that shell 2 is formed to be sucked away again, but allows oil smoke along the surface of shell 2
Move from bottom to top, and air channel 4 is sucked by neighbouring air inlet group 3.
Therefore, it is this hair for cover of the prior art sets region that non-cover signified in the present invention, which sets region,
Bright non-cover sets region and refers to the region of shell 2 not for the purpose of holding together poly- oil smoke.
Shell 2 can make oil smoke adhere to the rising of its surface, be adsorbed simultaneously by multiple air inlet groups 3, can be in the table of shell 2
Face forms the effect that volume is inhaled, and oil smoke from all directions is adsorbed.
It should be noted that the smoke exhaust ventilator for the nonplanar structure that the present invention designs is not provided with the structure of similar cover body,
Region is set in the absence of cover, reduces space occupied area, meanwhile, oil smoke can adhere to the outer surface flowing of shell 2, finally by different positions
The air inlet group 3 put is sucked inside cigarette machine and discharged, and strengthens the adsorption effect of oil smoke, improves the utilization rate of the outer surface of shell 2.
Embodiment 3.
A kind of smoke exhaust ventilator of efficient absorption oil smoke, further feature is same as Example 1, and difference is：Such as Fig. 3 institutes
Show, the embodiment is further limited air inlet group 3.
Air inlet group 3 is provided with n, each air inlet group 3 same one end with the inside air inlet duct 4 of cigarette owner body 1 respectively
Connection, each air inlet group 3 is single hole arrangements or loose structure.
Air inlet group 3 of the n air inlet group 3 from the connection of the different ends of air channel 4, for example, assembling class at air inlet group 3
Like netted structure is filtered, the air inlet group 3 of screen pack covering is considered as same air inlet group 3.
The central point of each air inlet group 3 is respectively P0、P1、……、Pi、……、Pn-1；And n >=2,1≤i≤n-1, and i
All it is positive integer with n, and n is more than or equal to 2, with any one center point P in the central point extreme lower position of air inlet group 30For
Origin establishes three-dimensional system of coordinate.
Passing through P0And with the plane of plane-parallel, with cross P0And orthogonal two straight lines are defined as X-axis and Y
Axle, P will be passed through0And the straight line to be intersected vertically respectively with X-axis and Y-axis is defined as Z axis, P0It is P in the coordinate of three-dimensional system of coordinate0
(X0,Y0,Z0)=P0(0,0,0)。
Air inlet group 3 in the embodiment not at grade, therefore, to the defined below of air inlet coordinate：
The central point of N number of air inlet group 3 is P in the coordinate of 3-D walls and floor0(0,0,0)、P1(X1,Y1,Z1)、……、Pi
(Xi,Yi,Zi)、……、Pn-1(Xn-1,Yn-1,Zn-1), P0(0,0,0)≠Pi(Xi,Yi,Zi), and PiTo Pn-1In at least exist one
Z axis coordinate be 0.
It should be noted that the quantity of air inlet group 3 set in the embodiment is more, oil smoke adsorption effect is better, simultaneously
All air inlet groups 3 are not at same plane, and the opening direction of any two air inlet group 3 differs, can be effective
To from all directions oil smoke complete absorption.
Embodiment 4.
A kind of smoke exhaust ventilator of efficient absorption oil smoke, further feature is same as Example 1, and difference is：Such as Fig. 3 institutes
Show, cigarette owner body 1 is additionally provided with n air intake surface 21, and n air intake surface 21 is spliced to form shell 2, and each air intake surface 21 has one
Corresponding air inlet group 3.
After oil smoke is by contacting air intake surface 21, according to the principle of Coanda effect, the surface of shell 2 can be adhered to and floated from the bottom to top
It is dynamic.
N air intake surface 21 is respectively defined as S0、S1、...、Si、...、Sn-1, the center point P of n air inlet group 30、
P1、...、Pi、...、Pn-1, respectively positioned at S0、S1、...、Si、...、Sn-1。
Air intake surface 21 is respectively at least one of plane or nonplanar structure, and any one air intake surface 21 is adjacent thereto
Other air intake surfaces 21 to be seamless spliced.
It should be noted that the shell 2 in the embodiment is spliced to form by multiple air intake surfaces 21, and any one air intake
Face 21 is equipped with an air inlet group 3, and the spliced shell 2 of Mosaic face is spherical, polyhedral structure or Irregular Boundary Surface etc., is spelled
Shell 2 after connecing is provided with producing the requirement of Coanda effect.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should manage
Solution, can modify or equivalent substitution to technical scheme, without departing from technical solution of the present invention essence and
Scope.
Claims (10)
- A kind of 1. smoke exhaust ventilator of efficient absorption oil smoke, it is characterised in that：Cigarette owner's body is provided with, cigarette owner body is provided with shell, The air inlet group of multiple different directions is offered on the shell, each air inlet group is each equipped with spoiler, and cigarette owner Internal portion is equipped with the oil smoke cooling device being used cooperatively with spoiler.
- A kind of 2. smoke exhaust ventilator of efficient absorption oil smoke according to claim 1, it is characterised in that：In the cigarette owner body Portion is additionally provided with the air channel connected with air inlet group, and the cooling device is assemblied in the outside wall surface in air channel.
- A kind of 3. smoke exhaust ventilator of efficient absorption oil smoke according to claim 2, it is characterised in that：The spoiler is by oil Cigarette is drained to the internal face of air channel position residing for cooling device.
- A kind of 4. smoke exhaust ventilator of efficient absorption oil smoke according to claim 3, it is characterised in that：The cooling device is Cooling piece or the condenser pipe for being wound in air channel outside wall surface.
- A kind of 5. smoke exhaust ventilator of efficient absorption oil smoke according to claim 4, it is characterised in that：The air inlet group bag Cleaning air inlet group and oil smoke air inlet group are included, cleaning air inlet group is oriented surface or oblique upper, oil smoke air inlet group Be oriented horizontal direction or obliquely downward or underface.
- A kind of 6. smoke exhaust ventilator of efficient absorption oil smoke according to claim 5, it is characterised in that：Cleaning, oil smoke air intake Mouthful group towards angle be respectively βClean air inlet groupAnd βOil smoke air inlet group,βClean air inlet groupFor plane and horizontal plane institute where cleaning air inlet group Into angle, βOil smoke air inlet groupPlane and horizontal plane angle where oil smoke air inlet group, and βClean air inlet groupAnd βOil smoke air inlet groupLocate respectively In the radiation areas that plane where corresponding air inlet group is formed with horizontal plane, and include and corresponding air inlet group in radiation areas The air channel of connection, βClean air inlet groupAnd βOil smoke air inlet groupMeet 0 °≤βClean air inlet group90 °, 90 °≤β of ＜Oil smoke air inlet group180 ° of ＜.
- A kind of 7. smoke exhaust ventilator of efficient absorption oil smoke according to claim 6, it is characterised in that：It is provided with the air channel The infiltration sustained release release device of releasable infiltration sustained release agent.
- A kind of 8. smoke exhaust ventilator of efficient absorption oil smoke according to claim 1, it is characterised in that：The appearance of the shell Guide surface of the face as oil smoke moving direction, and the non-formation cover for being used to gather oil smoke sets region；The non-cover that an air inlet group is located at shell at least be present and set regional location.
- A kind of 9. smoke exhaust ventilator of efficient absorption oil smoke according to claim 7 or 8, it is characterised in that：The shell is set N air inlet group is equipped with, same one end of each air inlet group respectively with cigarette machine body interior air channel connects, each air inlet group For single hole arrangements or loose structure；The central point of each air inlet group is respectively P0、P1、……、Pi、……、Pn-1；And n >=2,1≤i≤n-1, and i and n are For positive integer, and n is more than or equal to 2, with any one center point P in the central point extreme lower position of air inlet group0, built for origin Vertical three-dimensional system of coordinate；Passing through P0And with the plane of plane-parallel, with cross P0, will and orthogonal two straight lines are defined as X-axis and Y-axis Pass through P0And the straight line to be intersected vertically respectively with X-axis and Y-axis is defined as Z axis, P0It is P in the coordinate of three-dimensional system of coordinate0(X0,Y0, Z0)=P0(0,0,0)；The central point of N number of air inlet group is P in the coordinate of 3-D walls and floor0(0,0,0)、P1(X1,Y1,Z1)、……、Pi (Xi,Yi,Zi)、……、Pn-1(Xn-1,Yn-1,Zn-1), P0(0,0,0)≠Pi(Xi,Yi,Zi), and PiTo Pn-1In at least exist one Z axis coordinate be 0.
- A kind of 10. smoke exhaust ventilator of efficient absorption oil smoke according to claim 9, it is characterised in that：The cigarette owner body N air intake surface is additionally provided with, n air intake surface is spliced to form the shell, and each air intake surface has a corresponding air inlet group；N air intake surface is respectively defined as S0、S1、...、Si、...、Sn-1, the center point P of n air inlet group0、P1、...、 Pi、...、Pn-1, respectively positioned at S0、S1、...、Si、...、Sn-1.；The air intake surface is respectively at least one of plane or nonplanar structure, adjacent thereto its of any one air intake surface Its air intake surface is seamless spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711201990.5A CN107781885B (en) | 2017-11-27 | 2017-11-27 | Smoke ventilator of high-efficient absorption oil smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711201990.5A CN107781885B (en) | 2017-11-27 | 2017-11-27 | Smoke ventilator of high-efficient absorption oil smoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107781885A true CN107781885A (en) | 2018-03-09 |
| CN107781885B CN107781885B (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711201990.5A Active CN107781885B (en) | 2017-11-27 | 2017-11-27 | Smoke ventilator of high-efficient absorption oil smoke |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0375416A (en) * | 1989-08-16 | 1991-03-29 | Matsushita Electric Ind Co Ltd | Flue gas device |
| CN1908527A (en) * | 2005-08-03 | 2007-02-07 | 麦广海 | Cooking fume remover |
| 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 |
| CN106823650A (en) * | 2017-02-13 | 2017-06-13 | 美的集团股份有限公司 | Lampblack purifying system and fume extractor |
| CN107044674A (en) * | 2017-04-05 | 2017-08-15 | 广东美的厨房电器制造有限公司 | Range hood |
-
2017
- 2017-11-27 CN CN201711201990.5A patent/CN107781885B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0375416A (en) * | 1989-08-16 | 1991-03-29 | Matsushita Electric Ind Co Ltd | Flue gas device |
| CN1908527A (en) * | 2005-08-03 | 2007-02-07 | 麦广海 | Cooking fume remover |
| 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 |
| CN106823650A (en) * | 2017-02-13 | 2017-06-13 | 美的集团股份有限公司 | Lampblack purifying system and fume extractor |
| CN107044674A (en) * | 2017-04-05 | 2017-08-15 | 广东美的厨房电器制造有限公司 | Range hood |
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| Publication number | Publication date |
|---|---|
| CN107781885B (en) | 2022-12-30 |
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