CN107975838A - A kind of range hood with movable smoke deflector - Google Patents
A kind of range hood with movable smoke deflector Download PDFInfo
- Publication number
- CN107975838A CN107975838A CN201710382995.6A CN201710382995A CN107975838A CN 107975838 A CN107975838 A CN 107975838A CN 201710382995 A CN201710382995 A CN 201710382995A CN 107975838 A CN107975838 A CN 107975838A
- Authority
- CN
- China
- Prior art keywords
- smoke deflector
- driving mechanism
- hood
- elevating lever
- connecting plate
- 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
- 239000000779 smoke Substances 0.000 title claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 230000003028 elevating effect Effects 0.000 claims abstract description 38
- 239000003517 fume Substances 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 23
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- 230000008450 motivation Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007634 remodeling Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
A kind of range hood with movable smoke deflector, including blower hood, exhaust fume collecting hood, smoke deflector and the driving mechanism for driving smoke deflector activity, driving mechanism includes the first driving mechanism and the second driving mechanism, first driving mechanism is used for driving smoke deflector to make elevating movement, the second driving mechanism be used for driving smoke deflector it is front and rear to rotating to adjust the angle of inclination of smoke deflector in the longitudinal direction.Smoke deflector tilts obliquely from front to back, and the position of flange forms oil trap, oil trap or so to setting on rear side of the upper surface of smoke deflector and neighbouring smoke deflector, and the stream hydraulic fluid port being connected with oil trap is provided with rear side flange.The advantage of the invention is that：The range hood can drive smoke deflector to make elevating movement by the first driving mechanism, the angle of inclination of smoke deflector is adjusted by the second driving mechanism, structure is novel, and, when smoke deflector angle of inclination is maximum, the oil flowed into the oil trap of smoke deflector rear lateral portion can pass through stream hydraulic fluid port and be expelled to outside smoke deflector, and oil extraction is very convenient.
Description
Technical field
The present invention relates to a kind of range hood, more particularly, to a kind of range hood with movable smoke deflector.
Background technology
At present, in order to improve the smoke absorption effect of range hood, people have invented the various oil suctions with movable smoke deflector
Smoke machine, when range hood works, drives smoke deflector to carry out elevating movement, and then adjust the inlet air of range hood by driving mechanism
Amount.As Patent No. 201620042811.2 (Authorization Notice No. is 205372692 U of CN) Chinese utility model patent public affairs
Open《European type cooker hood with automatic smoke deflector》, which includes smoke deflector and fixed plate, and fixed plate side is equipped with
Fixed guide rail, fixed guide rail is interior to be equipped with motion guide rail with matching, and drive link, the drive link and fortune are equipped with by fixed guide rail
Dynamic guide rail offsets, and fixed plate opposite side is equipped with motor, and motor is connected with drive link, and motion guide rail lower end is equipped with fixing bracket, Gu
Fixed rack offsets with smoke deflector, and drive link is equipped with connecting rod, and connecting rod is placed on motion guide rail, and drive link and company are driven by motor
Bar, so that motion guide rail moves up and down on fixed guide rail, to control smoke deflector to move up and down.Although the fume-exhausting
Machine can only drive smoke deflector to make oscilaltion campaign, and the angle of inclination of smoke deflector cannot be adjusted in lifting process.In addition, by
It is typically small in the angle of inclination of existing smoke deflector, and the angle of inclination of smoke deflector cannot be adjusted, and then cause accumulation leading
Oil on cigarette plate is not easy smoothly to discharge.In conclusion need to make the existing extractor hood structure with movable smoke deflector
Further improve.
The content of the invention
First technical problem to be solved by this invention is to be directed to above-mentioned state of the art, there is provided a kind of smoke deflector energy
Make elevating movement and tilt forward and back the range hood with movable smoke deflector that angle can be adjusted.
Second technical problem to be solved by this invention is to be directed to above-mentioned state of the art, there is provided one kind can make to lead cigarette
The range hood with movable smoke deflector that long-pending oil on plate smoothly flows out.
Technical solution is used by the present invention solves above-mentioned first technical problem：This carries the oil suction of movable smoke deflector
Smoke machine, including blower hood, exhaust fume collecting hood, smoke deflector and the driving mechanism of the driving smoke deflector activity, it is characterised in that：Institute
Stating driving mechanism includes the first driving mechanism and the second driving mechanism, and first driving mechanism is used for driving smoke deflector to lift
Movement, second driving mechanism are used for driving smoke deflector front and rear to rotating to adjust the inclination angle of smoke deflector in the longitudinal direction
Degree.
Technical solution is used by the present invention solves above-mentioned second technical problem：This carries the oil suction of movable smoke deflector
The smoke deflector of smoke machine tilts obliquely from front to back, the position of flange on rear side of the upper surface of the smoke deflector and neighbouring smoke deflector
Oil trap, the oil trap or so is formed to setting, is provided with the stream hydraulic fluid port being connected with oil trap on side flanging in the rear.
In order to smoothly discharge the oil in oil trap, it is provided with the rear side flange of the smoke deflector for beating on and off
Close the shifting block of the stream hydraulic fluid port.In this way, under normal operating condition, hydraulic fluid port will be flowed by shifting block and closed, it is necessary to during oil extraction, cigarette will be led
Plate angle of inclination is adjusted to maximum, by shifting block open stream hydraulic fluid port can oil extraction, operation is very easy.
Preferably, the range of tilt angles of the smoke deflector in the longitudinal direction is 10 °~35 °.
Further preferably, angle of inclination of the smoke deflector under collapsed state is minimum and can integrally be hidden in the collection cigarette
The inside of cover.
As the preferred of any of the above-described scheme, first driving mechanism and the second driving mechanism are installed in the wind
On machine outer cover, the drive output of the first driving mechanism is passed down through exhaust fume collecting hood and is connected to the front side portion of smoke deflector, and described
The drive output of two driving mechanisms is passed down through exhaust fume collecting hood and is connected to the rear lateral portion of smoke deflector.
First driving mechanism can have various structures, it is preferable that first driving mechanism includes the first motor, first
Transmission mechanism, the first connecting plate and the first elevating lever, first motor and the first transmission mechanism are installed on the blower hood
Front, first transmission mechanism drives by first motor, and first connecting plate is U-shaped connecting plate, the U-shaped connection
Plate is arranged on the outside of blower hood, and the front side portion of U-shaped connecting plate is arranged on blower hood front and is connected to the first transmission mechanism
On output terminal, the left and right side of U-shaped connecting plate is respectively arranged on the arranged on left and right sides of blower hood, and first elevating lever has two
And the arranged on left and right sides of blower hood is respectively arranged on, the first elevating lever vertically passes through exhaust fume collecting hood, and the upper end connection of the first elevating lever
In the respective sides of U-shaped connecting plate, the lower end of the first elevating lever is rotationally connected with the front side portion of the smoke deflector.
Second driving mechanism can have various structures, it is preferable that second driving mechanism includes the second motor, second
Transmission mechanism, the second connecting plate, the second elevating lever and connecting rod, second motor and the second transmission mechanism are installed in wind turbine
The left side or right side of outer cover, second connecting plate are installed on the output terminal of the second transmission mechanism, second elevating lever
Positioned at the first elevating lever rear side and vertically pass through exhaust fume collecting hood, the upper end of the second elevating lever is connected on the second connecting plate, second
The upper end of the lower end of elevating lever and the connecting rod, which is formed, to be rotatablely connected, and the lower end of the connecting rod, which is rotationally connected with, described leads cigarette
In the rear lateral portion of plate.
Compared with prior art, the advantage of the invention is that：The range hood can be driven by the first driving mechanism and lead cigarette
Plate makees elevating movement, and the angle of inclination of smoke deflector in the longitudinal direction can be adjusted by the second driving mechanism, and structure is more novel,
Also, by setting stream hydraulic fluid port on the rear side flange of smoke deflector, when smoke deflector angle of inclination is maximum, flow on rear side of smoke deflector
Oil in the oil trap in portion can pass through stream hydraulic fluid port and be expelled to outside smoke deflector, and oil extraction is very convenient.
Brief description of the drawings
Fig. 1 is structure diagram of the embodiment of the present invention when smoke deflector is in collapsed state；
Fig. 2 is the structure diagram of the embodiment of the present invention in a state of use；
Fig. 3 is the structure diagram when smoke deflector angle of inclination becomes larger on the basis of Fig. 2；
Fig. 4 is the structure diagram in the embodiment of the present invention under oil extraction pattern；
Fig. 5 is the structure diagram of the smoke deflector of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figures 1 to 4, the range hood in the present embodiment includes blower hood 1, exhaust fume collecting hood 2, smoke deflector 3, first
4 and second driving mechanism 5 of driving mechanism.
Wherein, the first driving mechanism 4 and the second driving mechanism 5 are installed on blower hood 1,4 He of the first driving mechanism
Second driving mechanism 5 works independently.The drive output of first driving mechanism 4 is passed down through exhaust fume collecting hood 2 and is connected to smoke deflector 3
Front side portion, the first driving mechanism 4 be used for drive smoke deflector 3 to make elevating movement.The drive output of second driving mechanism 5 is downward
Through exhaust fume collecting hood 2 and be connected to the rear lateral portion of smoke deflector 3, the second driving mechanism 5 be used for driving smoke deflector 3 it is front and rear to rotating to adjust
Save smoke deflector angle of inclination in the longitudinal direction, in the present embodiment, smoke deflector 3 tilts obliquely from front to back, and smoke deflector 3
Angle of inclination adjustable range be at 10 °~35 °.
As shown in figure 5, form oil trap in the position of the upper surface of smoke deflector 3 and 3 rear side flange 31 of neighbouring smoke deflector
32, oil trap 32 or so is provided with the stream hydraulic fluid port 33 being connected with oil trap 32, also, leading to setting on rear side flange 31
Shifting block 34 for opening and closing stream hydraulic fluid port 33 is installed on the rear side flange 31 of cigarette plate 3.
In the present embodiment, the first driving mechanism 4 includes the first motor 41, the first transmission mechanism 42,43 and of the first connecting plate
First elevating lever 44.Wherein, the first motor 41 and the first transmission mechanism 42 are installed on the front of blower hood 1, the first driver
Structure 42 is driven by the first motor 41, and first transmission mechanism 42 of the present embodiment is using screw nut driving mechanism, the first motor 41
Screw is driven to rotate.First connecting plate 43 is U-shaped connecting plate, and U-shaped connecting plate is arranged on the outside of blower hood 1, U-shaped connecting plate
Front side portion is arranged on the front of blower hood 1 and is connected to the output terminal of the first transmission mechanism 42 i.e. on nut.A left side for U-shaped connecting plate,
Right side is respectively arranged on the arranged on left and right sides of blower hood 1, the first elevating lever 44 have two and be respectively arranged on blower hood 1 a left side,
Right both sides, the first elevating lever 44 vertically passes through exhaust fume collecting hood 2, and the upper end of the first elevating lever 44 is connected to the correspondence of U-shaped connecting plate
Sidepiece, the lower end of the first elevating lever 44 are rotationally connected with the front side portion of smoke deflector 3.
Second driving mechanism 5 includes the second motor 51, the second transmission mechanism 52, the second connecting plate 53, the second elevating lever 54
With connecting rod 55.In the present embodiment, the second motor 51 and the second transmission mechanism 52 are installed in the right side of blower hood 1, and second
53 and second elevating lever 54 of connecting plate also is located at the right side of blower hood 1.Second transmission mechanism 52 can also use feed screw nut
Transmission mechanism, the second connecting plate 53 are installed on the output terminal of the second transmission mechanism 52, and the second elevating lever 54 is positioned at the first lifting
The rear side of bar 44 simultaneously vertically passes through exhaust fume collecting hood 2, and the upper end of the second elevating lever 54 is connected on the second connecting plate 53, the second elevating lever
54 lower end forms with the upper end of connecting rod 55 and is rotatablely connected, and the lower end of connecting rod 55 is rotationally connected with the rear lateral portion of smoke deflector 3
On.
By above-mentioned first driving mechanism 4, the second driving mechanism 5 and the mounting structure of smoke deflector 3, when the second driving
When mechanism 5 drives the smoke deflector 3 to rotate, smoke deflector 3 can opposite hinge joint between smoke deflector and the first elevating lever carry out it is front and rear to
Rotate, and then change the angle of inclination of smoke deflector 3.
The driving process of the smoke deflector of the range hood is as follows：As shown in Figure 1, when range hood does not work, at smoke deflector 3
In collapsed state, at this time, the angle of inclination of smoke deflector 3 is minimum, and connecting rod 55 is in vertical state；Range hood is started to work
When, the first driving mechanism 4 driving smoke deflector 3 moves down, and smoke deflector 3 is in the position shown in Fig. 2, at this time, connecting rod
55 still in vertical position；When needing oil extraction, as shown in figure 3, the second driving mechanism 5 driving smoke deflector 3 rotates down, connecting rod
55 start to rotate, when smoke deflector 3 turns to the position of angle of inclination maximum, i.e., as shown in figure 4, the angle of inclination of smoke deflector 3
Maximum, the angle of inclination of connecting rod 55 is also maximum, and the long-pending oil on smoke deflector 3 can be flowed into smoothly in oil trap 32 downwards, and user is only
Need to open shifting block 34, it is possible to smoothly discharge the oil in oil trap 32 by flowing hydraulic fluid port 33.
The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of the principle of the present invention is not departed from, a variety of remodeling or improvement can be carried out to the present invention, such as, the second driving mechanism
There can be two pairs, and be respectively arranged on the left and right sides of blower hood, correspondingly, the second elevating lever there can also be two, these are equal
It is considered as within protection scope of the present invention.
Claims (8)
1. a kind of range hood with movable smoke deflector, including blower hood (1), exhaust fume collecting hood (2), smoke deflector (3) and drive
Move the driving mechanism of the smoke deflector activity, it is characterised in that：The driving mechanism includes the first driving mechanism (4) and second and drives
Motivation structure (5), first driving mechanism (4) are used for driving smoke deflector (3) to make elevating movement, second driving mechanism (5)
For driving smoke deflector (3) front and rear to rotating to adjust the angle of inclination of smoke deflector in the longitudinal direction.
2. the range hood according to claim 1 with movable smoke deflector, it is characterised in that：The smoke deflector (3) is certainly
Forward direction, which retreads, to be tilted down, and the position of flange (31) forms on rear side of the upper surface of the smoke deflector (3) and neighbouring smoke deflector
Oil trap (32), oil trap (32) left and right are provided with side flanging (31) are connected with oil trap (32) in the rear to setting
Logical stream hydraulic fluid port (33).
3. the range hood according to claim 2 with movable smoke deflector, it is characterised in that：In the smoke deflector (3)
Rear side flange (31) on be provided with for open and close it is described stream hydraulic fluid port (33) shifting block (34).
4. the range hood according to claim 2 with movable smoke deflector, it is characterised in that：The smoke deflector (3) exists
Range of tilt angles on anteroposterior direction is 10 °~35 °.
5. the range hood according to claim 4 with movable smoke deflector, it is characterised in that：The smoke deflector (3) exists
Angle of inclination under collapsed state is minimum and can integrally be hidden in the inside of the exhaust fume collecting hood (2).
6. the range hood with movable smoke deflector according to any claim in claim 1 to 5, its feature exist
In：First driving mechanism (4) and the second driving mechanism (5) are installed on the blower hood (1), the first driving machine
The drive output of structure (4) is passed down through exhaust fume collecting hood (2) and is connected to the front side portion of smoke deflector (3), second driving mechanism
(5) drive output is passed down through exhaust fume collecting hood (2) and is connected to the rear lateral portion of smoke deflector (3).
7. the range hood according to claim 6 with movable smoke deflector, it is characterised in that：First driving machine
Structure (4) includes the first motor (41), the first transmission mechanism (42), the first connecting plate (43) and the first elevating lever (44), and described
One motor (41) and the first transmission mechanism (42) are installed on the front of the blower hood (1), first transmission mechanism (42)
Driven by first motor (41), first connecting plate (43) is U-shaped connecting plate, which is arranged on blower hood
(1) outside, the front side portion of U-shaped connecting plate are arranged on blower hood (1) front and are connected to the output of the first transmission mechanism (42)
On end, the left and right side of U-shaped connecting plate is respectively arranged on the arranged on left and right sides of blower hood (1), and first elevating lever (44) has
Two and the arranged on left and right sides of blower hood (1) is respectively arranged on, the first elevating lever (44) vertically passes through exhaust fume collecting hood (2), and first liter
The upper end of drop bar (44) is connected to the respective sides of U-shaped connecting plate, and the lower end of the first elevating lever (44) is rotationally connected with described lead
On the front side portion of cigarette plate (3).
8. the range hood according to claim 7 with movable smoke deflector, it is characterised in that：Second driving machine
Structure (5) includes the second motor (51), the second transmission mechanism (52), the second connecting plate (53), the second elevating lever (54) and connecting rod
(55), second motor (51) and the second transmission mechanism (52) are installed in the left side or right side of blower hood (1), described
Second connecting plate (53) is installed on the output terminal of the second transmission mechanism, and second elevating lever (54) is located at the first elevating lever
(44) rear side simultaneously vertically passes through exhaust fume collecting hood (2), and the upper end of the second elevating lever (54) is connected on the second connecting plate (53), and second
The lower end of elevating lever (54) forms with the upper end of the connecting rod (55) and is rotatablely connected, and the lower end of the connecting rod (55), which rotates, to be connected
It is connected in the rear lateral portion of the smoke deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382995.6A CN107975838B (en) | 2017-05-26 | 2017-05-26 | Range hood with movable smoke guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382995.6A CN107975838B (en) | 2017-05-26 | 2017-05-26 | Range hood with movable smoke guide plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975838A true CN107975838A (en) | 2018-05-01 |
| CN107975838B CN107975838B (en) | 2024-02-20 |
Family
ID=62012216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382995.6A Active CN107975838B (en) | 2017-05-26 | 2017-05-26 | Range hood with movable smoke guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975838B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131772A (en) * | 2019-06-25 | 2019-08-16 | 杭州老板电器股份有限公司 | Kitchen ventilator |
| CN110160099A (en) * | 2019-05-22 | 2019-08-23 | 海信(广东)厨卫***有限公司 | A kind of range hood and integration kitchen range |
| CN110657470A (en) * | 2018-06-29 | 2020-01-07 | 博西华电器（江苏）有限公司 | Smoke ventilator, be used for smoke guide plate of smoke ventilator |
| CN111006284A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111102621A (en) * | 2020-01-02 | 2020-05-05 | 宁波方太厨具有限公司 | Range hood with movable smoke guide plate and control method thereof |
| CN111156562A (en) * | 2020-02-27 | 2020-05-15 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112178722A (en) * | 2020-09-30 | 2021-01-05 | 宁波方太厨具有限公司 | Movement mechanism and range hood applying same |
| WO2023156197A1 (en) * | 2022-02-17 | 2023-08-24 | BSH Hausgeräte GmbH | Extractor hood |
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| EP2546578A1 (en) * | 2011-07-13 | 2013-01-16 | BSH Bosch und Siemens Hausgeräte GmbH | Range hood |
| CN204176710U (en) * | 2014-08-22 | 2015-02-25 | 广东海信家电有限公司 | A kind of top-sucking kitchen ventilator with smoke deflector |
| CN106439963A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Range hood provided with cooking fume guide plate |
| CN206846855U (en) * | 2017-05-26 | 2018-01-05 | 宁波方太厨具有限公司 | A kind of range hood with movable smoke deflector |
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2017
- 2017-05-26 CN CN201710382995.6A patent/CN107975838B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2546578A1 (en) * | 2011-07-13 | 2013-01-16 | BSH Bosch und Siemens Hausgeräte GmbH | Range hood |
| CN204176710U (en) * | 2014-08-22 | 2015-02-25 | 广东海信家电有限公司 | A kind of top-sucking kitchen ventilator with smoke deflector |
| CN106439963A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Range hood provided with cooking fume guide plate |
| CN206846855U (en) * | 2017-05-26 | 2018-01-05 | 宁波方太厨具有限公司 | A kind of range hood with movable smoke deflector |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657470A (en) * | 2018-06-29 | 2020-01-07 | 博西华电器（江苏）有限公司 | Smoke ventilator, be used for smoke guide plate of smoke ventilator |
| CN110657470B (en) * | 2018-06-29 | 2022-12-27 | 博西华电器（江苏）有限公司 | Smoke ventilator, be used for smoke guide plate of smoke ventilator |
| CN110160099A (en) * | 2019-05-22 | 2019-08-23 | 海信(广东)厨卫***有限公司 | A kind of range hood and integration kitchen range |
| CN110131772A (en) * | 2019-06-25 | 2019-08-16 | 杭州老板电器股份有限公司 | Kitchen ventilator |
| CN110131772B (en) * | 2019-06-25 | 2024-05-24 | 杭州老板电器股份有限公司 | Fume exhaust fan |
| CN111102621A (en) * | 2020-01-02 | 2020-05-05 | 宁波方太厨具有限公司 | Range hood with movable smoke guide plate and control method thereof |
| CN111102621B (en) * | 2020-01-02 | 2021-08-20 | 宁波方太厨具有限公司 | Range hood with movable smoke guide plate and control method thereof |
| CN111006284A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111156562A (en) * | 2020-02-27 | 2020-05-15 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112178722A (en) * | 2020-09-30 | 2021-01-05 | 宁波方太厨具有限公司 | Movement mechanism and range hood applying same |
| WO2023156197A1 (en) * | 2022-02-17 | 2023-08-24 | BSH Hausgeräte GmbH | Extractor hood |
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|---|---|
| CN107975838B (en) | 2024-02-20 |
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