CN104595958B - Range hood - Google Patents

Range hood Download PDF

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Publication number
CN104595958B
CN104595958B CN201510047995.1A CN201510047995A CN104595958B CN 104595958 B CN104595958 B CN 104595958B CN 201510047995 A CN201510047995 A CN 201510047995A CN 104595958 B CN104595958 B CN 104595958B
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CN
China
Prior art keywords
convex closure
deflector
range hood
air inlet
plate surface
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.)
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CN201510047995.1A
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Chinese (zh)
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CN104595958A (en
Inventor
杨敬豪
季俊生
蒋济武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201510047995.1A priority Critical patent/CN104595958B/en
Publication of CN104595958A publication Critical patent/CN104595958A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes

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  • 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 kind of range hood, including box assembly, deflector and cold plate, wherein, the one end open of box assembly;The inner plate surface of deflector is fixing with box assembly to be connected, and is sealed by the opening of box assembly, and offers air inlet on deflector;Cold plate is connected with the outer plate surface of deflector, and the surrounding of the surrounding of cold plate and deflector has gap, the inner plate surface of cold plate is provided with convex closure, wind passage was constituted between wall and the outer plate surface of deflector of convex closure, and along gap to the direction of air inlet, the draught area crossing wind passage is gradually reduced.The range hood that the present invention provides, by being provided with convex closure on the inner plate surface of cold plate, the draught area crossing wind passage formed between the wall of convex closure and the outside wall surface of deflector is gradually reduced, so can form negative pressure in crossing wind passage, to improve the speed of fume exhaust, improve the smoke absorption effect of range hood, ensure that the aesthetic property of range hood outward appearance simultaneously.

Description

Range hood
Technical field
The present invention relates to kitchen utensils field, more specifically, relate to a kind of range hood.
Background technology
Existing side extraction cooking fume extractor, generally increases cavity in deflector, is formed and hold together smoke chamber, hold together Having air inlet and drainage screen on smoke chamber, the oil smoke that blower fan absorbs, through drainage screen, sucks from air inlet; For avoiding drainage screen, air inlet visible influences outward appearance, on deflector, generally increase cold plate.For protecting Card smoking effect, is generally positioned over inside smoke chamber by cold plate, by the distribution of air inlet pressure to condensation Plate surrounding, forms air intake passage, the area of above-mentioned air intake passage by cold plate edge with holding together smoke chamber surrounding Bigger than the area of section between air inlet and cold plate, within four weeks, to air inlet, form contracting from cold plate Footpath, reduces the static pressure of air inlet oil smoke, beneficially smoking, but cold plate is placed in smoke chamber, The aesthetic property of side extraction cooking fume extractor outward appearance will be affected;And cold plate is positioned over outside deflector, convex Go out deflector, meet the outward appearance globality of side extraction cooking fume extractor, but now cold plate surrounding air intake Mouth becomes big to the sectional area between air inlet, causes the oil smoke static pressure of air inlet to increase, and dynamic pressure reduces, Affect smoking effect.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art.
To this end, it is an object of the invention to, it is provided that one can either improve smoking effect, keeps simultaneously The range hood of appearance looks elegant.
For achieving the above object, The embodiment provides a kind of range hood, including: casing Assembly, the one end open of described box assembly;Deflector, the inner plate surface of described deflector and described case Body assembly is fixing to be connected, and is sealed by the opening of described box assembly, and offers on described deflector Air inlet;And cold plate, described cold plate is connected with the outer plate surface of described deflector, and described cold Between surrounding and the surrounding of described deflector outer plate surface of solidifying plate inner plate surface, there is gap, described cold plate Inner plate surface be provided with convex closure, constituted between wall and the outer plate surface of described deflector of described convex closure Wind passage, and along described gap to the direction of described air inlet, the described draught area crossing wind passage by The least.
In the above embodiment of the present invention, cold plate is connected with the outer plate surface of deflector, i.e. condenses What plate was positioned at that deflector indent formed holds together outside smoke chamber, and air inlet and air inlet so can be avoided to arrange Screen modules exposes so that the appearance looks elegant of range hood, good integrity;The inner plate surface of cold plate It is provided with convex closure, and between the wall and the outside wall surface of deflector of convex closure, forms wind passage, and edge The flow direction (i.e. along the direction from gap to air inlet) of oil smoke, cross the ventilating surface of wind passage The long-pending certain ratio that presents shrinks so that during oil smoke flows to air inlet from gap, its speed by Cumulative dynamic pressure increases greatly, and static pressure reduces, and so produces negative pressure in crossing wind passage, in order to extraneous Oil smoke entered in wind passage under the pressure effect of air, it is achieved that the fast absorbing oil cigarette of range hood, Improve the smoking effect of range hood.Additionally, in the constant premise of the rotating speed of the blower fan of range hood Under, under the constant premise of pressure that i.e. oil smoke is applied by blower fan, the draught area crossing wind passage presents necessarily Ratio shrinks, and forms venturi and accelerates, makes the flowing velocity of oil smoke increase, and is equally beneficial for improving and inhales The smoke absorption effect of lampblack absorber.
It addition, the range hood that the above embodiment of the present invention provides also has a following additional technical feature:
According to one embodiment of present invention, the shrinkage factor of the described draught area crossing wind passage is 0.03-0.1。
According to one embodiment of present invention, described convex closure includes multiple side, multiple described sides phase Connecting, the described convex closure of composition one end open, the opening of described convex closure is close with the inner plate surface of described cold plate Closing connection, the other end of multiple described sides intersects, and is formed with a crest line in the protruding end of described convex closure, and The described crest line of described convex closure is relative with the position of described air inlet.
According to one embodiment of present invention, the multiple described side of described convex closure is all obliquely installed.
According to one embodiment of present invention, described convex closure symmetrical, and/or, described convex closure upper Lower symmetry.
According to one embodiment of present invention, the described crest line of described convex closure is positioned at the vertical of described range hood On the plane of symmetry.
According to one embodiment of present invention, described deflector is fixed with air inlet ring, described air inlet ring bag Include and surrounded the installing plate that one end of circular passage and described gusset plate is outwards bent to form, described peace by gusset plate Dress plate is fixing with described deflector to be connected, and the hollow cavity of described air inlet ring connects with described air inlet, and institute The described crest line stating convex closure is relative with the position of described air inlet ring.
According to one embodiment of present invention, the described crest line of described convex closure is in the outer plate surface of described installing plate On the diameter of circular passage that surrounds less than or equal to described gusset plate of the length of projection.
According to one embodiment of present invention, the outer plate surface of described installing plate and the described crest line of described convex closure Between distance be not less than 30mm.
According to one embodiment of present invention, described convex closure includes four sides, and wherein side described in two is Tetragon, and one end all inner plate surfaces with described cold plate are connected, the other end intersects, and forms described crest line; Plane described in another two is triangle, three limits respectively with inner plate surface, the side of two tetragons of described cold plate Airtight connection.
Additional aspect and the advantage of the present invention will become obvious in following description part, or pass through the present invention Practice recognize.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment Will be apparent from easy to understand, wherein:
Fig. 1 is the structural representation according to range hood described in one embodiment of the invention;
Fig. 2 is the decomposition texture schematic diagram of range hood shown in Fig. 1;
Fig. 3 is the structural representation at another visual angle of Fig. 2;
Fig. 4 is longitudinal sectional structure schematic diagram of Fig. 1;
Fig. 5 is the horizontal sectional structure schematic diagram of Fig. 1;
Fig. 6 is the structural representation that in Fig. 1, box assembly assembles with deflector;
Fig. 7 is the structural representation that in Fig. 1, cold plate assembles with convex closure;
Fig. 8 is the structural representation of air inlet ring in Fig. 1.
Wherein, in Fig. 4 and Fig. 5, the direction shown in curve arrow is the flow direction of oil smoke.
In Fig. 1 to Fig. 8, the corresponding relation between reference and component names is:
1 box assembly, 2 deflectors, 20 screen modules, 21 air inlet rings, 210 side plates, 211 install Plate, 3 cold plates, 30 convex closures, 31 crest lines, 4 cross wind passage
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with attached The present invention is further described in detail by figure and detailed description of the invention.It should be noted that not In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, The present invention can implement to use other to be different from mode described here, therefore, and the guarantor of the present invention Scope of protecting is not limited by following public specific embodiment.
The range hood provided according to some embodiments of the invention is described with reference to the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, a kind of fume-exhausting provided according to some embodiments of the invention Machine, including box assembly 1, deflector 2 and cold plate 3
Wherein, the one end open of box assembly 1;
The inner plate surface of deflector 2 is fixing with box assembly 1 to be connected, and is sealed by the opening of box assembly 1, And on deflector 2, offering air inlet, air inlet is provided with screen modules 20, air inlet and casing The intracavity inter-connection of assembly 1;
Cold plate 3 is connected with the outer plate surface of deflector 2, and the surrounding of cold plate 3 inner plate surface and deflector Having gap between the surrounding of 2 outer plate surface, the inner plate surface of cold plate 3 is provided with convex closure 30, convex closure 30 Wind passage 4 was constituted between the outer plate surface of wall and deflector 2, and as shown in Figure 4 and Figure 5, along gap To the direction of air inlet, the draught area crossing wind passage 4 presents the contraction of certain ratio.
In the above embodiment of the present invention, cold plate is connected with the outer plate surface of deflector, i.e. cold plate position Hold together outside smoke chamber in what deflector indent was formed, so can avoid the drainage screen group that air inlet and air inlet are arranged Part exposes so that the appearance looks elegant of range hood, good integrity;The inner plate surface of cold plate is provided with convex closure, And formed wind passage between the wall and the outside wall surface of deflector of convex closure, and along the flow direction of oil smoke (i.e. along the direction from gap to air inlet, the flowing that direction is oil smoke described in arrow in Fig. 4 and Fig. 5 Direction), the draught area crossing wind passage is gradually reduced, and presents certain ratio and shrinks so that oil smoke is from gap During flowing to air inlet, its speed is gradually increased, and dynamic pressure increases, and static pressure reduces, and is so crossing wind Negative pressure is produced, in order to extraneous oil smoke entered in wind passage under the pressure effect of air in passage, it is achieved The fast absorbing oil cigarette of range hood, improves the smoking effect of range hood.Additionally, at range hood The rotating speed of blower fan constant on the premise of, under the constant premise of pressure that i.e. oil smoke is applied by blower fan, cross wind The draught area of passage presents the contraction of certain ratio, makes the flowing velocity of oil smoke increase, equally advantageous In the smoke absorption effect improving range hood.
Preferably, the shrinkage factor of the draught area crossing wind passage 4 is 0.03-0.1.(cross the ventilating surface of wind passage Long-pending shrinkage factor is: in the unit length of oil smoke flow direction, crosses the change of the draught area of wind passage Rate).
The shrinkage factor of the draught area crossing wind passage is defined to 0.03-0.1, during i.e. ensure that oil smoke flowing Speed is gradually increased, the quickest smoking, avoids the excessive noise problem caused of oil smoke flowing velocity simultaneously. Certainly, in actual application, can be according to self-demand, sets itself crosses the draught area of wind passage Shrinkage factor.
In some embodiments of the invention, as shown in Fig. 2, Fig. 3 and Fig. 7, convex closure 30 includes many Individual side, multiple sides are connected, the convex closure 30 of composition one end open, the opening of convex closure 30 and condensation The inner plate surface airtight connection of plate 3, the other end of multiple sides intersects, is formed in the protruding end of convex closure 30 One crest line 31, and as shown in Figure 4 and Figure 5, the crest line 31 of convex closure 30 is relative with the position of air inlet.
It should be noted that a crest line 31 not necessarily line described herein, it is also possible to it is to have one The fillet of fixed width degree, due to the width of fillet for its length too small, its width the most negligible, It is seen to be crest line.
In a concrete example, as shown in Fig. 2, Fig. 3 and Fig. 7, convex closure 30 includes four sides, its Middle two sides are tetragon, and one end all inner plate surfaces with cold plate 3 are connected, and the other end intersects, and is formed Crest line 31;Another two planes are triangle, three limits respectively with the inner plate surface of cold plate 3, two tetragons Side airtight connection.
Under the effect of the blower fan in box assembly, oil smoke enters from the gap of cold plate with deflector edge, Side then along convex closure ramps up flowing, when flowing to the crest line of convex closure, enters from surrounding gap Oil smoke all increase to maximum in the speed crossed in wind passage, owing to the crest line of convex closure is relative with air inlet, flow Oil smoke to crest line transfers to enter air inlet, and then discharges from the exhaust opening of box assembly.Convex closure is that one end is opened The convex closure of mouth, i.e. convex closure is hollow-core construction, advantageously reduces the weight of convex closure and the load-bearing of cold plate.
Further, as shown in Fig. 2, Fig. 3 and Fig. 7, multiple sides of convex closure 30 are all obliquely installed.
The side of convex closure is obliquely installed, in order to ensure the flow direction along oil smoke, the side of convex closure and water conservancy diversion Distance between the outer plate surface of plate is gradually reduced, and then ensures that the draught area of wind passage was gradually reduced, with Just oil smoke is when crossing flowing in wind passage, and speed can be gradually increased, it is achieved fast absorbing oil cigarette.
In some currently preferred embodiments of the present invention, as it is shown in figure 5, convex closure 30 is symmetrical, and/ Or, convex closure 30 symmetrical above and below.
Specifically, described range hood is bilateral symmetry, as shown in Figure 3 and Figure 4, and convex closure 30 Crest line 31 is parallel with longitudinally asymmetric of range hood, and further, the crest line 31 of convex closure 30 is positioned at suction On longitudinally asymmetric of lampblack absorber.
Convex closure is symmetrical structure, and the crest line of convex closure is positioned on longitudinally asymmetric of cigarette machine, in order to from The flowing velocity of the oil smoke that the gap of the left and right sides entered wind passage is equal, speed phase when entering air inlet With, advantageously ensure that the concordance of range hood both sides smoking effect.
In a concrete example of the present invention, as shown in Figure 6, deflector 2 is fixed with air inlet ring 21, As shown in Figure 8, air inlet ring 21 includes that the one end being surrounded circular passage and gusset plate by gusset plate outwards bends The installing plate 211 formed, as shown in Figure 5 and Figure 6, installing plate 211 is fixing with deflector 2 to be connected, and enters The hollow cavity of solar or lunar halo 21 connects with air inlet, and the position phase of the crest line 31 of convex closure 30 and air inlet ring 21 Right.
Preferably, the length of the crest line 31 of convex closure 30 projection in the outer plate surface of installing plate 211 is less than Diameter in the circular passage that gusset plate surrounds.
The crest line of convex closure is relative with the position of air inlet ring, and the throwing that the crest line of convex closure is in the outer plate surface of installing plate The diameter of the circular passage that the length of shadow surrounds less than or equal to gusset plate, i.e. the crest line of convex closure is outside installing plate Projection on plate face is positioned at the circular passage that gusset plate surrounds, in order to the oil smoke entered from upper and lower gap along After the side flow of triangle, it is possible to pass through screen modules, air inlet, enter casing from air-ducting ring In assembly.
In the preferred embodiment of the present invention, as it is shown in figure 5, the outer plate surface of installing plate 211 and convex closure Distance L between the crest line 31 of 30 is not less than 30mm, in order to along the oil smoke of convex closure side flow at blower fan Effect lower enough distances can be had to turn to, enter in air inlet, this distance L with wind passage The shrinkage factor of draught area match, it is ensured that oil smoke can rapidly enter range hood, simultaneously can be smooth Turn to, entered in air inlet by crossing wind passage.
Certainly, the value of distance L is not limited to above-mentioned be not less than 30mm, during production application, and can According to the actual requirements, sets itself.
In sum, the range hood that the present invention provides, by being provided with convex closure on the inner plate surface of cold plate, The draught area crossing wind passage formed between the wall of convex closure and the outside wall surface of deflector is gradually reduced, So can form negative pressure in crossing wind passage, to improve the speed of fume exhaust, improve fume-exhausting The smoke absorption effect of machine, ensure that the aesthetic property of range hood outward appearance simultaneously;By limiting wind passage The shrinkage factor of draught area and the shape of convex closure, size and with the distance between air inlet, relative position Relation so that on the premise of the fume-exhausting speed of range hood promotes, the noise of generation is little.
In describing the invention, term " multiple " refers to two or more;Term " connects ", " Gu Fixed " etc. all should be interpreted broadly, such as, " connection " can be fixing connection, it is also possible to is detachably to connect Connect, or be integrally connected;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For this For the those of ordinary skill in field, above-mentioned term in the present invention concrete can be understood as the case may be Implication.
In describing the invention, it is to be understood that term "left", "right", " on ", D score etc. refers to The orientation shown is based on orientation shown in the drawings, is for only for ease of the description present invention and simplifies description, and not It is instruction or the hint device of indication or element must have a specific orientation, therefore it is not intended that to this Bright restriction.
In the description of this specification, term " embodiment ", " some embodiments ", " specific embodiment " Deng description means to combine this embodiment or example describes specific features, structure, material or feature be contained in In at least one embodiment of the present invention or example.In this manual, the schematic representation to above-mentioned term It is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy Point can combine in any one or more embodiments or example in an appropriate manner.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability For the technical staff in territory, the present invention can have various modifications and variations.All in the spirit and principles in the present invention Within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention it In.

Claims (9)

1. a range hood, it is characterised in that including:
Box assembly, the one end open of described box assembly;
Deflector, the inner plate surface of described deflector is fixing with described box assembly to be connected, and by described casing The opening of assembly seals, and offers air inlet on described deflector;With
Cold plate, described cold plate is connected with the outer plate surface of described deflector, and described cold plate inner panel There is gap, on the inner plate surface of described cold plate between surrounding and the surrounding of described deflector outer plate surface in face It is provided with convex closure, between wall and the outer plate surface of described deflector of described convex closure, constitutes wind passage, and edge The direction of described gap extremely described air inlet, the described draught area crossing wind passage is gradually reduced.
Described convex closure includes multiple side, and multiple described sides are connected, and forms the described of one end open The inner plate surface airtight connection of convex closure, the opening of described convex closure and described cold plate, multiple described sides The other end intersects, and is formed with a crest line in the protruding end of described convex closure, and the described crest line of described convex closure with The position of described air inlet is relative.
Range hood the most according to claim 1, it is characterised in that
The shrinkage factor of the described draught area crossing wind passage is 0.03-0.1.
Range hood the most according to claim 1, it is characterised in that
The multiple described side of described convex closure is all obliquely installed.
Range hood the most according to claim 1, it is characterised in that
Described convex closure symmetrical, and/or, described convex closure symmetrical above and below.
Range hood the most according to claim 4, it is characterised in that
The described crest line of described convex closure is positioned on longitudinally asymmetric of described range hood.
Range hood the most according to claim 1, it is characterised in that
Be fixed with air inlet ring on described deflector, described air inlet ring include by gusset plate surround circular passage and The installing plate that one end of described gusset plate is outwards bent to form, described installing plate is fixing with described deflector even Connecing, the hollow cavity of described air inlet ring connects with described air inlet, and the described crest line of described convex closure and institute The position stating air inlet ring is relative.
Range hood the most according to claim 6, it is characterised in that
The length of the described crest line of described convex closure projection in the outer plate surface of described installing plate is less than or equal to institute State the diameter of the circular passage that gusset plate surrounds.
Range hood the most according to claim 7, it is characterised in that
Distance between the outer plate surface of described installing plate and the described crest line of described convex closure is not less than 30mm.
Range hood the most according to any one of claim 1 to 8, it is characterised in that
Described convex closure includes four sides, and wherein side described in two is tetragon, and one end is all cold with described The inner plate surface of solidifying plate is connected, and the other end intersects, and forms described crest line;Plane described in another two is triangle Shape, and three limits respectively with inner plate surface, the side airtight connection of two tetragons of described cold plate.
CN201510047995.1A 2015-01-29 2015-01-29 Range hood Active CN104595958B (en)

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Application Number Priority Date Filing Date Title
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CN104595958B true CN104595958B (en) 2016-09-28

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791870B (en) * 2015-04-03 2017-06-06 九阳股份有限公司 A kind of efficiently Jing Yin lampblack absorber
CN105202604B (en) * 2015-10-15 2017-08-29 宁波方太厨具有限公司 A kind of range hood of band Dang Yan mechanisms
CN105588159B (en) * 2016-03-08 2019-01-22 广东美的厨房电器制造有限公司 Rectification part for range hood and the range hood with it
DE102016117535A1 (en) * 2016-09-16 2018-03-22 Berling Aero IP UG (haftungsbeschränkt) Vapor extraction device with distributor plate in front of the suction opening
CN107355834A (en) * 2017-08-09 2017-11-17 广东美的厨房电器制造有限公司 Range hood
CN108361791B (en) * 2018-03-30 2024-06-14 广东美的厨房电器制造有限公司 Fume exhaust fan and air inlet net thereof
CN109780607B (en) * 2019-01-25 2020-11-06 佛山市顺德区美的洗涤电器制造有限公司 Air inlet net assembly and range hood

Citations (6)

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Publication number Priority date Publication date Assignee Title
CH683597A5 (en) * 1991-12-18 1994-04-15 Giovanna Sa H Cleaning device for grille-filter of cooker hood - has upper jet located in hood above filter to remove liquid spray from upper surface, and moved along carriage, reciprocally driven in hood by external electric motor
EP1624254A1 (en) * 2004-08-04 2006-02-08 V-Zug AG Exhausting hood to be arranged above a cooking area
CN201401850Y (en) * 2009-03-18 2010-02-10 宁波方太厨具有限公司 Range hood with smoke guide plate
CN203454243U (en) * 2013-08-26 2014-02-26 广东美的厨房电器制造有限公司 Air inlet ring and range hood with same
CN103697513A (en) * 2013-11-30 2014-04-02 宁波方太厨具有限公司 Range hood with flow guide plate
CN104165399A (en) * 2014-07-25 2014-11-26 宁波方太厨具有限公司 Rectification acceleration disc structure of range hood

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH683597A5 (en) * 1991-12-18 1994-04-15 Giovanna Sa H Cleaning device for grille-filter of cooker hood - has upper jet located in hood above filter to remove liquid spray from upper surface, and moved along carriage, reciprocally driven in hood by external electric motor
EP1624254A1 (en) * 2004-08-04 2006-02-08 V-Zug AG Exhausting hood to be arranged above a cooking area
CN201401850Y (en) * 2009-03-18 2010-02-10 宁波方太厨具有限公司 Range hood with smoke guide plate
CN203454243U (en) * 2013-08-26 2014-02-26 广东美的厨房电器制造有限公司 Air inlet ring and range hood with same
CN103697513A (en) * 2013-11-30 2014-04-02 宁波方太厨具有限公司 Range hood with flow guide plate
CN104165399A (en) * 2014-07-25 2014-11-26 宁波方太厨具有限公司 Rectification acceleration disc structure of range hood

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