CN101439249B - Filter device - Google Patents
Filter device Download PDFInfo
- Publication number
- CN101439249B CN101439249B CN200810173380.3A CN200810173380A CN101439249B CN 101439249 B CN101439249 B CN 101439249B CN 200810173380 A CN200810173380 A CN 200810173380A CN 101439249 B CN101439249 B CN 101439249B
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- China
- Prior art keywords
- filter element
- filter
- installation
- discharging area
- collection container
- Prior art date
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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
- F24C15/2035—Arrangement or mounting of filters
Abstract
The invention relates to a filtration unit for kitchen extraction hood, comprising a first filter element (11) and a collecting container (14) provided under the first filter element (11); wherein the filter face (112) of the first filter element (11) is a housing shrinking downwards; lower edge (111) of the first filter element (11) is a drain region; and the filter face (112) is a first intake region. The filtration unit is characterized that the filtration unit (1) includes a second intake region (131) separated from the first intake region by the drain region (111).
Description
Technical field
The present invention relates to a kind of filter for installation for Wo 2008055837.
Background technology
At Wo 2008055837 middle filtrator device especially for isolate dirt from the smog sucking by Wo 2008055837, particularly fat particles.What conventionally on the kitchen range top, use is that some and horizontal line tilt to extend, particularly conical grease filtrating apparatus, and wherein the steaming on kitchen range face or the steam that boils consist predominantly of thin liquid and grease non-resin shape, for example vegetable oil.The grease separated from smog in these devices, or collected liquid discharges downwards by the support of adhesion, and be collected into there in a collection container.For example at DE 197 53687 A1 and DE 10 2,005 019 831 A1, so a kind of filter for installation is described.
The shortcoming of this filter for installation is that the gradient of filtering surface is too little, and like this, the grease being separated can not flow in grease collection container reliably, and can drip on the kitchen range top.
Summary of the invention
Therefore task of the present invention is to provide a kind of filter for installation, use a kind of like this filter for installation can be reliably by the dirt of separating in filter material, the particularly dirt of fluid, as oil, fat and water import in a collection container, and allow in addition filter for installation to there is little structure height.
The present invention is taking this understanding as foundation, except one first filtering surface tilting, another suction area is also set, and contaminated air can be incorporated in this filter by this suction area.
According to the present invention, this task is to complete by the filter for installation for Wo 2008055837, it has first filter cell and one and is arranged on the collection container below the first filter element, wherein, the filtering surface of the first filter element is a body vertically extending, the lower limb of the first filter element is a discharging area, and described filtering surface is first suction area.This filter for installation is characterised in that, this filter for installation has second suction area, and the discharging area in the firstth district is between the first and second suction areas.
All relate to the installment state of filter for installation in Wo 2008055837 about the situation of gradient, direction and relative position.
Body is called vertically the body extending, and its face is so directed, and its direction has one and is greater than zero vertical component.Such region of filter element is referred to as discharging area, and the dirt holding in filtering material by this region, particularly fluid dirt, as oil, fat and water can leave filter material targetedly.Particularly such region of filter element is referred to as to discharging area, i.e. filter element and a discharger acting in conjunction in this region.Discharger can be for example a guide groove or a thin plate.In any case but discharger can not be designed for the air that filtration is made dirty, is not filtering material especially, as metal lath.Acting in conjunction between filter element and discharger can be that filter element is placed in or leans against on discharger.Instead this acting in conjunction can be positioned at above discharger by discharge area, and by this measure, those dirts that are generally fluid can drip in discharger.Particularly preferably the discharging area of filter element is the edge of filtering surface.In the time of installment state, this edge forms the minimum position of filter element.
Collection container is to be so arranged on below the first filter element, and foul can directly arrive collection container from filtering surface, particularly splashes in this collection container.Collection container is as discharger in this case.An independent discharger instead can be set.Can arrive in collection container by this device foul.
Filtering surface can be made up of metal lath, hole graticule mesh, fleece or other filtering materials.
The filtering surface of the first filter element is first suction area.Such region of filter for installation is referred to as suction area, can be by air intake by a fan arranging in Wo 2008055837 by this region, and this air enters into filter for installation from outside, and be preferably directed to by a filter there.Before referring to these air that arrive suction area, the outside meaning do not guide the filter element through filter for installation in this respect.Thisly conventionally also be referred to as below smog by dirty air.
According to the present invention, filter for installation has second suction area, and the discharging area in the firstth district is between the first and second suction areas.Because the discharging area of the first filter element is arranged between the first and second suction areas, thus can ensure on the one hand to discharge from the first filter element, or the dirt dripping can be discharged from.Therefore needn't worry that foul penetrates in the filter element preferably arranging in the region of the second suction area.In addition can select according to external circumstances, the geometric parameter of single suction area by the suction region of filter for installation being divided into first suction area and second suction area.In traditional filter for installation only with a suction area, this point is impossible, because be at least that the size of suction area determines by desirable suction power and desirable cleaning effect.
Because discharging area is arranged between suction area, so just can ensure to discharge reliably dirt, this may be not all right only having in a large filter for installation with the setting of discharging area suction area.
Be arranged in the region of the second suction area according to second filter element of a preferred form of implementation.According to the present invention the region that is provided with filter element of suction area can be close to smog enter into filter for installation porch arrange.Also can be by filter element with respect to inlet hole, the namely inside inside that is set to filter for installation of inlet hole wrongly.By filter element is arranged in the region of the second suction area, and in the time that selecting greatlyr, the area of inlet hole also can prevent that dirty air or smog from penetrating in Wo 2008055837.
Although mainly relate to below one second or inner filtration parts, also can arrange multiple second or inner filtration parts according to the present invention.
Particularly, in such form of implementation, second filter element is arranged in the region of the second suction area therein, can increase the size of whole filtering surface, or the size of a regulation can preferably be divided into the first and second filter elements.Particularly because the form of the first filter element makes these schemes significant.Because this filter element is vertically to extend, so at the filtering surface of traditional filter for installation, and therefore the size of suction area is only by expanding the height of filter element, expand width or diameter, or by expanding the stand out between upside and the downside of filter element or diameter is poor completes.Conventionally filter is arranged on the downside of a Wo 2008055837 on a kitchen range top or operating desk.In order to use the fan of Wo 2008055837 reliably by the smoke inhalation occurring on the kitchen range top or operating desk, must make to keep small distance between Wo 2008055837 and kitchen range.Therefore the height possibility that increases filter element in order to increase filtering surface is limited.In a filter element, width or diameter also can only expand in the scope of the width dimensions providing by Wo 2008055837, and strengthen filtering surface and be arranged on the kitchen range top below Wo 2008055837 or alignment that workbench needs.Finally can only change conditionally stand out or diameter in filter element poor.Difference on upside and downside between diameter or the width of filter element too conference cause the gradient of filtering surface or gradient little.This little gradient can cause the undesirable thin fluid dirt of people, as oil, water and fat drip on the kitchen range top.
Use the present invention can so select the shape and size of the filtering surface of the first filter element, this filtering surface has favourable height and the gradient, particularly has little height and the large gradient.Although parameter is conventionally unfavorable to efficiency and reliability described in filter for installation, owing to being provided with in addition second suction area with filter element and also can obtaining the desirable efficiency of filter for installation and Wo 2008055837.
Preferably the second filter element is according to the inside that is positioned at the region limiting by the discharging area of the first filter element to the projection of horizontal plane.
Horizontal plane or horizontal line in the mounted Wo 2008055837 of regulation according to the present invention can be regarded as horizontal plane.Horizontal plane is normally perpendicular to the wall of installing on Wo 2008055837.Be arranged at one the Wo 2008055837 upper horizontal plane covering parallel with lid.Because the first filter element is vertically to extend, so this filtering surface with respect to the horizontal plane tilts.The meaning tilting according to regulation of the present invention is to have one to be greater than zero angle with horizontal plane.Angle between horizontal plane and the outside of filtering surface is greater than 0 °.Preferably be greater than 45 ° at the folded low-angle in the outside of horizontal plane and filtering surface, be particularly preferably greater than 60 °.Particularly preferably the first filter element is a body shrinking downwards, and like this, the minimum angles between horizontal plane and the outside of filtering surface is preferably less than 90 °.
Can ensure that by the second filter element being arranged in the region being limited by discharging area the first and second filter elements are not overlapping at vertical direction, or not be stacked.A kind of so overlapping meeting causes dirt to drop onto the first filter element from the second filter element, and this can damage inlet capacity and the carrying capacity of the first filter element.
The second filter element is preferably vertically arranged in the vertical region limiting by top edge and the lower limb of the first filter element at least in part.The second filter element can be accommodated in the first filter element thus.Preferably the second filter element is fully accommodated in the first filter element, in other words, is surrounded by this filter element.Structure height by this design filter for installation is only determined by the first filter element and collection container.
According to a preferred form of implementation, the second filter element has a discharging area, and the discharging area of this discharging area and the first filter element adjoins.At this, such region of filter element is also called the discharging area of the second filter element, and the dirt holding in filter material by this region can depart from filter material targetedly.Particularly such region of filter element is called discharging area, i.e. filter element and discharger acting in conjunction in this region.Preferably discharging area is also positioned at its lower limb for the second filter element.Adjoining of the discharging area of the discharging area of the second filter element and the first filter element can represent reclining of these regions, adjacent setting, or the coincidence in these two regions.For example in such a case, have the coincidence in these regions, that is, the first and second filter elements are one-piece design, and form a common filter unit.Because the discharging area of these two filter elements adjoins each other, so can discharge from these two filter elements dirt out by a unique discharger.Simplified the structure of filter for installation by this measure.
According to the present invention, collection container can so be arranged on below the first filter element, can prevent from dripping on the kitchen range top.The size of collection container makes this collection container at least block the region being limited by the discharging area of the first filter element in this case.Do not need in this case independent discharger.But preferably filter for installation comprises the discharger extending to collection container from the discharging area extension of the first filter element.Can will be incorporated into collection container from the first filter element dirt out reliably by an independent discharger is set, and can stop dirt to drop onto to be positioned on the kitchen range top below filter for installation.Do not have the form of implementation of independent discharger to compare the size that yet can reduce collection container in this form of implementation neutralization, particularly its width or diameter.Last this discharger can be additionally as collection container is fixed on to the fixture on the first filter element.On discharger, fastener can be set, for example screw hole or stop device for this reason.
Collection container preferably has spacing with the discharging area of the first filter element and arranges.Can between the top edge of amount discharge container and the discharging area of filter element, form a suction area by this spacing.Can enter into the inside of filter for installation by this suction area air, and can be introduced in second filter element arranging where necessary.
If a discharger is set on the discharging area of the first filter element, this discharger preferably has at least one inlet hole.Can keep the second suction area of filter for installation by described inlet hole, although also can be used for entering of smog because be provided with the gap of discharger between discharging area and collection container.In addition the dirt that these inlet holes in the discharger extending a basic horizontal, can be used for dripping the second filter element from arranging in the inside of the first filter element arrives collection container.These dirts are through these inlet holes.But following way is also fine, discharger only extends to the top edge of discharger from the discharging area of filter element.These inlet holes are set up in this case, thereby enough materials of discharger are also set between them, to dirt is directed to collection container from discharging area.
Particularly preferably discharger is designed to the plate of arch.On edge, this plate leans against on the discharging area of the first filter element, and to the third side of plate to depression.Collection container Ke center is fixed in the minimum region of this plate.Between the fixture of collection container and edge, some inlet holes are set in plate.Between these holes, brace extends from edge to minimum region.These braces are for keeping collection container on the one hand, and are for guiding those not arrive the lowermost extent of the dirt course plate of collection container by inlet hole on the other hand.Some drippage holes can be set there.Can arrive collection container by these these dirts of drippage hole.
These inlet holes in discharger preferably large scale design, and cover the surperficial major part of discharger.Can ensure that by this measure the air that enters the second suction area can not be obstructed, and particularly not hinder dirt for the discharger that is designed to plate and enter collection container.
According to a preferred form of implementation, the first and second filter elements consist of the body that dwindles respectively, and the second filter element and the first filter element reverse.The first filter element is preferably so directed, and this filter element down dwindles, and the second filter element arranges with the side direction Shangdi dwindling.Can utilize best by the second such filter element the space that is positioned at the first filter partial interior.Have compared with the filter that a kind of like this filtering surface of filter part is flat with much bigger.The second filter element can be in its contraction one side closed.This side can form by a lid.This lid is to be also made up of filtering material.Also can use a kind of air-locked lid, or design a kind of the second filter element of uncovered.
The first and second filter elements for example can have a kind of truncated cone shape, or have a kind of truncated pyramid shape.
Be designed to single-piece according to form of implementation first filter element and the second filter element, that is to say and form an entirety.These two filter elements can be fixed to one another to form a filter unit.Preferably on this discharging area that is fixed on two filter elements, complete.Instead this filter unit also can be made up of a kind of unique raw material or semi-finished product, and so forms an overall unit.If this filtering material is for example metal lath or gauze, these two filter elements can be made by bending semi-finished product.
Brief description of the drawings
By embodiment, the present invention is described again below.Even this wherein disclosed feature single be also important for the present invention.Accompanying drawing is below:
Fig. 1: according to filter for installation of the present invention perspective exploded view.
Fig. 2: according to the simplified side view of another form of implementation of filter for installation of the present invention.
Fig. 3: according to the cross-sectional of the form of implementation of the filter of Fig. 1.
Detailed description of the invention
Fig. 1 illustrates according to the disassembled schematic of filter for installation 1 of the present invention form of implementation.Filter for installation 1 comprises in outer first filter element 11, one that the second filter element 12 and one are arranged on filter element 11,12 collection container 14 below.Between collection container 14 and filter element 11,12, be provided with a substrate 13 as discharger.On the first filter element 11, be provided with a connecting ring 15.Filter element 11 and Wo 2008055837 (not shown) can be coupled together by this connecting ring.In connecting ring 15, be provided with a flow nozzle 16.Can flow into from filter for installation 1 inside of Wo 2008055837 by this nozzle air.Air is inhaled in Wo 2008055837 through filter for installation 1 by the fan in Wo 2008055837.
Shown in form of implementation the filtering surface 112 of the first filter element 11 there is truncated cone, wherein, the side that the diameter of this truncated cone is less is pointed to down, that is to say towards substrate 13.The second filter element 12 is arranged in the first filter element 11.The filtering surface 122 of the second filter element 12 also has truncated cone.But the truncated cone that this truncated cone and the filtering surface 112 by the first filter element 11 form is oppositely directed.One side of the truncated cone with small diameter of the second filter element 12 is directed upwards towards.The height of aspect ratio first filter element 11 of the second filter 12 is little.
As can be seen from Figure 3, the truncated cone of the second filter element 12 less than the small diameter of the truncated cone of the first filter element 11 at the diameter with a larger-diameter side.
The lower limb of the first filter element 11 forms the discharging area 111 of the first filter element.Due to the direction by horizontal line projection of the filtering surface 112 of the first filter element 11, so the dirt of separating in the first filter element 11 flow in this discharging area.The lower limb 121 of the second filter element 12 also forms the discharging area 121 of the second filter unit 12.
Enter or splash into basal disc 13 from filter element 11,12 dirt out by discharging area 111 and 121.
This basal disc 13 also has truncated cone.One side with small diameter is pointed to down, and forms by a base plate 134.Edge 133 directions of contact pin 132 from base plate 134s towards basal disc 13 are extended.The edge 133 of basal disc 13 forms by a broadband.Between brace 132, form inlet hole 131, these inlet holes radially extend towards edge 133 from base plate 134.Shown in form of implementation in basal disc 13, be provided with three inlet holes 131.These inlet holes are separated from each other by leaf armature 132 respectively.In base plate 134, be provided with a screw hole 135.Can be connected with collection container 14 by these screw hole 135 basal discs 13.Be provided with a screw platform 141 in the central authorities of collection container 14.Can complete the connection of the screw (not shown) being directed to by screw hole 135 with by screw platform.In this external base plate 134, be also provided with some drippage holes 136.
The first filter element 11 in the outward flange horizontal of basal disc 13 on this basal disc.According to the form of implementation of Fig. 1 and Fig. 3, the lower limb 121 of inner filtration parts 12 shifts to install downwards with respect to the lower limb 111 of the first filter element 11.Because edge 133 tilts with respect to the base plate 134 of basal disc 13, so the lower limb 121 of inner filtration parts 12 is also placed on the edge 133 of basal disc.
As can be seen from Figure 3, due to the cone shape of basal disc 13, and because collection container 14 is to be fixed on the base plate 134 of basal disc 13, so the lower limb 111 and 121 of collection container 14 and filter element 11 and 12 has a segment distance.Form a suction area by this measure.Can arrive the second filter element 12 by the inlet hole of basal disc 13 131 by those smog of this suction area.
Fig. 3 schematically illustrates the mobility status of the different smog of realizing with filter for installation 1.
Broad arrow represents the first air stream 1LS.For example enter filter for installation 1 from kitchen range top DE Smoke mist by the filtering surface 112 of the first filter element 11.The dirt being present in smog in this process is separated from air, and is retained on the filtering material of filter element 11.In Fig. 3, these separated dirts represent with round dot.The air being so cleaned arrives flow nozzle 16 by the inside of filter element 11, and discharges from this cover by the fan of Wo 2008055837.
Narrow arrow represents the second air stream 2LS.This strand of air-flow enters into filter for installation 1 by the space between the lower limb 111 of collection container 14 and the first filter element 11 or the edge 133 of basal disc 13.Inlet hole 131 this gang of the second air stream 2LS by basal disc can arrive the second filter element 12.Those dirts that comprise in air-flow are separated there, and the air stream being filtered can by filtering surface 122 or filter element 12 shown in the upside of form of implementation split shed arrive flow nozzle 16.The air stream being purified is therefrom discharged from this cover by the fan of Wo 2008055837.
Dirt separated in the first and second filter elements arrives basal disc 13 along the filtering surface 112 and 122 of two filter elements 11 and 12.Edge 133 these dirts through basal disc 13 arrive collection container 14 by the inlet hole 131 of basal disc 13.But these dirts also can flow to base plate 134 by the brace of basal disc 13 132, and for example arrive collection container by inlet hole 136 or by flowing through base plate 134.
Fig. 2 shows according to another form of implementation of filter for installation 1 of the present invention simplified side view.This sketch and basic identical in the form of implementation shown in Fig. 1 and Fig. 3.But the second filter element 12 is provided with a lid 123 in this form of implementation.This lid can be made up of filtering material, or also can be made up of a kind of gas impermeable material.In form of implementation shown in this external Fig. 2, the lower limb 121 of the second filter element 12 and the lower limb 111 of the first filter element 11 arrange at grade.These two filter elements 11 and 12 for example can be made up of parts, and are so remained in this relative position.In the form of implementation shown in Fig. 2, the second filter element 12 intactly, that is to say, is accommodated in the first filter element 11 in the horizontal direction with in vertical direction.
The present invention and be not only confined to shown in form of implementation, for example the shape of the first and/or second filter element can with shown in truncated cone form different.Filter element for example can have the shape of the frustum of a pyramid.Also can be other shape, for example cylindrical shape in the present invention.Collection container also can with shown in form of implementation differently design and arrange.For example collection container can not be also design shown in central, but arrange with filter for installation off(-)center.
Therefore with the invention provides a kind of simple scheme, this scheme particularly can meet the filter for installation proposed requirement to settling due to the oil of cooking that used there in region, Asia.Use two area filter devices according to the present invention can realize first or the little structure height of outer filter element and the more heavy grade of filtering surface.In the inside of the first and second filter elements, an intermediate layer can be set.This intermediate layer for example can be made up of filtering material.
Reference numeral table
1 filter for installation
11 outer filter elements
111 lower limbs (discharging area)
112 filtering surfaces
12 inner filtration parts
121 lower limbs (discharging area)
122 filtering surfaces
123 lids
13 basal discs
131 inlet holes
132 braces
133 edges
134 base plates
135 screw holes
136 drippage holes
14 collection containers
141 screw platforms
15 connecting rings
16 flow nozzles
1LS the first air stream
2LS the second air stream
Claims (2)
1. for the filter for installation of Wo 2008055837, there is the first filter element (11) and be arranged on the first filter element (11) collection container (14) below, wherein, the filtering surface (112) of the first filter element (11) is the body dwindling downwards, the lower limb of the first filter element (11) is discharging area, and filtering surface (112) is the first suction region, it is characterized in that, filter for installation (1) has the second suction region (131) separating with the first suction region by discharging area (111), the second filter element (12) is wherein set in the region in the second suction region (131).
2. according to filter for installation claimed in claim 1, it is characterized in that, the arrive projection of horizontal plane of the second filter element (12) is positioned at the inside in the region limiting by the discharging area (111) of the first filter element (11).
3. according to the filter for installation described in claim 1 or 2, it is characterized in that, the second filter element (12) is arranged in the vertical region limiting by top edge and the lower limb of the first filter element (11) at least in part at vertical direction.
4. according to the filter for installation described in claim 1 or 2, it is characterized in that, the second filter element (12) has discharging area (121), and the discharging area (111) of this discharging area and the first filter element (11) adjoins.
5. according to the filter for installation described in claim 1 or 2, it is characterized in that, filter for installation (1) comprises discharger (13), and this discharger extends to collection container (14) from the discharging area (111) of the first filter element (11).
6. according to filter for installation claimed in claim 5, it is characterized in that, discharger (13) has at least one inlet hole.
7. according to the filter for installation described in claim 1 or 2, it is characterized in that, collection container (14) arranges with discharging area (111) compartment of terrain of the first filter element (11).
8. according to the filter for installation described in claim 1 or 2, it is characterized in that, the first filter element (11) and the second filter element (12) form by the body shrinking respectively, and the second filter element (12) and the first filter element (11) are oppositely.
9. according to the filter for installation described in claim 1 or 2, it is characterized in that, the first filter element (11) and the second filter element (12) have truncated cone shape, or truncated pyramid shape.
10. according to the filter for installation described in claim 1 or 2, it is characterized in that the first filter element (11) and the design of the second filter element (12) single-piece ground.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007055308.2 | 2007-11-20 | ||
| DE102007055308A DE102007055308A1 (en) | 2007-11-20 | 2007-11-20 | Filtration unit for kitchen extraction hood, includes second intake zone separated from first intake zone by drain region |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101439249A CN101439249A (en) | 2009-05-27 |
| CN101439249B true CN101439249B (en) | 2014-06-18 |
Family
ID=40576819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810173380.3A Active CN101439249B (en) | 2007-11-20 | 2008-11-20 | Filter device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101439249B (en) |
| DE (1) | DE102007055308A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011525605A (en) * | 2008-06-25 | 2011-09-22 | 山▲東▼大学 | Kitchen ventilation fan |
| CN102444925B (en) * | 2010-09-30 | 2016-08-17 | 博西华电器（江苏）有限公司 | A kind of smoke exhaust ventilator and defecator thereof |
| CN104548756A (en) * | 2013-10-12 | 2015-04-29 | 无锡日月合金材料有限公司 | Oil-gas separator |
| CN105757755B (en) * | 2016-04-29 | 2020-01-24 | 武汉华易达电力设备有限公司 | Top-suction type fume exhauster |
| EP3249307A1 (en) * | 2016-05-27 | 2017-11-29 | Sil Fim Societa' A Responsabilita' Limitata | Filtering/extracting hood of improved type for kitchens |
| DE102016225394A1 (en) * | 2016-12-19 | 2018-06-21 | BSH Hausgeräte GmbH | Collecting container for extractor hood |
| CN109499188B (en) * | 2018-12-16 | 2021-04-16 | 中国航发沈阳发动机研究所 | Dust removal device for aero-engine high-conductance and high-vortex outer ring airflow path |
| CN109925796A (en) * | 2019-03-29 | 2019-06-25 | 广东君竹环保科技有限公司 | A kind of booster-type dynamic physical interception oil smoke purification separation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6569008B1 (en) * | 2002-09-30 | 2003-05-27 | Li-Lin Chang | Network for an oil-smoke exhausting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58219340A (en) * | 1982-06-15 | 1983-12-20 | Toshiba Corp | Oven hood fan |
| DE19753687A1 (en) | 1997-12-03 | 1999-06-10 | Bosch Siemens Hausgeraete | Fumes extraction hood with a conical grease filter |
| US20020083691A1 (en) * | 2000-12-28 | 2002-07-04 | Li-Lin Chang | Oil filter device of smoke exhaust |
| DE102005019831A1 (en) | 2005-04-28 | 2006-11-02 | BSH Bosch und Siemens Hausgeräte GmbH | Filter assembly used in cooker extraction hood, comprises spaced sheet metal shells including mutually-offset, nozzle-shaped openings |
-
2007
- 2007-11-20 DE DE102007055308A patent/DE102007055308A1/en not_active Withdrawn
-
2008
- 2008-11-20 CN CN200810173380.3A patent/CN101439249B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6569008B1 (en) * | 2002-09-30 | 2003-05-27 | Li-Lin Chang | Network for an oil-smoke exhausting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101439249A (en) | 2009-05-27 |
| DE102007055308A1 (en) | 2009-05-28 |
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