CN1693766B - Cooking fume purifying cover and its cooking fume purifier - Google Patents
Cooking fume purifying cover and its cooking fume purifier Download PDFInfo
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- CN1693766B CN1693766B CN 200510017502 CN200510017502A CN1693766B CN 1693766 B CN1693766 B CN 1693766B CN 200510017502 CN200510017502 CN 200510017502 CN 200510017502 A CN200510017502 A CN 200510017502A CN 1693766 B CN1693766 B CN 1693766B
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Abstract
The invention discloses an oil fume clarification cover and the oil fume clarifier. The oil fume clarification cover contains frame and certain quantity oil fume clarifying structures. The structures are installed in the frame in portrait or in cross direction. The structure contains main board whose external end is set a commutation board and the inner end is set a main filter plate. Diversion muffle cold plate is set between the main filter plate and commutation board. Oil fume clarification cover is embedded under the combination carcass body. The exhaust fan is installed on the upper inner cavity on combination carcass or outside of the combination carcass. Oil collection groove is set at the down part of the combination carcass. The invention could make the oil fume have several step separation, have good clarification effect, and be convenience to install or uninstall.
Description
One. technical field: the present invention relates to a kind of fume purifier of fume, particularly relate to a kind of cooking fume purifying cover and cooking fume remover thereof.
Two. background technology: along with development and national economy and development of technology, people's living standard improves constantly, its living environment is constantly improved simultaneously, people are by the initial oil smoke of standing the kitchen, to the oil smoke that adopts in the ventilating fan eliminating kitchen, and then adopt smoke exhaust ventilator to get rid of oil smoke, when improving the smoke abatement effect, strengthen people's aesthetic again.The kind of present smoke exhaust ventilator both domestic and external is more, and a part is the top that smoke exhaust ventilator is installed in cooking stove, adopts the lampblack-pumped mode of overhead type; Another part is the popularization along with Smoke-less range table, and smoke exhaust ventilator is installed in the side, adopts side-mounted lampblack-pumped mode.Two kinds of most employings of smoke exhaust ventilator directly enter atmosphere with oil flue waste gas by blast pipe, perhaps oil flue waste gas is entered common exhaust duct, and then enter atmosphere by common exhaust duct, but the mode of this mist extractor not only can contaminated air, but also in the neighbours' of can wafing the room, pollute the indoor air of neighbours, damage other people healthy, its noise is big in addition, influences people's work and rest.Along with environmental protection standard improve constantly and people to the continuous reinforcement of healthy attention degree, the flue gas that has a mist of oil this mode in the atmosphere of directly being discharged into more and more is subjected to environmental administration and numerous residents' restriction and is weary of.At this situation, people develop the smoke exhaust ventilator that has the oil smoke separation function, (Granted publication number is: CN2395177Y as Chinese patent, the patent No. is: 99233766.6) disclose a kind of " smoke exhaust ventilator ", it is formed by the ventilating fan transformation of the way, comprises housing, be fixedly mounted on motor and impeller on the housing, the trailing flank sealing of housing offers exhaust outlet on the circumferential wall of housing, wireway cooperates with exhaust outlet, below wireway, be provided with water tank, fill water or aqueous slkali in the water tank, the lower end of wireway is stretched in the solution, makes oil smoke through just discharge behind the solution filtration, purification, contaminated air not, simple in structure, cheap, but it need be provided with water tank, need people to monitor the water yield in the water tank simultaneously, use inconvenience, can produce noise when oil smoke is through solution in addition, influence people's normal life.And for example (Granted publication number is Chinese patent: CN2384669Y, the patent No. is: 9923200.3) disclose a kind of " smoke exhaust ventilator smoke eliminator ", it fills filtered fluid in cylindrical shell, and air inlet pipe is housed, one end of air inlet pipe is inserted in the filtered fluid, its other end is the link of the blast pipe of smoke exhaust ventilator, be fixed with a baffle plate and sieve tray in cylindrical shell, pneumatic filter is housed on sieve tray, cover covers on cylindrical shell, position at the cover mider hole is connected with blast pipe, three-way pipe is equipped with in bottom at cylindrical shell, and liquid level observation tube and sewage draining valve are housed on three-way pipe, and it is by the filtration of filtered fluid and filter, reduce or prevent the pollution of oil smoke environment, but it also needs people to monitor the water yield in the water tank, causes and uses inconvenience, energy consumption height, the waste water yield, cost is higher.(Granted publication number is Chinese patent: CN2529696Y for another example, the patent No. is: 02221725.8) disclose a kind of " cooking fume filter ", it is a slab construction, form by two of front and back, have therebetween at interval, oil smoke import on the anter and the outlet of the oil smoke on the rear panel all are that cross section is trapezoidal bar hole, and oil smoke import and outlet are staggered, this filter constitutes some passages that make oil smoke flow and turn back suddenly, more helping oil smoke separates, but it has increased noise simultaneously, and carries out single-stage and filter, and the effect of filtration is limited.
Three. summary of the invention:
Purpose of the present invention: overcome the defective of prior art, provide a kind of can the multi-stage separation oil smoke, reduce noise, cooking fume purifying cover and cooking fume remover thereof simple in structure.
Technical scheme of the present invention: a kind of cooking fume purifying cover, the fume purifying structure that contains framework and some, vertical horizontal or oblique uniform being installed in the framework of described fume purifying structure, the fume purifying structure has mainboard, the external end head of mainboard is provided with cowling panel, its inner end is provided with the main filter that has certain angle γ with mainboard, and the certain fixed distance in every interval, mainboard both sides between main filter and cowling panel has the water conservancy diversion noise reduction cold plate that has certain angle α with mainboard; Described angle γ is 30 °～80 °, and described angle α is 30 °～80 °.
Described mainboard is dull and stereotyped, or be corrugated arc plate, or be the broken line template, the main filter of mainboard one side is dull and stereotyped, the main filter of its opposite side is the broken line template, its broken line angle β is 1.8～2.3 times of angle α, separation delta between the broken line type master filter of adjacent two mainboards and the plate main filter is 0.5～5mm, described cowling panel is an arc, or be the broken line template, infall other at mainboard side or mainboard and water conservancy diversion noise reduction cold plate or mainboard and main filter is provided with the round hollow cylinder that cross section is circle or opening circle.
The preferable range of above-mentioned numerical value is: described angle γ is 45 °～65 °, and described angle α is 45 °～65 °, and described angle β is 2 times of angle α, and described separation delta is 0.5～3mm, posts insulation material layer in water conservancy diversion noise reduction cold plate inboard.
Described framework is a plane rectangle overall structure, or be plane rectangle combining structure, or be the planar square overall structure, or be the planar square combining structure, or be cancave cambered surface rectangle overall structure, or be cancave cambered surface rectangle combining structure, or be the square overall structure of cancave cambered surface, or be the square combining structure of cancave cambered surface, or be plane isosceles trapezoid overall structure, or be plane isosceles trapezoid combining structure, or be cancave cambered surface isosceles trapezoid overall structure, or be cancave cambered surface isosceles trapezoid combining structure; Offer oil leaking hole or leakage of oil groove on the base plate of framework.
A kind of cooking fume remover, contain described cooking fume purifying cover, combination housing, oil storage tank and air exhauster, cooking fume purifying cover is inlayed and is fixed on the front of combination housing bottom surfaces to the kitchen sink, cooking fume purifying cover and vertical plane have certain inclination angle [theta], at combination housing top inner chamber or combination housing upper step outside air exhauster is installed, the suction opeing of air exhauster is communicated with combination housing top inner chamber, and its exhaust outlet tracheae that runs in is sent outdoorly, is provided with oil storage tank in the bottom of making up housing.
Described inclination angle [theta] is 0 °～60 °, the combination housing by two approximate right angle trapezoidal and cavity that interconnect forms, or the combination housing is that approximate right angle is trapezoidal by the bottom, top is approximate rectangle or square and the cavity composition that interconnects.
The framework that is installed on the cooking fume purifying cover of combination lower housing portion is a plane rectangle overall structure, or be plane rectangle combining structure, or planar square overall structure, or be the planar square combining structure, or be cancave cambered surface rectangle overall structure, or be cancave cambered surface rectangle combining structure, or be the square overall structure of cancave cambered surface, or be the square combining structure of cancave cambered surface, or be plane isosceles trapezoid overall structure, or be plane isosceles trapezoid combining structure, or be cancave cambered surface isosceles trapezoid overall structure, or be cancave cambered surface isosceles trapezoid combining structure.
Described sectional casing intracoelomic cavity or outside are installed an air exhauster at least.
The vertical horizontal or oblique all distributions of described fume purifying structure are installed in the framework, the fume purifying structure has mainboard, described mainboard is dull and stereotyped, or be corrugated arc plate, or be the broken line template, described angle γ is 30 °～80 °, described angle α is 30 °～80 °, the main filter of mainboard one side is dull and stereotyped, the main filter of its opposite side is the broken line template, and its broken line angle β is 1.8～2.3 times of angle α, separation delta between the broken line type master filter of adjacent two mainboards and the plate main filter is 0.5～5mm, and described cowling panel is an arc, or is the broken line template, infall other at mainboard side or mainboard and water conservancy diversion noise reduction cold plate or mainboard and main filter is provided with the round hollow cylinder that cross section is circle or opening circle, offers oil leaking hole or leakage of oil groove on the base plate of framework.
The preferable range of above-mentioned numerical value is: described angle γ is 45 °～65 °, and described angle α is 45 °～65 °, and described angle β is 2 times of angle α, and described separation delta is 0.5～3mm, posts insulation material layer in water conservancy diversion noise reduction cold plate inboard.
Beneficial effect of the present invention:
1. the present invention can make oil smoke through multi-stage separation, reduce the pollution of oil smoke to air, help environmental protection, the external end head of fume purifying structure mainboard is a cowling panel, be convenient to oil smoke and enter cooking fume purifying cover, oblique water conservancy diversion noise reduction cold plate and the main filter that has certain angle α with mainboard arranged, oil smoke is flowed along broken line direction in the certain fixed distance in every interval, the both sides of mainboard, increase its flow process, be convenient to mist of oil condensation sedimentation; In flow process, oil smoke constantly contacts with water conservancy diversion noise reduction cold plate, carries out multistage filtering, and water conservancy diversion noise reduction this moment cold plate had both changed the flow direction of oil smoke, again oil smoke was played condensation simultaneously, made the mist of oil sedimentation, thereby oil smoke is separated, and improved purifying rate.As required, can adopt the fume purifying structure at different length, width and inclination angle, its fume purifying effect is obvious.
2. the present invention's manufacturing simple in structure, easy, and easy accessibility, be convenient to maintenance, its fume purifying structure is a section bar, selects suitable length to get final product as required, on the mainboard of fume purifying structure, be provided with the round hollow cylinder that cross section is circle or opening circle in addition, can be fixed to by bolt on the framework of cooking fume purifying cover, load and unload very conveniently, this framework is inlayed or is bolted on the housing of cooking fume remover, dismounting is convenient equally, reduces maintenance cost greatly.
3. the present invention is easy to use, the mainboard of fume purifying structure is dull and stereotyped, or be corrugated arc plate, or be the broken line template, can select different plate shapes as required, cooking fume purifying cover is inlayed the combination housing bottom surfaces that the is fixed on cooking fume remover front to the kitchen sink in addition, cooking fume purifying cover and vertical plane have certain inclination angle [theta], the lower case of cooking fume remover adopts plane or cancave cambered surface simultaneously, the oil smoke that cooking stove produces all can be siphoned away like this, prevent the fume pollution room air, avoid influencing the healthy of indoor occupant.
4. the present invention can a plurality ofly unite use, enlarges lampblack-pumped area, makes the oil smoke of the large-scale kitchen range in hotel, restaurant obtain fine purification, and reduces noise greatly, cuts down the consumption of energy, and reaches environmental protection requirement.
5. noise of the present invention is little, and the scope of application is wide, is applicable to family and hotel, restaurant, dining room, is easy to promotion and implementation, has good social and economic benefit.
Four. description of drawings:
Fig. 1 is one of structural representation of fume purifying structure
Fig. 2 be the fume purifying structure structural representation two
Fig. 3 be the fume purifying structure structural representation three
Fig. 4 is one of structural representation of cooking fume purifying cover
Fig. 5 is the vertical view of cooking fume purifying cover shown in Figure 4
Fig. 6 be cooking fume purifying cover structural representation two
Fig. 7 be cooking fume purifying cover structural representation three
Fig. 8 be the fume purifying structure structural representation four
Fig. 9 be the fume purifying structure structural representation five
Figure 10 be the fume purifying structure structural representation six
Figure 11 is one of structural representation of cooking fume remover
Figure 12 is the right TV structure figure of cooking fume remover shown in Figure 11
Figure 13 be cooking fume remover structural representation two
Figure 14 is the right TV structure figure of cooking fume remover shown in Figure 13
Five. the specific embodiment:
Embodiment one: referring to Fig. 1～Fig. 5, among the figure, the mainboard 2 of fume purifying structure is a flat board, its external end head is provided with cowling panel 5, these cowling panel 5 tops are arc, its side is dull and stereotyped, mainboard 2 inner ends are provided with the main filter 1 that has certain angle γ with mainboard 2, described angle γ is 30 °～80 °, the main filter 1 of mainboard 2 one sides is plate, the main filter of its opposite side is 1 for broken line type, and its broken line angle β is 1.8～2.3 times of angle α, and the certain fixed distance in every interval, mainboard 2 both sides between main filter and cowling panel 5 has the water conservancy diversion noise reduction cold plate 3 that has certain angle α with mainboard.Described angle α is 30 °～80 °, and being provided with cross section on mainboard 2 is the round hollow cylinder 4 of opening circle, and screw 7 lower ends are run through framework 6 and are fixed on the round hollow cylinder 4, thereby the fume purifying structure vertically is fixed in the framework 6.Separation delta between the main filter plate 1 on the adjacent mainboard 2 is 0.5～5mm, and framework 6 is a plane rectangle overall structure, offers oil leaking hole or leakage of oil groove (not drawing among the figure) on its base plate.
Experiment shows: the preferable range of above-mentioned numerical value is: angle γ is 45 °～65 °, and angle α is 45 °～65 °, and angle β is 2 times of angle α, and separation delta is 0.5～3mm.
As required, can post insulation material layer at main filter 1 and water conservancy diversion noise reduction cold plate 3 sides.
Embodiment two: referring to Fig. 6, the representative meaning that numbering is identical with embodiment one among the figure is identical, and something in common does not repeat, and difference is: described mainboard 2 broken line templates, and framework 6 is a plane rectangle combining structure.
Embodiment three: referring to Fig. 7, the representative meaning that numbering is identical with embodiment one among the figure is identical, and something in common does not repeat, and difference is: described mainboard 2 is corrugated arc plate, and framework 6 is a plane rectangle combining structure.
Embodiment four: referring to Fig. 8, the representative meaning that numbering is identical with embodiment one among the figure is identical, and something in common does not repeat, and difference is: described mainboard 2 is the broken line template, only descend two ends to be provided with round hollow cylinder 4 (not drawing among the figure) thereon, the centre is a solid construction.
Embodiment five: referring to Fig. 9, the representative meaning that numbering is identical with embodiment one among the figure is identical, and something in common does not repeat, and difference is: described mainboard 2 only descends two ends to be provided with round hollow cylinder 4 (not drawing among the figure) thereon for flat board, and the centre is a solid construction.
Embodiment six: referring to Figure 10, the representative meaning that numbering is identical with embodiment one among the figure is identical, and something in common does not repeat, and difference is: described mainboard 2 is corrugated arc plate, only descend two ends to be provided with round hollow cylinder 4 (not drawing among the figure) thereon, the centre is a solid construction.
Embodiment seven: referring to Figure 11 and Figure 12, the representative meaning that numbering is identical with embodiment one among the figure is identical, something in common does not repeat, difference is: above-mentioned any cooking fume purifying cover is inlayed combination housing 8 bottom surfaces that the are fixed on cooking fume remover front to the kitchen sink, cooking fume purifying cover end face and vertical plane have certain inclination angle [theta], described inclination angle [theta] is 0 °～60 °, at combination housing 8 top inner chambers direct-drawing type air exhauster 9 and fixed mount 10 is installed.Combination housing 8 is monoblock type or combined type, is that approximate right angle is trapezoidal by the bottom, and top is approximate rectangle or cavity composition square and that interconnect.
During use, cooking fume remover is installed on the kitchen range top, connects power supply, air exhauster 9 work form negative pressure in the housing 8, oil smoke enters cooking fume purifying cover along cowling panel 5, by water conservancy diversion noise reduction cold plate 3 and main filter 1 oil smoke is flowed along broken line direction, increase its flow process, be convenient to mist of oil condensation sedimentation; In flow process, oil smoke constantly contacts with main filter 1 with water conservancy diversion noise reduction cold plate 3, and this moment, water conservancy diversion noise reduction cold plate 3 and main filter 1 both changed the flow direction of oil smoke, again oil smoke were played condensation simultaneously, made the mist of oil sedimentation, thereby oil smoke is separated.In the oil storage tank 11 that the oil that condensation separation goes out is provided with to combination housing 9 bottoms by the oil leaking hole on the framework 6 or leakage of oil concentrated flow, be convenient to cleaning.
As required, can adopt the fume purifying structure at different length, width and inclination angle, or adopt a plurality of cooking fume remover couplings, its fume purifying effect is obvious.Make up housing 8 in addition and can be cancave cambered surface overall structure or combining structure, the oil smoke that cooking stove produces all can be siphoned away like this.
Embodiment eight: referring to Figure 13 and Figure 14, present embodiment and embodiment seven are basic identical, and something in common does not repeat, and difference is: at centrifugal exhauster 12 of combination housing 8 outside installations, the air inlet pipe of this air exhauster 12 is communicated with combination housing 8 inner chambers, and its blast pipe reaches outdoor.
Can form a plurality of embodiment by the shape that changes fume purifying structure, framework and combination housing, be the application's structural change, not describe in detail one by one at this.
Claims (10)
1. cooking fume purifying cover, the fume purifying structure that contains framework and some, it is characterized in that: vertical horizontal or oblique uniform being installed in the framework of described fume purifying structure, the fume purifying structure has mainboard, the external end head of mainboard is provided with cowling panel, its inner end is provided with the main filter that has certain angle γ with mainboard, and the certain fixed distance in every interval, mainboard both sides between main filter and cowling panel has the water conservancy diversion noise reduction cold plate that has certain angle α with mainboard; Described angle γ is 30 °～80 °, and described angle α is 30 °～80 °.
2. cooking fume purifying cover according to claim 1, it is characterized in that: described mainboard is for dull and stereotyped, or be corrugated arc plate, or be the broken line template, the main filter of mainboard one side is dull and stereotyped, the main filter of its opposite side is the broken line template, and its broken line angle β is 1.8～2.3 times of angle α, separation delta between the broken line type master filter of adjacent two mainboards and the plate main filter is 0.5～5mm, described cowling panel is an arc, or be the broken line template, infall other at mainboard side or mainboard and water conservancy diversion noise reduction cold plate or mainboard and main filter is provided with the round hollow cylinder that cross section is circle or opening circle.
3. cooking fume purifying cover according to claim 2, it is characterized in that: described angle γ is 45 °～65 °, and described angle α is 45 °～65 °, and described angle β is 2 times of angle α, described separation delta is 0.5～3mm, posts insulation material layer in water conservancy diversion noise reduction cold plate inboard.
4. according to claim 1 or 2 or 3 described cooking fume purifying covers, it is characterized in that: framework is a plane rectangle overall structure, or be plane rectangle combining structure, or be the planar square overall structure, or be the planar square combining structure, or be cancave cambered surface rectangle overall structure, or be cancave cambered surface rectangle combining structure, or be the square overall structure of cancave cambered surface, or be the square combining structure of cancave cambered surface, or be plane isosceles trapezoid overall structure, or be plane isosceles trapezoid combining structure, or be cancave cambered surface isosceles trapezoid overall structure, or be cancave cambered surface isosceles trapezoid combining structure; Offer oil leaking hole or leakage of oil groove on the base plate of framework.
5. cooking fume remover, contain cooking fume purifying cover as claimed in claim 1, also contain combination housing, oil storage tank and air exhauster, it is characterized in that: cooking fume purifying cover is inlayed and is fixed on the front of combination housing bottom surfaces to the kitchen sink, cooking fume purifying cover and vertical plane have certain inclination angle [theta], at combination housing top inner chamber or combination housing upper step outside air exhauster is installed, the suction opeing of air exhauster is communicated with combination housing top inner chamber, its exhaust outlet run in tracheae send outdoor, the combination housing the bottom be provided with oil storage tank.
6. cooking fume remover according to claim 5, it is characterized in that: described inclination angle [theta] is 0 °～60 °, the combination housing by two approximate right angle trapezoidal and cavity that interconnect form, or the combination housing is that approximate right angle is trapezoidal by the bottom, and top is formed for approximate rectangle or square and the cavity that interconnects.
7. according to claim 5 or 6 described cooking fume removers, it is characterized in that: the framework that is installed on the cooking fume purifying cover of combination lower housing portion is a plane rectangle overall structure, or be plane rectangle combining structure, or planar square overall structure, or be the planar square combining structure, or be cancave cambered surface rectangle overall structure, or be cancave cambered surface rectangle combining structure, or be the square overall structure of cancave cambered surface, or be the square combining structure of cancave cambered surface, or be plane isosceles trapezoid overall structure, or be plane isosceles trapezoid combining structure, or be cancave cambered surface isosceles trapezoid overall structure, or be cancave cambered surface isosceles trapezoid combining structure.
8. cooking fume remover according to claim 7 is characterized in that: sectional casing intracoelomic cavity or outside are installed an air exhauster at least.
9. cooking fume remover according to claim 7, it is characterized in that: the vertical horizontal or oblique all distributions of described fume purifying structure are installed in the framework, the fume purifying structure has mainboard, described mainboard is dull and stereotyped, or be corrugated arc plate, or be the broken line template, described angle γ is 30 °～80 °, described angle α is 30 °～80 °, the main filter of mainboard one side is dull and stereotyped, the main filter of its opposite side is the broken line template, and its broken line angle β is 1.8～2.3 times of angle α, separation delta between the broken line type master filter of adjacent two mainboards and the plate main filter is 0.5～5mm, described cowling panel is an arc, or be the broken line template, infall other at mainboard side or mainboard and water conservancy diversion noise reduction cold plate or mainboard and main filter is provided with the round hollow cylinder that cross section is circle or opening circle, offers oil leaking hole or leakage of oil groove on the base plate of framework.
10. cooking fume purifying cover according to claim 9, it is characterized in that: described angle γ is 45 °～65 °, and described angle α is 45 °～65 °, and described angle β is 2 times of angle α, described separation delta is 0.5～3mm, posts insulation material layer in water conservancy diversion noise reduction cold plate inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510017502 CN1693766B (en) | 2005-04-11 | 2005-04-11 | Cooking fume purifying cover and its cooking fume purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510017502 CN1693766B (en) | 2005-04-11 | 2005-04-11 | Cooking fume purifying cover and its cooking fume purifier |
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| Publication Number | Publication Date |
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| CN1693762A CN1693762A (en) | 2005-11-09 |
| CN1693766B true CN1693766B (en) | 2010-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510017502 Expired - Fee Related CN1693766B (en) | 2005-04-11 | 2005-04-11 | Cooking fume purifying cover and its cooking fume purifier |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323744C (en) * | 2005-06-01 | 2007-07-04 | 马利华 | Condensing type smoke purification cover and its smoke purifier |
| CN101033865B (en) * | 2007-03-29 | 2012-07-18 | 宁波方太厨具有限公司 | Device for filtering oil smoke |
| CN102410128B (en) * | 2011-09-30 | 2014-07-02 | 东方电气集团东方电机有限公司 | Oil-mist-proof fuel tank cap |
| CN102829499B (en) * | 2012-08-11 | 2015-06-24 | 孙泽远 | Condensation noise-reduction oil smoke purifying main plate, oil smoke purifier and oil smoke purifying machine |
| CN104289043B (en) * | 2014-09-01 | 2016-06-15 | 中车青岛四方机车车辆股份有限公司 | A kind of anti-dust storm mechanical type filter used for rail vehicle |
| CN107900062A (en) * | 2017-11-29 | 2018-04-13 | 天津昭阳科技有限公司 | A kind of Novel vent pipe |
| CN107983045B (en) * | 2017-12-09 | 2020-07-10 | 天津大学 | A drainage channel for weaving fibre filter material filters oil smoke |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804680Y (en) * | 2005-04-11 | 2006-08-09 | 马利华 | Smoke purifying hood and smoke purifier |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804680Y (en) * | 2005-04-11 | 2006-08-09 | 马利华 | Smoke purifying hood and smoke purifier |
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Denomination of invention: Cooking fume purifying cover and its cooking fume purifier Effective date of registration: 20110509 Granted publication date: 20100428 Pledgee: Henan Rui investment Company limited by guarantee Pledgor: Ma Lihua Registration number: 2011990000169 |
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