CN104214805A - Range hood and plate-shaped oil-filter screen for range hood - Google Patents
Range hood and plate-shaped oil-filter screen for range hood Download PDFInfo
- Publication number
- CN104214805A CN104214805A CN201310208023.7A CN201310208023A CN104214805A CN 104214805 A CN104214805 A CN 104214805A CN 201310208023 A CN201310208023 A CN 201310208023A CN 104214805 A CN104214805 A CN 104214805A
- Authority
- CN
- China
- Prior art keywords
- thickness
- edge portion
- tabular
- cleaner screen
- oil
- 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.)
- Pending
Links
Landscapes
- Ventilation (AREA)
Abstract
The invention brings forward a range hood and a plate-shaped oil-filter screen for the range hood. The plate-shaped oil-filter screen for the range hood comprises an edge part and a filter part. Thickness of the filter part is greater than thickness of the edge part. By the technical scheme, the thickness of the filter part is not restricted by the thickness of the edge part, and it is helpful for enhancing oil fume filter efficiency and/or oil fume filter effect at the filter part.
Description
[technical field]
The present invention relates to smoke exhaust ventilator and the tabular oil cleaner screen field for smoke exhaust ventilator.
[background technology]
The existing tabular oil cleaner screen for smoke exhaust ventilator, generally comprises edge portion and filter house, and edge portion is for being fixed to the housing of smoke exhaust ventilator by tabular oil cleaner screen, filter house is then for passing through for oil smoke and then realizing the filtration to oil smoke.Based on easily manufactured consideration, the thickness in the edge portion of existing tabular oil cleaner screen is generally equal with the thickness of its filter house, as application number be 200820203339.1 Chinese utility model patent and application number be the Chinese invention patent application of 200910040652.7.
In fact, the existing tabular oil cleaner screen structure for smoke exhaust ventilator also also exists certain defect, such as, for ensureing to be in same plane between the outer surface in tabular oil cleaner screen installation its edge portion rear and adjacent casing of cooker hood surface or to seamlessly transit, the thickness in edge portion is unsuitable excessive, thus the thickness of filter house is also restricted, and then may affect filtering oil smoke efficiency and/or the filtering oil smoke effect at filter house place.For another example, the thickness due to edge portion is also subject to the restriction of the thickness of filter house, the tabular oil cleaner screen that the thickness of filter house is different, because the thickness in their edge portion is also different, and then is difficult to be compatible with identical casing of cooker hood.
Unless there are the evidence support of abundance, otherwise prior art described here not meaning that admits that the those of ordinary skill of these prior aries for the field that the invention relates to before the applying date of the application is known.
[summary of the invention]
Main purpose of the present invention is, for smoke exhaust ventilator and the tabular oil cleaner screen for smoke exhaust ventilator, to propose a kind of improvement newly.
A kind of tabular oil cleaner screen for smoke exhaust ventilator that the present invention proposes, comprise edge portion and filter house, the thickness of described filter house is greater than the thickness in described edge portion.Adopt technical scheme of the present invention, the thickness of described filter house, not by the restriction of the thickness in described edge portion, contributes to the filtering oil smoke efficiency and/or the filtering oil smoke effect that promote described filter house place.In addition, also make the mounting structure of tabular oil cleaner screen can be more flexible, the different tabular oil cleaner screen of filter house thickness also can be compatible with identical casing of cooker hood, and then saves manufacturing cost.
Optionally, the thickness of described filter house is more than or equal to 1.5 times of the thickness in described edge portion.
Optionally, the thickness of described filter house is more than or equal to 2 times of the thickness in described edge portion.
Optionally, the thickness in described edge portion is less than or equal to 10mm.
Optionally, the thickness in described edge portion is less than or equal to 5mm.
Optionally, described filter house thickness be more than or equal to 10mm.
Optionally, described filter house thickness be more than or equal to 20mm.
Optionally, the first oil strain dictyosome and the second oil strain dictyosome is comprised; Described first oil strain dictyosome is provided with air inlet; Described second oil strain dictyosome is provided with air outlet; Described first oil strain dictyosome comprises the first board body part, and described air inlet is arranged at described first board body part; Described second oil strain dictyosome comprises the second board body part and the 3rd board body part relative to described second board body part projection, and described air outlet is arranged at described 3rd board body part.Here, the understanding of broad sense should be done for " the first board body part ", " the second board body part ", " the 3rd board body part ", it can be a flat board, also can be as application number has the plate body of certain radian for the entirety shown in the Chinese invention patent application of 200910040652.7, can also be other equivalent variations.In addition, for " the 3rd board body part relative to described second board body part projection ", be interpreted as: described 3rd board body part is protruding relative to described second board body part towards the direction away from described first board body part.Adopt technical scheme of the present invention, both can ensure that tabular oil cleaner screen is in same plane or seamlessly transits after installing between its outer surface and adjacent casing of cooker hood surface, the thickness of described filter house can be increased again.
Optionally, described air inlet and described air outlet are crisscross arranged.Like this, make the path of oil smoke become more tortuous, contribute to the filter effect promoting oil smoke.
Optionally, described first oil strain dictyosome adopts integrated formed structure; Described second oil strain dictyosome adopts integrated formed structure.
Optionally, between described first oil strain dictyosome and described second oil strain dictyosome, gap-forming has gap; Described air inlet, described air outlet all connect with described gap; The edge of described air inlet is provided with towards first flange in described gap; The edge of described air outlet is provided with towards second flange in described gap.Like this, make the path of oil smoke become more tortuous, contribute to the filter effect promoting oil smoke.
Optionally, the height of described first flange is more than or equal to 0.8 times of the thickness in described edge portion; The height of described second flange is more than or equal to 0.8 times of the thickness in described edge portion.The height of described first flange and the second flange is larger, and the path of oil smoke is then more tortuous, contributes to the filter effect promoting oil smoke.Thickness due to described filter house is greater than the thickness in described edge portion, the value that the height of described first flange and the height of described second flange can adopt existing technical scheme to adopt.
Optionally, the height of described first flange is more than or equal to the thickness in described edge portion; The height of described second flange is more than or equal to the thickness in described edge portion.The height of described first flange and the second flange is larger, and the path of oil smoke is then more tortuous, contributes to the filter effect promoting oil smoke.Thickness due to described filter house is greater than the thickness in described edge portion, the value that the height of described first flange and the second flange can adopt existing technical scheme not adopt.
The present invention also proposes a kind of smoke exhaust ventilator, comprises mounting frame, and described mounting frame comprises orthogonal binding face and bearing surface, and described smoke exhaust ventilator comprises the tabular oil cleaner screen as described in above any one; The edge portion of described tabular oil cleaner screen comprises orthogonal first plane and the second plane, and described first plane fits in described binding face, and described second plane is connected to described bearing surface; The thickness in described edge portion is equal with the width of described bearing surface.Here, the understanding of broad sense should be done for " thickness in described edge portion is equal with the width of described bearing surface ", can be equal in strict mathematical meaning, also can be equal in the error range that allows under being enough to realize the prerequisite of corresponding goal of the invention.Adopt technical scheme of the present invention, the thickness of described filter house, not by the restriction of the thickness in described edge portion, contributes to the filtering oil smoke efficiency and/or the filtering oil smoke effect that promote described filter house place.In addition, also make the mounting structure of tabular oil cleaner screen can be more flexible, the different tabular oil cleaner screen of filter house thickness also can be compatible with identical casing of cooker hood, and then saves manufacturing cost.
Optionally, described air outlet is arranged towards the inner side of described smoke exhaust ventilator.
Here need to give, it is noted that " first ", " second ", " the 3rd " that occur in this description is only for describing object, not to be used to indicate relative importance; And it neither defining the quantity of the feature that it limits.
Foregoing invention content of the present invention is not for describing all possible embodiments of the present invention.In whole application, many places provide guidance by enumerating example, and these examples may be used for various feasible combination.
[accompanying drawing explanation]
The following drawings only schematically illustrates the present invention and explains, not delimit the scope of the invention, wherein:
Fig. 1 is the structural representation of a kind of tabular oil cleaner screen embodiment for smoke exhaust ventilator that the present invention proposes;
Fig. 2 is another structural representation of a kind of tabular oil cleaner screen embodiment for smoke exhaust ventilator that the present invention proposes;
Fig. 3 is a structural representation again of a kind of tabular oil cleaner screen embodiment for smoke exhaust ventilator that the present invention proposes;
Fig. 4 is the sectional view along A-A line in Fig. 3;
Fig. 5 is the explosive view of a kind of tabular oil cleaner screen embodiment for smoke exhaust ventilator that the present invention proposes;
Fig. 6 is the structural representation of the housing of a kind of smoke exhaust ventilator embodiment that the present invention proposes;
Fig. 7 is another structural representation of the housing of a kind of smoke exhaust ventilator embodiment that the present invention proposes;
Fig. 8 is a kind of housing of smoke exhaust ventilator embodiment of proposing of the present invention and the assembly relation schematic diagram of tabular oil cleaner screen.
Reference numeral:
1-edge portion, 2-filter house, 3-first oil strain dictyosome, 4-second oil strain dictyosome, 5-air inlet, 6-air outlet, 7-first board body part, 8-second board body part, 9-the 3rd board body part, 10-the first side wall portion, 11-second sidewall portion, 12-gap, 13-first flange, 14-second flange, 15-binding face, 16-bearing surface, 17-first plane, 18-second plane, the movable snap close of 19-, 20-lug boss, 21-through hole.
[detailed description of the invention]
For making object of the present invention, scheme and beneficial effect clearly understand, below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
A kind of tabular oil cleaner screen embodiment for smoke exhaust ventilator that the present invention proposes, as shown in Fig. 1 to 5.This tabular oil cleaner screen comprises edge portion 1 and filter house 2.The thickness in edge portion 1 is 8mm.The thickness of filter house 2 be 14mm.Here need to be explained, the metering direction of the thickness in edge portion 1 and the thickness of filter house 2 is all the directions in Fig. 4 shown in arrow, that is the approximate flow directions of oil smoke.
This tabular oil cleaner screen comprises the first oil strain dictyosome 3 and the second oil strain dictyosome 4.As shown in Figure 4, between the first oil strain dictyosome 3 and the second oil strain dictyosome 4, gap-forming has gap 12.First oil strain dictyosome 3 adopts integrated formed structure; Second oil strain dictyosome 4 also adopts integrated formed structure.First oil strain dictyosome 3 comprises first board body part 7 and four the first side wall portions 10.First board body part 7 adopts rectangular configuration.Four the first side wall portions 10 are connected to four limits of the first board body part 7, and four the first side wall portions 10 are perpendicular with the first board body part 7 respectively.First board body part 7 is provided with nine air inlets 5.The edge of each air inlet 5 is all one-body molded to be had towards first flange 13 in gap 12.Here, " edge of air inlet 5 ", refers to the part for surrounding air inlet 5.Second oil strain dictyosome 4 comprises 11, one, four the second sidewall portions the second board body part 8 and the 3rd board body part 9 relative to the second board body part 8 projection.3rd board body part 9 is provided with eight air outlets 6.The edge of each air outlet 6 is all one-body molded to be had towards second flange 14 in gap 12.Here, " edge of air outlet 6 ", namely refers to the part for surrounding air outlet 6.Air inlet 5 and air outlet 6 are crisscross arranged, and then, along just seeing this tabular oil cleaner screen to the direction of each air outlet 6, air inlet 5 cannot be seen, as shown in Figure 3; Vice versa, namely along just seeing this tabular oil cleaner screen to the direction of each air inlet 5, also cannot see air outlet 6.The outline of the second board body part 8 is rectangular, and four the second sidewall portions 11 are connected to four limits of the second board body part 8, and four the second sidewall portions 11 are all perpendicular with the second board body part 8.Four the first side wall portions 10 and four the second sidewall portion 11 one_to_one corresponding, and each the first side wall portion 10 wraps the second sidewall portion 11 corresponding to it respectively, as shown in Figure 4.Each air inlet 5 all connects with gap 12.Each air outlet 6 also all connects with gap 12.Oil smoke through gap 12, and then flows out from air outlet 6 after flowing into from air inlet 5.
The edge portion 1 of this tabular oil cleaner screen comprises orthogonal first plane 17 and the second plane 18.With regard to the present embodiment, namely the first plane 17 is the outer surface of the second board body part 8, and namely the second plane 18 is the outer surface in the first side wall portion 10.
The housing of the smoke exhaust ventilator that the tabular oil cleaner screen shown in above-described embodiment is applied to, as shown in Figures 6 and 7.The tabular oil cleaner screen shown in three above-described embodiments is had to be installed on this housing altogether.The assembly relation schematic diagram of this housing and a tabular oil cleaner screen, as shown in Figure 8.This housing comprises four end to end mounting frame successively.These four mounting frame surround a rectangular enclosure.Each mounting frame includes orthogonal binding face 15 and bearing surface 16.First plane 17 of tabular oil cleaner screen fits in binding face 15, and the second plane 18 of tabular oil cleaner screen is connected to bearing surface 16.The thickness in edge portion 1 is equal with the width of bearing surface 16.What need here to be explained is, the metering direction of the width of bearing surface 16, identical with the metering direction of the thickness in edge portion 1 and the thickness of filter house 2, be namely the direction (when the tabular oil cleaner screen shown in Fig. 4 is installed on casing of cooker hood) in Fig. 4 shown in arrow.Eight air outlets 6 are all arranged towards the inner side of smoke exhaust ventilator.After having assembled, the 3rd board body part 9 inserts described rectangular enclosure, and therefore, user can't see the 3rd board body part 9.As shown in Figure 8, after a tabular oil cleaner screen is installed on housing, the outer surface of the first board body part 7 of this tabular oil cleaner screen and the surface of the housing at A place and C place are in same plane, seamlessly transit between the outer surface of the first board body part 7 of this tabular oil cleaner screen and the surface of the housing at B place meanwhile.Each tabular oil cleaner screen comprises two lug bosses 20 and a movable snap close 19 respectively, corresponding bearing surface 16 is provided with corresponding mounting groove, by coordinating of these two lug bosses 20 and movable snap close 19 and corresponding mounting groove, just tabular oil cleaner screen can be installed on casing of cooker hood.Particularly, two lug bosses 20 are shaped on the second oil strain dictyosome 4, the first oil strain dictyosome 3 are provided with two through holes, 21, two through holes 21 and two lug boss 20 one_to_one corresponding.Described through hole 21, passes for the lug boss 20 corresponding to it.
Below be only the preferred embodiments of the present invention, some technical characteristic modified or replaces the embodiment that can also obtain other.As, air inlet is not limited with nine, can be more; Also can be less, as (containing one and eight) between one to eight.For another example, air inlet is not also limited with eight, can be more; Also can be less, as (containing one and seven) between one to seven.For another example, can increase the height of the first flange further, the thickness that the height of the first flange is more than or equal to edge portion is also fine; Can also increase further the height of the second flange, the thickness that the height of the second flange is more than or equal to edge portion is also fine.Here need to be explained, the metering direction of the height of the first flange and the height of the second flange, identical with the metering direction of the thickness in edge portion and the thickness of filter house, be namely the direction in Fig. 4 shown in arrow.For another example, also can be the first side wall portion that each second sidewall sections does not wrap corresponding to it.For another example, the first plane also can be only a part for the outer surface of the second board body part.For another example, if the quantity of mounting frame also not necessarily four, with regard to the present embodiment, the mounting frame mounting frame of right side and left side (namely in Fig. 8) of closing on B place and D place in Fig. 8 can save.
Need annotated, the present invention should not be understood to be only limitted to embodiment described above, but should be understood to cover all possible performance that the claims in the present invention determine in conjunction with description disclosure.Therefore, every content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.Special needs to be pointed out is, anyly change bad application based on of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (15)
1., for a tabular oil cleaner screen for smoke exhaust ventilator, comprise edge portion (1) and filter house (2), it is characterized in that:
The thickness of described filter house (2) is greater than the thickness in described edge portion (1).
2. tabular oil cleaner screen according to claim 1, is characterized in that:
The thickness of described filter house (2) is more than or equal to 1.5 times of the thickness in described edge portion (1).
3. tabular oil cleaner screen according to claim 2, is characterized in that:
The thickness of described filter house (2) is more than or equal to 2 times of the thickness in described edge portion (1).
4. tabular oil cleaner screen according to claim 1, is characterized in that:
The thickness in described edge portion (1) is less than or equal to 10mm.
5. tabular oil cleaner screen according to claim 4, is characterized in that:
The thickness in described edge portion (1) is less than or equal to 5mm.
6. tabular oil cleaner screen according to claim 4, is characterized in that:
The thickness of described filter house (2) be more than or equal to 10mm.
7. tabular oil cleaner screen according to claim 6, is characterized in that:
The thickness of described filter house (2) be more than or equal to 20mm.
8. the tabular oil cleaner screen according to above any one claim, is characterized in that:
Comprise the first oil strain dictyosome (3) and the second oil strain dictyosome (4);
Described first oil strain dictyosome (3) is provided with air inlet (5);
Described second oil strain dictyosome (4) is provided with air outlet (6);
Described first oil strain dictyosome (3) comprises the first board body part (7), and described air inlet (5) is arranged at described first board body part (7);
Described second oil strain dictyosome (4) comprises the second board body part (8) and three board body part (9) protruding relative to described second board body part (8), and described air outlet (6) is arranged at described 3rd board body part (9).
9. tabular oil cleaner screen according to claim 8, is characterized in that:
Described air inlet (5) and described air outlet (6) are crisscross arranged.
10. tabular oil cleaner screen according to claim 8, is characterized in that:
Described first oil strain dictyosome (3) adopts integrated formed structure;
Described second oil strain dictyosome (4) adopts integrated formed structure.
11. tabular oil cleaner screens according to claim 8, is characterized in that:
Between described first oil strain dictyosome (3) and described second oil strain dictyosome (4), gap-forming has gap (12);
Described air inlet (5), described air outlet (6) all connect with described gap (12);
The edge of described air inlet (5) is provided with towards first flange (13) of described gap (12);
The edge of described air outlet (6) is provided with towards second flange (14) of described gap (12).
12. tabular oil cleaner screens according to claim 11, is characterized in that:
The height of described first flange (13) is more than or equal to 0.8 times of the thickness in described edge portion (1);
The height of described second flange (14) is more than or equal to 0.8 times of the thickness in described edge portion (1).
13. tabular oil cleaner screens according to claim 12, is characterized in that:
The height of described first flange (13) is more than or equal to the thickness in described edge portion (1);
The height of described second flange (14) is more than or equal to the thickness in described edge portion (1).
14. 1 kinds of smoke exhaust ventilators, comprise mounting frame, and described mounting frame comprises orthogonal binding face (15) and bearing surface (16), it is characterized in that:
Described smoke exhaust ventilator comprises tabular oil cleaner screen as in any one of the preceding claims;
The edge portion (1) of described tabular oil cleaner screen comprises orthogonal first plane and the second plane, and described first plane fits in described binding face (15), and described second plane is connected to described bearing surface (16);
The thickness in described edge portion (1) is equal with the width of described bearing surface (16).
15. smoke exhaust ventilators according to claim 14, is characterized in that:
Described air outlet (6) is arranged towards the inner side of described smoke exhaust ventilator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208023.7A CN104214805A (en) | 2013-05-29 | 2013-05-29 | Range hood and plate-shaped oil-filter screen for range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310208023.7A CN104214805A (en) | 2013-05-29 | 2013-05-29 | Range hood and plate-shaped oil-filter screen for range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104214805A true CN104214805A (en) | 2014-12-17 |
Family
ID=52096565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310208023.7A Pending CN104214805A (en) | 2013-05-29 | 2013-05-29 | Range hood and plate-shaped oil-filter screen for range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104214805A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946844Y (en) * | 2006-08-25 | 2007-09-12 | 马利华 | Oil smoke filter with baffle installed with reinforced rib |
| CN201059651Y (en) * | 2006-12-22 | 2008-05-14 | 博西华电器（江苏）有限公司 | Oil collecting device and cooking fume exhauster equipping same |
| CN201448907U (en) * | 2009-06-18 | 2010-05-05 | 海尔集团公司 | Intake air filtering board for smoke ventilator |
| DE102009023241A1 (en) * | 2009-05-30 | 2011-04-07 | Adek Bauteile Gmbh | Filter device for filtering fat particles in e.g. food-wall extractor bonnet, in kitchen area, has air guiding device guiding air flow in air flow unit through filter element from outer and inner sides and from filter interior to outside |
| CN102261686A (en) * | 2010-05-25 | 2011-11-30 | 樱花卫厨（中国）股份有限公司 | Oil filter device for range hood |
| EP2469187A1 (en) * | 2010-12-22 | 2012-06-27 | BSH Bosch und Siemens Hausgeräte GmbH | Filter unit for a extractor hood |
| CN202581491U (en) * | 2012-05-11 | 2012-12-05 | 博西华电器（江苏）有限公司 | Kitchen ventilator and affiliated filter device |
-
2013
- 2013-05-29 CN CN201310208023.7A patent/CN104214805A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946844Y (en) * | 2006-08-25 | 2007-09-12 | 马利华 | Oil smoke filter with baffle installed with reinforced rib |
| CN201059651Y (en) * | 2006-12-22 | 2008-05-14 | 博西华电器（江苏）有限公司 | Oil collecting device and cooking fume exhauster equipping same |
| DE102009023241A1 (en) * | 2009-05-30 | 2011-04-07 | Adek Bauteile Gmbh | Filter device for filtering fat particles in e.g. food-wall extractor bonnet, in kitchen area, has air guiding device guiding air flow in air flow unit through filter element from outer and inner sides and from filter interior to outside |
| CN201448907U (en) * | 2009-06-18 | 2010-05-05 | 海尔集团公司 | Intake air filtering board for smoke ventilator |
| CN102261686A (en) * | 2010-05-25 | 2011-11-30 | 樱花卫厨（中国）股份有限公司 | Oil filter device for range hood |
| EP2469187A1 (en) * | 2010-12-22 | 2012-06-27 | BSH Bosch und Siemens Hausgeräte GmbH | Filter unit for a extractor hood |
| CN202581491U (en) * | 2012-05-11 | 2012-12-05 | 博西华电器（江苏）有限公司 | Kitchen ventilator and affiliated filter device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6275163B2 (en) | Electronic control unit housing structure | |
| CN208349374U (en) | Smoke exhaust ventilator | |
| KR20140047566A (en) | Thin-type outside-expelling-and-inside-circulating-style smoke exhaust ventilator | |
| CN101868136A (en) | Electronic device | |
| CN102480901B (en) | Airflow guiding structure and apply its electronic installation | |
| CN104214805A (en) | Range hood and plate-shaped oil-filter screen for range hood | |
| WO2015074350A1 (en) | Draught fan structure and central air-conditioner cooling system applying same | |
| JP2009196628A (en) | Cover for air filter, and air filter housing | |
| US20120111197A1 (en) | Filter rack, filter assembly, and method of filtering air | |
| CN204704163U (en) | Fan component and indoor apparatus of air conditioner | |
| CN106016523B (en) | Indoor air purifier | |
| CN104421992A (en) | Shell of range hood, manufacturing method of shell of range hood, and range hood | |
| CN210769085U (en) | Air filter element, air filter and engine | |
| KR102174363B1 (en) | Separate type cross flow slim type cooling module | |
| CN207686874U (en) | A kind of through type air cleaner | |
| JP5946783B2 (en) | Air cleaner | |
| JP3185223U (en) | Wiring management structure for cabinet | |
| CN211293235U (en) | A ventilated membrane dustproof construction for car radar | |
| JP5972803B2 (en) | In-vehicle control device | |
| CN110685833A (en) | Air filter element, air filter and engine | |
| EP3633284A1 (en) | Duct connection port and ventilation device | |
| CN211422870U (en) | Self-cleaning air compressor | |
| CN201798688U (en) | Dust collector with exhaust air filter | |
| CN214746113U (en) | Air conditioner filter screen assembly | |
| CN218787597U (en) | New fan of side direction air inlet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141217 |