CN100406103C - Air filter - Google Patents
Air filter Download PDFInfo
- Publication number
- CN100406103C CN100406103C CNB200480000010XA CN200480000010A CN100406103C CN 100406103 C CN100406103 C CN 100406103C CN B200480000010X A CNB200480000010X A CN B200480000010XA CN 200480000010 A CN200480000010 A CN 200480000010A CN 100406103 C CN100406103 C CN 100406103C
- Authority
- CN
- China
- Prior art keywords
- rib
- air cleaner
- filter
- stiffener
- net
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to an air filter. More than two nets are arranged on at least the downstream side of a filter assembly and are contained in a filter frame; at least one end of each net is bent to form more than two ribs; a reinforcing plate is arranged along the ribs; and the ribs are mutually butted with each other at the back sides and are fixed on the filter frame. Consequently, the strength of the nets is greatly improved; because of the arrangement of the nets, the air filter can effectively prevent the heavy filter assembly from deforming towards the downstream side direction due to the macro-scale operation of an air filter and the area enlargement of a filter medium, and can prevent filtering material form damage.
Description
Technical field
For example the present invention relates to be used to build the liquid crystal semiconductor production with the air cleaner of super clean space such as toilet.
Background technology
Before, the liquid crystal semiconductor production with the structure of toilet is, air cleaner is arranged on the whole ceiling, utilizes large-scale fan to make air circulation.As such air cleaner, be to adopt the air cleaner that is of a size of vertical 610mm * horizontal 610mm before.Filter material safeguard measure as air cleaner; open shown in the clear 57-73363 communique as Japan is real; be length direction two sides at filter paper with wavy rivel; paste brown paper, open in its bottom surface and establish the strengthening part that constitutes by wire netting, simultaneously; in order further to strengthen this strengthening part; in the both sides of wire netting are provided with joggling part and built in items, perhaps except above-mentioned joggling part, also crimping is set in the par of wire netting.
Recently, in order to make the toilet of low price, reduce the aluminium amount of on ceiling, using, and the minimizing fan amount relevant, adopted the large-scale air filter of 4 feet of vertical 4 feet * horizontal strokes etc. with number of filters.The air cleaner that this is large-scale, when its horizontal positioned ground was used, owing to reasons such as deadweight and blast, filter pack can produce big distortion, and should distortion can cause the breakage of filter material, so the solution of this problem becomes problem.
But; in the filter material safeguard measure that above-mentioned communique discloses; just the liner plate that forms with synthetic resin is being provided with joggling part or being provided with joggling part and the wire netting of crimping is bonded on the aforementioned brown paper; its stiffening effect is little; the distortion that deadweight and blast cause is big, can not prevent the filter material distortion of large-scale air filter.
In order to address this problem, No. 3337676 communique of Japan Patent disclosed a kind of air cleaner.In this air cleaner, filter pack constitutes by having the filter material that is folded into the bended rivel, downstream at least at this filter pack, set net, at the rib that is provided with on this net more than 1 or 1, imbedding in the grooving that is arranged on the filter frame madial wall around this net.This air cleaner, because imbedding in the grooving that is fixed on the filter frame madial wall around the net, so, improved the bulk strength of net, can prevent the distortion and the protection filter material of filter pack.
But; in the large-scale air cleaner; because the deadweight of filter pack itself is very big; and the blast that acts on the filter pack is also very big; so, after using between long-term, especially the central portion branch of filter pack side direction is sagging significantly towards downstream because of deadweight; in order to prevent the distortion of filter pack chronically, must improve the safeguard measure of filter material.
Summary of the invention
For this reason, the purpose of this invention is to provide a kind of air cleaner, even this air cleaner is for vertical 4 feet * horizontal 4 feet big type filter, also can keep such before uniform wind speed and collection efficiency of blowing out, the pressure loss does not raise, the filter material breakage that can prevent the distortion of filter pack more effectively and cause is therefrom used between energy is long-term.
To achieve these goals, the air cleaner of technical solution of the present invention 1 record, downstream at least at filter pack, set the net more than two or two and be housed in the filter frame, it is characterized in that, at least one end bending of above-mentioned net, form the rib more than two or two, along this rib stiffener is set, the back side of above-mentioned rib is docked mutually and is fixed on the filter frame, turned back in the end of above-mentioned rib, between this reflex part and rib, dispose stiffener, the stiffener crimping is fixed on the above-mentioned rib with above-mentioned reflex part.
In addition, the air cleaner of technical scheme 2 records is in the air cleaner of technical scheme 1 record, it is characterized in that above-mentioned filter assemblies is to constitute by having the filter material that is folded into the bended rivel, and above-mentioned rib is parallel to the rivel of this filter material.
In addition, the air cleaner of technical scheme 3 record is in the air cleaner of technical scheme 2 records, it is characterized in that, above-mentioned rib submerges in the crease of rivel of above-mentioned filter material.
In addition, the air cleaner of technical scheme 4 records is in the air cleaner of technical scheme 1 record, it is characterized in that, is turned back in the end of above-mentioned rib with acutangulating, forms reflex part.
In addition, the air cleaner of technical scheme 5 record is in the air cleaner of technical scheme 1 record, it is characterized in that, the thickness of establishing above-mentioned air cleaner is the height of X, above-mentioned rib when being X1, and X1/X is 1/5～2/3.
In addition, the air cleaner of technical scheme 6 records is in the air cleaner of technical scheme 1 record, it is characterized in that the thickness of above-mentioned stiffener is 0.5mm～2mm.
In addition, the air cleaner of technical scheme 7 records is in the air cleaner of technical scheme 1 record, it is characterized in that above-mentioned stiffener is the metal making sheet of corrosion resistance.
In addition, the air cleaner of technical scheme 8 records is in the air cleaner of technical scheme 1 record, it is characterized in that at least one pair of end of above-mentioned net is imbedded in the grooving that is fixed on the filter frame.
Description of drawings
Fig. 1 is the plane of the air cleaner of the expression embodiment of the invention.
Fig. 2 is a key diagram of fixing the stiffener state on the rib of representing in embodiments of the present invention.
Fig. 3 is the local amplification profile diagram of expression along the III-III line of air cleaner shown in Figure 1.
Fig. 4 is the figure that the expression embodiment of the invention and routine before filter material are out of shape in time.
Fig. 5 is the sectional drawing of air cleaner before.
The specific embodiment
Air cleaner of the present invention, downstream at least at filter pack, set the net more than 2 or 2 and be housed in the filter frame, it is characterized in that, at least one end bending of above-mentioned net, form the rib more than 2 or 2, stiffener is set, the back side of above-mentioned rib is docked mutually and is fixed on the filter frame along this rib.
Air cleaner of the present invention is bent to form rib with net, along this rib stiffener is set, and, the back side of the above-mentioned rib more than 2 or 2 is docked mutually, be fixed on the filter frame, like this, can improve the intensity of net greatly.Therefore, when air cleaner of the present invention is the large-scale air filter of vertical 916mm or above, thickness 30～290mm, because of rib and stiffener have improved the net of intensity, can prevent the distortion of side direction towards downstream of the big filter pack of weight chronically, prolong the life-span of air cleaner.
Above-mentioned filter pack is to form like this: the filter material of glass fibre system, synthetic resin fiber system, PTFE system etc. is folded into bended, at this moment, insert the waveform anti-balloon plate, keep the interval between the filter material goffering portion, perhaps, before above-mentioned filter material is folding, in advance banded heatmeltable resin is coated in the bearing of trend of filter material, form maintaining part at interval, keep the interval between the goffering portion.
In the above-mentioned filter pack,, be fixed on the filter frame with bonding agent handle and the filter material rivel that is folded into bended both ends parallel, linearity.With the bended both ends of airtight sealing material handle, be fixed on the filter frame with the rivel orthogonal of filter material.
Above-mentioned filter frame can use the wooden plate of the resin making sheet, plywood etc. of the extrusion molding resin making sheet such as metal making sheet, PC etc. of aluminium, stainless steel etc.
Above-mentioned net, can used thickness 0.5mm above, aperture opening ratio are 30～80% resin system or metal steel wire etc.
Above-mentioned net with at least one pair of end of net, is imbedded in the grooving that is fixed on the filter frame madial wall, can improve the bulk strength of net.
Above-mentioned net to the bending of major general one end, forms at least 1 root on a slice net.Again the back side of the rib of net is docked mutually, can improve the stiffening effect of rib.For example, when two nets of the downstream of air cleaner configuration, in order to prevent filter pack side direction distortion towards downstream effectively, each end bending of two nets is formed 2 roots, the formation rib is docked at the back side of this 2 root mutually, and this rib is configured in the central portion of filter pack at least.And for example, when setting three nets in the downstream of air cleaner, the bending of the two ends of the net that is configured in central portion, on a slice net, form 2 roots, an end of the net that is configured in both sides is bent, form 1 root respectively, the rib on the both ends of the net that is configured in central portion, with the rib on the end of the net that is configured in both sides, dock mutually at the back side, form the docking section, this docking section is preferably formed in the both sides of filter pack.In addition, also can use some nets, with of the uniformly-spaced configuration of above-mentioned docking section with 50～100mm.
With at least one pair of end of above-mentioned net, imbed in the grooving that is fixed on the filter frame madial wall, can improve the bulk strength of net.
In addition, when the rivel of the filter material of above-mentioned rib and filter pack was disposed abreast, air flowed to the downstream along rib from upstream side, so, can suppress the turbulent flow of air.
In addition, when submerging above-mentioned rib in the crease of rivel of filter material, can utilize the space of submerging to guarantee the height of rib, also can guarantee width (height when establishing stiffener), can improve the intensity of net more along rib is upright along the stiffener of rib configuration.
In addition, the height of establishing above-mentioned rib is X1, and when the thickness of air cleaner was X, X1/X was preferably 1/5～2/3.
If above-mentioned X1/X less than 1/5, then the stiffening effect of rib is little, can not improve the intensity of net, so the long-term use through more than a year can not prevent the distortion of filter pack.
The toilet of air cleaner to be installed, in order sterilizing etc., to use organic gas sometimes, this gas often has corrosivity, so, above-mentioned stiffener preferably stainless steel, through the corrosion-resistant metal making sheet such as aluminium of aluminium surface passivation facture processing.
The thickness of above-mentioned stiffener is preferably 0.5mm～2mm.If the not enough 0.5mm of the thickness of stiffener, then stiffening effect is little.If surpass 2mm, then improved the pressure loss.
In addition, above-mentioned stiffener, be to be turned back in the end of above-mentioned rib, the stiffener crimping is fixed on the plane of rib with this reflex part, because with rib and reflex part stiffener being involved in rib fixes, so, by rib, reflex part and stiffener, the thickness of the rib of strengthening net is increased, can improve the intensity of net more.Therefore, along with the process of time, filter pack is prevented by above-mentioned net steadily in the long term because of the sagging gradually distortion towards air downstream direction that deadweight causes.
In addition, stiffener is to use the reflex part crimping of the end of rib being turned back and forming to be fixed on the rib, so, not resembling when being installed in stiffener on the rib with bolt, rivet etc., bolt etc. goes out and cause airflow obstruction from costal process, and is not disorderly by the air-flow of air cleaner, can not form the dead zone.In addition, do not resemble when being welded on stiffener on the net yet, owing to the welding level cause product inhomogeneous, product percent of pass height and stay-in-grade air cleaner can be provided.Like this, when forming reflex part in the end of rib, in the face of filter material, filter material can not damaged by the section of net the section of net.
The end of above-mentioned rib turned back with acutangulating and when forming reflex part, the air that in air cleaner, circulates not with the end face collision of stiffener, but flow along the reflex part of acute angle, so, can reduce the rising of the pressure loss of air cleaner.
Above-mentioned rib and stiffener, its both ends can be fixed on the filter frame with the sealing material with filter pack.In addition, when above-mentioned rib and stiffener are imbedded in the grooving that is fixed on the filter frame madial wall, because rib and stiffener be securely fixed on the filter frame, so, increase the intensity of net, improve stiffening effect.
Embodiment
Below, with reference to the description of drawings embodiments of the invention.Fig. 1 is the plane of the air cleaner of expression one embodiment of the invention.Fig. 2 is illustrated in the key diagram of fixing the stiffener state on the rib.Fig. 3 is the local amplification profile diagram of expression along III-III line among Fig. 1.Fig. 5 is the sectional drawing of air cleaner before.
Embodiment 1:
Among Fig. 1,1 expression air cleaner is the large-scale air filter that is of a size of 1220mm * 1220mm, thickness 75mm in length and breadth.Two steel wires 30 that are about 70% aluminum by the aluminum filter frame 20 of the filter pack 10 of folding wide 65mm, thickness 15mm and thickness 1mm, aperture opening ratio constitute.
Constitute the glass fibre system filter material 11 of above-mentioned filter pack 10, be folded into bended, with fixing between their crease, keep at interval folding with banded hot-melt resin.
Two steel wires 30,30, one end are formed the rib 31 of height 30mm by vertically bending with erecting, and the rivel of this rib 31 and filter material 11 submerges between the crease of rivel of filter material 11 abreast.
As shown in Figure 2, turned back in the end of rib 31, form the reflex part 31a of about 30 degree acute angles, along the stiffener 32 of the stainless steel of rib 31 configurations, the thickness of this stiffener is 1mm, and width conforms to the height of rib and is 28mm.From the top of reflex part 31a,, stiffener 32 is involved in reflex part 31a pressurization towards the rib direction with reflex part 31a, stiffener 32 crimping are fixed on the rib 31.
Then, as shown in Figure 3, in the mode of the central portion that passes filter pack 10, the back side of the rib 31,31 that is formed on two steel wire 30,30 1 ends is docked mutually, form the docking section 33 of these ribs 31,31, steel wire 30,30 is configured in the downstream of filter pack.The end of the steel wire 30,30 parallel, imbed in the grooving 25 in madial wall 21,22 downstreams that are fixed on filter frame 20 with rib 31,31.With the end of the steel wire 30,30 of rib 31,31 orthogonals, with rib 31 and stiffener 32, with sealing material 13 with filter pack 10 sealing and fixing on the madial wall 23,24 of filter frame 20.Like this, because rib 31 and stiffener 32 are fixed on the madial wall 23,24 of filter frame 20, so, by rib 31 and stiffener 32, can improve the intensity of steel wire 30,30.
Embodiment 2:
Adopt the material same with the air cleaner of embodiment 1, the air cleaner of size, the height of rib is 11 mm, and the width of stiffener conforms to the height of rib, is about 8mm, and remaining condition is identical with embodiment 1.
Routine before:
Adopt the material same with the air cleaner of embodiment 1, the air cleaner of size, as shown in Figure 5, stiffener is not set on rib 31, all the other conditions are identical with embodiment 1.
To the foregoing description 1,2 and routine before air cleaner, with each air cleaner horizontal positioned, measure the distortion of the filter pack after 1 month, 3 months, 6 months, 1 year, confirm the damage situation of filter material.The distortion of this filter pack is that the filter frame end of downstream side with the air cleaner of horizontal positioned is a benchmark, with the length measurment filter pack from this benchmark the sagging deflection towards air cleaner downstream direction.Fig. 4 represents that embodiment 1 reaches the deformation state of the filter material of the air cleaner of example before, and table 1 expression embodiment 1,2 reaches the deformation state result of the filter material of the air cleaner of example before.
Table 1
As table 1 and shown in Figure 4, among the embodiment 1, the ratio X1/X of the height X1 of rib and air cleaner thickness X is 1/5 or above (X1/X be 0.2 or more than), on rib, be provided with stiffener, maximization along with air cleaner, the distortion of the filter pack that has increased the weight of because of the filter material enlarged areas is by for a long time, prevent effectively.That is, the air cleaner of embodiment 1, even horizontal positioned after 1 year, the distortion of filter pack also has only about 5mm, filter material does not have breakage yet.This is because the enlarged in thickness of the rib that is made of reflex part that is formed on rib on the net, rib and stiffener, be used to strengthen net, and this rib and stiffener are fixed on the filter frame, so, can improve the intensity of net greatly.
Shown in embodiment 2, when on the rib of net, stiffener being set,, can improve the intensity of net by the stiffening effect of rib and stiffener, after 3 months, the distortion of filter pack is suppressed at about 4mm in horizontal positioned.But, when the height X1 of rib and air cleaner thickness X than X1/X less than 1/5 time, long-time through more than 1 year can not prevent the distortion of filter pack, through 6 months the time, the distortion of filter pack is bigger, reaches 18mm, the filter material breakage.
On the other hand, as table 1 and shown in Figure 4, before in the example, on net, only form rib, stiffener is not set, so, the stiffening effect of rib is little, can not improve the intensity of net significantly, so, in horizontal positioned after 1 month, the distortion of filter pack is bigger, reach 18mm, can not prevent the distortion of filter pack, the filter material breakage.
In addition, embodiment 1,2 and before in the example, before the filter material breakage, that can realize air cleaner blows out wind speed uniformly, and at embodiment 1,2 and before in the example, collection efficiency is not variation all, by rib and stiffener being set, the rising of the pressure loss unconfirmed.
Air cleaner of the present invention, downstream at least at filter pack, set the net more than two or two and be housed in the filter frame, it is characterized in that, at least one end bending of above-mentioned net, form the rib more than two or two, stiffener is set, the back side of above-mentioned rib is docked mutually and is fixed on the filter frame along this rib.
Air cleaner of the present invention is strengthened above-mentioned rib by stiffener, simultaneously the back side of rib is docked mutually and is fixed on the filter frame, can improve stiffening effect, improves the intensity of net greatly.Therefore, according to air cleaner of the present invention, in the large-scale air filter of vertical 916mm or above, thickness 30～290mm, improve the intensity of net with rib and stiffener, improve the net of intensity by this, can prevent the side direction distortion towards downstream of heavy filter pack chronically.
Turned back in the end of above-mentioned rib, form reflex part, when with this reflex part the stiffener crimping being fixed on the plane of net, by above-mentioned rib, reflex part and stiffener, the thickness of the reinforcing section of strengthening net is increased, improve the intensity of net more, can prevent the distortion of filter pack and the breakage of filter material effectively.
In addition, turned back in the end of above-mentioned rib with acutangulating, when forming reflex part, because above-mentioned rib is that side is the shape of inclined at acute angles towards downstream at the upstream side of air cleaner, so, air is guided by above-mentioned reflex part, from the upstream side of air cleaner along rib and stiffener effluent is logical towards downstream, can prevent that the pressure loss of air cleaner from rising.
In addition, when the ratio X1/X of the height X1 of above-mentioned rib and the thickness X of air cleaner is 1/5～2/3, the pressure loss of air cleaner does not rise, stiffening effect by rib and stiffener, improve the intensity of net, even place long-time more than 1 year, also can prevent to become the distortion of the filter pack that has weighed because of air cleaner maximizes.
Claims (8)
1. air cleaner in the downstream at least of filter pack, sets the net more than two or two and is housed in the filter frame, it is characterized in that,
At least one end bending described net forms the rib more than two or two, along this rib stiffener is set, and the back side of described rib is docked mutually and is fixed on the filter frame,
Turned back in the end of described rib, between this reflex part and described rib, dispose stiffener, the stiffener crimping is fixed on the described rib with described reflex part.
2. air cleaner as claimed in claim 1 is characterized in that, described filter pack is to constitute by having the filter material that is folded into the bended rivel, and described rib is parallel to the rivel of this filter material.
3. air cleaner as claimed in claim 2 is characterized in that, described rib submerges in the crease of rivel of described filter material.
4. air cleaner as claimed in claim 1 is characterized in that, is turned back in the end of described rib with acutangulating, forms described reflex part.
5. air cleaner as claimed in claim 1 is characterized in that, the thickness of establishing described air cleaner is the height of X, described rib when being X1, and X1/X is 1/5～2/3, and wherein X and X1 are equal number unit.
6. air cleaner as claimed in claim 1 is characterized in that the thickness of described stiffener is 0.5mm～2mm.
7. air cleaner as claimed in claim 1 is characterized in that, described stiffener is the metal making sheet of corrosion resistance.
8. air cleaner as claimed in claim 1 is characterized in that, at least one pair of end of described net is imbedded in the grooving that is fixed on the filter frame.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/001724 WO2005077492A1 (en) | 2004-02-17 | 2004-02-17 | Air filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1705503A CN1705503A (en) | 2005-12-07 |
| CN100406103C true CN100406103C (en) | 2008-07-30 |
Family
ID=34857546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200480000010XA Expired - Fee Related CN100406103C (en) | 2004-02-17 | 2004-02-17 | Air filter |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4456075B2 (en) |
| KR (1) | KR100945633B1 (en) |
| CN (1) | CN100406103C (en) |
| WO (1) | WO2005077492A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422592A (en) * | 2016-06-23 | 2017-02-22 | 苏州骏发精密机械有限公司 | Clamp for fixing filter in pipeline |
| CN110214044A (en) * | 2017-01-30 | 2019-09-06 | 曼·胡默尔有限公司 | Filter element with optimization flow control |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200465648Y1 (en) * | 2012-09-03 | 2013-03-06 | 한국코엔주식회사 | Air filter |
| CN105582753B (en) * | 2016-02-29 | 2020-04-17 | 黄浩 | Layered assembled air purification device |
| KR101998031B1 (en) * | 2018-06-29 | 2019-07-08 | 닛토덴코 가부시키가이샤 | Air filter unit and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07241421A (en) * | 1994-03-08 | 1995-09-19 | Daikin Ind Ltd | Filter |
| CN2244647Y (en) * | 1995-08-08 | 1997-01-08 | 天津市宇华净化设备厂 | Air filter |
| CN2297237Y (en) * | 1997-05-15 | 1998-11-18 | 烟台顿汉布什工业有限公司 | Detachable filter |
| CN2303673Y (en) * | 1997-05-15 | 1999-01-13 | 烟台顿汉布什工业有限公司 | Detachable filtering device |
| JP3337676B2 (en) * | 1999-06-24 | 2002-10-21 | 日本無機株式会社 | Air filter |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110740Y2 (en) * | 1980-10-24 | 1986-04-05 | ||
| JPS57169417U (en) * | 1982-03-23 | 1982-10-25 | ||
| JPS63115424U (en) * | 1987-01-23 | 1988-07-25 | ||
| JP4258787B2 (en) | 1997-04-07 | 2009-04-30 | 株式会社 ダイサン | Injection mold and its molded products |
| JP3325554B2 (en) * | 2000-06-14 | 2002-09-17 | 日本無機株式会社 | Air filter |
| KR100848259B1 (en) | 2000-11-29 | 2008-07-25 | 이후근 | Filter media pressed impregnated activated carbon on the nonwoven fiber, Method manufacturing the filter media and Method manufacturing chemical filter comprising the filter media |
| JP3568935B2 (en) * | 2002-01-22 | 2004-09-22 | フロンティア産業株式会社 | Air filter |
| KR200353553Y1 (en) | 2004-03-17 | 2004-06-18 | 엘지전자 주식회사 | A suction unit of vacuum cleaner |
-
2004
- 2004-02-17 JP JP2005512259A patent/JP4456075B2/en not_active Expired - Lifetime
- 2004-02-17 WO PCT/JP2004/001724 patent/WO2005077492A1/en active Application Filing
- 2004-02-17 CN CNB200480000010XA patent/CN100406103C/en not_active Expired - Fee Related
- 2004-02-17 KR KR1020047008924A patent/KR100945633B1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07241421A (en) * | 1994-03-08 | 1995-09-19 | Daikin Ind Ltd | Filter |
| CN2244647Y (en) * | 1995-08-08 | 1997-01-08 | 天津市宇华净化设备厂 | Air filter |
| CN2297237Y (en) * | 1997-05-15 | 1998-11-18 | 烟台顿汉布什工业有限公司 | Detachable filter |
| CN2303673Y (en) * | 1997-05-15 | 1999-01-13 | 烟台顿汉布什工业有限公司 | Detachable filtering device |
| JP3337676B2 (en) * | 1999-06-24 | 2002-10-21 | 日本無機株式会社 | Air filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422592A (en) * | 2016-06-23 | 2017-02-22 | 苏州骏发精密机械有限公司 | Clamp for fixing filter in pipeline |
| CN110214044A (en) * | 2017-01-30 | 2019-09-06 | 曼·胡默尔有限公司 | Filter element with optimization flow control |
| CN110214044B (en) * | 2017-01-30 | 2021-10-22 | 曼·胡默尔有限公司 | Filter element with optimized flow control |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060120295A (en) | 2006-11-27 |
| KR100945633B1 (en) | 2010-03-04 |
| WO2005077492A1 (en) | 2005-08-25 |
| JP4456075B2 (en) | 2010-04-28 |
| JPWO2005077492A1 (en) | 2010-05-27 |
| CN1705503A (en) | 2005-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100406103C (en) | Air filter | |
| CN110337961A (en) | A kind of photovoltaic agricultural greenhouse | |
| SE504012C2 (en) | Beam | |
| CN107086845A (en) | A kind of deflector of photovoltaic plant waterborne | |
| CN212105025U (en) | Vertical rod for building climbing frame | |
| CN209412979U (en) | A kind of H profile steel beam and the unilateral affixed mechanism of H profile steel beam | |
| CN112619301B (en) | Filter with partition plate | |
| CN211559416U (en) | Aluminum profile with improved structure for all-aluminum furniture | |
| CN217321174U (en) | High-strength corrugated packaging box | |
| AT402114B (en) | SOLAR PANEL | |
| CN214412654U (en) | Non-deformable's photovoltaic aluminium frame aluminum product | |
| TW200528177A (en) | Air filter | |
| CN221258116U (en) | Flange cover structure | |
| CN217812625U (en) | Aluminum alloy profile workshop | |
| CN2152385Y (en) | Knapsack sorting screen for combine harvester | |
| CN212987444U (en) | Outdoor unit casing, air conditioner outdoor unit and air conditioner | |
| CN213077777U (en) | Concatenation type flue gas filtration equipment convenient to production equipment | |
| CN220257498U (en) | PTFE has baffle filter | |
| CN220531208U (en) | Wet flue gas desulfurization gas-liquid equipartition device | |
| CN211328608U (en) | Chemical filter | |
| CN219565281U (en) | Connecting support | |
| CN212004914U (en) | Windproof bracket and LED display screen | |
| CN213305342U (en) | Portable folding photovoltaic module | |
| CN214609778U (en) | Pin-connected panel conveying line frame construction | |
| CN217183218U (en) | Photovoltaic panel support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20170217 |