WO2017144170A1 - Stützkäfig für ein filterelement, filterelement und verwendung für ein solches filterelement - Google Patents
Stützkäfig für ein filterelement, filterelement und verwendung für ein solches filterelement Download PDFInfo
- Publication number
- WO2017144170A1 WO2017144170A1 PCT/EP2017/000244 EP2017000244W WO2017144170A1 WO 2017144170 A1 WO2017144170 A1 WO 2017144170A1 EP 2017000244 W EP2017000244 W EP 2017000244W WO 2017144170 A1 WO2017144170 A1 WO 2017144170A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cage
- support cage
- diamond
- filter element
- openings
- Prior art date
Links
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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- 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
-
- 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
Definitions
- the invention relates to a support cage for a filter element, a filter element and a use of such a filter element.
- a method for producing a filter element is known. 1, 2, 3 and 4 describe the shape of a support cage (there "outer cylindrical member 58") for a filter element
- the cage wall serves to restrain or support a filter material (there fibrous filter material 46).
- the cage wall shown there is hohizylinderförmig and is thus formed in each cross section perpendicular to its longitudinal axis annular.
- the cage wall has a plurality of rectangular openings and is made of a plastic.
- the invention was based on the object to increase the rigidity of the support cage and / or to increase its flow area.
- Cage wall diamond-shaped form It has been shown that in a cage wall made of plastic, the rigidity of such a cage wall made of plastic can be increased. In addition, the diamond shape creates an opening profile that does not have right angles. This fact can be used to avoid the formation of nicks or cracks at the corners of the side surfaces delimiting the openings. The increased rigidity makes it possible to narrow the webs between the openings and thus to increase the flow area of the support cage.
- the support cage has a base body. This body extends along a longitudinal axis from an upper end to a lower end. In this case, the base body forms a cage wall between the upper end and the lower end. At least in one cross section, particularly preferably in the majority of the cross sections and very particularly preferably in all cross sections perpendicular to the longitudinal axis, the cage wall is annular. In particular, it is preferably annular in shape, with an elliptical ring shape or a rectangular ring shape are conceivable. In a preferred embodiment, the majority of the annular cross-sections, particularly preferably all annular cross-sections of the same shape, namely the same geometry and the same size.
- the cross-sectional size of the support cage tapers or widens in the direction of the upper end or in the direction of the lower end.
- the geometric shape of the plurality of annular cross-sections, more preferably all annular cross-sections, may be chosen to be the same while the size may vary.
- the cage wall has a plurality of openings.
- the sum of the areas corresponding to the shape of the openings on the outer surface of the base body (the flow area of the respective opening on the outer surface of the base body) is greater than the sum of the outwardly facing surfaces of the webs of the cage wall remaining between the openings.
- the sum of the surfaces corresponding to the shape of the openings on the outer surface of the base body is more than 1, 1 times, particularly preferably more than 1, 2 times, particularly preferably more than 1, 3 times and particularly preferably by more than 1, 5 times greater than the sum of the outwardly facing surfaces of the webs of the cage wall remaining between the openings.
- the cage wall is at least partially made of a plastic.
- the cage wall is essentially made of a plastic.
- the cage wall is made entirely of a plastic.
- the plastic is a polymer, particularly preferably polypropylene.
- the plastic is an injection-moldable plastic.
- the cage wall is made by injection molding. As far as described in this description of the invention embodiments in which the cage wall are made entirely of plastic, this does not exclude that the cage wall or parts of the cage wall are provided with a surface coating, such as a paint or coated with a film, the or that does not consist of plastic.
- a functional component introduced into the cage wall such as a wire, does not consist of plastic.
- a wire is particularly preferred but only a single electrical line (a cable), which is passed through the cage wall.
- the invention proposes to make the openings diamond-shaped.
- the surface corresponding to the shape of the opening on the outer surface and / or the shape of the opening on the inner surface is diamond-shaped.
- the cage wall is annular at least in a cross section perpendicular to the longitudinal axis, it is also understood that the shape of the opening on the unwound in a plane outer surface of the cage wall and / or the shape of the opening on the unwound in a plane inner surface of the cage wall corresponding surface is diamond-shaped.
- the rhombus is selected so that the opposing obtuse angles between 100 ° and 160 °, in particular between 110 ° and 150 ° and particularly preferably between 120 ° and 140 ° amount.
- a plurality of openings of the cage wall are diamond-shaped. This does not exclude that the cage wall still has other openings that are not diamond-shaped. Thus, it may be provided in a preferred embodiment that at the upper end of the cage wall and / or at the lower end of the cage wall openings are provided which are not diamond-shaped. Openings that are not diamond-shaped and are provided at the end of the cage wall can be used to also use the space between two adjacent diamond-shaped openings for an opening and thus increase the passage area of the cage wall.
- the cage wall has a first group of openings, which are diamond-shaped, and a second group of openings, which are not diamond-shaped, but whose opening geometry can be represented as the intersection of a rhombus, for example as half of a rhombus along a line connecting two peaks, was cut.
- the cage wall has only these two types of openings.
- the cage wall has only diamond-shaped openings.
- all diamond-shaped openings have the same geometry (the same obtuse angles).
- the side lengths of all diamond-shaped openings of the cage wall are the same.
- the extension of a diamond-shaped opening or a subset of the plurality of openings, which are diamond-shaped, or in a particularly preferred embodiment, the extension of all provided on the cage wall diamond-shaped openings in the circumferential directions is greater than in a direction parallel to the longitudinal direction of the body.
- the cage wall may become somewhat more elastic in the direction parallel to the longitudinal direction of the base body than in a torsional direction in which the upper end is rotated in a different direction to the lower end about the longitudinal axis. It has been found that support cages are more frequently loaded with shocks along the longitudinal direction of the base body, for example when a filter element having the support cage is dropped.
- a compliance of the support cage can thus be generated in the longitudinal direction while increasing the torsional stiffness, which is advantageous, for example, when the filter element according to the invention comprising a support cage to be screwed from a housing.
- an opening of the plurality of diamond-shaped openings is bounded by four side surfaces, two of which are opposite each other.
- the support cage according to the invention preferably has a radially outwardly facing outer surface, a radially inwardly facing inner surface.
- the support cage has a wall thickness.
- two of the four side surfaces namely, two side surfaces that are oppositely disposed, are not aligned parallel to one another.
- all opposing side surfaces are not aligned parallel to each other.
- this is used to taper or widen the opening cross-section from the outer surface of the support cage to the inner surface. Rejuvenation of the opening cross-section has the additional positive effect that the cage wall formed in this way can be produced more simply in an injection molding process, in particular because the correspondingly formed cage wall can be formed more easily from the injection molding tool.
- At least two of the four side surfaces namely two opposing side surfaces are executed parallel to each other.
- all opposite side surfaces of an opening are made parallel to the side surface opposite to each other.
- the mutually parallel side surfaces may lie in a preferred embodiment in each case in planes which are parallel to a line which is perpendicular to the longitudinal axis of the base body.
- the side surfaces thus run like a shaft into the interior of the body.
- embodiments are also conceivable in which the mutually parallel side surfaces extend in planes which run parallel to a line which does not intersect the longitudinal axis of the main body, but which lies in a particularly preferred embodiment in a plane perpendicular to the longitudinal axis of Basic body is.
- opening geometries can be produced by slides which have a rectangular cross-section and are movable in a direction perpendicular to the longitudinal axis of the main body. Such geometries of the openings thus allow easy preparation of the diamond-shaped openings.
- a slider may be designed to be used to make multiple apertures.
- the diamond-shaped openings are arranged such that the surface centers of the surfaces corresponding to the shape of the respective opening on the outer surface of the base body (the surface centers of the passage surfaces of the openings on the outer surface) lie on rings whose center lies on the longitudinal axis of the base body ,
- the arrangement of the centroids on a ring relative to the arrangement of the centroids of the openings of an adjacent ring is performed offset so that the openings of one ring engage the space between the openings of an adjacent ring.
- the diamond-shaped openings form a uniform pattern with respect to their distributions over the base body.
- the surface centers are arranged lying on rings, the centers lie on the longitudinal axis of the body, wherein the Area centers of seen from a ring in the longitudinal direction after the second ring in the circumferential direction are in the same place as the center areas of this ring. The area centers thus alternate from ring to ring with respect to their arrangement in the circumferential direction. In particular, this makes it possible to achieve a particularly dense packing of openings on the outer peripheral surface of the cage wall.
- the cage wall has particularly preferably at the upper end and / or at the lower end to a closed end ring, in which there is no opening.
- This end ring may have a step to facilitate the placement of an end cap, or to facilitate the connection with an end cap.
- webs are formed between the diamond-shaped openings, which run helically around the longitudinal axis of the base body.
- two groups of helical webs are provided, wherein the one group is wound in a clockwise direction about the longitudinal axis of the body, while the other group is coiled counterclockwise about the longitudinal axis, wherein in each case a web of a group, each with a web of the other Group respectively at a tip of a diamond-shaped opening cuts.
- a helical type land cuts a land of the other helical type (counterclockwise helix) only once, or only twice in an alternative embodiment, or only three times along its extent over the outer circumference of the cage wall in an alternative embodiment.
- the invention also proposes a filter element.
- This filter element has a first support cage, which is designed as a support cage according to the invention.
- the filter element has a second support cage, which can also be designed as a support cage according to the invention, but does not have to.
- the filter element has a filter material arranged between the first support cage and the second support cage.
- the filter element has at its upper end an end cap which closes the space formed between the first support cage and the second support cage at the upper end.
- the filter element at the lower end of an end cap which closes the space formed between the first support cage and the second support cage at the lower end.
- the end cap provided at the lower end is formed closed, while an end cap provided at the end has an opening which opens the interior of the filter element upwards.
- the filter material comprises one or more of the following materials: polystyrene (PS), polyethersulfones (PES), polypropylene (PP), Polytetrafluoroethylene (PTFE), borosilicates, cellulose, cellulose acetate, polyvinylidene fluoride (PVDF), polyamide (PA) or polyphenylene sulfide (PPS).
- PS polystyrene
- PES polyethersulfones
- PP polypropylene
- PTFE Polytetrafluoroethylene
- borosilicates borosilicates
- cellulose cellulose cellulose acetate
- PVDF polyvinylidene fluoride
- PA polyamide
- PPS polyphenylene sulfide
- the second support cage extends along a longitudinal axis coaxial with the longitudinal axis of the first support cage from an upper end of the second support cage to a lower end of the second support cage, wherein a cage wall is formed between the upper end and the lower end. which is annular at least in a cross section perpendicular to the longitudinal axis.
- at least the outer support cage is designed as a support cage according to the invention.
- the filter element according to the invention is used for filtering fluids, particularly preferably liquids.
- the filter element according to the invention is particularly preferably used for sterile filtration, fine filtration, prefiltration and blank filtration.
- FIGURE shows the support cage according to the invention in a sectional side view.
- the support cage 1 shown in Fig. 1 comprises a base body 2 which extends along a longitudinal axis A-A from an upper end to a lower end and which forms a cage wall 3 between the upper end and the lower end.
- the cage wall 3 is hollow cylindrical and thus formed in each cross section perpendicular to the longitudinal axis A-A circular.
- the cage wall 3 has a plurality of diamond-shaped openings 4.
- All provided in the cage wall 3 opening are designed diamond-shaped. All diamond-shaped openings 4 have the same geometry (the same obtuse angles). The side lengths of all diamond-shaped openings 4 are the same length. All diamond-shaped openings 4 are arranged so that the extent of the diamond-shaped openings 4 circumferential direction is greater than in a direction parallel to the longitudinal direction A-A of the base body second
- all four side surfaces 5, 6, 7, 8 which delimit a diamond-shaped opening do not have any diametrically opposed side surfaces aligned in parallel.
- the diamond-shaped openings 4 are arranged so that the surface centers M of the shape of the respective opening on the outer surface of the base body 2 corresponding surfaces (the surface centers M of the passage surfaces of the diamond-shaped openings 4 on the outer surface) on rings R1, R2, R3, whose Center on the longitudinal axis AA of the body lie.
- the arrangement of the surface centers on a ring R1 in relation to the arrangement of the surface centers of the openings of an adjacent ring R2 offset such that the openings of a ring R1 engage the space between the openings of an adjacent ring R2.
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2017223730A AU2017223730A1 (en) | 2016-02-25 | 2017-02-21 | Support cage for a filter element, filter element, and use for such a filter element |
EP17710472.6A EP3419738A1 (de) | 2016-02-25 | 2017-02-21 | Stützkäfig für ein filterelement, filterelement und verwendung für ein solches filterelement |
KR1020187024368A KR20180109958A (ko) | 2016-02-25 | 2017-02-21 | 필터 소자용 지지 케이지, 필터 소자, 및 필터 소자 용도 |
SG11201806943QA SG11201806943QA (en) | 2016-02-25 | 2017-02-21 | Support cage for a filter element, filter element, and use for such a filter element |
RU2018130770A RU2018130770A (ru) | 2016-02-25 | 2017-02-21 | Опорный держатель для фильтрующего элемента, фильтрующий элемент и применение такого фильтрующего элемента |
BR112018067398A BR112018067398A2 (pt) | 2016-02-25 | 2017-02-21 | armação de suporte para um elemento de filtro, elemento de filtro e uso para esse elemento de filtro |
CA3014534A CA3014534A1 (en) | 2016-02-25 | 2017-02-21 | Support cage for a filter element, filter element, and use for such a filter element |
US16/079,747 US20190046912A1 (en) | 2016-02-25 | 2017-02-21 | Support cage for a filter element, filter element, and use for such a filter element |
CN201780012903.3A CN108697964A (zh) | 2016-02-25 | 2017-02-21 | 用于过滤元件的支撑保持架、过滤元件以及所述过滤元件的应用 |
JP2018545165A JP2019510622A (ja) | 2016-02-25 | 2017-02-21 | フィルタエレメント用の支持ケージ、フィルタエレメント、およびそのようなフィルタエレメントの使用 |
MX2018009892A MX2018009892A (es) | 2016-02-25 | 2017-02-21 | Jaula de soporte para elemento de filtro, elemento de filtro y uso de elemento de filtro de este tipo. |
PH12018501738A PH12018501738A1 (en) | 2016-02-25 | 2018-08-16 | Support cage for a filter element, filter element, and use for such a filter element |
ZA2018/05633A ZA201805633B (en) | 2016-02-25 | 2018-08-23 | Support cage for a filter element, filter element, and use for such a filter element |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016002145.4A DE102016002145A1 (de) | 2016-02-25 | 2016-02-25 | Stützkäfig für ein Filterelement, Filterelement und Verwendung für ein solches Filterelement |
DE102016002145.4 | 2016-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017144170A1 true WO2017144170A1 (de) | 2017-08-31 |
Family
ID=58267084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2017/000244 WO2017144170A1 (de) | 2016-02-25 | 2017-02-21 | Stützkäfig für ein filterelement, filterelement und verwendung für ein solches filterelement |
Country Status (15)
Country | Link |
---|---|
US (1) | US20190046912A1 (de) |
EP (1) | EP3419738A1 (de) |
JP (1) | JP2019510622A (de) |
KR (1) | KR20180109958A (de) |
CN (1) | CN108697964A (de) |
AU (1) | AU2017223730A1 (de) |
BR (1) | BR112018067398A2 (de) |
CA (1) | CA3014534A1 (de) |
DE (1) | DE102016002145A1 (de) |
MX (1) | MX2018009892A (de) |
PH (1) | PH12018501738A1 (de) |
RU (1) | RU2018130770A (de) |
SG (1) | SG11201806943QA (de) |
WO (1) | WO2017144170A1 (de) |
ZA (1) | ZA201805633B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018102161U1 (de) | 2018-04-18 | 2019-07-21 | Boll & Kirch Filterbau Gmbh | Stützkörper für Filterelemente und Filterelement hierfür |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3642141A (en) * | 1970-07-21 | 1972-02-15 | Per Corp. | Filter tube and connection thereof to tube sheet |
US6179131B1 (en) | 1998-06-25 | 2001-01-30 | Pti Technologies, Inc. | Fusion-welded thermoplastic filter assembly and a method of fabricating the same |
DE202006001793U1 (de) * | 2006-02-02 | 2007-03-08 | Boll & Kirch Filterbau Gmbh | Stützkörper für Filterelemente und Filterelement hiermit |
DE102009053683A1 (de) * | 2009-11-19 | 2011-05-26 | Mann+Hummel Gmbh | Filterelement mit Mittelrohr |
EP2735353A1 (de) * | 2012-11-23 | 2014-05-28 | Mann + Hummel Gmbh | Filterelement mit Stützrohr |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110272358A1 (en) * | 2010-05-10 | 2011-11-10 | Martin Crawford | Media compaction compensating support system for pollutant stream remediation reactors |
CN202410302U (zh) * | 2011-12-31 | 2012-09-05 | 上海闰铭精密技术有限公司 | 袋式过滤器的滤袋支撑架 |
DE102013208162A1 (de) * | 2013-05-03 | 2014-11-06 | Bayerische Motorenwerke Aktiengesellschaft | Filterelement |
CN204767976U (zh) * | 2015-08-07 | 2015-11-18 | 衡水哈西特液压机械有限公司 | 一种液压系统用过滤器滤芯 |
CN105032064A (zh) * | 2015-08-27 | 2015-11-11 | 河南省德耀节能科技有限公司 | 除尘器及其袋笼 |
CN205019821U (zh) * | 2015-08-31 | 2016-02-10 | 成都易态科技有限公司 | 一种柔性过滤元件结构 |
-
2016
- 2016-02-25 DE DE102016002145.4A patent/DE102016002145A1/de not_active Withdrawn
-
2017
- 2017-02-21 RU RU2018130770A patent/RU2018130770A/ru not_active Application Discontinuation
- 2017-02-21 BR BR112018067398A patent/BR112018067398A2/pt not_active Application Discontinuation
- 2017-02-21 CA CA3014534A patent/CA3014534A1/en not_active Abandoned
- 2017-02-21 CN CN201780012903.3A patent/CN108697964A/zh active Pending
- 2017-02-21 JP JP2018545165A patent/JP2019510622A/ja not_active Ceased
- 2017-02-21 MX MX2018009892A patent/MX2018009892A/es unknown
- 2017-02-21 SG SG11201806943QA patent/SG11201806943QA/en unknown
- 2017-02-21 US US16/079,747 patent/US20190046912A1/en not_active Abandoned
- 2017-02-21 EP EP17710472.6A patent/EP3419738A1/de not_active Withdrawn
- 2017-02-21 KR KR1020187024368A patent/KR20180109958A/ko unknown
- 2017-02-21 WO PCT/EP2017/000244 patent/WO2017144170A1/de active Application Filing
- 2017-02-21 AU AU2017223730A patent/AU2017223730A1/en not_active Abandoned
-
2018
- 2018-08-16 PH PH12018501738A patent/PH12018501738A1/en unknown
- 2018-08-23 ZA ZA2018/05633A patent/ZA201805633B/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3642141A (en) * | 1970-07-21 | 1972-02-15 | Per Corp. | Filter tube and connection thereof to tube sheet |
US6179131B1 (en) | 1998-06-25 | 2001-01-30 | Pti Technologies, Inc. | Fusion-welded thermoplastic filter assembly and a method of fabricating the same |
DE202006001793U1 (de) * | 2006-02-02 | 2007-03-08 | Boll & Kirch Filterbau Gmbh | Stützkörper für Filterelemente und Filterelement hiermit |
DE102009053683A1 (de) * | 2009-11-19 | 2011-05-26 | Mann+Hummel Gmbh | Filterelement mit Mittelrohr |
EP2735353A1 (de) * | 2012-11-23 | 2014-05-28 | Mann + Hummel Gmbh | Filterelement mit Stützrohr |
Also Published As
Publication number | Publication date |
---|---|
PH12018501738A1 (en) | 2019-06-17 |
CA3014534A1 (en) | 2017-08-31 |
ZA201805633B (en) | 2019-06-26 |
JP2019510622A (ja) | 2019-04-18 |
SG11201806943QA (en) | 2018-09-27 |
AU2017223730A1 (en) | 2018-09-13 |
MX2018009892A (es) | 2018-09-11 |
KR20180109958A (ko) | 2018-10-08 |
BR112018067398A2 (pt) | 2019-01-22 |
RU2018130770A (ru) | 2020-03-25 |
DE102016002145A1 (de) | 2017-08-31 |
RU2018130770A3 (de) | 2020-06-18 |
EP3419738A1 (de) | 2019-01-02 |
US20190046912A1 (en) | 2019-02-14 |
CN108697964A (zh) | 2018-10-23 |
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