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WO2013000807A1 - Élément filtre notamment destiné à un filtre à carburant et corps support correspondant - Google Patents

Élément filtre notamment destiné à un filtre à carburant et corps support correspondant Download PDF

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Publication number
WO2013000807A1
WO2013000807A1 PCT/EP2012/061937 EP2012061937W WO2013000807A1 WO 2013000807 A1 WO2013000807 A1 WO 2013000807A1 EP 2012061937 W EP2012061937 W EP 2012061937W WO 2013000807 A1 WO2013000807 A1 WO 2013000807A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
support body
filter element
fuel
elements
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.)
Ceased
Application number
PCT/EP2012/061937
Other languages
German (de)
English (en)
Inventor
Jörn Wetzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of WO2013000807A1 publication Critical patent/WO2013000807A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
    • F02M37/26—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means with water detection means
    • F02M37/28—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means with water detection means with means activated by the presence of water, e.g. alarms or means for automatic drainage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/34—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0415—Details of supporting structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/30—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by heating means

Definitions

  • Filter element in particular for fuel filter, and associated support body
  • the invention relates to a filter element, in particular for fuel filter, with a filter medium which forms an annular closed wall which extends in the axial direction between two end plates fixedly connected to the wall, and with an axially arranged between the end plates lattice tubular support body to Support the wall on its inside or outside.
  • Such a filter element is known from WO 2007/006370 A1.
  • the filter element separates within a filter housing an input-side raw space for fuel from an output-side clean room for filtered fuel, the raw space is provided radially outside the closed wall formed by the filter medium and the clean room radially inside this wall. Accordingly, the filter medium is traversed during filter operation from radially outside to radially inward of the fuel.
  • This pressure difference can become undesirably large, in particular, if it has been omitted to replace the filter element after a predetermined operating time.
  • the support body consists of two grid tube parts telescopically connected to one another, which are each firmly arranged on one of the end plates. Due to the telescopic design of the support body parts, an axial "growth" of the filter medium occurring during filter operation is intended formed wall are made possible. Here, the fact is taken into account that the filter medium swells comparatively strong when it is penetrated by the fuel.
  • the invention relates to the support body for filter elements, which is referred to the prior art to DE 44 17 298, which shows a lattice-tube-like support body.
  • the invention is concerned with the problem that in the conventional fuel filters with water separation on the clean side of the particulate filter, the water preferably takes place via a gravity separation and a water separator from a fine-meshed network. Depending on the structure, however, water droplets can still pass through the water separator due to the pressure.
  • the invention addresses the problem of requiring fuel filters of a variety of different sizes. This means in practice that filter elements are required with different axial lengths, this applies in a corresponding manner for the support body. As a rule, similar filters are provided as far as possible in which substantially different filter elements are used only with respect to their axial length.
  • the object of the invention is therefore to improve a conventional filter and to allow a cost-effective production of the filter elements and support body.
  • This object is achieved in a filter element of the type specified in that the supporting body of the support body is formed so that it generates a tangential swirl flow in the flowing liquid.
  • This object is also achieved according to the invention in a filter element of the type specified in that the support body can be modular.
  • the invention is based on the general idea, the support body in such a way that it generates a tangential swirl flow in the flowing liquid.
  • the invention is also based on the general idea, the support body composed of prefabricated segments, so that, for example, an adaptation to the particular desired axial length is readily possible. It is particularly advantageous that no changes in the size of the fuel filter for the production of the support body no new molds must be procured.
  • rod parts of the support body may be shaped according to flow dynamics, for example in the manner of vanes or turbulence generators. In this way, a more or less turbulent tangential swirl flow can be generated on the side facing away from the filter medium side of the support body.
  • the segments for producing the support body may be formed as ring parts and rod elements which are to be arranged axially between adjacent ring parts.
  • each ring member may be provided on an end face with integrally formed rod elements, by means of which then each ring member can be connected to one of the end plates or to an axially adjacent ring member.
  • the filter element has different filter media on the sides of the support body facing away from one another. For example, in the flow direction of the fluid to be cleaned or the fuel to be cleaned upstream of the support body, a first filter medium may be provided to intercept entrained solids in the fluid.
  • this first filter medium can cause coalesced in the fluid emulsified water particles through the filter medium, so that the output side of the filter medium is present only a very unstable emulsion with comparatively large water droplets.
  • the aforementioned filter medium consists of a hydrophilic material.
  • the fluid to be cleaned or the fuel to be cleaned can then pass through a further filter medium, which consists for example of hydrophobic material and therefore prevents passage of the aforementioned water droplets.
  • These water droplets then accumulate between the two different filter media and sink due to their relatively high specific gravity down from where they are collected in a water collection chamber of the filter device.
  • the segments of the support body for a filter element are detachably or non-detachably connected to one another, eg they can be latched, clipped or welded or glued together.
  • the support body can be used in a filter element in an oil filter, or fuel filter or air filter. It preferably consists of at least three segments.
  • a filter element on a support body according to the invention.
  • the filter element has a filter medium, preferably filter paper, which rests against the support body, and at least one end plate to which the support body is detachably or non-detachably connected and which receives the filter medium in a sealing manner.
  • the invention includes the possibility of using the filter element according to the invention in a fuel filter or an oil filter or an air filter.
  • the filter element In the installed position within a filter housing, the filter element separates an inner space from the rest of the housing interior, preferably the interior of a housing lower part communicates via an opening in the lower end disk in the installation position with the annular space receiving the support body between the filter-effective walls.
  • the interior communicates not with an interior of the housing base, but directly with the outlet.
  • a first wall of hydrophilic filter material and a second wall of hydrophobic filter material is provided in the flow direction of the fluid or fuel to be filtered.
  • the second wall is arranged radially inside the support body and encloses an outlet region of the filter element.
  • the division of the support body into segments does not serve the variable length compensation of the support body during operation of the associated filter unit. direction, as is known in the art, but the flexible design of the support body and the reduction of the tool cost for the production of various support body for a variety of applications.
  • a arranged inside the filter medium support body serves to support the filter medium against the prevailing fluid pressure in radially from the outside to the inside radially flowed filter elements.
  • a support body may also be present outside the filter medium, which in this case also absorbs the occurring pressures.
  • the support body required for this can also be structured segmented. If necessary, the support body can also be connected to the end plates.
  • FIG. 3 is an exploded view of a part of a support body according to the invention, 4 shows details of a segment of the support body according to the invention,
  • FIG. 5 is a plan view of a segment of a support body according to the invention.
  • FIG. 8a and b top view of alternative embodiments of the invention
  • Fig. 1 1 is a schematic sectional view of a filter element according to the invention in a fuel filter.
  • the filter device has a housing with an upper housing part 1 and a lower housing part 2. These housing parts 1 and 2 can be detachably connected to one another by means of screw, clip, bayonet or snap fastener be. Instead, a non-detachable connection of the housing parts 1 and 2 by means of crimping, welding or soldering or the like possible.
  • the housing has an inlet 3 and a drain 4. A disposed inside the housing 1, 2 filter element 5 divides the interior into a supply-side raw side 19 and a drain-side clean side 27.
  • the filter element 5 consists essentially of a closed annular filter medium 1 1, wherein the filter medium 1 1 usually forms a star-shaped folded annular wall when viewed in the direction of the ring axis.
  • the filter medium 1 1 is tightly connected to an upper and a lower end plate 6 and 9, wherein the upper end plate 6 with a corresponding opening the drain 4 tightly encloses and the lower end plate 9 is closed in the example shown.
  • the lower end disk 9 can also be connected with its outer circumference tightly to the inner wall of the housing lower part 2 and / or have a central opening whose purpose is also described below (with reference to FIG ) is explained.
  • a substantially lattice tube-like support body 12 is arranged, which is firmly connected or connectable with at least one of the end plates 6 and at least approximately the distance of the end plates 6 and 9 from each other corresponding axial length.
  • This support body can serve on the one hand in a known manner for the mechanical stabilization of the filter cartridge 5. On the other hand, it can, as will be shown below, take on additional functions in the invention and in particular serve to shape the flow of the fuel on the way to the clean side 27 and to influence.
  • the support body 12 has in FIG. 1 a cylindrical shape with rod elements 22 extending in the axial direction and radially extending ring elements 21. These ring elements 21 are provided on the outer circumference with axial grooves, in which the radially inner folds of the star-shaped folded filter medium 1 1 can engage, so that on the one hand the radial inner folds of the filter medium and on the other hand, the entire filter medium 1 1 are stabilized.
  • This known support body is formed as a one-piece molded part, so that cost at any constructive changes of the filter element 5 and concomitant changes in the dimensions of the support body 12 comparatively high tooling.
  • a built supporting body 12 that is, the supporting body 12 in the invention consists of segments to be joined together, so that by different segment numbers and combinations differently shaped support body 12 can be produced without the need for new elaborate molds.
  • Fig. 3 is an exploded view of the support body 12 of the invention is shown.
  • There are three segments 23 are provided which form subunits of the support body 12 and can be combined in different numbers with each other to create support body 12 with different axial lengths.
  • Each segment 23 has a ring element 21 with rod elements 22 arranged thereon.
  • These rod elements can each be integrally connected to a ring element 21.
  • corresponding pins can be arranged on the rod elements 22, which engage in corresponding openings on the ring elements 21.
  • the end plate 6 has receiving openings 38 into which the pins 39 of the rod elements 22 are inserted. In this way, the support body 12 can connect to the lower end plate 6.
  • the support body 12 can also be connected by means of other known from the prior art types of connection, such as adhesive, latching or welded connection with one or both end plates 6, 9, instead, he can also be arranged loosely without connection to one of the end plates 6, 9.
  • the ring elements 21 of the support body 12 may in turn be grooved on the outer periphery, in turn, to allow the radially inner folds of the filter medium 1 1 a corresponding stabilization.
  • the exploded view of Fig. 3 is intended to illustrate the basic structure.
  • the shape of the rod members 22 can either be chosen to be streamlined as shown or simply support without positively affecting the flow of the filtered fluid.
  • the rod members 22 may also be of another shape, such as e.g. shown in the other embodiments have.
  • FIGS. 4 and 5 a single segment 23 is shown in each case.
  • the pins 39 have at the free end a small detent element 35. This can be used for the final fixation of the segments 23 with each other or only for provisional fixation. In the provisional fixation takes place after joining all the required segments 23 and / or the at least one end plate 6, a fixation, e.g. by laser welding or the like.
  • a receptacle 38 adjacent to the rod member carrying the pin 39.
  • the number of pins 39 and the receptacles 38 is arbitrary, preferably at least two.
  • the shape of the rod elements 22 shown here causes an optimal flow of the fluid along the curvature of the rod elements 22 so that, for example, the filtered fluid can drain better and faster. Respectively. In the case of fuel filters with an end separator (see FIG. 11), the separation of water emulsified in the fuel can be improved.
  • the rod elements 22 shown in FIGS. 3 to 5 have a shape in the form of guide vanes. The exact form can ever be selected according to requirements so that the targeted turbulence is increased o- the liquid receives a radially, or tangentially directed spin (shown here).
  • a support body 12 may be provided. He is then attached to the outside of the filter medium 1 1 and supports it against the fluid pressure. Again, the rod elements 22 of the segments 23 may be configured aerodynamically favorable or turbulence generating. The appearance of the support body 12 would be the same as seen in Figs. 4-9. Only the filter medium would be 1 1 disposed within the support body 12 and the support body 12 would be connected to at least one end plate 6 at its outer periphery.
  • rod elements 22 show alternative embodiments of the rod elements 22. Different flow-favorable or turbulence-generating cross sections of the rod elements 22 are shown.
  • the respective shape is to be adapted by computational optimization to the desired conditions, for example the deposition rate. Therefore, the shapes shown are only examples.
  • the rod elements 22 can be partly different or even all the same (not shown).
  • All support bodies 12 shown can also be made in one piece as an injection molded part. It is important that the rod elements 22 have a flow-influencing shape.
  • the variants of the support body 12 shown in Figures 6-8 are preferably made in one piece.
  • the special shape of the rod elements 22 promotes the generation of a swirl of the liquid in radial or tangential grooves. tion, so that in particular in fuel filters, the deposition rate of the emulsified water content is increased.
  • the rod elements 22 shown here all together cause a twist of the liquid in the radial or tangential direction.
  • the support body 12 is usually connected in the figures with one of the end plates 6.9. This is not absolutely necessary, but also a so-called loose arrangement on the inside of the filter element 5 is conceivable.
  • the exact shape of the rod elements 22 to be used depends on the type of fluid, air, fuel, oil or water, the size of the filter device and other boundary conditions.
  • the rod elements 22 are all produced individually and the ring elements 21 individually.
  • the ring elements In order to assemble the items to segments 23, the ring elements have suitable receptacles 36 and the rod elements 22 pin 37. It is also possible vice versa.
  • the rod elements 22 are inserted with their pins 37 in the receptacles 36 provided. So that the rod elements 22 can not twist, they each have two pins 37. Thus, even after assembly, the flow guidance can be secured by the rod elements 22. So that the rod elements 22 do not detach from the ring elements 21 on their own, the connection can be fixed by suitable methods, such as welding, gluing or clipping.
  • a segment 23 may also have two ring elements 21, whereby in the assembly of the segments 23 to a support body 12, there are always two ring elements 21 abutting one another.
  • Fig. 1 1 is shown with reference to a specific example of a fuel filter as the support body 12 according to the invention with a swirl-generating rod elements 22 can be used.
  • the fuel filter shown in FIG. 1 1 has a two-part housing in the example shown with an upper housing part 1 and a lower housing part 2 which can be screwed thereto.
  • the housing may also be formed so that the housing upper part 1 is fixedly connected to the housing part 2, e.g. by means of crimping or the like.
  • the upper housing part 1 has an unpurified fuel inlet 3 and an outlet 4 for the purified and anhydrous fuel.
  • a filter element 5 is arranged within the housing 1, 2,
  • the filter element 5 is inserted on the one hand with a lower end disk 6 into the lower housing part 2 in such a way that locking hooks 7 arranged on the underside of the end disk 6 interact with counter hooks 8 in the lower housing part 2 are arranged.
  • the lower housing part 2 and the filter element 5 form a mounting unit, which can be screwed from below into the upper housing part 1.
  • an arranged on an upper end plate 9 of the filter element 5 pipe socket 10th with its seal 33 tightly connected to the outlet 4 of the upper housing part 1.
  • a not shown pot may be attached, is collected in the separated water. This pot is then connected to the lower housing part 2 by suitable means, so that the filter element 5 plus pot can be taken out of the upper housing part 1 in the case of a filter element change. In the pot, the water drain valve 34 engages.
  • a filter medium 1 1 is arranged, which is formed as an annular closed filter wall of a filter paper or the like.
  • the filter wall of the filter medium 1 1 forms in a conventional manner in plan view of the end plates 6 and 9, a ring-shaped star, so that a correspondingly large filter-effective area is given.
  • the filter medium is tightly and firmly connected to the end plates 6 and 9.
  • a erfindunizationer support body 12 Radially inside the filter wall of the filter medium 1 1 a erfindunizationer support body 12 is arranged, the structural design has been explained above.
  • the enclosed by the support body 12 interior communicates via a the inner diameter of the support body 12 adapted central opening 13 in the lower end plate 6 with the interior of the housing lower part 2 or the pot, not shown.
  • the peripheral wall of the pipe socket 10 on the upper end plate 9 continues downwards with axial webs 14, whose lower ends are firmly connected to a pipe section 15 in the drawing.
  • the axial webs 14 are disposed within a Endabscheiders 16, which forms a tightly adjacent to the pipe section 15 and the upper end plate 9 tubular filter wall, which includes the axial webs 14.
  • the axial webs 14 are connected to the upper end plate 9, the pipe socket 10 may be integrally formed on the upper end plate 9.
  • the Endabscheider 16 encloses the axial webs 14 tight and is tightly connected to the upper end plate 9.
  • the pipe socket 10 has a seal 33 which seals against the housing raw from the clean side.
  • the pipe piece 15 carried by the axial webs 14 is sealed tightly by a closure piece 17 by means of a further seal 32.
  • the closure piece 17 is arranged or formed on a support rod 18, which in turn can be arranged in the drain 4, preferably is inserted.
  • the carrier rod 18 has a non-circular, for example star-shaped cross-section, such that in the outlet 4 a sufficient flow area remains free, so that the purified fluid, here fuel, can leave the filter device.
  • fuel to be purified passes through the inlet 3 into the raw side 19, which surrounds the filter element 5 within the housing upper part 1. Then, the fuel to be cleaned passes through the filter element 5 radially from outside to inside, so that it finally reaches the clean side 190 communicating with the outlet 4, which is enclosed by the end separator 16.
  • the fuel first passes through the filter medium 1 1, which retains the solid particles entrained in the fuel and incidentally in the Fuel emulsified water droplets can coalesce, so that in the space between the filter medium 1 1 and 16 Endabscheider larger water droplets that fall down due to gravity and pass through the opening 13 in the lower end plate 6 in serving as water collection chamber housing part 2 and from be discharged there from time to time by an opening 20 controlled by means of a sketched drain valve 34.
  • a coalescer In addition to the filter medium 1 1 can be arranged on the outside of the support body 12, a coalescer, which further increases the water droplets.
  • the water droplets are prevented by the Endabscheider 16, which may be formed, for example, as a dense mesh of a hydrophobic material.
  • the support body 12 on the one hand has a mechanical function by the filter medium 1 1 supported on its radially inner side. As a result, the filter medium 1 1 is stabilized in particular when, for example, after a failed change of the filter element 5, an excessive dirt load should have been intercepted or absorbed.
  • the support body 12 can also assume a fluid dynamic function by the rod elements 22, which act radially on the support body 12 may be formed in the manner of vanes to within the support body 12 and outside the Endabscheiders 16 a radial, or tangential swirl flow to generate, through which the aforementioned water droplets are stripped off the Endabscheider 16 and can be performed for Wasserammeiraum in the lower housing part 2.
  • the rod elements 22 may also be designed as turbulence generators in order to produce the aforementioned swirl flow. In some regions turbulent form, so that the aforementioned water droplets can be combined to form particularly large drops.
  • the support body 12 can be composed of ring elements 21 and rod elements 22, wherein the rod elements 22 are fastened, for example, with end-side pins formed on them into corresponding openings on the lower end disk 6 or on the ring elements 21.
  • the support body 12 is connected to only one of the end plates 6 and 9, so that a change in distance between the end plates 6 and 9 during filter operation, for example due to a swelling filter medium 1 1, is readily acceptable ,
  • the connections of the segments 23 of the support body 12 with each other and to the at least one end plate 6 need not be able to absorb axial expansion.
  • the shape of the rod elements 22 can be chosen such that they themselves can compensate for a certain axial change in length.
  • a water level sensor 25 is arranged so that the discharge valve 20 associated discharge valve 34 can be controlled as needed.
  • a heating device may be arranged in the support rod 18, which heats the fuel when needed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

L'invention concerne un élément filtre contenant une matière filtrante, présentant une paroi filtrante annulaire fermée, s'étendant dans la direction axiale entre deux plaques terminales reliées fixement à la paroi, et un corps support en forme de grille tubulaire, disposé axialement entre les plaques terminales, présentant essentiellement des parties annulaires et des éléments tige reliant axialement les parties annulaires, les éléments tige étant conçus comme aubes directrices.
PCT/EP2012/061937 2011-06-29 2012-06-21 Élément filtre notamment destiné à un filtre à carburant et corps support correspondant Ceased WO2013000807A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011078364A DE102011078364A1 (de) 2011-06-29 2011-06-29 Filterelement, insbesondere für Kraftstofffilter, sowie zugehöriger Stützkörper
DE102011078364.4 2011-06-29

Publications (1)

Publication Number Publication Date
WO2013000807A1 true WO2013000807A1 (fr) 2013-01-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/061937 Ceased WO2013000807A1 (fr) 2011-06-29 2012-06-21 Élément filtre notamment destiné à un filtre à carburant et corps support correspondant

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DE (1) DE102011078364A1 (fr)
WO (1) WO2013000807A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016004365A1 (fr) 2014-07-03 2016-01-07 Donaldson Company, Inc. Filtre à carburant avec séparateur d'eau
CN111939664A (zh) * 2020-08-31 2020-11-17 成都喃呓商贸有限公司 一种橡胶加工用烟气净化设备
US11612843B2 (en) 2015-06-26 2023-03-28 Donaldson Company, Inc. Composite media for fuel streams
US12161956B2 (en) 2020-09-21 2024-12-10 Donaldson Company, Inc. Filter cartridge, filter assembly, and methods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209491A1 (de) * 2013-05-22 2014-11-27 Mahle International Gmbh Kraftstofffilter für eine Brennkraftmaschine
DE102014000037B4 (de) 2014-01-06 2021-09-09 Honeywell Technologies Sarl Filtereinsatz und rückspülbare Filtereinrichtung
DE102016225320A1 (de) * 2016-12-16 2018-06-21 Mahle International Gmbh Wasserabscheider für ein Kraftstoffversorgungssystem

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US10413851B2 (en) 2014-07-03 2019-09-17 Donaldson Company, Inc. Fuel filter with water separator
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CN111939664B (zh) * 2020-08-31 2021-12-07 江苏创合橡塑有限公司 一种橡胶加工用烟气净化设备
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