DE112013005747B4 - Filter, filter element, filter housing and discharge device of a filter - Google Patents

Filter, filter element, filter housing and discharge device of a filter

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Publication number
DE112013005747B4
DE112013005747B4 DE112013005747.6T DE112013005747T DE112013005747B4 DE 112013005747 B4 DE112013005747 B4 DE 112013005747B4 DE 112013005747 T DE112013005747 T DE 112013005747T DE 112013005747 B4 DE112013005747 B4 DE 112013005747B4
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Germany
Prior art keywords
filter
element
fluid
housing
particular
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.)
Active
Application number
DE112013005747.6T
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German (de)
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DE112013005747A5 (en
Inventor
Herbert Jainek
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.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel 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
Priority to DE102012023397.3 priority Critical
Priority to DE102012023397 priority
Application filed by Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Priority to PCT/EP2013/065494 priority patent/WO2014082762A1/en
Publication of DE112013005747A5 publication Critical patent/DE112013005747A5/en
Application granted granted Critical
Publication of DE112013005747B4 publication Critical patent/DE112013005747B4/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/147Bypass or safety valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/29Filter cartridge constructions
    • B01D2201/291End caps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/30Filter housing constructions
    • B01D2201/301Details of removable closures, lids, caps, filter heads
    • B01D2201/305Snap, latch or clip connecting means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/11Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13Supported filter elements
    • B01D29/15Supported filter elements arranged for inward flow filtration
    • B01D29/21Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets

Abstract

Filter (12) for fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle, with a filter housing (14) having at least one fluid inlet (36) and at least one fluid outlet (38) and in the one Filter element (32) is arranged so that it separates the at least one fluid inlet (36) from the at least one fluid outlet (38), and with a discharge device (64) for in the filter housing (14) contained fluid, the at least one Gehäuseablassöffnung (30) a closure element (80) which separates a clean fluid side (44) of the filter element (32) from a raw fluid side (56) has an element discharge opening (90) which communicates with the Closing means (68; 268) is closable, characterized in that at least one support body (46) is arranged on or in the filter element (32) and the separating element (80) with the least s a support body (46) is integrally connected, and the separating element (80) has an integrally formed positioning portion (86) which is locked in a mounting position of the filter element (32) by means of a latching connection with a positioning ring web (78) of a housing cover (24) wherein the positioning portion (86) is disposed radially inwardly of the positioning ring land (78).

Description

  • Technical area
  • The invention relates to a filter for fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular of a motor vehicle, with a filter housing, which has at least one fluid inlet and at least one fluid outlet and in which a filter element is arranged so that it at least one fluid inlet separates from the at least one fluid outlet, and with a discharge device for fluid contained in the filter housing, which has at least one Gehäuseablassöffnung, which is closable with a closure means.
  • Furthermore, the invention relates to a filter element of a filter, in particular a filter according to the invention, for fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle, in a filter housing, which has at least one fluid inlet and at least one fluid outlet, so may be arranged to separate the at least one fluid inlet from the at least one fluid outlet.
  • Moreover, the invention relates to a filter housing of a filter according to the invention, for fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle, which has at least one fluid inlet and at least one fluid outlet and in which a filter element can be arranged so that it separates the at least one fluid inlet from the at least one fluid outlet, and which has at least one housing outlet opening for fluid contained in the filter housing, which is closable with a closure means.
  • Moreover, the invention relates to a discharge device of a filter according to the invention for fluid contained in a filter housing of the filter, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle having at least one Gehäuseablassöffnung in the filter housing, which closable with a closure means is.
  • State of the art
  • From the EP 1 430 941 A1 For example, an oil filter with a housing is known which comprises a metal container and a cap. The container and the cap can be connected together and separated from each other. A filter element is received in the housing. In addition, a drain mechanism is provided. In the container, an inlet passage for flowing the oil from the internal combustion engine and an outlet passage for discharging the filtered oil to the internal combustion engine are formed. The discharge mechanism has a discharge opening in the center of a bottom portion of the cap. Further, the drain mechanism includes a drain plug connected to the cap so as to close the drain port from the outside.
  • From the DE 10 2012 209 242 A1 is a filter device with a filter housing, with a housing cover fixed to the filter housing, which has a housing cover idling opening with a connectable to the housing cover or connected filter element having a filter element idling opening and in a mounted in the filter housing in the filter housing a raw side of a clean side separates, with a attachable to the housing cover or attached closure element, which closes in a mounted on the housing cover both the housing cover idle opening and the filter element idling opening, wherein the closure element has a first radial seal, by means of which the closure element in the attached to the housing cover state in the filter element idle opening seals the raw side against the clean side.
  • The DE 12 48 017 A shows a filter and at the same time water separator for liquid fuels and the like with a filter head with an inlet part and an outlet part for the passage of fuel from the inlet into the filter head in a filter cup and further from outside to inside through a filter or separator insert and then to the outlet wherein the cup is removably attached to the filter head, sealingly abuts and projects downwardly therefrom communicating with the inlet portion and the outlet portion and the cup at its lower end below the filter element to a water collection container with one at its lowest Position lying water drainage opening is formed and in the bottom of a water outlet opening and in this to its closure and opening a screwed Ablassgewindezapfen and wherein the preferably cylindrical filter and Wasserabscheidereinsatz removably disposed in the cup and its outside mi t the inlet part of the filter head and its interior communicates via a central opening of the upper end cap with the outlet part of the filter head.
  • The font JP H 09 173 716 A shows an element of an oil filter in an operating condition, coupled with a cap which is provided with a drain plug and in which the element is housed and is arranged exchangeably on a housing by previously the drain plug from the Cap removed before replacement. The contaminated oil stored in the interior and the purified oil are therefore removed simultaneously and completely.
    The invention has for its object a filter, a filter element, a filter housing and a discharge device of a filter of the type mentioned to be discharged at the / the fluid from both a clean fluid side and from a Rohfluidseite the filter element simply through the at least one Gehäuseablassöffnung can. In particular, a connection between the clean fluid side and the raw fluid side should be able to be opened and closed with the closure means for the housing outlet opening.
  • Disclosure of the invention
  • This object is achieved in that a separating element which separates a clean fluid side of the filter element from a Rohfluidseite, an element discharge opening, which is closable with the closure means.
  • Thus, there is provided a separator with an element discharge opening which separates the clean fluid side from the raw fluid side. According to the invention, the housing outlet opening and the element discharge opening are closed with the closure means in the closed state of the discharge device. By actuating the closure means, in particular at least partially removing the same, both the element discharge opening and the housing outlet opening are opened. Thus, both on the clean fluid side and on the raw fluid side existing fluid flow out of the filter housing. In this case, the fluid from a first volume, in particular on the clean fluid side, which is not directly connected to the Gehäuseablassöffnung, a second volume, in particular on the Rohfluidseite, which is connected to the Gehäuseablassöffnung flow. From there, the fluid can drain out of the filter housing through the housing outlet opening.
  • Advantageously, the separating element may be made of a plastic. Plastic can be easily shaped. He also has a low weight.
  • Advantageously, the release of the element discharge opening and the Gehäuseablassöffnung can be done gradually. It is irrelevant whether the operation of the closure means itself is gradual or continuous. It can be released by appropriate actuation of the closure means first, the element discharge opening. The fluid from the first volume may drain into a corresponding region of the second volume. By further actuation, in particular complete removal of the closure means finally the housing discharge opening can be released. Thus, the fluid can flow out of the second volume.
  • Advantageously, the closure means can be introduced by means of a rotary and / or plug movement into the housing outlet opening and removed therefrom. The closure means may advantageously be a kind of bolt. A bolt-like closure means can be easily introduced by means of a rotary and / or plug movement into the housing outlet opening and removed therefrom. Advantageously, the closure means can be fastened in the housing outlet opening by means of a screw connection or a bayonet-type connection. A screw connection can be closed and opened continuously. Furthermore, the threaded engagements of the screw connection itself can already form a closure function, which prevents at least in the pressure-free state, a flow of the fluid, as long as the corresponding cooperating threads intermesh. In addition, a screw connection to tensile and compressive forces in the direction of the screw axis is very stable. A bayonet connection can be easily closed and opened. Advantageously, the closure means may be a drain plug.
  • Advantageously, the housing outlet opening can be closed by means of a circumferential housing closure section of the closure means. The element discharge opening can advantageously be closed by means of an element closure section of the closure means. The element closure section can advantageously be located in particular in the region of a free end of the closure means.
  • Advantageously, the element discharge opening may comprise an element sealing portion which is closable with the element closure portion.
  • Advantageously, the filter element can be arranged exchangeably in the filter housing. Advantageously, the filter element may comprise a filter medium which surrounds an element interior closed. The element interior may advantageously be connected to the at least one fluid outlet or the at least one fluid inlet. An element exterior surrounding the filter media exterior may be connected to the at least one fluid inlet or the at least one fluid outlet, respectively. Advantageously, the element interior can be located on the clean fluid side and the element exterior on the raw fluid side or vice versa. Advantageously, the housing outlet opening can at least the element outer space with an area connect outside of the filter housing. The separator separates the element interior from the element exterior.
  • The separating element can advantageously be arranged on an end face of the circumferentially closed filter medium and close the element interior there. Advantageously, the separating element can be arranged on an end face of the filter element facing the housing outlet opening.
  • Advantageously, the filter element may be a round filter element. The round filter element may have a round, oval or other cross-section. It may be a cylindrical or conical round filter element. The filter medium may advantageously be closed circumferentially. It can thus surround the element interior circumferentially. It may advantageously be closed circumferentially closed zigzag. It may also be provided an unfolded, circumferentially closed filter medium.
  • The filter element can advantageously be arranged coaxially to a filter axis in the filter housing. Advantageously, the axis of the filter element can be coaxial with the rotational and / or thru-axle of the corresponding closure means.
  • Advantageously, the filter housing can be openably closed with a housing cover. With the housing cover, a corresponding insertion opening for introducing and removing the filter element can be closed and released.
  • Furthermore, the housing outlet opening can advantageously be arranged in a housing lower part of the filter housing, in particular the housing cover. The housing lower part can be separated from an upper housing part for opening the filter housing, in particular for the purpose of replacing the filter element. The lower housing part may be separably connected to the upper housing part by means of a screw connection or a bayonet-type connection.
  • In addition, advantageously, a bypass valve may be provided, which allows for inadmissible pressure ratios between the Rohfluidseite, in particular the element outer space, and the clean fluid side, in particular the element interior, a fluid flow between the Rohfluidseite and the clean fluid side of the filter medium over. In this way, destruction of the filter medium can be prevented in unacceptable pressure conditions. Furthermore, at least a minimum fluid flow through the filter can thus be ensured, in particular in the case of a blockage of the filter medium.
  • Advantageously, the filter can be connected to a fluid trough in which the fluid of a fluid system to which the filter belongs can be collected. Advantageously, the filter housing can have a fluid connection to a tub interior of the fluid tub. The fluid connection can be closed in the ready state of the filter. It may be provided a closure device with which the fluid connection, in particular for maintenance purposes, can be opened. The fluid connection may advantageously be closed in the operational state of the filter with a peripheral wall of the housing base or the housing cover. The fluid connection can be advantageously released when removing the lower housing part or the housing cover. In this way, no separate actuation of a corresponding closure device of the fluid connection is required.
  • In an advantageous embodiment, at least sections cooperating with the closure means in the region of the element discharge opening, in particular an element sealing section, and the housing outlet opening, in particular a threaded area, can be coaxial with a common axis. The common axis may advantageously coincide in the assembled state with a longitudinal axis, in particular the rotary and / or thru-axis of the closure means. In this way, the closure means can be easily mounted and operated. When using a drain plug as a closure means whose thread can interact with the threaded portion of the Gehäuseablassöffnung.
  • In a further advantageous embodiment, an outer contour of the closure means may be suitable for a corresponding mating contour of the element discharge opening. In this way, a closure effect and / or a sealing effect can be improved. With appropriate optimization of the contours can be dispensed with a separate sealing element. Advantageously, the outer contour and the mating contour can each have a conical shape. Thus, the sealing effect and closure effect can be further improved. In addition, such an opening gap can be increased evenly with a corresponding movement of the closure means axially to a common axis. In addition, positioning of the closure means on or in the element discharge opening can be improved and / or simplified.
  • Advantageously, the outer contour of the closure means on the Element closure portion may be arranged. The mating contour may be arranged on the element sealing portion of the element discharge opening.
  • In a further advantageous embodiment, at least one seal can be arranged between the closure means and a corresponding sealing surface in the region of the element discharge opening. In this way, the sealing effect and / or closure effect in the region of the element discharge opening can be further improved. Advantageously, the at least one seal can be connected to the closure means.
  • In particular, the closure means may have a circumferential groove in which the seal may be arranged. Advantageously, the seal may be an O-ring seal. An O-ring seal makes it easy to achieve a circumferential sealing function.
  • Advantageously, the at least one seal can be arranged between the element closure section and the element sealing section.
  • Advantageously, a seal, in particular an O-ring seal, can be arranged between a housing sealing section on the side of the housing outlet opening and a housing closure section of the closure means. So there a sealing effect can be improved.
  • In a further advantageous embodiment, the separating element can be connected to a filter medium of the filter element. The filter medium can be easily pre-assembled with the separator. The separator can be easily replaced together with the filter medium. The separator with the element discharge opening can be used as an identification feature. The element discharge opening can be designed so that it can interact with a suitably designed closure means similar to a key-lock principle. An assembly of the filter element and / or a commissioning of the filter can in this case only take place when the corresponding separating element with the element discharge opening and the closure means used match. In this way it can be prevented that the filter can be operated with a wrong or incorrectly installed filter element. The reliability of the filter can be improved.
  • According to the invention, at least one support body is arranged on or in the filter element. By means of the support body, the filter medium can be supported. Thus, in particular during operation of the filter, it is possible to prevent the filter medium from collapsing or changing in shape in particular in the case of corresponding pressure differences between the clean fluid side and the raw fluid side. Advantageously, the support body may comprise or be a support tube whose peripheral wall is permeable to fluid. A support tube can be easily arranged, in particular in a coaxially constructed filter element, in particular a round filter element. The support body may advantageously be arranged in the element interior. In a round filter element, the support body between the end faces of the filter medium may extend in whole or in part in the axial direction. Advantageously, the support body may be made of a plastic. It can be made so easily.
  • The separating element and / or the supporting body may be separable from the filter medium. Thus, the support body and / or the separating element can be reused when replacing the filter medium.
  • When replacing the filter element, the separating element and / or the support body can be connected to the filter medium. The preassembled filter element unit can be easily arranged in the filter housing.
  • According to the invention, the separating element is connected to the at least one supporting body. In this way, the separating element can be manufactured, stored and / or mounted together with the supporting body. The support body and the separating element can thus be connected together in one operation with the filter medium. The separating element is integrally connected to the at least one supporting body.
  • In a non-claimed embodiment, the separating element may be separated from the at least one supporting body. In this way, the support body can be mounted separately from the filter medium and the separator in the filter housing. When replacing the filter element, the support body can be left in the filter housing. The support body can advantageously also be firmly connected to the filter housing. When replacing the filter element then only the separator and the filter medium can be replaced.
  • Advantageously, the separating element can be separated from the filter medium, so that it can be reused when replacing the filter medium.
  • In a further advantageous embodiment, the at least one support body can be connected or connectable to the filter housing. In this way, the support body easily on the Filter housing to be attached. The connection between the support body and the filter housing may advantageously be separable. So it can be solved easily. The support body can be easily replaced. If the support body is so connected to the filter element, in particular the filter medium and / or the separator that he must be mounted and removed together with this, the entire filter element unit can be easily connected by means of the separable connection to the filter housing and separated from it.
  • Advantageously, the connection between the support body and the filter housing by means of a rotational and / or insertion movement of the at least one support body relative to the filter housing be closed and separable. The connection can advantageously have a screw connection, a bayonet-type connection or a latching connection.
  • The technical object is further achieved with the filter element according to the invention, in which a separating element separates a clean fluid side of the filter element from a raw fluid side and which has an element discharge opening which can be closed by a closure means of a discharge device for fluid contained in the filter housing.
  • The advantages and features identified above in connection with the filter according to the invention and its advantageous embodiments apply correspondingly and vice versa for the filter element according to the invention and its advantageous embodiments.
  • The technical object is also achieved with the filter housing according to the invention in that the at least Gehäuseablassöffnung is arranged so that with the closure means an element discharge opening of a separating element which separates a clean fluid side of the filter element from a Rohfluidseite, can be closed.
  • The advantages and features identified above in connection with the filter according to the invention and the filter element according to the invention and their advantageous embodiments apply correspondingly and vice versa for the filter housing according to the invention and its advantageous embodiments.
  • The technical problem is solved by the way with the discharge device according to the invention, in which an element discharge opening in a separating element, which separates a clean fluid side of the filter element from a raw fluid side, can be closed with the closure means.
  • The advantages and features identified above in connection with the filter according to the invention, the filter element according to the invention and the filter housing according to the invention and their advantageous embodiments apply correspondingly and vice versa for the discharge device according to the invention and its advantageous embodiments.
  • list of figures
  • Further advantages, features and details of the invention will become apparent from the following description, are explained in more detail in the embodiments of the invention with reference to the drawing. The person skilled in the art will expediently also individually consider the features disclosed in the drawing, the description and the claims in combination and combine these into meaningful further combinations. It show schematically
    • 1 a section of an oil filter well module of an internal combustion engine of a motor vehicle with an oil filter, according to a non-inventive embodiment having an oil drain device;
    • 2 a section of an oil filter well module according to an embodiment of the invention, which to the oil filter well module from the 1 is similar;
    • 3 an oil drain plug of an oil drain device, which to the oil drain devices from the 1 and 2 is similar.
  • In the figures, the same components are provided with the same reference numerals.
  • Embodiment (s) of the invention
  • In the 1 is an oil filter tray module 10 an engine oil circuit of an internal combustion engine of a motor vehicle shown in a section. The oil filter tray module 10 includes an oil filter 12 for filtering the engine oil of the engine oil circuit. A peripheral wall of a filter housing 14 of the oil filter 12 is integral with a peripheral wall of an oil pan 16 connected. The filter housing 14 is with the housing of the oil pan 16 integrated. It is on the outside of the housing of the oil sump 16 arranged.
  • In the housing of the oil sump 16 Oil is absorbed from the lubrication points of the engine back into the oil sump 16 runs and the oil pan 16 up to an oil level 18 crowded. In the oil pan 16 the pressure prevails from the crankcase which, in the case of an internal combustion engine parked to change the oil, corresponds almost to the ambient pressure.
  • A housing cover 24 is from below in an insertion opening 26 of the filter housing 14 screwed. A circular cylindrical peripheral wall of the housing cover 24 has for this purpose an external thread. The peripheral wall of the filter housing 14 has a corresponding internal thread on its radially inner peripheral side. Between the peripheral wall of the housing cover 24 and the peripheral wall of the filter housing 14 is also an O-ring seal 28 for sealing the housing interior 20 arranged against the environment. The bottom of the housing cover 24 is on its housing interior 20 facing side concave. In the bottom is centrally a drain opening 30 arranged for oil.
  • In the filter housing 14 is a replaceable filter element 32 arranged. The filter element 32 Filters this from lubrication points or from the oil sump 16 coming oil. The filtered pure oil is passed to the lubrication points and / or cooling points of the internal combustion engine. The filter housing 14 has one to an imaginary axis 34 of the filter element 32 and the filter housing 14 eccentric oil inlet 36 and one to the axis 34 coaxial oil outlet 38 on. The crude oil flows in the exemplary representation in the filter housing 14 from radially outside to radially inside through a filter medium 40 of the filter element 32 ,
  • In the illustrated filter element 14 it is a so-called round filter element in a cylindrical shape with a round cross-section. The filter medium 40 is zigzag folded and circumferentially closed. At its end faces is the filter medium 40 each with an end plate 42 tightly connected. The end discs 42 are realized in the form of annular discs, which each one to the axis 34 coaxial opening to an element interior 44 respectively. In the element interior 44 is designed as a central tube support tube 46 arranged. The peripheral wall of the support tube 46 has a plurality of passage openings and is permeable to the engine oil.
  • The support tube 46 points to its the oil outlet 38 facing side a receiving portion 48 for a spring-loaded bypass valve 50 on. The bypass valve 50 is inside the element interior 44 , The recording section 48 goes on his element interior 44 axially facing away from the outside in one piece 52 about. The spigot 52 is in the oil outlet 38 plugged in. The support tube 46 with the filter element 32 are by means of the insertion tube 52 on the filter housing 14 fixed. The spigot 52 has on its radially outer peripheral side a sealing groove with an O-ring seal 54 on, with the one the filter element 32 outside surrounding inlet area 56 of the housing interior 20 from the oil outlet 38 is disconnected. The inlet area 56 is located on the inflow side on a crude oil side of the filter medium 40 ,
  • At the bypass valve 50 it is a bypass valve, which in case of an impermissible pressure difference, a plurality of bypass openings 60 releases and so in the case of a malfunction a Vorbeifluss the crude oil on the filter medium 40 allows by having a connection opening between the clean oil side and crude oil side of the filter element 32 opens. The bypass openings 60 are in one to the axis 34 radially extending annular disc portion of the receiving portion 48 , A compression spring 58 , picked up by the support tube 46 in the filter element 32 , pushes a valve body 62 in a resting position in which the bypass openings 60 , So the bypass opening cross-section, are closed. If there is an impermissible pressure difference, the bypass valve opens 50 the bypass openings 60 so that oil from the inlet area 56 bypassing the filter medium 40 gets to the lubrication points.
  • On the oil outlet 38 opposite side of the filter element 32 ends the support tube 46 at an axial distance to the local end face of the filter medium 40 ,
  • The drain opening 30 of the housing cover 24 is part of a total with 64 designated oil drain device. The drain opening 30 is coaxial with the axis 34 , It is in the normal installation condition of the oil filter 12 at the spatially lowest point of the bottom of the housing cover 24 , On the housing interior 20 facing inside of the bottom of the housing cover 24 is the drain opening 30 from a stepped receiving section 66 for an oil drain plug 68 surround. The recording section 66 is integrally connected to the ground. A floor facing, in its cross-section larger sealing area of the receiving portion 66 has on its radially inner peripheral side a sealing surface 70 on, on which an O-ring seal 72 is applied. The O-ring seal 72 is in a corresponding sealing groove, the radially outer peripheral side of the oil drain plug 68 arranged. With the O-ring seal 72 becomes the inlet area 56 of the housing interior 20 sealed against the environment.
  • To the oil drain plug 68 To solve or fasten, a tool holder is provided, for example, a hexagon socket or Torx. Additionally or alternatively, an actuating means for a tool-free operation may be attached, for example, contact surfaces for a manual operation.
  • A the bottom of the housing cover 24 in the axial direction facing away threaded area 74 the receiving section 66 has at its radially inner peripheral side on an internal thread, in which a corresponding external thread of the oil drain plug 68 is screwed. The threaded area 74 is also coaxial with the axis 34 , The inner cross-section of the threaded area 74 is smaller than the inner cross section of the sealing area with the sealing surface 70 ,
  • The oil drain plug 68 has at its free end an element closure section 76 on, with which they in their closed position the receiving section 66 surmounted in the axial direction. The radially outer cross section of the element closure portion 76 tapers to the free end of the oil drain plug 68 out.
  • The oil drain plug 68 also has a cavity which is open towards its free end.
  • The recording section 66 is radially outward from a circular cylindrical positioning ring web 78 surround. The positioning ring web 78 is coaxial with the axis 34 , It extends from the bottom of the housing cover 24 away in the axial direction to the filter element 32 out. The positioning ring web 78 is integral with the bottom of the housing cover 24 connected.
  • The oil drain device 64 also has a separator 80 , which closes the element interior 44 in the housing cover 24 facing opening at the end of the through the filter medium 40 formed filter medium bellows is inserted. The separating body 80 is a total of rotationally symmetric to the axis 34 , He points one to the axis 34 coaxial circular cylindrical plug-in section 82 on. The radially outer diameter of the insertion portion 82 is so large that it is close to the radially inner peripheral side of the filter medium 40 is applied. The insertion section 82 ends at an axial distance to the support tube 46 , Between the support tube 46 and the insertion section 82 there is a circumferential gap. Overall, so is the separator 80 not in this embodiment with the support tube 46 connected.
  • Furthermore, the separating body has 80 via an annular disk-shaped end side section 84 , which integral with the support tube 46 opposite side of the insertion 82 connected is. The frontal section 84 extends radially to the axis 34 outward. The frontal section 84 lies with one side flat close to the corresponding end plate 42 of the filter medium 40 on.
  • On the plug-in section 82 axially opposite outside of the front side portion 84 is a likewise circular cylindrical positioning section 86 arranged in one piece. With correctly mounted oil filter 12 is like in the 1 shown, the positioning section 86 radially inside the positioning ring web 78 of the housing cover 24 arranged. The positioning section 86 is with the positioning ring web 78 locked by means of a latching connection.
  • Radial inside the plug-in section 82 , the frontal section 84 and the positioning section 86 there is a separation section 88 , The separation section 88 goes in one piece in the front side section 84 about. The separation section 88 extends radially inward and axially into the element interior 44 , With correctly mounted housing cover 24 is the part of the recording section 66 with the internal thread inside the separating section 88 , The separation section 88 has one to the axis 34 coaxial element discharge opening 90 on.
  • The element discharge opening 90 is of a coaxial element sealing section 92 surround. The contour of the element sealing section 92 corresponds to the outer contour of the element closure portion 76 , With correctly installed oil drain plug 68 lies the element closure section 76 flat close to the element sealing section 92 and thus closes the element discharge opening 90 ,
  • The oil drain plug 68 seals in the area of the element sealing section 92 the element interior 44 against the inlet area 56 of the housing interior 20 from. The conical shape of the element closure section 76 the oil drain plug 68 and the corresponding conical shape of the element seal portion 92 allow a snug fit in the element sealing section 92 , It is sufficient that the local sealing point is made so dense that no significant proportion of pure oil from the element interior 44 get back to the crude oil side.
  • Will the oil drain plug 68 unscrewed, so initially flows the pure oil-side oil from the element interior 44 in the inlet area 56 of the housing interior 20 from. Will the oil drain plug 68 completely unscrewed, so can both the crude oil from the filter housing 14 as well as that in the filter element 32 contained pure oil, and the oil flowing from the crude oil line and the clean oil line, be drained.
  • Between the housing interior 20 of the filter housing 14 and the oil pan 16 is also a closable passage opening 93 intended. The passage opening 93 is on an operational oil filter pan module 10 from the peripheral wall of the housing cover 24 tightly closed. When unscrewing the housing cover 24 out of the filter housing 14 gives the peripheral wall of the housing cover 24 in an intermediate position, the passage opening 93 between oil pan 16 and filter housing 14 free. Through the passage opening 93 can the oil from the oil pan 16 in the filter housing 14 flow before the housing cover 24 the insertion opening 26 opens to the environment. The peripheral wall of the housing cover 24 can this distributed over the circumference have radial passage openings that the housing interior 20 of the filter housing 14 Lead, through which the oil from the oil pan 16 in an example, the first release position of the housing cover 24 of the filter housing 14 in the housing interior 20 can expire.
  • With removed oil drain plug 68 can remove the oil from the housing interior 20 through the drain hole 30 for example, run into a collecting container, not shown.
  • In this way, all of the oil from the oil circuit of the engine through the exhaust port 30 in the bottom of the housing cover 24 be drained off before the housing cover 24 for removing the filter element 32 is completely opened.
  • To replace the filter element 32 can the bellows-like filter medium 40 together with the separator 80 through the open insertion opening 26 of the filter housing 14 from the support tube 46 axially to the axis 34 be deducted down. Subsequently, the separating body 80 from the filter medium 40 be separated. The filter medium 40 can be disposed of. The separating body 80 can be used again. The separating body 80 can also with the filter medium 40 stay connected and disposed of with them.
  • Alternatively, the bellows-like filter medium 40 together with the support tube 46 after loosening the plug connection of the support tube 46 with the filter housing 14 from the housing interior 20 be removed. The support tube 46 can, preferably after previous removal of the bypass valve 50 , together with the filter medium 40 be disposed of. Alternatively, the support tube 46 from the filter medium 40 be separated and used again. The bypass valve 50 can in the support tube 46 remain.
  • For installation of the filter element 32 in is first the support tube 46 with the receiving section 48 and the bypass valve contained therein 50 ahead in the oil outlet 38 of the filter housing 14 attached. Then this is done with the separator 80 pre-assembled filter medium 40 with its open side ahead through the open insertion opening 26 on the support tube 46 plugged. Then the housing cover 24 from below into the insertion opening 26 screwed. The oil drain plug can do this 68 already in the recording section 66 be screwed. Alternatively, the oil drain plug 68 even after mounting the housing cover 24 be screwed.
  • Instead of the support tube 46 before installing the filter element 32 in the filter housing 14 It can also be fixed first in the element interior 44 of the filter medium 40 be plugged in. Subsequently, the filter element 32 together with the support tube 46 in the filter housing 14 to be built in.
  • The separating body 80 can also after installation of the filter medium 40 in the filter housing 14 to be assembled.
  • In the 2 is an inventive embodiment of the oil filter tank module 10 shown. In contrast to the first embodiment, here are the support tube 46 and the separator 80 designed in one piece. Instead, the recording section 48 for the bypass valve 50 separated from the support tube 56 designed as a separate component.
  • When replacing the filter element 32 becomes the support tube 46 with the separator 80 together with the filter medium 40 out of the filter housing 14 taken. The recording section 48 with the bypass valve 50 remain in the filter housing 14 ,
  • The support tube 46 with the separator 80 gets from the filter medium 40 separated. The filter medium 40 can be disposed of. The support tube 46 with the separator 80 can with a new filter medium 40 be reused. The installation of the filter element 32 takes place in reverse order.
  • In the 3 is an alternative embodiment of an oil drain plug 268 shown. Unlike the oil drain plug 68 from the embodiments of the 1 and 2 is here on a radially outer peripheral side of an element closure portion 276 which is a total of circular cylindrical, a sealing groove 294 with an O-ring seal 296 arranged. The O-ring seal 296 seals with a correspondingly shaped alternative element sealing portion, which is not shown, the element discharge opening. Instead of the O-ring seal 296 It is also possible to provide another type of additional sealing means, for example a molded seal or flat gasket.
  • In all embodiments of an oil filter well module described above 10 , an oil filter 12 and an oil drain device 64 Among others, the following modifications are possible:
  • The invention is not limited to an oil filter tank module 10 an internal combustion engine of a motor vehicle. Rather, it can also be used in a different type of filter for fluid, in particular fuel, water or air. It can also be used outside the automotive industry, for example in industrial engines. It can also be used outside of internal combustion engines. The invention can also be used with a separate oil filter that is separate from an oil pan.
  • The filter housing 14 can take place outside on the oil pan 16 also be integrated within the oil pan as a separate volume. The filter housing 14 Can be made in one piece with the oil pan 16 also be connected as a separate component in any way on the housing of the oil pan 16 be attached.
  • The filter element 32 Instead of being a round filter element, it can also be configured as a different type of filter element surrounding an element interior, for example a conical filter element. It may also be provided a round filter element with an oval or other cross-section.
  • The filter medium 40 instead of being folded in a zigzag shape, it may also be circumferentially closed in a different manner, for example unfolded.
  • The support tube 46 can take place over the spigot 52 by means of a plug connection with a different type of connection, for example a latching connection or a screw connection, with the filter housing 14 be connected and fixed. Instead of a detachable connection, a fixed connection can also be provided. In this case, the support tube 46 be fixed to the housing. The bellows-like filter medium 40 can then during installation on the housing-fixed support tube 46 be plugged.
  • The oil filter tray module 10 , in particular the oil filter 12 , can be used in an alternative application in a hydraulic circuit, for example of construction machinery or agricultural vehicles.
  • In an alternative embodiment, not shown, is also a reverse flow guidance of the oil in an oil filter 12 also possible without restriction. In this case, the functions of the oil inlet 36 and the oil outlet 38 reversed.

Claims (10)

  1. Filter (12) for fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle, with a filter housing (14) having at least one fluid inlet (36) and at least one fluid outlet (38) and in the one Filter element (32) is arranged so that it separates the at least one fluid inlet (36) from the at least one fluid outlet (38), and with a discharge device (64) for in the filter housing (14) contained fluid, the at least one Gehäuseablassöffnung (30) a closure element (80) which separates a clean fluid side (44) of the filter element (32) from a raw fluid side (56) has an element discharge opening (90) which communicates with the Closing means (68; 268) is closable, characterized in that at least one support body (46) is arranged on or in the filter element (32) and the separating element (80) with the least ns a support body (46) is integrally connected, and the separating element (80) has an integrally formed positioning portion (86) which is locked in a mounting position of the filter element (32) by means of a latching connection with a positioning ring web (78) of a housing cover (24) wherein the positioning portion (86) is disposed radially inwardly of the positioning ring land (78).
  2. Filter after Claim 1 , characterized in that at least with the closure means (68; 268) cooperating portions in the region of the element discharge opening (90), in particular an element sealing portion (92), and the Gehäuseablassöffnung (30), in particular a threaded portion (74), coaxial with a common axis (34) are.
  3. Filter after Claim 1 or 2 , characterized in that an outer contour (76) of the closure means (68) is adapted to a corresponding mating contour (92) of the element discharge opening (90).
  4. Filter according to one of the preceding claims, characterized in that between the closure means (268) and a corresponding sealing surface in the region of the element discharge opening at least one seal (296) is arranged.
  5. Filter according to one of the preceding claims, characterized in that the separating element (80) is connected to a filter medium (40) of the filter element (32).
  6. Filter after Claim 5 , characterized in that the separating element (80) is formed integrally with the filter medium (40) of the filter element (32).
  7. Filter according to one of the preceding claims, characterized in that the at least one support body (46) with the filter housing (14) is connected or connectable.
  8. Filter element (32) of a filter (12), in particular according to one of the preceding claims, for fluid, in particular an oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle, in a filter housing (14), which at least one fluid inlet ( 36) and at least one fluid outlet (38) can be arranged to separate the at least one fluid inlet (36) from the at least one fluid outlet (38), a separator (80) defining a clean fluid side (44) of the filter element (32) separates from a raw fluid side (56), an element discharge opening (90) which is closable with a closure means (68; 268) of a discharge device (64) for fluid contained in the filter housing (14), characterized in that on or in Filter element (32) at least one support body (46) is arranged and the separating element (80) with the at least one support body (46) is integrally connected, and the separating element (80) has an integrally formed positioning portion (86) which in a mounting position of the filter element (32) by means of a latching connection with a Positionierringsteg (78) of a housing cover (24) can be latched, wherein the positioning portion (86) radially within the positioning ring web (78 ) is arranged.
  9. Filter housing (14) of a filter (12) according to one of Claims 1 - 7 for fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle, which at least one fluid inlet (36) and at least one fluid outlet (38) and in which a filter element (32) can be arranged so that the at least one fluid inlet (36) separates from the at least one fluid outlet (38) and which has at least one housing outlet opening (30) for fluid contained in the filter housing (14) which is closable by a closure means (68; 268), characterized in that the at least one housing outlet opening (30) is arranged such that with the closure means (68; 268) an element discharge opening (90) of a separating element (80) which separates a clean fluid side (44) of the filter element (32) from a raw fluid side (56) , lockable.
  10. Discharge device (64) of a filter (12) according to one of Claims 1 - 7 for in a filter housing (14) of the filter (12) contained fluid, in particular oil, fuel, water or air, in particular an internal combustion engine, in particular a motor vehicle having at least one Gehäuseablassöffnung (30) in the filter housing (14), which with a closure means (68; 268), characterized by an element discharge opening (90) in a separating element (80) which separates a clean fluid side (44) of the filter element (32) from a raw fluid side (56), wherein the closure means (68; 268) the element discharge opening (90) is closable.
DE112013005747.6T 2012-11-30 2013-07-23 Filter, filter element, filter housing and discharge device of a filter Active DE112013005747B4 (en)

Priority Applications (3)

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DE102012023397.3 2012-11-30
DE102012023397 2012-11-30
PCT/EP2013/065494 WO2014082762A1 (en) 2012-11-30 2013-07-23 Filter, filter element, filter housing and discharge device of a filter

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DE102013018045A1 (en) * 2013-12-02 2015-06-03 Mann + Hummel Gmbh Filter device, in particular liquid filter
DE102014010388A1 (en) * 2014-07-14 2016-01-14 Mann + Hummel Gmbh Oil filter device and housing cover and housing pot of an oil filter device
US9789426B2 (en) 2015-01-26 2017-10-17 Caterpillar Inc. Flow cap and filter assembly including flow cap
USD754304S1 (en) 2015-01-26 2016-04-19 Caterpillar Inc. Filter cap
DE112016003243T5 (en) * 2015-08-31 2018-05-09 Cummins Filtration Ip, Inc. Filter connection seal
USD782000S1 (en) 2015-09-22 2017-03-21 Caterpillar Inc. Filter cap
USD777878S1 (en) 2015-09-22 2017-01-31 Caterpillar Inc. Filter cap
DE102017002283A1 (en) 2017-03-10 2018-09-13 Mann+Hummel Gmbh Filter element for a machine tool
DE102017012015A1 (en) * 2017-12-22 2019-06-27 Mann+Hummel Gmbh Filter element of a filter for liquid, Ablassverschlusselement for a discharge opening of a filter housing, housing part of a filter housing and filter
WO2020043511A1 (en) * 2018-08-28 2020-03-05 Mann+Hummel Gmbh Filter device, filter element and adapter part

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WO2014082762A1 (en) 2014-06-05
CN104797317A (en) 2015-07-22
CN104797317B (en) 2017-10-24

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