WO2017153210A1

WO2017153210A1 - Filter connection device of a filter device for connecting an interchangeable filter, and filter device

Info

Publication number: WO2017153210A1
Application number: PCT/EP2017/054679
Authority: WO
Inventors: Christian Thalmann
Original assignee: Mann+Hummel Gmbh
Priority date: 2016-03-11
Filing date: 2017-03-01
Publication date: 2017-09-14
Also published as: DE112017001262A5; DE102016002955A1

Abstract

This document describes a filter connection device (12) of a filter device (10) for connecting an interchangeable filter (14) for fluid, and a filter device (10). The filter connection device (12) comprises at least one connection line (72, 74, 82, 84) for fluid which, when the filter (14) is installed, can correspond to at least one corresponding fluid passage (26, 28) for fluid on the side of the filter (14). The filter connection device (12) has at least one connection element (30), that is on the connection side with respect to an imaginary axis (24) and can be connected by means of a rotation and/or plugging movement, for connecting the filter (14) to the filter connection device (12), which element forms at least one fluid passage for fluid at least with. The filter connection device (12) has at least one part (52) of a peripheral connection-filter sealing device (40, 42, 52) that seals the at least one filter (14) with respect to the environment. The filter connection device (12) comprises at least one fluid-conveying body (46) made of plastic and at least one support body (44) for supporting the fluid-conveying body (46), which is formed separately from the fluid-conveying body (46). The at least one support body (44) consists of a drawn part and has at least one part (52) of the connection-filter sealing device (40, 42, 52), and in particular forms this at least with.

Description

description

Filter connection device of a filter device for connecting a replaceable filter and filter device

Technical area

The invention relates to a filter connection device of a filter device for connecting at least one replaceable filter for fluid, in particular oil, fuel, urea water solution, hydraulic fluid, coolant, water, air or the like, in particular an internal combustion engine, in particular a motor vehicle, wherein the filter connection device comprises at least one connection line for fluid which, when the filter is mounted, can correspond to at least one corresponding fluid passage for fluid on the filter side, and the filter connection device has at least one connection-side connection element connectable to a virtual axis by means of a rotary and / or plugging movement for connecting the filter to the filter connection device, which at least one Fluid passage for fluid at least forms, and wherein the filter connection device at least a part of a relative to the at least one filter for Environment has sealing acting peripheral port filter sealing device.

Furthermore, the invention relates to a filter device with at least one Filteranschluss- device for connecting at least one replaceable filter for fluid, especially oil, fuel, urea water solution, hydraulic fluid, coolant, water, air or the like, in particular an internal combustion engine, in particular a motor vehicle, wherein the filter connection device at least a connection line for fluid, which may correspond with mounted filter with at least one corresponding fluid passage for fluid on the side of the filter, and the filter connection device at least one with respect to a virtual axis by means of a rotary and / or plug-in connectable connection-side connection element for connecting the filter with the filter connection device comprising at least one fluid passage for fluid at least with, and wherein the Filteranschlussvor- direction at least a part of a we has at least one filter to the environment sealingly acting peripheral port filter sealing device. State of the art

From EP 2 717 987 B1 a mounting support for a filter cartridge, which is provided with an outer housing known. The carrier has a base intended for connection to a lubrication circuit for an internal combustion engine. The base has an inlet for raw lubricating fluid, a cleaned lubricating fluid outlet and a conduit communicating with the inlet or outlet. An axial sleeve is tightly connected to the conduit. The axial sleeve forms part of a metallic attachment interface for contact with the filter cartridge. The base is made of a plastic material. The attachment interface comprises the metallic sleeve defining an axial passage communicating with the entrance or exit of the base through a first end of the axial sleeve, and a first annular seal portion interposed between the base and the axial sleeve Attachment interface is formed. The axial sleeve has attachment means selected between a thread, tenon or serrations provided at a second end, and permits attachment of the filter cartridge. An annular outer metallic member is fixedly attached to the axial sleeve and tightly connected to the base. Thereby, a second annular sealing area is formed between the base and the boundary of the attachment interface at a distance from the first annular sealing area. At least one opening permits fluid circulation between the first and second sealing areas. The opening communicates with the other of the entrance and the exit of the base.

The invention has for its object to design a filter connection device of the type mentioned, which can be made easier and / or their fluid line body and / or their holding function for holding the at least one filter can be improved.

Disclosure of the invention

This object is achieved in that the filter connection device comprises at least one fluid line body and at least one carrier body for supporting the fluid line body, wherein the at least one carrier body consists of a forming part, in particular a drawn part or deep-drawn part. According to the invention, the filter connection device comprises at least one fluid line body and at least one carrier body.

The at least one fluid line body comprises at least one connection line for fluid. The at least one fluid line body essentially has the function of forming the at least one connecting line. The at least one fluid line body can advantageously have at least one possibility for connection to external, for example stationary fluid lines of the fluid system for the at least one fluid line. The connection lines can be inlet lines for fluid to be cleaned and / or outlet lines for purified fluid. The fluid lines of the fluid system may be tubes.

The carrier body has the function to carry the Fluidleitungskorper. The carrier body can advantageously comprise at least one connecting section for fastening the at least one fluid line body. The carrier body serves for fastening the filter connection device to a stationary part of a fluid system and can for this purpose have at least one mounting section for attachment to the stationary part of the fluid system. Furthermore, the carrier body of the mechanical support of the at least one filter. In this way, mechanical holding forces for holding the filter are taken from the carrier body. The Fluidleitungskorper itself is less burdened by the holding forces.

The at least one carrier body can be easily manufactured as a drawn part. The drawn part may be formed from a urformed molding material.

Advantageously, the drawn part may be made of metal, in particular sheet metal. Metals can be easily formed by bending, deep drawing or the like. Sheets can be realized with relatively thin wall thicknesses. They can simply be bent, cut, punched, drilled, welded, soldered or the like.

Advantageously, at least one carrier body can be configured as a drawn part made of sheet metal, in particular sheet steel. In the case of drawn parts, in contrast to known aluminum die-cast parts, no machining is absolutely necessary. Furthermore, shorter cycle times can be realized with a drawn part. The at least one connection element may have at least one continuous interior space. In this way, the at least one connection element can at least co-educate at least one connection line. With the at least one connection element, at least one fluid-carrying space of the filter can thus be connected to at least one connecting line of the at least one fluid line body.

Advantageously, at least one connection-side connection element can have or form at least one connection piece. A connecting piece can be easily connected to corresponding connection openings on the side of the filter connection device, in particular of the at least one fluid line body, and / or on the side of the filter. A connection piece can be easily introduced by means of a rotary and / or plug connection in corresponding connection openings, in particular screwed or plugged in, or be placed on a surrounding this edge.

Advantageously, the filter can be designed as a so-called replaceable filter. In an exchangeable filter, at least one filter element in a filter housing is not arranged for replacement. The filter housing can be designed so that it is not non-destructive. Special replaceable filters, which can be screwed, screwed or screwed onto a corresponding filter connection device, can be referred to as so-called spin-on filters.

The filter connection device can advantageously be used to connect an exchangeable engine oil filter of an internal combustion engine of a motor vehicle. The engine oil filter may advantageously be part of an engine oil circuit of an internal combustion engine. It can serve for the purification of engine oil, which is supplied to the internal combustion engine. Alternatively, the filter connection device can serve to connect an exchangeable fuel filter of an internal combustion engine in a motor vehicle. The fuel filter may be part of a fuel circuit of an internal combustion engine. It can serve for the purification of fuel, in particular gasoline or diesel fuel, which is supplied to the internal combustion engine for combustion.

However, the invention is not limited to a filter connection device for engine Oil filter or fuel filter of internal combustion engines of motor vehicles. Rather, it can also be used in other types of fluid systems, in particular hydraulic systems, cooling systems, urea-water solution systems, water-carrying systems, air systems, air exhaust boxes, desiccant boxes or the like. The invention can be used in motor vehicles or other machines, in particular agricultural or construction machinery. The filter connection device can also be used outside the automotive industry, especially in industrial engines. Motor vehicles in the sense of the invention may be land vehicles, watercraft and / or aircraft.

In an advantageous embodiment, at least one Fluidleitungskorper a molding, in particular casting, injection molded part, injection molded part, rotating part or the like, be. Such moldings can be easily manufactured in complex form. Advantageously, at least one fluid line body can be produced by a forming process, in particular a casting process, spraying process, injection molding process or the like. Thus, complex shapes and / or cavities can also be realized in the at least one fluid line body. Advantageously, at least one fluid conduit body can be made of plastic or metal, in particular aluminum or an aluminum alloy, or have such a material. Plastics can be easily molded, in particular sprayed and / or cast. Metals can be sprayed and / or cast and / or machined, in particular as a turned part, realized.

In a further advantageous embodiment, at least one fluid line body and at least one carrier body can be connected to one another in connection to a respective separate production. In this way, the at least one fluid line body and the at least one carrier body can be produced separately from one another. It can be prefabricated in each case so different types of fluid line bodies and / or bodies. Corresponding Fluidleitungskorper and carrier body can be modularly connected together as needed. Thus, different types of Fluidleitungskorper body and carrier can be combined. Advantageously, modular Fluidleitungskorper be provided with a different number of connection lines for fluid. The modular Fluidleitungskorper can optionally be connected in each case with a corresponding carrier body.

Alternatively or additionally, modular carrier bodies can be provided in particular with different mounting sections. Depending on the installation space or connection type of the fluid system, a corresponding carrier body can be used modularly. Additionally or alternatively, the Fluidleitungskorper and carrier body can be connected to each other in different orientations. Thus, at least one connector section of at least one fluid line body can be arranged fixed in different orientations relative to the carrier body. Overall, the inventive division of the at least one fluid line body and the at least one carrier body different variants of the filter connection device can be easily realized and / or combined. The filter connection device can thus be easily adapted to corresponding installation spaces and / or connection conditions on the fluid system side.

Advantageously, at least one fluid line body can be connected in a fluid-tight manner to at least one carrier body at least in the region of a connecting line. In particular, at least one fluid-side fluid space of the filter connection device can be tightly separated from at least one fluid-side fluid space. The said fluid spaces can at least be co-formed by connection lines or communicate with them.

Advantageously, at least one fluid conduit body can be releasably connected to the at least one carrier body. In this way, if required, the at least one fluid line body can simply be mounted in a different orientation on the at least one carrier body or exchanged for another or different, in particular modular, fluid line body.

Advantageously, at least one fluid conduit body may be provided by means of at least one Screw connection to be connected to the at least one carrier body. Screw connections can be easily realized. Screw connections can be made detachable again. Advantageously, the at least one fluid line body can be connected to the carrier body by means of self-tapping or self-tapping screws. Self-tapping or self-tapping screws can simply be screwed in particular in plastic material of the fluid line body. In this way, no prefabricated threads for the screw connection are required. A manufacturing effort can be reduced.

Alternatively or additionally, at least one other type of cohesive and / or positive and / or non-positive detachable or non-destructively releasable connection between the at least one fluid line body and the at least one carrier body may be provided.

In a further advantageous embodiment, at least one carrier body can have at least one receiving area for receiving a corresponding connector section of at least one fluid line body.

Advantageously, at least one receiving area may be cup-shaped or cup-shaped. In this way, the connector section can be at least partially inserted into the receiving area. The receiving region can be surrounded by a circumferential wall, in particular a peripheral wall, which is circumferential with respect to an axis. The peripheral wall may surround and support the connector portion circumferentially. Furthermore, the connector section can be sealed against the circumferential wall, in particular with respect to a connecting axis of the connector section, with the receiving area in the radial direction. Advantageously, the connector section can be introduced by means of a rotary and / or plug connection around the connection axis into the receptacle.

Advantageously, the connector section and / or the at least one receiving area can be cylindrical and / or conical. In this way, the connector simply be introduced by means of a rotary and / or plug-in movement about the connecting axis in the at least one receiving area.

Advantageously, the connection axis of the connector section with the receiving region can be parallel or coaxial with the axis for connecting the at least one connection-side connection element. In this way, forces acting on the components of the filter connection device can be distributed more uniformly.

In a further advantageous embodiment, at least one fluid line body and / or at least one carrier body can have at least one section for connection to at least one connection-side connection element. With the at least one connection section, the at least one connection-side connection element can be held and / or connected to at least one corresponding connection line on the side of the filter connection device.

Advantageously, at least one section, in particular a connecting section, can be realized for connecting at least one connection-side connection element on the side of the at least one carrier body. In this way, the holding forces for the at least one connection element can be introduced into the carrier body. Corresponding holding forces on the at least one fluid line body can thus be reduced.

Advantageously, at least one connecting element may have a sealing seat. Accordingly, a connection opening of at least one fluid line body or at least one carrier body can be surrounded by at least one sealing section. The at least one sealing portion can simply cooperate sealingly with the sealing seat. Advantageously, at least one sealing section can be realized at the end of an annular wall of at least one fluid line body. The annular wall can form at least one connecting line of the fluid line body.

Advantageously, optionally at least one reinforcing element, in particular a reinforcing disk, can be arranged in the region of at least one section for connection. In this way, the at least one fluid line body and / or the at least one carrier body in the region of the at least one Ab- Section to be strengthened connection. Thus, forces from the at least one connection element can be better introduced into the corresponding section for connection and vice versa. Advantageously, at least one reinforcing element can be pressed into at least one receiving area of the carrier body for a connector section of at least one fluid line body. In this way, the connection of the at least one connection element with the carrier body and / or the at least one Fluidleitungskorper on the one hand and the connection of the at least one Fluidleitungs- body can be combined with the carrier body on the other. So space can be saved. Furthermore, an assembly effort and / or a component cost can be reduced.

Advantageously, at least one connecting element can be pressed into at least one reinforcing element. In this way, a solid, especially non-rotatable, connection can be realized.

In a further advantageous embodiment, at least one fluid line body can have at least one inlet line for fluid to be cleaned and / or at least one outlet line for purified fluid. In this way, fluid to be purified by the fluid line body can be supplied from a corresponding external fluid line to the filter and / or purified fluid can be removed from the filter into a corresponding external fluid line. Advantageously, at least one fluid line body can have both at least one inlet line and at least one outlet line. In this way, inlet and outlet can be realized in a single fluid conduit body.

Alternatively or additionally, at least one fluid line body can either have at least one inlet line or at least one outlet line. At least two fluid conduit bodies may be provided, each of which may have either an inlet conduit or an outlet conduit. a further advantageous embodiment can between at least one Carrier body and at least one fluid line body at least one Anschlussvor- direction sealing device may be arranged. With the at least one connection device sealing device, fluid-carrying regions within the filter connection device can be sealed off from one another and / or towards the environment.

Advantageously, the at least one connection device sealing device may optionally be arranged between at least one receiving region of the at least one carrier body and at least one corresponding connector section of the at least one fluid line body. In this way, in the region of the connection of the at least one fluid line body to the at least one carrier body, at least one fluid-conducting region can be sealed off from the environment.

Advantageously, the at least one connection device sealing device may have at least one connection device sealing surface on the side of the carrier body and / or at least one connection device sealing surface on the side of the fluid line body.

Advantageously, at least one connection device sealing device with respect to an axis, in particular the axis of the connection of the carrier body with the fluid line body, at least radially sealing effect.

Advantageously, at least one connector sealing surface may be a radial sealing surface. Advantageously, the at least one connection device sealing device may have an annular seal, in particular an O-ring seal. With a ring seal can be carried out with respect to an axis circumferential seal. O-ring seals can be arranged in a positionally tolerant manner on a radial sealing surface in the axial direction. They can advantageously act at least radially sealing.

In a further advantageous embodiment, at least one fluid line body may have at least one connection device for at least one fluid line on a side of at least one connection line facing away from the filter with respect to the fluid flow. In this way, an external, especially stationary, Fluid line, in particular a hose, are introduced directly to the corresponding connection line.

Advantageously, at least one connecting device can have at least one quick connector or a fir-tree connection or the like. Such connection devices can be easily, quickly connected and released again.

According to the invention, the carrier body has at least one part of the connection filter sealing device, in particular this at least forms with it. In this way, the sealing function between the filter connection device and the at least one filter can be at least partially taken over by the at least one carrier body. The connection filter sealing device can be configured such that the at least one fluid line body is not loaded by corresponding sealing forces. Holding forces between the at least one carrier body and the filter can contribute directly to improving the sealing function of the connection filter sealing device.

In a further advantageous embodiment, at least one section of at least one carrier body can at least form a boundary of at least one fluid-carrying space of the filter device. The at least one support body can, in particular in connection with corresponding components of the filter, delimit the at least one fluid-carrying space, in particular toward the environment.

Advantageously, at least one support body may have at least one bottom portion which faces the filter. The at least one bottom section may have at least one part, in particular a sealing surface, of the connection filter sealing device. The at least one bottom portion may define at least one fluid space on one side. The fluid space can be limited on the opposite side of a component of the filter, in particular of a housing cover of the filter housing.

This object is further achieved according to the invention in that the filter connection device has at least one fluid line body and at least one carrier body for carrying the Fluidleitungskorpers, wherein the at least one carrier body consists of a drawn part.

Incidentally, the features and advantages shown in connection with the filter connection device according to the invention and the filter device according to the invention and their respective advantageous embodiments apply mutatis mutandis and vice versa. The individual features and advantages can, of course, be combined with one another, whereby further advantageous effects can be achieved that go beyond the sum of the individual effects.

Brief description of the drawings

Further advantages, features and details of the invention will become apparent from the following description in which an embodiment of the invention with reference to the drawings is explained in more detail. 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 shows schematically a longitudinal section of a filter device with a connection device and a replaceable filter;

a detail of the longitudinal section of Figure 1 in the region of the connection device;

an isometric view of the connecting device of Figures 1 and 2 with viewing direction to a fluid line body; an isometric view of the connection device of Figures 1 to

3 with viewing direction on a connection side for the filter;

an isometric view of a carrier body of the connection device of Figures 1 to 4;

a reinforcing ring of the connecting device of Figures 1 to 4; an isometric view of the Fluidleitungskorpers the connection device of Figures 1 to 4;

a connecting piece of the connecting device of Figures 1 to 4.

In the figures, the same components are provided with the same reference numerals. Embodiment (s) of the invention

FIGS. 1 to 8 show a filter device 10 of a fluid system which is not otherwise shown in different perspectives, sections and individual representations. The filter device 10 can be used as a filter device for liquid or gaseous fluid, for example oil, fuel, urea water solution, hydraulic fluid, coolant, water, air or the like. Accordingly, the filter device 10 can be arranged in a corresponding fluid system, for example an engine oil circuit, a fuel system, a system for urea water solution, a hydraulic system, a coolant circuit, a water-carrying system, an air intake tract or the like. By way of example, the filter device can be assigned to an internal combustion engine of a motor vehicle.

The filter device 10 comprises a connection device 12, in the top of FIG. 1, at the bottom of which a filter 14 for the fluid is interchangeably arranged. The connection device 12 is fixed stationary, for example, to a frame of the fluid system and connected to corresponding stationary fluid lines.

The filter 14 is designed as a so-called replaceable filter or spin-on filter. It has a filter housing 16 with a housing pot 18. The housing pot 18 is closed at one end face with a housing cover 20. The housing cover 20 is fastened by means of a retaining ring 22 by means of a flared connection to the housing pot 18. The filter housing 16 is exemplary coaxial with an axis 24. The axis 24 coincides in the embodiment together with a connection axis of the filter 14 with the connection device 12, a connection axis of a support body 44 explained below with a fluid line body 46 of the connection device 12, a housing axis of the filter housing 16, an installation / removal axis of a filter element 38 in the housing pot 18 and an element axis of the Filterele- element 38. For the sake of clarity, the above-mentioned axes are provided in the following with the same reference numeral 24 and are briefly referred to as "axis 24". It will be understood that with the filter device 10 disassembled, depending on the context, it is meant the corresponding above-mentioned axes, hereinafter referred to as "radial,""coaxial,""axial,""circumferential,""eccentric," or the like In other embodiments of the invention, at least two of the above-mentioned axes may be eccentric parallel or oblique to each other. The housing cover 20 has a plurality of eccentrically arranged inlet openings 26 for the fluid to be cleaned. Furthermore, the housing cover 20 has a coaxial outlet opening 28 for purified fluid. The outlet opening 28 also serves as a connection opening for a connecting piece 30 of the connecting device 12. The radially inner edge of the housing cover 20, which surrounds the outlet opening 28, has an internal thread 32 for a screw 34 with a corresponding external thread 36 on the radially outer peripheral side of Connecting piece 30.

In the filter housing 16, a filter element 38 embodied by way of example as a round filter element is arranged coaxially so as to fluidly separate the inlet openings 26 from the outlet opening 28.

The retaining ring 22 is formed on the front-side outer side of the filter housing 16 to a circumferential sealing groove 40. In the seal groove 40, a connection filter seal 42 is arranged in the form of a coaxial flat ring seal. The port filter seal 42 is part of a port filter sealing device for sealing to the environment.

The connecting device 12 comprises the carrier body 44, the fluid line body 46 and the connecting piece 30. The carrier body 44 secures the connecting device 12 to a stationary part of the fluid system. With the Fluidleitungskorper 46, the connection device 12 is connected to the corresponding stationary fluid lines of the fluid system. The carrier body 44 is made of metal. The carrier body 44 is a drawn part, for example a drawn part made of sheet steel. The Fluidleitungskorper 46 is injection-molded from plastic, for example.

The carrier body 44 comprises a mounting section 48, in FIGS. 1 and 2 above, with which it can be attached, for example by means of screws to the stationary part of the fluid system.

On its side facing axially on the filter 14, the carrier body 44 has a bottom section 50. Radially outward, the bottom section 50 is planar in a coaxial annular section. There, the bottom portion 50 extends on its outside facing the filter 14 in a plane perpendicular to the axis 24. This region of the bottom portion 50 includes a coaxial annular connection filter sealing surface 52. At the connection filter sealing surface 52 is the connection filter Seal 42 sealingly in the axial direction.

Radially inside the connection filter sealing surface 52, the bottom section 50 in profile approximately S-shaped from radially outward to radially inwardly, first away from the filter 14 and then bent back to this. In this way, the bottom section 50 forms a coaxial, annular, approximately U-shaped circumferential wall 54 of a cylindrical, coaxial receiving area 56. A coaxial connector section 58 of the fluid line body 46 is inserted in the receiving area 56.

The radially inner peripheral side of a radially inner peripheral wall of the circumferential wall 54 has a terminal sealing surface 60. A side facing away from the filter 14 end of the circumferential wall 54 forms a coaxial, circumferential, axially directed stop 62 for a corresponding collar 64 of the connector portion 58th

Radially inside the radially inner circumferential wall of the circumferential wall 54, the bottom section 50 is bent to form a connecting section 66. In the connecting portion 66, the bottom portion 50 extends in a plane perpendicular to the axis 24. The connecting portion 66 has a coaxial carrier-side through opening 68 for the connecting piece 30. Radially outside the through opening 68, a plurality of circumferentially evenly distributed carrier-side passages 70 is arranged.

The fluid conduit body 46 includes the connector portion 58, an inlet conduit portion 72, and an outlet conduit portion 74. The connector portion 58, the inlet conduit portion 72, and the outlet conduit portion 74 are integrally connected together in the illustrated embodiment. The connector portion 58 is substantially coaxial with the axis 24. The inlet conduit portion 72 and the outlet conduit portion 74 are each tubular. They are located on the side of the connector section 58 which is axially facing away from the base section 50 of the carrier body 44. The inlet line section 72 and the outlet line section 74 are arranged on radially opposite sides of the axis 24. Respective axes of the inlet line section 72 and the outlet line section 74 are coaxial with each other and radial to the axis 24. The inlet line section 72 and the outlet line section 74 each have a quick coupling 76 at their free ends for connection to the respective stationary fluid lines.

The connector portion 58 has a coaxial cylindrical radially outer annular wall 78 and a coaxial cylindrical radially inner annular wall 80. The radially inner annular wall 80 separates a coaxial cylindrical outlet space 82 from a coaxial inlet annular space 84. The inlet annular space 84 is defined by the radially outer annular wall 78 of FIG Environment separately.

The outlet space 82 is fluidly connected to the interior of the outlet line section 74. The interior of the outlet line portion 74 and the outlet space 82 form an outlet connection line of the connection device 12. At its free end, the outlet space 82 opens into an interior space of the connection piece 30.

The inlet ring space 84 is fluid-conductively connected on one side to the interior of the inlet line section 72. The interior of the inlet section 72 and the inlet ring space 84 form an inlet connecting line of the connecting device 12. On the axially opposite side, the inlet annular space 84 is connected to the carrier-side passages 70. The radially outer annular wall 78 projects beyond the radially inner annular wall 80 in the axial direction. At its radially outer peripheral side has the radially outer annular wall 78 via the collar 64. The collar 64 extends radially outward.

The radially outer annular wall 78 has in a region which in the receiving area 56 of the carrier body 44 is inserted, on its radially outer peripheral side via two axially spaced coaxial circumferential projections. The projections define a radially outwardly open seal groove 86. In the seal groove 86, a port seal 88 is disposed. The port gasket 88 is configured as an O-ring seal. The terminal seal 88 abuts in the radial direction sealingly against the terminal sealing surface 60 of the circumferential wall 54 of the support body 44. The port gasket 88 seals the raw fluid side of the filter device 10 to the atmosphere. The receiving socket 30 has on its external thread 36 axially facing away from a radially outwardly projecting connection head 90. The radially outer diameter of the connection head 90 is greater than the radially inner diameter of the carrier-side insertion opening 68. On its radially inner peripheral side, the connection head 90 has a sealing seat 92 for the free end of the radially inner annular wall 80. The free end of the radially inner annular wall 80 forms a sealing portion, which cooperates sealingly with the sealing seat 92. Axially between the connection head 90 and the external thread 36 has the connecting piece 30 on its radially outer peripheral side via a knurling 94th

Axially between the connection head 90 and the bottom portion 50 of the support body 44, a coaxial reinforcing ring 96 is arranged. The reinforcing ring 96 is made of metal. The reinforcing ring 96 is flat. The reinforcing ring 96 has a plurality of ring-side passages 98. The ring-side passages 98 are arranged corresponding to the carrier-side passages 70.

The reinforcing ring 96 is pressed into the receiving region 56 of the carrier body 44. A radially inner circumference of the reinforcing ring 96 fits to the radially outer periphery of the connecting piece 30 in the region of the knurling 94. By four of the respective aligned passages 70 and 98 of the connector portion 58 axially facing away from each outer side a self-tapping screw 100 is inserted through and on the axial opposite side to the connector section 58. screwed.

To produce the connecting device 12, the carrier body 44, the fluid line body 46, the connecting piece 30 and the reinforcing ring 96 are each manufactured separately.

The reinforcing ring 96 is coaxially pressed into the receiving region 56 of the carrier body 44 such that the passages 98 of the reinforcing ring 96 are aligned with the carrier-side passages 70.

The connecting piece 30 is inserted with its threaded side first axially through the opening of the reinforcing ring 96 and the carrier-side insertion opening 68 and pressed. The knurling 94 forms with the radially inner peripheral side of the reinforcing ring 96 a rotation.

Alternatively, first the connecting piece 30 can be connected to the reinforcing ring 96 and then the connecting piece 30 and the reinforcing ring 96 can be pressed into the receiving area 56. The connector seal 88 is inserted into the seal groove 86 of the connector section 58 of the fluid line body 46.

The fluid line body 46 is inserted coaxially into the receiving region 56 of the carrier body 44 with the connector section 58 first. In this case, it may be necessary to rotate the fluid line body 46 about the axis 24 in order to align the inlet line section 72 and the outlet line section 74 parallel to a rear wall 102 of the carrier body 44. The fluid line body 46 can be arranged in two orientations. In the second orientation, not shown, the fluid line body 46 is arranged rotated by 180 ° with respect to the orientation shown about the axis 24. The inlet line section 72 and the outlet line section 74 are then located respectively on the sides opposite to the carrier body 44.

The screws 100 are then replaced from the outside by the corresponding through holes. Leave 70 and 98 plugged and screwed to the connector section 58. In the end position, the collar 64 of the fluid line body 46 bears against the stop 62 of the carrier body 44. The free edge of the radially inner annular wall 80 sealingly engages in the sealing seat 92 of the connecting piece 30. The port gasket 88 radially seals against the port sealing surface 60.

The connecting device 12 is fastened to the stationary part of the fluid system, for example by means of screws, via the mounting section 48 of the carrier body 44. For this purpose, corresponding mounting holes 103 are provided in the rear wall 102. As an alternative to vertical mounting, horizontal mounting is also possible. The stationary fluid lines of the fluid system are connected to the quick couplings 76 of the inlet line section 72 and the outlet line section 74.

The filter 14 is screwed with its housing cover 20 ahead on the connecting piece 30. In the end position, the bottom portion 50 with the housing cover 20 defines a fluid inlet space 104. The fluid inlet space 104 is toward the environment with the port filter seal 42, which is axially sealing against the terminal filter sealing surface 52 sealed. During operation of the fluid system, fluid to be cleaned flows from the corresponding inlet side of the stationary fluid conduit through the interior of inlet conduit section 72, inlet annulus 84, annulus passages 98, and carrier-side passages 70 into fluid inlet space 104 between carrier body 44 and the housing cover 20. From there, the fluid to be cleaned flows through the inlet openings 26 of the housing cover 20 and reaches the raw side of the filter element 38. The fluid to be cleaned flows through the filter element 38 from radially outside to radially inside and enters its element interior. From the element interior, the cleaned fluid flows into the interior of the connecting piece 30 and leaves the filter 14 through the outlet opening 38. The cleaned fluid passes from the interior of the connecting piece 30 into the outlet space 82. The fluid flows into the interior space of the latter Outlet line section 74 and leaves the connection device 12 in the direction of the corresponding stationary fluid line of the fluid system.

Claims

claims

1 . Filter connectionvornchtung (12) of a filter device (10) for connecting at least one replaceable filter (14) for fluid, in particular oil, fuel, urea water solution, hydraulic fluid, coolant, water, air or the like, in particular an internal combustion engine, in particular a motor vehicle, wherein the filter connection device ( 12) comprises at least one connecting line (72, 74, 82, 84) for fluid, which may correspond with at least one corresponding fluid passage (26, 28) for fluid on the filter side (14) when the filter (14) is mounted, and the filter connection device ( 12) has at least one connection-side connection element (30) which can be connected with respect to a virtual axis (24) by means of a rotary and / or plug movement for connecting the filter (14) to the filter connection device (12), which at least forms at least one fluid passage for fluid, and wherein the filter connection device (12) at least one Part (52) of a relative to the at least one filter (14) to the environment towards sealingly acting peripheral terminal filter-sealing device (40, 42, 52), characterized in that the filter connection device (12) at least one fluid line body (46 ) of plastic and at least one carrier body (44) for carrying the fluid line body (46) and for fastening the filter connection device (12) to a stationary part of a fluid system, wherein the at least one carrier body (44) is separate from the fluid line body (46). is formed, consists of a drawn part and at least a part (52) of the connection filter sealing means (40, 42, 52), in particular at least forms.

2. Filter connection device according to claim 1, characterized in that at least one fluid line body (46) is a molded part, in particular cast part, molded part, injection molded part, rotating part or the like.

3. Filter connection device according to claim 1 or 2, characterized in that at least one fluid line body (46) and at least one carrier body (44) are connected to one another following a respective separate production.

4. Filter connection device according to one of the preceding claims, characterized in that at least one carrier body (44) has at least one receiving area (56) for receiving a corresponding connector portion (58) of at least one fluid line body (46).

5. Filteranschlussvornchtung according to any one of the preceding claims, characterized in that at least one fluid line body (46) and / or at least one carrier body (44) has at least one portion (66, 92) for connection to at least one connection-side connection element (30).

6. Filter connection device according to one of the preceding claims, characterized in that at least one fluid line body (46) has at least one inlet line (72, 84) for fluid to be cleaned and / or at least one outlet line (74, 82) for purified fluid.

7. Filter connection device according to one of the preceding claims, characterized in that at least one connection device sealing device (60, 88) is arranged between at least one carrier body (44) and at least one fluid line body (46).

8. Filter connection device according to one of the preceding claims, characterized in that at least one fluid line body (46) at least one connecting device (76) for at least one fluid line on a relative to the flow idströmung the filter (14) facing away from at least one connecting line (72 , 74, 82, 84).

9. Filter connection device according to one of the preceding claims, characterized in that at least a portion (50) of at least one carrier body (44) forms a boundary of at least one fluid-carrying space (104) of the filter device (10) at least.

10. Filter device (10) with at least one filter connection device (12) for connecting at least one replaceable filter (14) for fluid, in particular oil, fuel, urea water solution, hydraulic fluid, coolant, water, air or the like, in particular an internal combustion engine, in particular one Motor vehicle, wherein the filter connection device (12) comprises at least one connecting line (72, 74, 82, 84) for fluid, which correspond with mounted filter (14) with at least one corresponding fluid passage (26, 28) for fluid on the side of the filter (14) can, and the filter connection device (12) at least one with respect to a virtual axis (24) connectable by means of a rotary and / or plug movement connection-side connection element (30) for connecting the filter (14) with the filter connection device (12), which at least at least one fluid passage for fluid forms, and wherein the Filteranschlussvorrich tung (12) has at least a portion (52) of a relative to the at least one filter (14) to the surrounding sealingly acting peripheral connection filter sealing means (40, 42, 52), characterized in that the filter connection device (12) at least one Fluidleitungskorper (46) made of plastic and at least one carrier body (44) for carrying the fluid line body (46) and for fastening the filter connection device (12) on a stationary part of a fluid system, wherein the at least one carrier body (44) separate from the Fluidleitungskorper (46) is formed, consists of a drawn part and at least a part (52) of the connection filter sealing means (40, 42, 52), in particular at least forms.