WO2017102755A1 - Cartouche de sécheur d'air et dispositif de conditionnement d'air comprimé - Google Patents

Cartouche de sécheur d'air et dispositif de conditionnement d'air comprimé Download PDF

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Publication number
WO2017102755A1
WO2017102755A1 PCT/EP2016/080838 EP2016080838W WO2017102755A1 WO 2017102755 A1 WO2017102755 A1 WO 2017102755A1 EP 2016080838 W EP2016080838 W EP 2016080838W WO 2017102755 A1 WO2017102755 A1 WO 2017102755A1
Authority
WO
WIPO (PCT)
Prior art keywords
air dryer
cartridge
dryer cartridge
compressed air
housing
Prior art date
Application number
PCT/EP2016/080838
Other languages
German (de)
English (en)
Inventor
Günther Reifinger
Andreas Ochsenkühn
Stefan SCHÄBEL
Andreas Leinung
Original Assignee
Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knorr-Bremse Systeme für Nutzfahrzeuge GmbH filed Critical Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
Priority to EP16815795.6A priority Critical patent/EP3390184A1/fr
Priority to CN201680082134.XA priority patent/CN108698583A/zh
Publication of WO2017102755A1 publication Critical patent/WO2017102755A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002—Air treatment devices

Definitions

  • the present invention relates to an air dryer cartridge and a compressed air treatment device, in particular for a compressed air treatment plant of commercial vehicles, and a compressed air treatment system with such a compressed air treatment device and such an air dryer cartridge.
  • Such air dryer cartridges and compressed air treatment devices are used for example in commercial vehicles such as trucks and tractors. These often have one or more compressed air consumers such as brake systems or air suspensions that need to be supplied with compressed air.
  • the compressed air is typically provided by a compressor, for example a reciprocating compressor driven by a drive motor of the vehicle.
  • the compressed air provided by the compressor usually has to be further processed.
  • the compressed air preparation systems provided for this purpose the compressed air is cleaned of dirt particles that have already been contained in the intake air, as well as oil and soot particles that are introduced by the compressor into the compressed air during the compression process, and moisture is deposited in the compressed air.
  • the compressed air treatment systems of commercial vehicles usually have air dryer cartridges that dehumidify the compressed air and can also absorb oil and dirt particles.
  • Conventional air dryer cartridges have a cartridge housing with a
  • Such an air dryer cartridge is disclosed for example in DE 10 2013 103 066 A1.
  • a bottom plate which is on the one hand connected to the mounting flange and on the other hand connected to the cartridge housing by means of a flange.
  • This base plate is shaped such that it has an annular recess into which a square sealing ring is inserted or is used, which is to effect a seal between the air dryer cartridge and the compressed air treatment device in the radial direction. Due to the pinching of the sealing ring in the recess in the floor panel, the position of the sealing ring is fixed and are assembly and disassembly of the sealing ring
  • the invention has for its object to provide an improved air dryer cartridge, which allows flexibility in the positioning of the sealing ring and / or simplifies mounting and dismounting of the sealing ring. It is a further object of the invention to provide an improved compressed air treatment device which allows easy adjustment of the positioning of the sealing ring on the air dryer cartridge and / or simplifies mounting and demounting of the sealing ring.
  • the air dryer cartridge according to the invention has a cartridge housing with a closed housing cover, a received in the cartridge housing
  • a first sealing surface is provided on a side facing away from the housing cover of the cartridge housing end face of the air dryer cartridge, which is substantially planar in a plane substantially perpendicular to a longitudinal axis of the air dryer cartridge and in the radial direction perpendicular to the longitudinal axis of the air dryer cartridge within an outer third of the air dryer cartridge extends at least 10 mm.
  • a first is proposed on the air dryer cartridge
  • sealing surface which extends in the radial direction perpendicular to the longitudinal axis of the air dryer cartridge over at least 10 mm substantially planar. Since this extent of extension of the first sealing surface is greater than the width dimensions of the sealing rings used in the rule, the position of the sealing ring is not fixed, but can within the limits of the sealing surface depending on the existing conditions (eg, depending on the design and dimensioning of Compressed air preparation device on which the air dryer cartridge is to be mounted) can be freely selected.
  • the seal ring can be easily applied to the first seal surface without having to be clamped in a recess or the like, so that assembly and disassembly the sealing ring are simplified.
  • the invention also allows the use of sealing rings with a smaller height dimension, since they can be reduced by a height required for clamping in the groove of the floor panel Liehe part height.
  • a bottom plate is provided on the housing cover facing away from the front side of the air dryer cartridge, which is attached to the cartridge housing and / or the mounting flange or
  • the cartridge housing is placed on its open front side a predetermined length substantially flat around the mounting flange around and the first sealing surface is formed by this folded portion of the cartridge housing.
  • the mounting flange is at least partially planed on its outer side remote from the housing cover of the cartridge housing and the first sealing surface is formed by this planar portion of the mounting flange.
  • the mounting flange is at the
  • the adapter may be provided as an alternative or in addition to the plan, folded cartridge case or the planar mounting flange of the above embodiments.
  • a sealing ring may rest against the first sealing surface, wherein between the sealing ring and the first sealing surface an adhesive layer for prefixing the sealing ring on the first sealing surface is provided during assembly of the air dryer cartridge to a compressed air treatment device.
  • the compressed air treatment device has a connection piece for fastening an air dryer cartridge to the compressed air treatment device, wherein a longitudinal axis of the connection piece extends substantially coaxially to a longitudinal axis of the air dryer cartridge when the air dryer cartridge is attached to the compressed air treatment device, and a second sealing surface on an outside facing the air dryer cartridge to be fastened the compressed air treatment device, which is substantially planar in a plane substantially perpendicular to the longitudinal axis of the connecting piece, on.
  • a support projection is provided on the outside of the compressed air treatment device facing the air dryer cartridge to be fastened, which adjoins the second sealing surface in the radial direction perpendicular to the longitudinal axis of the connection piece and extends substantially parallel to the longitudinal axis of the connection piece in the direction of the air dryer cartridge to be fastened and Having on its the connecting piece facing inside a bearing surface for a sealing ring.
  • the compressed air treatment device it is proposed to equip the compressed air treatment device with a support projection on which a sealing ring can be supported in the radial direction. Due to the radial support of the sealing ring on the support projection can be dispensed with appropriate fixing measures on the part of the air dryer cartridge, which can therefore be designed simpler and cheaper.
  • the air dryer cartridge it is possible to design the air dryer cartridge in such a way that it permits a variable adaptation of the position of the sealing ring relative to the air dryer cartridge, as is realized, for example and particularly advantageously, in the air dryer cartridge of the invention described above. In the generally prevailing pressure conditions, a one-sided radial support of the sealing ring by the supporting projection is sufficient.
  • the contact surface of the support projection extends in a direction parallel to the longitudinal axis of the connecting piece over a height which is smaller than a height dimension of a sealing ring to be used in a direction parallel to the longitudinal axis of the connecting piece.
  • the support projection on its side facing the air dryer cartridge side facing an end portion which is arranged in the radial direction perpendicular to the longitudinal axis of the connecting piece outside the contact surface of the support projection and outside a cartridge housing to be fastened air dryer cartridge, wherein the supporting projection including end section in the direction parallel to the longitudinal axis of the connecting piece extends overall over a height which is greater than a height dimension of a sealing ring to be used (eg in the compressed state, preferably in the relaxed initial state of the sealing ring) in a direction parallel to the longitudinal axis of the
  • the support projection or its end portion can thus as
  • the support projection - depending on the height dimension of its end portion - also represent a protection against splashing.
  • the support projection may preferably have in the region of its end portion at least one opening or recess which extends in a direction transverse to the longitudinal axis of the connecting piece through the end portion. This recess or opening serves to discharge liquid (drainage) of a gap between the support projection, the sealing ring and the air dryer cartridge.
  • a sealing ring bears against the second sealing surface, an adhesive layer being provided between the sealing ring and the second sealing surface for prefixing the sealing ring to the second sealing surface during assembly of an air dryer cartridge to be fastened to the compressed air treatment device.
  • a plane or substantially planar surface should comprise all types of surfaces which, in conjunction with an adjacent sealing ring (optionally with the interposition of an adhesive layer, an elastic layer or the like), ensure a reliable sealing effect against fluids.
  • the (substantially) plane surface has no significant elevations or depressions.
  • the (substantially) planar surface may have a certain surface roughness.
  • the invention also relates to a compressed air treatment system with a compressed air treatment device according to the invention described above and an air dryer cartridge according to the invention described above. The present invention is particularly suitable for use in compressed air treatment systems of a commercial vehicle advantageous.
  • FIG. 1 show, for the most part schematically, a partial sectional view of a compressed air preparation system according to a first exemplary embodiment of the invention; a partial sectional view of a compressed air treatment system according to a second embodiment of the invention; a partial sectional view of a compressed air treatment system according to a third embodiment of the invention; a perspective view of a support projection of a compressed air treatment device according to an embodiment of the invention; and a simplified illustration of an air dryer cartridge of the invention for illustrating various dimensions.
  • Fig. 1 shows the structure of a compressed air treatment system with an air dryer cartridge according to the invention and a Druckluftaufhneungs- device according to the invention according to a first embodiment.
  • the air dryer cartridge 10 is substantially rotationally symmetrical to a longitudinal axis 12 and has a substantially cylindrical or cup-shaped Cartridge housing 14 with a closed housing cover 16, which is designed in the form of a deep-drawn sheet metal.
  • the housing cover 16 facing away from the open end of the cartridge housing 14 is closed with a mounting flange 18 (preferably made of metal).
  • the mounting flange 18 is fixed and fluid-tightly connected to the cartridge housing 14.
  • the mounting flange 18 has, for example, an annular inlet opening 20 and, for example, a circular, central outlet opening 24.
  • the outlet opening 24 is arranged in the radial direction transversely to the longitudinal axis 12 within the inlet opening 20.
  • inlet and outlet in this context refer to the fluid flow direction through the air dryer cartridge during normal operation to dry and purify the fluid. In the regeneration mode, the air dryer cartridge 10 and thus the inlet and outlet openings 20, 24 are flowed through in the reverse direction.
  • the central Auslasso réelle 24 is bounded by a mounting sleeve 22 of the mounting flange 18.
  • This attachment piece 22 is provided with an internal thread.
  • the air dryer cartridge 10 is mounted on a compressed air treatment device 30, which is part of a compressed air treatment plant.
  • the compressed air treatment device 30 has a connecting piece 32 which is provided with an external thread.
  • the air dryer cartridge 10 can be screwed to the attachment piece 22 of its mounting flange 18 on the connecting piece 32 of the compressed air conditioning device 30.
  • the screw 34 between the attachment piece 22 and the connecting piece 32 forms a detachable, but fluid-tight connection between the air dryer cartridge 10 and the compressed air treatment device 30.
  • the longitudinal axis 12 of the air dryer cartridge 10 and the longitudinal axis of the connecting piece 32 of the compressed air treatment device 30 are coaxial.
  • the compressed air treatment device 30 has, for example, an annular first opening 36, which in the installed state of the air dryer cartridge 10 is in fluid communication with the inlet opening 20 of the mounting flange 18.
  • the printing Air conditioning device 30 further comprises, for example, a circular second opening 38, which in the assembled state of the air dryer cartridge 10 is in fluid communication with the outlet opening 24 of the mounting flange 18.
  • the arrows a symbolize the fluid flow direction during normal operation of the air dryer cartridge 10
  • the arrows b symbolize the fluid flow direction in the regeneration operation of the air dryer cartridge 10th
  • the air dryer cartridge 10 also has an inner housing 40, which consists of a first part 40a and a second part 40b and is preferably formed of a plastic material.
  • Housing 40 is arranged in the radial direction transversely to the longitudinal axis 12 outside of the second part 40 b of the inner housing 40.
  • a desiccant 60 eg silica gel.
  • the first part 40 a of the inner housing 40 is provided at a wall portion with a plurality of openings 42 which are in fluid communication with the inlet opening 20 of the mounting flange 18.
  • the compressed air from the compressed air treatment device 30 can flow through the inlet opening 20 in the mounting flange 18 and the openings 42 of the inner housing 40 into the interior of the cartridge housing 14.
  • the wall 42 provided with the openings of the first part 40a of the inner housing 40 is surrounded by a filter device 44 in the form of a coalescence filter or oil filter.
  • the filter device 44 is, for example, wound around the wall of the first part 40a of the inner housing 40 that runs essentially parallel to the longitudinal axis 12 of the air dryer cartridge 10. In this way, the
  • the filter device 44 is in turn surrounded by a so-called wicking material 46, which may be formed by a porous material, a nonwoven material, etc. and is permeable to air.
  • the wicking material 46 prevents oil contamination of the desiccant 60.
  • the filter device 44 is flowed through in the radial direction of the compressed air.
  • a space region 64 radially outside the filter device 44 is also filled with desiccant 60.
  • the space inside the cartridge housing 14 can be optimally utilized for receiving the desiccant 60, so that, as a result, less space is required for the desiccant 60 and the air dryer cartridge 10 thus having a smaller diameter of, for example, only about 126 mm (as compared to FIG a diameter of about 140 mm conventional air dryer cartridges) can be constructed.
  • a smaller diameter in turn has advantages in terms of
  • the height of the air dryer cartridge 10 can be reduced.
  • a bypass 48 is provided below the filter device 44.
  • a bypass 48 is provided in the first part 40 a of the inner housing 40 openings 50 are provided, which the interior of the
  • a check valve 52 is also arranged. The check valve 52 prevents in normal operation of the air dryer cartridge 10 that compressed air from the inlet opening 20 at the
  • Filter means 44 flows through the bypass 48 unpurified in the desiccant 60, but allowed in the regeneration mode of the air dryer cartridge 10 a
  • the check valve 52 is preferably formed of a plastic material (eg, an elastomer). It is preferably designed in one piece with the first part 40a of the inner housing 40. A space portion 64a radially outward of the check valve 52 may also be filled with desiccant 60. In this way, the space within the cartridge housing 14 can be used even more effectively for receiving the desiccant 60.
  • a plastic material eg, an elastomer
  • the first part 40a of the inner housing 40 in the region of the bypass 48 fluid-tightly connected to the mounting flange 18, for example glued.
  • a sealing lip 54 is provided on the first part 40a of the inner housing 40, which is preferably formed integrally therewith and is preferably resiliently biased against the attachment piece 22.
  • the second part 40b of the inner housing 40 has openings 56 in the central region, which connect the interior of the cartridge housing 14 with the outlet opening 24.
  • a sealing lip 58 is provided, which is preferably formed integrally therewith and is preferably resiliently biased against the first part 40 a of the inner housing 40.
  • the second part 40b of the inner housing 40 is in the axial direction, d. H. parallel or coaxial with the longitudinal axis 12 of the air dryer cartridge 10 in the cartridge housing 10 movable.
  • a biasing member 62 in the form of a compression spring which is supported against the first part 40 a of the inner housing 40, the second part 40 b of the inner housing 40 is pressed toward the housing cover 16 to compress the desiccant 60.
  • the second part 40b of the inner housing 40 is configured such that a part of the desiccant 60 is arranged in a spatial area 66 in the radial direction within the biasing element 62. Due to this optimum use of space inside the cartridge housing 14, the air dryer cartridge 10 can be smaller, d. H. be configured with a smaller diameter and / or a smaller height.
  • FIG. 5 shows various dimensional details of an air dryer cartridge shown greatly simplified, which are relevant in the air dryer cartridge 10 according to the invention.
  • a height of the air dryer cartridge 10 (in the axial direction parallel to the longitudinal axis 12 of the air dryer cartridge) is designated by the reference numeral 69, a maximum outer diameter of the air dryer cartridge 10 and its cartridge housing 14 (in the radial direction perpendicular to the longitudinal axis 12 of the air dryer cartridge) is denoted by the reference numeral 68 characterized.
  • a radial diameter of the space area 66, in which desiccant 60 is present radially within the biasing member 62, is indicated at 67, and a radial width of the space area 64, in FIG the desiccant 60 is present radially outside the filter device 44 is denoted by the reference numeral 64.
  • the maximum outer diameter 68 of the cartridge housing 14 is at most about 130 mm, for example about 126 mm; the maximum outer diameter 68 of the cartridge housing 14 is at most about 80%, for example about 70 to 75% of the height 69 of the cartridge housing 14; the radial width 65 of the space portion 64 is at least about 10%, more preferably at least about 12% of the outer diameter 68 of the cartridge housing 14, or at least about 10 mm, preferably at least about 15 mm; and the radial diameter 67 of the space portion 66 is at least about 25%, more preferably at least about 30%, of the outer diameter 68 of the cartridge housing 14 and at most about 45 mm, more preferably at most about 40 mm.
  • the height 69 of the air dryer cartridge 10 is about 165 mm, the outer diameter 68 of the cartridge housing 14 about 126 mm, the radial width 65 of the space portion 64 about 18.5 mm, and the radial diameter 67 of the space portion 66 about 40 mm.
  • a sealing ring 70 preferably a square sealing ring is arranged between these two elements.
  • the sealing ring 70 has, for example, a width (in the direction perpendicular to the longitudinal axis 12) in the relaxed initial state in the range of about 5 to 8 mm, preferably from about 6 to 6.5 mm, a height (in the direction parallel to the longitudinal axis 12) in the relaxed
  • the sealing ring 70 rests on the one hand on a first sealing surface 80 of the air dryer cartridge 10 and on the other hand on a second sealing surface 82 of the compressed air treatment device 30.
  • the sealing ring 70 is compressed and creates a fluid-tight seal with respect to the two sealing surfaces 80, 82nd
  • the first sealing surface 80 is provided on a side facing away from the housing cover 16 of the cartridge housing 14 front side of the air dryer cartridge 10. It runs in a plane substantially perpendicular to the longitudinal axis 12 of the air dryer cartridge 10 is substantially flat. In addition, the first sealing surface 80 extends in radial
  • the first sealing surface 80 is formed by the plate of the cartridge housing 14, which is placed on the open end side of the cartridge housing 14 a predetermined length substantially flat around the mounting flange 18 around.
  • the cartridge housing 14 is folded around the fastening flange 18 by approximately 15 mm so that the first sealing surface 80 likewise extends over approximately 15 mm in the radial direction, without this embodiment being restricted to these dimensions.
  • the folded portion 15 of the cartridge housing 14 may also be welded to the mounting flange 18, soldered or glued.
  • the second sealing surface 82 is formed on one of the air dryer cartridge 10 facing outside of the compressed air treatment device 30. It runs in a plane substantially perpendicular to the longitudinal axis of the connecting piece 32 and thus also substantially perpendicular to the longitudinal axis 12 of the air dryer cartridge substantially flat. The first and second sealing surfaces 80, 82 thus run substantially parallel to one another.
  • a circumferential support projection 72 is provided on the compressed air treatment device 30, preferably integrally formed therewith.
  • This support projection 72 adjoins the second sealing surface 82 in the radial direction perpendicular to the longitudinal axis 12 of the air dryer cartridge 10.
  • the support projection 72 projects substantially parallel to the longitudinal axis 12 of the air dryer cartridge 10 in the direction of Air dryer cartridge 10 and has on its the connecting piece 32 facing inside a contact surface 73 for the sealing ring 70.
  • the contact surface 73 of the support projection 72 extends in a direction parallel to the longitudinal axis 12 of the air dryer cartridge 10 over a height which is smaller than a height dimension of the sealing ring 70 in a direction parallel to
  • the height dimension of the abutment surface 73 of the support projection 72 is about 3.5 to 4.0 mm.
  • Support projection 72 comes into contact and the sealing ring 70 can accordingly be compressed sufficiently to ensure the desired sealing effect.
  • the support projection 72 has an end section 74 on its front side facing the air dryer cartridge 10. As illustrated in Fig. 1, this end portion 74 is in the radial direction perpendicular to the longitudinal axis 12 of the air dryer cartridge 10 outside the abutment surface 73 of the support projection 72 and outside the
  • Cartridge housing 14 of the air dryer cartridge 10 is arranged.
  • the support projection 72 including the end portion 74 extends in the direction parallel to the longitudinal axis 12 of the air dryer cartridge 10 in total over a height which is greater than the height dimension of the sealing ring 70.
  • the total height dimension of the support projection 72 is about 10 to 15 mm.
  • the end portion 74 of the support projection can thus serve as a positioning aid in the assembly of the air dryer cartridge 10 to the compressed air treatment device 30.
  • the end portion 74 of the support projection 72 may serve as splash protection.
  • This construction of the first and second sealing surfaces 80, 82 for the sealing ring 70 causes the position of the sealing ring 70 is not fixed in the radial direction, but within the limits of the sealing surfaces 80, 82 can be chosen freely. This results in a greater flexibility in the combination of air dryer cartridges 10 with different compressed air treatment devices 30 and different air dryer cartridges 10 with a compressed air conditioning device 30th.
  • the sealing ring 70 can be very easily applied to the first sealing surface 80, so that the assembly and disassembly of the sealing ring 70 are simplified.
  • the air dryer cartridge 10 can be dispensed with a bottom plate and a corresponding flare connection between base plate and cartridge housing 14, so that the material and assembly costs of the air dryer cartridge 10 are reduced.
  • the sealing ring 70 it can be prefixed to the compressed air treatment device 30 with an adhesive layer or adhesive strip on the first sealing surface 80 of the air dryer cartridge 10 or on the second sealing surface 82 of the compressed air treatment device 30 prior to assembly of the air dryer cartridge 10.
  • the air dryer cartridges 10 are usually supplied with a protective cover, which covers the housing cover 16 facing away from the front side of the air dryer cartridge 10. In this protective cover, the sealing ring 70 may be inserted as a separate component.
  • a protective film may be removed from the seal ring 70 to expose the adhesive layer on the seal ring 70.
  • the sealing ring 70 may then be fixed to the first or the second sealing surface 80, 82 before the air dryer cartridge 10 is screwed onto the compressed air treatment device 30.
  • the sealing ring 70 may already be fixed to the air dryer cartridge 10 in the delivered state. Instead of gluing and fatliquoring is conceivable, which ensures adequate adhesion.
  • sealing ring 70 eg the side facing the first sealing surface 80
  • the sealing ring 70 can then slide over the second sealing surface 82 until the necessary pressure is reached.
  • the above-described construction of the first and second sealing surfaces 80, 82 for the sealing ring 70 advantageously also offers the possibility of positioning the sealing ring 70 relatively far outward in the radial direction or the outer diameter 68 of the cartridge housing 14 relatively little beyond the outer diameter of the sealing ring 70 to survive.
  • a radial projection dimension 78 of the cartridge housing 14 in the radial direction relative to the sealing ring 70 is for example only a maximum of about 5 mm or a maximum of about 5% of the outer diameter of the cartridge housing 14, in the embodiment of Fig. 1 only about 1, 5 to 2.0 mm , As illustrated in Fig. 1, there is a general possibility that liquid (e.g., condensed water, splash water, etc.) accumulates in the space between the support projection 72, the seal ring 70, and the cartridge case 14. In an advantageous development of the embodiment of FIG. 1, therefore, the support projection 72 with one or preferably more openings / holes or
  • Recesses are designed to drain this gap.
  • FIG. 4 shows an example of a corresponding embodiment of the support projection 72, wherein for the sake of clarity, only one recess 76 is shown.
  • the recess extends through the entire end portion 74 of the support projection 72 in the width direction of the support projection 72.
  • the compressed air treatment device 30 facing lower edge of the recess 76 is located in
  • the openings or recesses 76 are preferably sloping outwards in the radial direction, i. designed inclined toward the Druck Kunststoffaufleungs- device 30, so that the water can flow better.
  • Fig. 2 shows the structure of a compressed air treatment system with an air dryer cartridge according to the invention and a compressed air treatment device according to the invention according to a second embodiment.
  • the same components and components are identified by the same reference numerals as in the first embodiment.
  • the second embodiment differs from the first embodiment described above by the construction of the first sealing surface on the air dryer cartridge.
  • the cartridge housing 14 ends at the front side facing away from the housing cover 16 in the region of the outside of the housing
  • Mounting flange 18 The end of the cartridge housing is fixedly and fluid-tightly connected to the peripheral edge of the mounting flange 18, for example, welded, soldered or glued.
  • the first sealing surface 80 is formed by the outside of the mounting flange 18 facing the compressed air treatment device 30. For this is the
  • the compressed air treatment system of this embodiment corresponds to the compressed air treatment system of the first embodiment.
  • FIG. 3 shows the construction of a compressed air treatment system with an air dryer cartridge according to the invention and a compressed air treatment device according to the invention according to a third exemplary embodiment.
  • the same components and components are identified by the same reference numerals as in the first embodiment.
  • the third embodiment also differs from the embodiments described above by the construction of the first sealing surface on the air dryer cartridge.
  • the cartridge housing 14 terminates at the end facing away from the housing cover 16 in the region of the outside of the mounting flange 18.
  • the end of the cartridge housing is firmly and fluid-tightly connected, for example welded, to the peripheral edge of the mounting flange 18. soldered or glued.
  • the first sealing surface 80 for the sealing ring 70 is provided by an adapter 26, which is provided on the end face of the air dryer cartridge 10 facing away from the housing cover 16, in particular attached to the cartridge housing 14 and / or the mounting flange 18 or attachable. This adapter 26 is at its the
  • the adapter 26 remote from the outside at least partially designed plan, so that the first sealing surface 80 can be formed by this planar portion of the adapter 26.
  • the adapter 26 is also used in combination with the first embodiment, i. H. with the folded portion 15 of the cartridge housing 14, and in particular also with other air dryer cartridges, the housing cover 16 facing away from the end face is not designed plan, conceivable.
  • the adapter 26 may be configured as a simple floor panel.
  • the compressed air treatment system of this embodiment corresponds to the compressed air treatment systems of the first and second embodiments.
  • the present invention is not limited to the above-described embodiments of the compressed air processing system. On the contrary, those skilled in the art will recognize numerous variants and modifications that fall within the scope of the claims. While the inner housing 40 is constructed in the described embodiments each of a first part 40a and a second part 40b, the inner housing 40 may be formed integrally in other embodiments or be composed of more than two housing parts.
  • check valve 52 and the sealing lips 54, 58 are each formed integrally with the inner housing 40 in the described embodiments, these components 52, 54, 58 may also be used in other embodiments be formed separate components, which are connected to the inner housing 40.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Gases (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

Cartouche de sécheur d'air (10), notamment pour un système de conditionnement d'air comprimé d'un véhicule utilitaire, présentant au moins un boîtier de cartouche (14) pourvu d'un couvercle (16) fermé ; un agent siccatif (60) logé dans le boîtier de cartouche (14) ; et une bride de fixation (18) servant à fermer une face frontale ouverte, opposée au couvercle, du boîtier de cartouche (14) et à fixer la cartouche de sécheur d'air (10) à un dispositif de conditionnement d'air comprimé (30). Au niveau d'une face frontale, opposée au couvercle (16) du boîtier de cartouche (14), de la cartouche de sécheur d'air (10) se trouve une première face d'étanchéité (80) qui s'étend dans un plan sensiblement perpendiculaire à un axe longitudinal (12) de la cartouche de sécheur d'air (10) de manière sensiblement plane et qui s'étend dans le sens radial perpendiculairement à l'axe longitudinal (12) de la cartouche de sécheur d'air à l'intérieur d'un tiers extérieur de la cartouche de sécheur d'air (10) sur au moins 10 mm.
PCT/EP2016/080838 2015-12-18 2016-12-13 Cartouche de sécheur d'air et dispositif de conditionnement d'air comprimé WO2017102755A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16815795.6A EP3390184A1 (fr) 2015-12-18 2016-12-13 Cartouche de sécheur d'air et dispositif de conditionnement d'air comprimé
CN201680082134.XA CN108698583A (zh) 2015-12-18 2016-12-13 空气干燥筒和压缩空气处理装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015122167.5 2015-12-18
DE102015122167.5A DE102015122167A1 (de) 2015-12-18 2015-12-18 Lufttrocknerpatrone und Druckluftaufbereitungsvorrichtung

Publications (1)

Publication Number Publication Date
WO2017102755A1 true WO2017102755A1 (fr) 2017-06-22

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PCT/EP2016/080838 WO2017102755A1 (fr) 2015-12-18 2016-12-13 Cartouche de sécheur d'air et dispositif de conditionnement d'air comprimé

Country Status (4)

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EP (1) EP3390184A1 (fr)
CN (1) CN108698583A (fr)
DE (1) DE102015122167A1 (fr)
WO (1) WO2017102755A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112334212A (zh) * 2018-06-12 2021-02-05 克诺尔商用车制动系统有限公司 用于空气干燥筒的密封接口和用于空气干燥器的基座

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