WO2017194671A1 - Système de traitement d'air comprimé, en particulier pour une installation de traitement d'air comprimé d'un véhicule utilitaire - Google Patents

Système de traitement d'air comprimé, en particulier pour une installation de traitement d'air comprimé d'un véhicule utilitaire Download PDF

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Publication number
WO2017194671A1
WO2017194671A1 PCT/EP2017/061318 EP2017061318W WO2017194671A1 WO 2017194671 A1 WO2017194671 A1 WO 2017194671A1 EP 2017061318 W EP2017061318 W EP 2017061318W WO 2017194671 A1 WO2017194671 A1 WO 2017194671A1
Authority
WO
WIPO (PCT)
Prior art keywords
air dryer
dryer cartridge
sealing ring
cartridge
compressed air
Prior art date
Application number
PCT/EP2017/061318
Other languages
German (de)
English (en)
Inventor
Andreas Leinung
Andreas Ochsenkühn
Stefan SCHÄBEL
Günther Reifinger
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 EP17723080.2A priority Critical patent/EP3454973A1/fr
Priority to CN201780043111.2A priority patent/CN109475805A/zh
Priority to BR112018072852-7A priority patent/BR112018072852A2/pt
Priority to KR1020187036249A priority patent/KR20190008330A/ko
Priority to RU2018144054A priority patent/RU2700995C1/ru
Priority to JP2018559790A priority patent/JP2019516546A/ja
Publication of WO2017194671A1 publication Critical patent/WO2017194671A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0415—Beds in cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26—Compressed-air systems
    • 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
    • B60T17/004—Draining and drying devices
    • 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
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles
    • B60Y2200/221—Tractors

Definitions

  • Compressed air treatment system in particular for a compressed air treatment plant of a commercial vehicle
  • the present invention relates to an air dryer cartridge and a compressed air treatment device and a compressed air treatment system comprising such a compressed air treatment device and such an air dryer cartridge, in each case in particular for a compressed air treatment plant of commercial vehicles.
  • Such compressed air treatment systems 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 is cleaned of dirt particles that were already 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 as disclosed for example in DE 10 2013 103 066 A1, have a cartridge housing with a closed housing cover, a received in the cartridge housing desiccant and a
  • Mounting flange for closing a housing cover facing away from the open end of the cartridge housing and attaching the air dryer cartridge to a compressed air conditioning device is usually at the
  • Housing cover facing away from the end of the air dryer cartridge also a floor panel provided, 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 forms an annular receptacle on its side facing away from the mounting flange, in which a square sealing ring is inserted or can be used, which is intended to effect a seal between the air dryer cartridge and the compressed air treatment device.
  • the invention has for its object to provide an improved compressed air treatment system, which simplifies mounting the sealing ring on the air dryer cartridge and mounting the air dryer cartridge to the compressed air treatment device.
  • the air dryer cartridge according to the invention has a cartridge housing with a closed housing cover, a received in the cartridge housing
  • Desiccant a mounting flange for closing a housing cover facing away from the open end of the cartridge housing and attaching the air dryer cartridge to a Duckluftaufhneungsvortechnisch and at the
  • the bottom plate has a receiving portion extending away from the attachment flange for forming a sealing ring receptacle for receiving a sealing ring on the side of the receiving portion facing a longitudinal axis of the air dryer cartridge.
  • This receiving portion provides an external system for a sealing ring to be received in the sealing ring in a radial direction perpendicular to the longitudinal axis of the air dryer cartridge.
  • this receiving portion extends on a side facing away from the cartridge housing at least partially below a male in the sealing ring receiving sealing ring.
  • the floor panel forms a sealing ring receptacle into which the sealing ring can be inserted. Since the receiving portion of the bottom plate engages under the sealing ring at least partially, the sealing ring can be advantageously held without jamming in the sealing ring receptacle so that it can be easily and safely pre-assembled before mounting the air dryer cartridge to a compressed air treatment device. As a result, the mounting of the air dryer cartridge on a compressed air treatment device can be simplified as a whole, since additional and / or expensive process steps for prefixing the sealing ring can be dispensed with.
  • the sealing ring is preferably received and pressed in a wedge-shaped sealing ring receptacle.
  • the sealing ring wedged advantageously in this seal ring recording the assembly can be done with lower screw forces than conventional systems.
  • the sealing ring in the wedge-shaped sealing ring receptacle can build up a higher sealing effect under pressure during operation, since it presses the compressed air advantageously into the wedge shape.
  • the receiving portion of the bottom plate extends with a free end of the bottom plate to below a male in the sealing ring receiving sealing ring.
  • the sealing ring receptacle may be preferably configured to receive a sealing ring between the bottom plate and the mounting flange.
  • the receiving portion of the floor panel is formed by a bent back on itself portion of the floor panel.
  • the sealing ring receptacle can preferably be configured for receiving a sealing ring between the bottom plate and a compressed air treatment device.
  • a free end of the bottom plate at least partially surround a portion of the mounting flange, for example, through an air flow opening in the mounting flange, to a frictional connection between the
  • the bottom plate has at least one toothed element, which can be brought into engagement with the side facing away from the housing cover of the cartridge housing side of the mounting flange.
  • the toothed elements are configured, for example, in the form of imprints or profiles in the floor panel. With such teeth elements, a frictional connection between the bottom plate and the mounting flange can be improved, which when screwing the air dryer cartridge with the attachment piece of the
  • the sealing ring receiver can be advantageously used for receiving sealing rings with curved surfaces.
  • O-ring seals can be used. O-ring seals are cheaper compared to rectangular seals.
  • basically any desired sealing shapes can be used, such as, for example, rectangular, square, triangular, polygonal, circular, oval or similar cross-sectional shapes.
  • the mounting flange is designed at its outer side facing away from the housing cover of the cartridge housing at least in the region of the sealing ring receiving substantially planar. This construction of the mounting flange is particularly easy to manufacture and therefore inexpensive.
  • a large flat section or an overall flat mounting flange permits variable positioning of the sealing ring at radially different positions, in that only the floor panel has to be adapted.
  • the floor panel has a connecting portion for connection to the cartridge housing, wherein the connecting portion extends away from the mounting flange, for example in a longitudinal direction substantially parallel to the longitudinal axis of the air dryer cartridge.
  • the bottom plate is connected to the cartridge housing, preferably via a connecting portion.
  • This compound can preferably by a
  • this connection can also be implemented by a one-piece design of the cartridge housing with the floor panel.
  • the bottom plate is preferably configured in one piece and manufactured.
  • the floor panel can also be assembled from a plurality of components, for example a first floor panel part in the form of a conventional floor panel or floor panel section and a second floor panel part in the form of a specially designed according to the invention adapter.
  • 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.
  • the compressed air treatment device according to the invention further comprises a pressure section, which is provided in the radial direction perpendicular to the longitudinal axis of the air dryer cartridge outside the connecting piece. This pressure portion has a support projection extending toward the air dryer cartridge positioned radially relative to the longitudinal axis of the air dryer cartridge within a sealing ring to be received between the air conditioning apparatus and the air dryer cartridge and providing internal engagement for a male sealing ring in the radial direction.
  • the compressed air treatment device radially outside the connecting piece with a special pressure section. Due to the support projection, which holds the sealing ring in the radial direction in position, additional and / or complex measures for prefixing the sealing ring on the air dryer cartridge or the compressed air treatment device prior to assembly of the air dryer cartridge on the compressed air conditioning device can be omitted. As a result, the assembly of an air dryer cartridge on the compressed air treatment device is simplified.
  • the support projection of the pressure section is dimensioned such that it is spaced in the assembled state of the air dryer cartridge in a longitudinal direction parallel to the longitudinal axis of the air dryer cartridge from the air dryer cartridge.
  • the pressure section has a supporting edge, which extends radially outward from the support projection, so that this support edge extends in the installed state of the air dryer cartridge on a side facing away from the air dryer cartridge at least partially below a male sealing ring.
  • This supporting edge of the pressure section can thus form an additional support for an inserted sealing ring in the longitudinal direction.
  • the pressure section in the radial direction outside of the support projection on a recess which is set back relative to the support edge.
  • a free end of a floor panel attached to the air dryer cartridge for receiving the seal ring may be received in this recess.
  • this depression of the pressure designed trapezoidal or wedge-shaped portion to provide a better stop for the free end of the bottom plate, which also allows greater manufacturing tolerances of the components involved.
  • the pressure section is preferably designed in one piece with the compressed air treatment device.
  • the pressure section can also be provided in the form of an adapter as a separate component, which is attached to the compressed air treatment device, for example screwed.
  • the invention also relates to a compressed air treatment system with a compressed air treatment device according to the invention described above, an air dryer cartridge according to the invention described above and a sealing ring for sealing between the air dryer cartridge and the compressed air treatment device.
  • the advantages of the air dryer cartridge described above are particularly useful in combination with a compressed air conditioner described above.
  • the advantages of the above-described compressed air treatment device are particularly useful in combination with an air dryer cartridge described above.
  • the specially shaped bottom plate on the air dryer cartridge and the specially shaped pressure section of the compressed air treatment device sandwich the sealing ring and press the sealing ring so that it ensures a secure and sufficient seal between the air dryer cartridge and the compressed air preparation device.
  • the sealing ring can be easily inserted between the bottom plate and the mounting flange of the air dryer cartridge and then the air dryer cartridge can be easily mounted on the compressed air preparation device before mounting the air dryer cartridge to the compressed air treatment device.
  • the air dryer cartridge according to the invention and the compressed air treatment device according to the invention can also be used independently of one another in an advantageous manner.
  • the sealing ring is preferably designed as an O-ring with a circular cross-section. As mentioned above, the invention is not limited to a sealing ring with this cross-sectional shape. In one embodiment of the invention may further be arranged an elastic element between the air dryer cartridge and the support projection of the pressure section of the compressed air treatment device.
  • This embodiment may be particularly advantageous in the case of a backward-compatible use of the air dryer cartridge in combination with conventional compressed air treatment devices.
  • the interposed elastic element which can optionally also be prefixed to the air dryer cartridge, it can advantageously be ensured that the connection between the air dryer cartridge and the compressed air treatment device is retightened and the inserted rectangular sealing ring can be further compressed.
  • 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; an enlarged detail view of a connection between an air dryer cartridge and a compressed air treatment device of the compressed air treatment system of Figure 1 according to an embodiment of the invention.
  • FIG. 1 An enlarged detail view of an alternative connection between an air dryer cartridge and a compressed air treatment device according to another embodiment of the invention
  • 4 is a partial sectional view of a compressed air treatment system according to a second embodiment of the invention
  • 5 is an enlarged detail view of a connection between an air dryer cartridge and a compressed air treatment device of the compressed air treatment system of Figure 4 according to an embodiment of the invention.
  • 6 is an enlarged detail view of an alternative connection between a
  • Air dryer cartridge and a compressed air treatment device according to another embodiment of the invention; an enlarged detail view of an alternative connection between an air dryer cartridge and a compressed air treatment device according to a still further embodiment of the invention;
  • Air dryer cartridge and a compressed air treatment device according to a still further embodiment of the invention.
  • FIG. 9 is a partial sectional view of a compressed air treatment system according to a third embodiment of the invention.
  • Fig. 1 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 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 1 6, which is designed in the form of a deep-drawn sheet metal.
  • the housing cover 1 6 facing away from the open end of the cartridge housing 14 is provided with a mounting flange 18th (preferably made of metal) closed.
  • the mounting flange 18 is preferably fixedly and fluid-tightly connected to the cartridge housing 14, for example, welded, glued or the like.
  • the fastening flange 18 has, for example, an annular inlet opening 20 or a plurality of inlet openings 20 arranged along a circular ring and an, for example, 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 (s) 20.
  • the terms "inlet” and “outlet” in this context refer to the fluid flow direction a 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 b.
  • the central outlet opening 24 is delimited by a fastening neck 22 of the fastening 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 an annular first orifice 36 or a plurality of orifices 36 arranged along a circular ring, for example, which in the installed state of the air dryer cartridge 10 are in fluid communication with the inlet Opening 20 / the inlet openings 20 of the mounting flange 18 stands / stand.
  • the compressed air treatment device 30 further has, 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.
  • the cartridge housing 14 and the inner housing 40 form between them a receiving space for 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.
  • a filter device 44 is set in the form of a coalescence filter or oil filter.
  • the filter device 44 is in this embodiment, for example, aligned substantially parallel to the longitudinal axis 12 of the air dryer cartridge 10, so that it is flowed through in the radial direction of the compressed air.
  • the filter device 44 is preferably 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.
  • a bypass 48 is provided with a check valve 52.
  • the check valve 52 prevents in normal operation of the air dryer cartridge 10 that compressed air flows from the inlet port 20 past the filter device 44 through the bypass 48 unpurified in the desiccant 60, but allowed in
  • the check valve 52 is preferably formed of a plastic material (eg, an elastomer). It is supported on the cartridge housing 14 in this embodiment.
  • a sealing lip 54 is provided on the first part 40a of the inner housing 40 in the region of the attachment piece 22, which is preferably formed integrally therewith and is preferably resiliently biased against the attachment piece 22.
  • a sealing lip is provided in the region of the cartridge housing 14, which is preferably formed integrally with the first part 40 a of the inner housing 40 and is preferably resiliently biased against the cartridge housing 14.
  • 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 movable in the axial direction, ie parallel or coaxial with the longitudinal axis 12 of the air dryer cartridge 10 in the cartridge housing 10.
  • the second part 40 b of the inner housing 40 is pressed in the direction of the housing cover 1 6 in order 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.
  • a sealing ring 68 for example, an O-ring seal is arranged between these two elements.
  • FIGS. 1 and 2 shows a first embodiment of this connection between air dryer cartridge 10 and compressed air treatment device 30 in an enlarged partial view.
  • a Bottom plate 26 is provided on the housing cover 1 6 of the cartridge housing 14 facing away from the air dryer cartridge 10.
  • This base plate 26 is connected to the cartridge housing 14 by means of a connecting section 27.
  • this connection 28 is realized by a flange.
  • the bottom plate 26 Starting from the connecting portion 27 at the outer end in the radial direction 13r, the bottom plate 26 initially extends in the radial direction 13r along the
  • the bottom plate 26 may also be connected to the mounting flange 18, for example, welded, soldered or glued. If no firm connection between base plate 26 and mounting flange 18 is provided, the bottom plate preferably has a plurality of toothed elements 29, which can engage in the assembly of the air dryer cartridge 10 on the compressed air treatment device 30 in the bottom of the mounting flange 18 to a corresponding frictional connection between the two To produce components 18, 26.
  • the toothed elements 29 are formed, for example, as embossments or profiles in the base plate 26.
  • the bottom plate 26 At its in the radial direction 13r inner end region, which is still outside the inlet opening (s) 20 of the mounting flange 18 in the radial direction, the bottom plate 26 has a receiving portion 72.
  • the receiving portion 72 is curved in this embodiment and extends from the
  • This receiving portion 72 forms a wedge-shaped sealing ring receptacle 70 for receiving a sealing ring 68, which may be configured in the case of the curved receiving portion 72 preferably as an O-ring seal.
  • the receiving portion 72 of the bottom plate 26 extends at least partially below the sealing ring 68 inserted into the sealing ring receptacle 70.
  • the mounting flange 18 of the air dryer cartridge 10 is preferably configured substantially planar, so that it has a flat outer side, at least also in the region of the sealing ring seat 70 formed by the bottom plate 26.
  • the sealing ring 68 Before the air dryer cartridge 10 is mounted on the compressed air treatment device 30, the sealing ring 68 can be easily inserted in the radial direction from the inside into the sealing ring receptacle 70 between the bottom plate 26 and the mounting flange 18. The sealing ring 68 is held on the air dryer cartridge 10 until it is mounted on a compressed air treatment device 30.
  • the compressed air treatment device 30 has a specially shaped pressure section 75 which cooperates with the bottom plate 26 and the mounting flange 18 holds the sealing ring 68 in the desired position within the sealing ring receptacle 70 and pressed.
  • this pressure section 75 is provided in the radial direction perpendicular to the longitudinal axis 12 of the air dryer cartridge 10 outside the connecting piece 32 of the compressed air treatment device 30.
  • the pressure section 75 has a support edge 82, which is formed, for example, as an end of an edge 80 of the pressure section 75 facing the air dryer cartridge 10.
  • the pressure section 75 has a support projection 76 extending in the direction of the air dryer cartridge 10. This support projection 76 is positioned in the radial direction within the male sealing ring 68 and forms a radially inner abutment for the sealing ring 68th
  • the support projection 76 of the pressure section 75 extends from the support edge 82 by a degree in the direction of the air dryer cartridge, which is smaller than a dimension of the sealing ring 68 in one Longitudinal direction 131 parallel to the longitudinal axis 12 of the air dryer cartridge in unmounted
  • this dimension is even smaller than a dimension of the sealing ring 68 in a longitudinal direction 131 parallel to the longitudinal axis 12 of the air dryer cartridge in the assembled state of the air dryer cartridge 10 so that in the assembled state of the air dryer cartridge 10, a small distance between the mounting flange 18 and the support projection 76 of the pressure section 75 remains.
  • the pressure portion 75 has a recess 84 in the radial direction 13r between the support edge 82 and the support projection 76.
  • This recess 84 is also set back relative to the support edge 82, so that during assembly of the air dryer cartridge 10 on the compressed air treatment device 30, the free end 74 of the bottom plate 26th can be received in this recess 84 and possibly also be supported in this recess.
  • FIG. 3 shows an alternative embodiment of the connection between air dryer cartridge 10 and compressed air treatment device 30 in an enlarged partial view analogously to the illustration of FIG. 2.
  • an air dryer cartridge 10 according to the present invention (for example, as shown in Fig. 1) is provided with a conventional compressed air treatment device 30
  • the air dryer cartridge 10 of the invention is also backward compatible with conventional compressed air treatment devices 30.
  • the bottom plate 26 is designed for this purpose such that it forms an annular groove between the connecting portion 27 and the receiving portion 72, in which a rectangular cross-section sealing ring 69 used / can be pressed.
  • the conventional compressed air treatment device 30 is designed substantially flat on its side facing the air dryer cartridge 10 in the region of the bottom plate 26, so that the sealing ring 69 is pressed against this plane compressed air treatment device 30.
  • the sealing ring receptacle for the rectangular sealing ring 69 is formed by the connecting portion 27 and the receiving portion 72 of the floor panel 26.
  • this sealing ring receptacle can also be formed by additional mold sections of the floor panel 26.
  • FIGS. 4 and 5 show the structure of a compressed air treatment system with an air dryer cartridge according to the invention and a compressed air Processing device according to a second embodiment.
  • the same components and components are identified by the same reference numerals as in the above embodiment.
  • the second embodiment differs from the embodiment described above by the construction of the connection between the air dryer cartridge and the compressed air treatment device and the sealing thereof.
  • the bottom plate 26 of the air dryer cartridge 10 is shaped differently than in the first embodiment.
  • the receiving portion 72 of the floor panel 26 is formed by a self-bent portion of the floor panel 26.
  • the free end 74 of the floor panel 26 is located between the sealing ring receptacle 70 and the mounting flange 18, i. in the longitudinal direction 131 above the sealing ring 68 inserted into the sealing ring receptacle 70.
  • the pressure section 75 of the compressed air treatment device 30 is made simpler compared to the first embodiment.
  • the support edge 82 extending outward from the support projection 76 in the radial direction 13r below the sealing ring receptacle 70 can be dispensed with.
  • FIG. 6 shows, analogously to the representation of FIG. 5, an alternative embodiment of the invention
  • an air dryer cartridge 10 according to the invention (eg according to FIG. 4) is connected to a conventional compressed air treatment device 30.
  • the air dryer cartridge 10 of the invention is also backward compatible with conventional compressed air conditioners 30.
  • the bottom plate 26 is designed for this purpose such that it forms an annular groove between the connecting portion 27 and the receiving portion 72, in which a rectangular cross-section sealing ring 69 used / can be pressed.
  • the conventional compressed air treatment device 30 is designed substantially flat on its side facing the air dryer cartridge 10 in the region of the bottom plate 26, so that the sealing ring 69 is pressed against this plane compressed air treatment device 30.
  • the sealing ring receptacle for the rectangular sealing ring 69 is formed by the connecting portion 27 and the receiving portion 72 of the floor panel 26.
  • this sealing ring receptacle can also be formed by additional mold sections of the floor panel 26.
  • the embodiment of FIG. 6 represents a combination of the embodiments of FIG. 5 with FIG. 3.
  • FIG. 7 shows a further alternative embodiment of the connection between the air dryer cartridge 10 and the compressed air treatment device 30 in an enlarged partial view analogously to the illustration of FIG. 5.
  • Inlet opening 20 is guided in the mounting flange 18 and surrounds the
  • Mounting flange 18 This creates a sufficiently strong connection between the bottom plate 26 and the mounting flange 18.
  • a support edge 33 can optionally be provided on the attachment stub 32 of the compressed-air preparation device 30, which extends outward from the attachment stub 32 in the radial direction 13r and on which the attachment flange 18 can be supported in the assembled state of the air-dryer cartridge 10 , As further shown in Fig. 7, may be provided on the support projection 76 of the pressure section 75 of the compressed air treatment device 30 optionally a support edge 82 which extends in the radial direction 13r of the support projection 76 below the inserted sealing ring 68 to the outside.
  • FIG. 7 are analogously applicable to the embodiment of FIG. 6.
  • FIG. 8 shows a further alternative embodiment of the connection between air dryer cartridge 10 and compressed air treatment device 30 in an enlarged partial view analogously to the illustration of FIG. 2.
  • the recess 84 between the support edge 82 and the support projection 76 of the pressure section 75 of the compressed air treatment device 30 is designed substantially trapezoidal.
  • the trapezoidal shape of the recess 84 allows improved abutment or guidance of the free end 74 of the floor panel 26 therein, particularly during assembly of the air dryer cartridge 10 on the Druck Kunststoffaufleungs- device 30. Even with larger manufacturing tolerances, the free end of the floor panel 26 safely his Path to the end position in the recess 84 find.
  • the recess 84 of the pressure section 75 of the compressed air treatment device 30 is designed substantially wedge-shaped.
  • FIG. 9 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 above embodiments.
  • the third embodiment is different from those described above
  • Embodiments by the construction of the air dryer cartridge, in particular with regard to an improved space utilization for receiving the desiccant therein.
  • the first part 40 a of the inner housing 40 is provided on a parallel to the longitudinal axis 12 of the air dryer cartridge 10 extending wall portion with a plurality of openings 42 which are in fluid communication with the inlet opening 20 of the mounting flange 18.
  • Mounting flange 18 and the openings 42 of the inner housing 40 flow 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.
  • the filter device 44 is in turn surrounded by a so-called wicking material 46.
  • 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 within the cartridge housing 14 can be optimally utilized for receiving the desiccant 60, so that, as a result, less space is needed for the desiccant 60 and the air dryer cartridge 10 thus having a smaller diameter of, for example, only about 126 mm (in FIG Compared to a diameter of about 140 mm of conventional air dryer cartridges).
  • a smaller diameter in turn has advantages in terms of Handling of the air dryer cartridge 10 and the necessary installation space in a compressed air treatment plant.
  • 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 connect the interior of the air dryer cartridge 10 with the bypass 48.
  • a check valve 52 is also arranged in the bypass 48.
  • the check valve 52 prevents compressed air from flowing unfiltered from the inlet opening 20 at the filter device 44 into the desiccant 60 through the bypass 48, but permits an air flow b past the filter device 44 in the regeneration mode of the air dryer cartridge 10.
  • 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.
  • the check valve 52 is spaced from the wall of the cartridge housing 14 in this construction of the air dryer cartridge 10. Thus, it is also protected against mechanical stresses that could occur, for example, by deformations of the cartridge housing 14.
  • a space region 65 radially outside 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.
  • the compressed air treatment system of this embodiment corresponds to the compressed air treatment system of the first embodiment of FIG. 1.
  • the inner housing 40 is constructed in the described embodiments each of a first part 40 a and a second part 40 b, the inner Housing 40 may also be integrally formed in other embodiments or composed of more than two housing parts.
  • the compression spring 62 is disposed between the first part 40a and the second part 40b of the inner housing 40 so as to push up the inner second part 40b in the cartridge housing 14 toward the housing cover 16
  • the compression spring 62 may also be arranged between the housing cover 16 of the cartridge housing 14 and an inner housing part, in order to bias the inner housing part in the direction of the compressed air treatment device 30.
  • 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 formed as separate components connected to the inner housing 40 in other embodiments ,
  • an elastic member for example, a rubber ring may be additionally provided in the longitudinal direction 131 between the air dryer cartridge 10 and the support projection 76 of the compressed air processing apparatus.
  • the elastic element may, for example, be prefixed on the end face of the supporting projection or on the underside of the fastening flange 18 or of the floor panel 26.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Transportation (AREA)
  • Drying Of Gases (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

L'invention concerne un système de traitement d'air comprimé pour une installation de traitement d'air comprimé d'un véhicule utilitaire, le système comprenant un dispositif de traitement d'air comprimé (30), une cartouche de dessicateur d'air (10) et une bague d'étanchéité (68) pour réaliser l'étanchéité entre la cartouche de dessicateur d'air (10) et le dispositif de traitement d'air comprimé (30). La cartouche de dessicateur d'air (10) comprend un boîtier de cartouche (14) pourvu d'un couvercle (1) fermé, un agent siccatif (60) logé dans le boîtier de cartouche (14), une bride de fixation (18) servant à fermer une face frontale ouverte, opposée au couvercle (16), du boîtier de cartouche (14) et à fixer la cartouche de dessicateur d'air (10) au dispositif de traitement d'air comprimé (30) et une tôle de fond (26). La tôle de fond (26) est disposée sur le côté de la bride de fixation (18) opposé au couvercle (16) du boîtier de cartouche (14) et comprend une partie de logement (72) s'étendant à l'écart de la bride de fixation (18) pour former un logement de bague d'étanchéité (70) destiné à loger la bague d'étanchéité (68) sur le côté de la partie de logement (72) tourné vers un axe longitudinal (12) de la cartouche de dessicateur d'air. La partie de logement (72) fournit un appui extérieur pour la bague d'étanchéité (68) dans une direction radiale (13r) perpendiculairement à l'axe longitudinal (12) de la cartouche de dessicateur d'air (10) et la partie de logement (72) s'étend au moins partiellement en dessous de la bague d'étanchéité (68) sur un côté opposé au boîtier de cartouche (14).
PCT/EP2017/061318 2016-05-13 2017-05-11 Système de traitement d'air comprimé, en particulier pour une installation de traitement d'air comprimé d'un véhicule utilitaire WO2017194671A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP17723080.2A EP3454973A1 (fr) 2016-05-13 2017-05-11 Système de traitement d'air comprimé, en particulier pour une installation de traitement d'air comprimé d'un véhicule utilitaire
CN201780043111.2A CN109475805A (zh) 2016-05-13 2017-05-11 尤其用于商用车的压缩空气处理设备的压缩空气处理系统
BR112018072852-7A BR112018072852A2 (pt) 2016-05-13 2017-05-11 sistema para a preparação de ar comprimido, em particular, para uma instalação de preparação de ar comprimido de um veículo utilitário
KR1020187036249A KR20190008330A (ko) 2016-05-13 2017-05-11 특히 상용 차량의 압축 공기 준비 유닛을 위한 압축 공기 준비 시스템
RU2018144054A RU2700995C1 (ru) 2016-05-13 2017-05-11 Система подготовки сжатого воздуха, в частности для установки подготовки сжатого воздуха коммерческого транспортного средства
JP2018559790A JP2019516546A (ja) 2016-05-13 2017-05-11 特に商用車の圧縮空気処理設備のための圧縮空気処理システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016208355.4A DE102016208355A1 (de) 2016-05-13 2016-05-13 Druckluftaufbereitungssystem, insbesondere für eine Druckluftaufbereitungsanlage eines Nutzfahrzeugs
DE102016208355.4 2016-05-13

Publications (1)

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WO2017194671A1 true WO2017194671A1 (fr) 2017-11-16

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JP (1) JP2019516546A (fr)
KR (1) KR20190008330A (fr)
CN (1) CN109475805A (fr)
BR (1) BR112018072852A2 (fr)
DE (1) DE102016208355A1 (fr)
RU (1) RU2700995C1 (fr)
WO (1) WO2017194671A1 (fr)

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WO2019238464A3 (fr) * 2018-06-12 2020-02-06 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Interface d'étanchéité pour cartouche de dessiccation d'air et socle pour cartouche de dessiccation d'air
WO2019238463A3 (fr) * 2018-06-12 2020-02-06 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Interface d'étanchéité pour une cartouche de séchage d'air et un socle pour une cartouche de séchage d'air

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DE102016120477A1 (de) * 2016-10-27 2018-05-03 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Lufttrocknerpatrone
PL238549B1 (pl) * 2018-06-28 2021-09-06 Mb Pneumatyka Spolka Z Ograniczona Odpowiedzialnoscia Blok rozdzielacza do dystrybucji powietrza w układach pneumatycznych pojazdów użytkowych
DE102019122452A1 (de) * 2019-08-21 2021-02-25 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Rückschlagventil-Vorrichtung
EP4026605A1 (fr) 2021-01-12 2022-07-13 KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH Interface de fixation, cartouche de séchage à l'air et dispositif de traitement d'air
US20240033678A1 (en) 2021-01-12 2024-02-01 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Fixing Interface, Air Dryer Cartridge and Air Treatment Device
EP4296128A1 (fr) 2022-06-21 2023-12-27 KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH Interface de positionnement et de montage, cartouche d'agent siccatif et dispositif de commande d'air

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WO2019238464A3 (fr) * 2018-06-12 2020-02-06 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Interface d'étanchéité pour cartouche de dessiccation d'air et socle pour cartouche de dessiccation d'air
WO2019238463A3 (fr) * 2018-06-12 2020-02-06 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Interface d'étanchéité pour une cartouche de séchage d'air et un socle pour une cartouche de séchage d'air
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RU2700995C1 (ru) 2019-09-24
EP3454973A1 (fr) 2019-03-20
BR112018072852A2 (pt) 2019-03-06
CN109475805A (zh) 2019-03-15
JP2019516546A (ja) 2019-06-20
KR20190008330A (ko) 2019-01-23
DE102016208355A1 (de) 2017-11-16

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