EP3234374B1 - Dispositif à air comprimé avec des joints permettant différentes connections fluidiques - Google Patents

Dispositif à air comprimé avec des joints permettant différentes connections fluidiques Download PDF

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Publication number
EP3234374B1
EP3234374B1 EP15816440.0A EP15816440A EP3234374B1 EP 3234374 B1 EP3234374 B1 EP 3234374B1 EP 15816440 A EP15816440 A EP 15816440A EP 3234374 B1 EP3234374 B1 EP 3234374B1
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EP
European Patent Office
Prior art keywords
pressure medium
flow
medium device
housing
openings
Prior art date
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EP15816440.0A
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German (de)
English (en)
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EP3234374A1 (fr
Inventor
Karsten Schnittger
Christian Kuhlen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
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Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
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Publication of EP3234374A1 publication Critical patent/EP3234374A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0807—Manifolds
    • F15B13/081—Laminated constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0828—Modular units characterised by sealing means of the modular units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/003—Systems with different interchangeable components, e.g. using preassembled kits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
    • F15B2013/006—Modular components with multiple uses, e.g. kits for either normally-open or normally-closed valves, interchangeable or reprogrammable manifolds

Definitions

  • the invention is based on a pressure medium device of a vehicle in which a pressure medium flows, with a multi-layer structure having at least two layers contacting each other, wherein in a first surface of a first layer at least three flow openings of flow channels for the pressure medium open, which a second surface a second layer adjoining the first layer, wherein the two layers at least one molded seal comprising at least one ring member and at least one connected to the ring member closure member is interposed, which is provided for sealing closure of at least one of the flow openings in the first surface, according to Preamble of claim 1.
  • Such a pressure medium device is for example off DE 39 10 381 A1 in the form of a manifold plate consisting of several intermediate plates and end plates known.
  • a molded seal which has disc-shaped closures for closing in the two intermediate plates in each case perpendicular to the plate plane and aligned flow openings.
  • no flow from one flow opening in the one intermediate plate in the associated flow opening of the other intermediate plate can be done more, or there are in any combination only one flow opening or two flow openings closed at the relevant mold seal appropriately arranged closures.
  • a set of molded seals is provided, each having a different number and / or location of shutters, to respectively close or open certain flow channels extending through the intermediate plates that open into the flow openings.
  • This type of form seals is useful when flow channels, which extend through a plurality of intermediate plates and extend perpendicular to the plane of the plate to be opened or closed to make pressure fluid circuits variable.
  • the present invention has the object, a pressure medium device of the type mentioned in such a way that a variable by using different form seals pressure fluid circuit is possible in other ways.
  • the annular part has an annular circumference and the at least one closure part is arranged inside the annular part, and the annular part encloses in particular a sealing chamber through which pressure medium can flow, which is further bounded by the first surface and by the second surface.
  • the second surface of the second layer then preferably has no flow opening.
  • flow connections which are already present or provided between different layers are not variably opened or closed by mounting of different shape seals with respect to the position of the closure part or the closure parts, but instead flow connections between flow openings are made variable, which preferably takes place on only one layer the pressure medium device are formed.
  • the flow then exits a flow orifice in the first surface of the first layer, is at least partially reflected at the second surface of the second layer, and then enters another flow orifice in the first surface of the first layer which is not from a closure member is closed.
  • the area enclosed by the first surface, the second surface and the ring member or limited chamber is flowed through.
  • the second layer which then only has the task of confining the chamber, then does not have to have any flow openings or flow channels and can then for example also consist of a closed end plate.
  • the second layer can therefore be relatively thin, which also contributes to a space savings.
  • the second layer can also have at least one flow opening, which can then be integrated into the flow course in the second layer and / or its associated flow channel.
  • a group of molded seals is provided, each with a different position of the at least one closure part with respect to the ring part, wherein, depending on one of the group of molded seals at least one other flow opening is closed by the at least one closure part selected, and thus each a different flow connection between at least two openings of the at least three openings is realized within the chamber selected, mounted between the two layers mold seal.
  • the molded seal is designed in such a way and the flow openings are arranged in the first surface such that depending on the rotational position of this molded seal at least one other flow opening closed by the at least one closure member and a respective other flow connection between at least two openings at least three openings is realized within the chamber.
  • the ring member is preferably formed elastically and may take any circumferential shape, such as a circular, an elliptical or a polygonal shape, wherein the flow openings in the first surface of the first layer are then arranged so that they in changed rotational positions of the molded seal by the at least one closure part are closable.
  • a recess for at least partially receiving the ring member of the molded seal is provided and the recess does not have a rotationally symmetric circumferential course such as a circular Has course, so an elastic ring member can adapt to the circumferential profile of the recess with twisted installation.
  • the ring member may also be rigid.
  • the invention is particularly advantageous in the production of variants of the pressure medium device.
  • At least one of the layers is plate-shaped.
  • the pressure medium device can build flat.
  • at least one of the layers represents a housing or a housing component of the pressure medium device.
  • a housing or housing component is to be understood as a component or an assembly which has an outer surface coming into contact with the environment. It does not necessarily have to be a cup-shaped, cylindrical, rectangular or cuboid component with a closed or open interior. Rather, all housing or housing components come into consideration, including plate-shaped housing components, which components, assemblies or connections of the pressure means device such. Accommodate, carry or at least partially encase solenoid valves or relay valves.
  • the annular part of the molded seal is held biased between the first surface and the second surface. Then the tightness of the chamber can be determined solely by the bias, i. resulting from an elastic deformation of the ring member.
  • the ring member may be received in at least one recess or groove formed on the first surface and / or on the second surface.
  • the ring member is received in at least one recess or groove formed on the first surface.
  • the recess or groove may be circumferentially or in the circumferential direction also interrupted.
  • At least the ring part is, for example, elastic and can take on any circumferential shape, wherein the flow openings are arranged in the first surface of the first layer so that they are in changed rotational positions of Form seal by the at least one closure part are closed.
  • the ring member or the entire molded seal made of an elastomer and is integral with the at least one closure part.
  • The, for example, circular-plate-shaped or plug-like closure part can then be replaced by a plug which is produced during the production of the molded gasket, e.g. be formed by vulcanization web connected to the ring member.
  • the closure part between the flow opening closed by it and the second surface is held under prestress, whereby the tightness is increased by the then pressed against the edge of the respective flow opening closure member.
  • the closure part is thereby fixed in position.
  • the pressure medium is formed by compressed air.
  • the pressure medium device is preferably formed by a compressed air supply device for vehicle compressed air systems, comprising as components or assemblies at least one air dryer with an air dryer cartridge, a valve device with a multi-circuit protection valve and optionally other valves, a pressure limiter, a control and regulating electronics and multiple layers or housing components, in or at which the aforementioned components or assemblies are housed.
  • the layers or housing components are then layers or housing components in the above sense.
  • the pressure medium device could also be a pneumatic or electropneumatic brake device, a pneumatic or electropneumatic air suspension device or a pneumatic or electropneumatic door operating device.
  • the invention also relates to a vehicle, in particular a commercial vehicle comprising a pressure medium device described above.
  • compressed air supply device 1 as a preferred embodiment of a pressure medium device according to the invention is arranged on a commercial vehicle and is used for compressed air supply of compressed air consumers such as a pneumatic or electropneumatic service brake device, parking brake device, air suspension device and / or door operating device.
  • compressed air consumers such as a pneumatic or electropneumatic service brake device, parking brake device, air suspension device and / or door operating device.
  • the compressed air supply device 1 has an air dryer device 2 with an air dryer cartridge 4, which is detachably and replaceably attached to a first housing 6, which accommodates further components of the air dryer device 2 such as a non-visible here check valve.
  • the first housing 6 is made of aluminum, for example, and is produced by die-casting.
  • the air dryer cartridge or cartridge 4 is releasably secured by means of a fastening device 8, for example a bayonet lock on the first housing 6.
  • the components of the bayonet closure 8 are also made of metal as well as all the connections of the first housing 6, such as a connection 10 for a compressed air-conveying compressor.
  • the connection 10 for the compressor consists, for example, in a piece with the first housing 6 urgeformten pipe socket, in the opening of an internal thread for a corresponding external thread of a fitting of a compressor line is formed.
  • a fastening device 12 for fastening the compressed air supply device 1 is further formed on a frame of the utility vehicle, for example in the form of one or more screw eyes.
  • a pressure limiter or pressure regulator is preferably arranged in the first housing 6, which regulates the pressure in the downstream compressed air tanks or pressure circuits.
  • the first housing 6 has a connection plate 14, which has been formed in one piece with this, for example, as an aluminum die casting molding and in which connections in the form of at least one flow opening 16 are formed.
  • This flow opening 16 is in alignment with a corresponding flow opening 18 of a first valve block 20 as a housing component of a second housing 22, which is connected at least to the connection plate 14 of the first housing 6, wherein this connection will be discussed later.
  • the standing plate 24 is also made of metal, e.g. made of steel.
  • the first valve block 20 which is preferably an injection-molded part made of plastic, forms a housing component of a plurality of housing components, which together form the second housing 22.
  • This first valve block 20 is more precisely part of a valve device 26 accommodated in the second housing 22, which, inter alia, is a multi-circuit protection valve, in particular a four-circuit protection valve and further valves such as such as solenoid valves, relay valves and shuttle valves.
  • a multi-circuit protection valve or overflow valves By means of the multi-circuit protection valve or overflow valves, a circular separation of the compressed air consumer circuits connected to the compressed air supply device 1, such as service brake circuit I, service brake circuit II, parking brake circuit, secondary consumption circuit, is realized.
  • the electronic control and the (solenoid) valves of an electropneumatic parking brake device and / or an electropneumatic air suspension device of the utility vehicle can be housed.
  • the first valve block 20 has, for example, first valve domes 28 in which valve seats 32, which cooperate with valve seats 30, are movably guided by seat valves of the valve device 26.
  • the valve body 32 are based on the exploded view of Figure 3 individually detectable and biased by compression springs 34 in the closing or opening direction of the respective seat valve.
  • the valve block 20 may also be designed without valve domes 28.
  • the second housing 22 has, as a further housing component, a second valve block 36 of the valve device 26, with second valve domes 38 on which the valve seats 30 of the seat valves of the valve device 26 are preferably formed in one piece, in particular from Figure 5 evident.
  • the relevant seat valve When lifted off the valve seat 30 valve body 32, the relevant seat valve is in the open position and urged against the valve seat 30 valve body 32 in the closed position.
  • it is a pressure relief valve, which is pneumatically operated.
  • the opening or closing position of at least one of the local seat valves to be magnetic, that is to say by means of energization or outflow of one or more magnet coils.
  • the second valve block 36 preferably also constitutes an injection-molded part made of plastic. Furthermore, the first valve block 20 and the second valve block 36 constitute separate housing components of the second housing 22, as at least portions of their peripheral surfaces come into contact with the environment and if components such as e.g. accommodate the valve body 32 in its interior.
  • the first valve domes 28 and the second valve domes 38 are positioned relative to each other during assembly so that they at least partially axially into one another and the associated valve seats 30 and valve body 32 with each other aligned. For this purpose, appropriate centering measures are provided. This is illustrated in particular Figure 3 and Figure 5 ,
  • valve blocks or housings or housing components of the compressed air supply device 1 molded seals 40 are interposed.
  • a molded gasket 40 between the first valve block 20 and the second valve block 36 is considered below, which is embodied, for example, as an elastic, one-piece mold seal 40 consisting of an elastomer.
  • FIG.6a to Fig.6c Different versions 40a, 40b and 40c of a first variant of molded seals 40 are shown.
  • the form seals 40a to 40c shown here by way of example each have an annular peripheral annular part 46, wherein here only one closure part 42 is arranged inside the annular part 46, for example.
  • Ring member 46 and closure member are connected to each other for example by a web 50, wherein wherein ring member 46, closure member 42 and web are preferably formed as an elastic and integrally formed elastomeric member.
  • the closure member 42 is disposed within the peripheral ring member 46 and has inwardly therefrom.
  • the ring member 46 encloses or surrounds a pressure-medium-flowed through chamber 74, which is not exclusively filled by the closure member 42, that is, the chamber 74 has a clear width.
  • This chamber 74 is further limited except by the ring member 46 by a first surface 76 of the here, for example, first valve block 20 and by a second surface 78 of the here, for example, second valve block 36, in particular Figure 7 illustrated.
  • the closure member 42 is in particular circular plate-shaped or plug-shaped and closes in the molded seal 40 a of 6a
  • a first formed in the first surface 76 in the first valve block 20 flow opening 44 sealingly.
  • the outer diameter of the closure part 42 is preferably slightly larger than the inner diameter of the first flow opening 44 closed by the closure part 42, so that a certain contact pressure between the closure part 42 and the inner peripheral surface of the first flow opening 44 is present in the mounted state.
  • the ring part 46 is held or guided, for example, in a first groove 48 formed on the surface of the first valve block 20 (FIG. Figure 7 ).
  • first groove 48 aligned and parallel second groove (not shown here) in the second valve block 36
  • the ring member 46 may also be fixed between the first groove 48 and the second groove, as shown in FIGS FIGS. 6a to 6c and 7 is easy to imagine.
  • an embodiment without such or without such grooves or depressions wherein that the ring member 46 is then fixed in position alone by the prevailing between the two valve blocks 20, 36 pressure.
  • the web 50 is slightly longer than actually necessary to create a certain tolerance compensation in the installed state of the molded seal 40a. In addition, the web 50 forms a captive for the closure member 42nd
  • the closure member 42 has on its surface facing the second valve block 36 nubs 54, which forms a support surface for the second valve block 36. Therefore, the closure member 42 preferably extends from the first flow opening 44 to the second surface 78 of the second valve block 36 and is biased there, which contributes to the positional fixation of the closure member 42 in the flow opening 44 and to increase the tightness. Furthermore, the closure part 42 may also have on its radially outer peripheral surface one or more radially projecting and circumferential sealing lips 52 which deform elastically in the state mounted in the flow opening.
  • a radially projecting step formed on the closure member 42 corresponding to the edge of the first flow opening 44 also acts as an axial seal when the closure member 42 is pressed by the second valve block 36 against the edge of the first flow opening 44.
  • the bias of the valve blocks 20 and 36 against each other is applied by tie rods 68 described later.
  • the closure member 42 closes a respective other flow opening of the three flow openings 44, 56 and 58 in the first surface 76 in the first valve block 20, for example, a first flow opening 44, a second flow opening 56 or a third flow opening 58th
  • a group of molded seals 40a, 40b, 40c each having a different position of a closure member 42 with respect to the ring member 46th is provided, depending on a selected from the group of molded seals 40a, 40b, 40c, between the two valve blocks 20, 36 mounted mold seal 40a, 40b or 40c each have at least one other flow opening 44, 56, 58 through the closure member 42 of the currently selected Form seal 40 a, 40 b or 40 c closed and thus each have a different flow connection between two flow openings 56 and 58 (FIGS. 6a ) or 44 and 56 ( Figure 6b ) or 44 and 58 ( 6C ) of the three flow openings 44, 56 and 58 within the chamber 74 is realized.
  • the flow openings 44, 56, 58 represent here, for example, mouths of flow channels, which are formed in the first valve block 20 and extend perpendicular or parallel to the plate plane.
  • a flow channel 80 running parallel to the plane of the plate is shown, the flow opening 44 of which, however, is closed by the closure part 42.
  • the chamber 74 is therefore flowed through.
  • other flow connections between, for example, two flow openings 44 and 56 or 44 and 58 are then respectively created in an analogous manner.
  • a molded seal 40a, 40b or 40c can also have a plurality of closure parts 42 in order to block more than just one flow opening in each case.
  • the second valve block 36 preferably has no flow opening in the region of the chamber 74, but may be equipped there with such, which is then also an orifice of a flow channel formed in the second valve block. Such a design extends the number of possible flow connections between flow channels.
  • the flow openings 44, 56 and 58 in the valve block 20 preferably have an identical inner diameter.
  • the closure part 42 of the molded seals 40a, 40b and 40c also preferably has the same outer diameter.
  • a in Fig.8 and figures 8a to 8c variant shown different flow connections between the flow openings 44, 56 and 58 by a respective other mounting position one and the same mold seal 40 is generated.
  • the molded seal 40 is for example in relation to an imaginary axis of rotation perpendicular to the plane of the valve blocks 20, 36 respectively installed only in a different rotational position, in which case here, for example, triangular ring member 46 each elastically adapts, but the mold seal 40 is otherwise not changed.
  • a respective different flow opening 44 or 56 or 58 in the first valve block 20 is opened or closed, so that with the help of one and the same mold seal 40 different flow connections in the first valve block 20 is opened or closed and thus different pneumatic circuits can be formed.
  • annular part 46 of the molded gasket 40 may be held or guided in a first groove formed on the surface of the first valve block 20.
  • the ring member 46 may also be fixed between the first groove and the second groove. A design without a groove is conceivable.
  • closure part 42 or its mounting in the flow openings 44, 56 and 58 and fixation between the valve blocks 20 and 36 is preferably the same as in the first variant and as in FIG Figure 7 shown executed.
  • a control and regulating electronics 60 is arranged, which preferably controls all functions of Druck Kunststoffmaschines worn1 via implemented control and regulating software, including the parking brake function and / or the Heilfederungsfunktion, as already mentioned above.
  • a control and electronic control unit 60 comprehensive board is attached, for example, on the side facing away from the first valve block 20 side surface of the second valve block 36.
  • the second housing 22 or, inter alia, the first valve block 20 and the second valve block 36 are held between the first housing 6 and a third housing 62, which preferably also represents an aluminum die-cast part, wherein a composite of the first housing 6, the second housing 22nd and the third housing 62 is formed.
  • the third housing 62 is preferably plate-shaped, wherein on its side facing away from the second housing 22 face 64 terminals for pipes and / or lines of the compressed air consumer circuits are formed, in particular from Fig.2 and Figure 3 evident.
  • connections 64 consist, for example, in one piece with the third housing 62 urgeformten pipe socket, in whose openings internal thread for corresponding external thread of fittings of the connected pipes and lines are formed.
  • a fastening device 66 for fastening the compressed air supply device 1 is further formed on the frame of the utility vehicle, for example in the form of one or more screw eyes. Consequently, the preferred embodiment of a compressed air supply device 1 described here is preferably held only on the first housing 6 and on the third housing 62 by means of corresponding fastening devices 12, 66 on the frame of the utility vehicle, while the second housing 22 has no such fastening device.
  • the compressed air supply device 1 could also be held only on the fastening device 12 on the first housing 6 or the fastening device 66 on the third housing 62, which then results in a cantilevered position.
  • the second housing 22 is held between the first housing 6 and the third housing 62 by means of on the one hand in the first housing 6 and on the other hand in the third housing 62 onterter tie rod 68. Since the two valve blocks 20, 36 and the third housing 62 with respect to the plane of the terminal plate 14 of the first housing 6 laterally extend beyond this terminal plate 14, the tie rods 68 are also anchored in the standing plate 24.
  • the connection plate 14, the two valve blocks 20, 36 and the plate-shaped third housing 62 are further preferably arranged in parallel, which requires a compact design.
  • the second housing 22 further includes an intermediate plate 70 disposed between the second valve block 36 and the third housing 62 and having openings or flow channels defining openings or flow channels in the second valve block 36 having openings or flow channels in the third housing 62 connects to each other, which are connected to the terminals 64 for the compressed air circuits of the compressed air consumers.
  • the intermediate plate 70 which likewise constitutes an injection molding of plastic and is arranged parallel to the connection plate 14, the two valve blocks and the plate-shaped third housing, supports or counteracts components of at least some valves of the valve device 26, which pass through openings of the second valve domes 38 protrude in the second valve block 36. These components are, for example, valve seats, which are then integrally formed in the intermediate plate 70 and are urgeformt with this.
  • the intermediate plate 70 creates flow paths and flow channels between valves of the valve device 26 and the connections 64 for the compressed air consumer circuits.
  • groove-shaped flow paths and in their interior these flow paths interconnecting flow channels may be formed on their on the one hand the second valve block 36 facing surface and on the other hand the third housing 62 facing surface.
  • These flow paths or flow channels are preferably integrally formed in one piece together with the intermediate plate 70 by injection molding.
  • the second valve block 36 and the intermediate plate 70 and the intermediate plate 70 and the third housing 62 also form seals 40 are interposed sealingly, which with their closure parts 42 seal at least one opening or a flow channel of the intermediate plate 70 sealing.
  • the sealing parts 46 of the molded seals 40 are in turn also guided and fixed in grooves in the second valve block 36, in the intermediate plate 72 and in the third housing 62. Then, depending on the location or execution of the mold seal concerned 40 certain flow paths are closed or released.
  • the second housing 22 here therefore comprises the two valve blocks 20, 36 and the intermediate plate 70 as well as the molded seals 40, wherein preferably all these Ge components are made of plastic or of elastomer.
  • Thermoplastics are preferably used as plastics, preferably semicrystalline thermoplastics, for example, relatively thin-walled with up to 2.5 mm wall thickness, preferably with or without glass fiber reinforcement.
  • These parts 20, 36, 70 are preferably produced by injection molding.
  • thermosetting plastics can also be used, in particular in order to produce thick-walled parts 20, 36, 70 with a wall thickness of more than 2.5 mm.
  • the first housing 6 and the third housing 62 are made of metal, preferably of aluminum, wherein at these housings 6, 62 terminals 10, 64 are preferably formed in one piece urgeformt at least for the compressor and the compressed air consumer circuits, because the terminals 10, 64, the eg are designed as pipe socket with internal thread, have to meet higher demands on strength and rigidity.
  • fastening devices 8, 68 for fastening the compressed air supply device 1 to the frame of the commercial vehicle made of metal also exist on the first housing 6 and on the third housing 62, because higher rigidity and strength requirements are also imposed on these fastening devices.
  • metal housing or metal components are used only where the typically high strength and rigidity of metals can be used advantageously, for example, as a composite material of a composite of metal and plastic housings or housing components 20, 36, 70, in which the second Housing 22 is made of plastic housing components in sandwich construction between the first housing 6 made of metal and the third housing 62 is held in metal and the transmission of force and force from the composite or from the sandwich construction in the structure of the motor vehicle, for example, exclusively by the existing first metal housing 6 and third housing 62.
  • plastics with relatively low strength can be used for the second housing 22 encompassed or encompassed by the first housing 6 and the third housing 62 or for its housing components 20, 36 and 70 because then a large part of the operating and weighting forces of the metal first housing 6 and the metal third housing 62 is received.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Gasket Seals (AREA)
  • Valve Housings (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Multiple-Way Valves (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Joints Allowing Movement (AREA)
  • Sealing Devices (AREA)

Claims (15)

1. Dispositif (1) à fluide sous pression d'un véhicule, dans lequel passe un fluide sous pression, comprenant une structure stratifiée, qui a au moins deux couches en contact l'une avec l'autre, dans lequel, dans une première surface (76) d'une première couche (20), laquelle est opposée à une deuxième surface (78) d'une deuxième couche (36) voisine de la première couche (20) débouchent au moins trois ouvertures (44, 56, 58) d'écoulement de canaux d'écoulement de fluide sous pression, dans lequel, entre les deux couches (20, 36), est disposé au moins un joint (40; 40a, 40b, 40c) moulé, comportant au moins une partie (46) annulaire et au moins une partie (42) de fermeture reliée à la partie (46) annulaire, qui, pour la fermeture avec étanchéité d'au moins l'une des ouvertures (44, 56, 58) d'écoulement, est prévue dans la première surface (76), caractérisé en ce que
a) la partie (46) annulaire est constituée en faisant le tour annulairement et la au moins une partie (42) de fermeture est disposée à l'intérieur de la partie (46) annulaire, et
b) la partie (46) annulaire entoure une chambre (74), dans laquelle peut passer le fluide sous pression et qui est délimitée, en outre, par la première surface (76) et par la deuxième surface (78), dans lequel
c) il est prévu un groupe de joints (40a, 40b, 40c) moulés, ayant chacun une position différente de la au moins une partie (42) de fermeture par rapport à la partie (46) annulaire et, en fonction d'un joint (40a, 40b ou 40c) moulé, choisi dans le groupe de joints (40a, 40b, 40c) moulés et monté entre les deux couches (20, 36), respectivement au moins une autre ouverture (44, 56, 58) d'écoulement est fermée par la au moins une partie (42) de fermeture et ainsi est réalisée, à l'intérieur de la chambre (74), respectivement, une autre liaison d'écoulement entre au moins deux ouvertures (44, 56 ou 44, 58 ou 56, 58) parmi les au moins trois ouvertures (44, 56, 58) d'écoulement,
ou dans lequel
d) le joint (40) moulé est constitué et les ouvertures (44, 56, 58) d'écoulement sont disposées dans la première surface (76), de manière à ce qu'en fonction de la position en rotation de ce joint (40) moulé, au moins une autre ouverture (44 ou 56 ou 58) d'écoulement soit fermée par la au moins une partie (42) de fermeture et une autre liaison d'écoulement, entre au moins deux ouvertures (44, 56 ou 44, 58 ou 56, 58) parmi les au moins trois ouvertures (44, 56, 58), soit réalisée à l'intérieur de la chambre (74).
Dispositif (1) à fluide sous pression suivant la revendication 1, caractérisé en ce qu'au moins l'une des couches (22, 36) est constituée sous la forme d'une plaque.
Dispositif (1) à fluide sous pression suivant la revendication 1 ou 2, caractérisé en ce qu'au moins l'une des couches (20, 36) représente une enveloppe ou une partie d'enveloppe du dispositif (1) à fluide sous pression.
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que la partie (46) annulaire est réalisée d'une seule pièce avec la au moins une partie (42) de fermeture.
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que la partie (42) de fermeture représente un bouchon en forme de plaque circulaire, qui est relié à la partie (46) annulaire par une barrette (50).
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que le joint (40; 40a, 40b, 40c) moulé est en un élastomère.
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que la partie (46) annulaire est reçue dans au moins une cavité ou une rainure (48) constituée sur la première surface (76) et/ou sur la deuxième surface (78).
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce qu'au moins la partie (46) annulaire du joint (40; 40a, 40b, 40c) moulé est maintenu sous précontrainte entre la première surface (76) et la deuxième surface (78).
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce qu'au moins la partie (46) annulaire est élastique.
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que la partie (46) annulaire est élastique et peut prendre n'importe quelle forme faisant le tour, les ouvertures (44, 56, 58) d'écoulement étant disposées dans la première surface (76) de la première couche (20), de manière à pouvoir être fermées en des positions en rotation modifiées du joint (40) moulé par la au moins une partie (42) de fermeture.
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que la partie (42) de fermeture est maintenue sous précontrainte entre l'ouverture (44, 56, 58) d'écoulement qu'elle ferme et la deuxième surface (78).
Dispositif (1) à fluide sous pression suivant l'une des revendications précédentes, caractérisé en ce que le fluide sous pression est de l'air comprimé.
Dispositif (1) à fluide sous pression suivant la revendication 12, caractérisé en ce qu'il comporte un dispositif d'alimentation en air comprimé pour des systèmes d'air comprimé de véhicule, comprenant, comme pièces ou modules, au moins un dispositif (2) de sécheur d'air, ayant une cartouche (4) de sécheur d'air, un dispositif (26) de soupape, ayant une soupape de protection à plusieurs circuits et, le cas échéant, d'autres soupapes, un limiteur de pression, une électronique (60) de commande et de régulation ainsi que plusieurs couches ou pièces (6, 20, 22, 36, 62) d'enveloppe dans ou sur lesquelles lesdites pièces ou modules sont logés.
Dispositif (1) à fluide sous pression suivant la revendication 12, caractérisé en ce qu'il comporte un dispositif de frein pneumatique ou électropneumatique, un dispositif de suspension pneumatique ou électropneumatique ou un dispositif d'actionnement de porte pneumatique ou électropneumatique.
Véhicule comportant un dispositif (1) à fluide sous pression suivant l'une des revendications précédentes.
EP15816440.0A 2014-12-19 2015-12-17 Dispositif à air comprimé avec des joints permettant différentes connections fluidiques Active EP3234374B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014019116.8A DE102014019116A1 (de) 2014-12-19 2014-12-19 Druckluftmitteleinrichtung mit aufgrund von Formdichtungen variablen Strömungsverbindungen
PCT/EP2015/080152 WO2016097096A1 (fr) 2014-12-19 2015-12-17 Dispositif à agent d'air comprimé à liaisons fluidiques variables en raison de joints d'étanchéité

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EP3234374A1 EP3234374A1 (fr) 2017-10-25
EP3234374B1 true EP3234374B1 (fr) 2019-02-20

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JP (1) JP6395940B2 (fr)
KR (1) KR101972248B1 (fr)
CN (1) CN107110183B (fr)
BR (1) BR112017012229A2 (fr)
DE (1) DE102014019116A1 (fr)
TR (1) TR201906253T4 (fr)
WO (1) WO2016097096A1 (fr)

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DE102017117335A1 (de) * 2017-07-31 2019-01-31 Bürkert Werke GmbH & Co. KG Betätigungseinheit für ein Prozessventil sowie Prozessventil
DE102019122452A1 (de) 2019-08-21 2021-02-25 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Rückschlagventil-Vorrichtung

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AT250116B (de) * 1963-06-07 1966-10-25 Festo Maschf Stoll G Ventilanordnung
DE2303474C3 (de) * 1973-01-25 1980-08-21 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Druckmittel-Verteilerblock
DE3910381A1 (de) 1989-03-31 1990-10-11 Bosch Gmbh Robert Sammelanschlussplatte
DE4111890C2 (de) * 1991-04-09 1995-04-20 Mannesmann Ag Ventilbatterie, insbesondere für gasförmige Medien
DE202004021530U1 (de) * 2004-10-21 2008-10-16 KNORR BREMSE Systeme für Nutzfahrzeuge GmbH Aus Modulen mit elektrischen und/oder pneumatischen Komponenten aufgebaute elektro-pneumatische Zentraleinheit eines Nutzfahrzeugs
DE102006037307A1 (de) * 2006-08-08 2008-02-14 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Druckluftversorgungseinrichtung für ein Nutzfahrzeug und Lufttrocknerpatrone
DE202006015673U1 (de) * 2006-10-12 2007-02-22 Bürkert Werke GmbH & Co. Modularer Ventilblock
DE102007046168B4 (de) * 2006-11-14 2015-12-17 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung mit Ventilgehäuse und Druckluftleitung
CN203394911U (zh) * 2013-07-18 2014-01-15 富阳通力机械制造有限公司 一种气动液压站的进气阀块

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JP2018501143A (ja) 2018-01-18
TR201906253T4 (tr) 2019-05-21
BR112017012229A2 (pt) 2017-12-26
WO2016097096A1 (fr) 2016-06-23
DE102014019116A1 (de) 2016-06-23
EP3234374A1 (fr) 2017-10-25
KR101972248B1 (ko) 2019-04-24
CN107110183A (zh) 2017-08-29
JP6395940B2 (ja) 2018-09-26
CN107110183B (zh) 2018-09-04
KR20170095384A (ko) 2017-08-22

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