WO2010118811A1 - Dispositif à soupapes - Google Patents

Dispositif à soupapes Download PDF

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Publication number
WO2010118811A1
WO2010118811A1 PCT/EP2010/001765 EP2010001765W WO2010118811A1 WO 2010118811 A1 WO2010118811 A1 WO 2010118811A1 EP 2010001765 W EP2010001765 W EP 2010001765W WO 2010118811 A1 WO2010118811 A1 WO 2010118811A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
channel
fluid
way valves
cross
Prior art date
Application number
PCT/EP2010/001765
Other languages
German (de)
English (en)
Inventor
Michael Berner
Rolf Berger
Original Assignee
Festo Ag & Co. Kg
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 Festo Ag & Co. Kg filed Critical Festo Ag & Co. Kg
Priority to EP10711340.9A priority Critical patent/EP2419647B1/fr
Publication of WO2010118811A1 publication Critical patent/WO2010118811A1/fr

Links

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
    • F15B13/0832—Modular valves
    • F15B13/0839—Stacked plate type valves
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link

Definitions

  • the invention relates to a valve device for fluid supply fluidic consumers, with a plurality of valve modules lined up in a stacking direction;
  • the valve modules each comprise a plate-shaped channel body, which is a Speii sekanalaus simplifiedung designed for connection to a fluid source, two provided for coupling fluidic consumers working channels and a venting fluidic consumers serving EntlwestskanalausEnglishung and two mutually parallel, mutually opposite joining surfaces and perpendicular to the joining surfaces aligned Having outer surfaces, wherein the joining surfaces determine the stacking direction and are designed to rest on joining surfaces of adjacent channel body; and four 2/2 way valves each having first and second fluid ports and a movable valve member for adjusting a free fluid channel cross section between the first and second fluid ports, wherein the four 2/2-way valves of the valve modules interconnect in a full bridge configuration are in which the first fluid ports of the first and second 2/2 way valves are connected to the SuitekanalausEnglishung, the second fluid port of the first 2/2-way valve and the first
  • a multi-way valve with a freely configurable valve function which comprises a plurality of pressure medium connections arranged on a valve body and an electrically controllable drive unit for actuating a valve mechanism accommodated in the valve body.
  • the i5 valve mechanism consists of at least four individual 2/2-way main valves connected in series with pressure medium connections arranged in between. Each individual main valve is associated with an electric drive element which is connected to a common electronic control device.
  • valve arrangement for gaseous and liquid media comprises at least four to a multi-way valve unit in full bridge arrangement
  • 25 linked 2/2-way valves which is associated with an electrical control unit having at least one bus connection, at least one sensor port and at least one pulse width modulation.
  • the directional control valves are designed as fast switching plate anchor valves whose switching time is less than 5
  • DE 102 42 726 A1 discloses a valve plate with poppet valves integrated therein, which can be switched by upstream control valves and associated control channels, wherein the control channels are bounded by two opposing channel plates, one of which is exchangeable to different interconnections of the control channels and thus to allow different switching functions for the poppet valves.
  • EP 0 391 269 B1 discloses a solenoid valve battery with a plurality of solenoid valves arranged on a common base plate, which can be supplied together with compressed air on the input side via a channel integrated in the base plate.
  • the channel is connected to a stub, which opens at two opposite surfaces of the base plate.
  • a solenoid valve which has a base body penetrated by valve channels and a magnetic head having an electromagnet device. Between the magnetic head and the base body, which are arranged successively in the direction of a main axis, a communicating with a plurality of valve channels valve chamber is arranged.
  • the valve chamber contains a plate-shaped armature serving as a valve member, which can be attracted by a stationary magnetic core arrangement of the electromagnetic device.
  • the object of the invention is to provide a valve device with compact valve modules.
  • Cross-sectional main extension is the longest straight line that can be placed in the cross-sectional plane in the cross section of the 2/2-way valve and is aligned parallel to an outer surface of the 2/2 way valve.
  • the cross-sectional main extension is equivalent to the length of the longer outer edge of the rectangular cross-section of the actuating means.
  • the 2/2 -way valves in the cross-sectional plane parallel to the assembly surface have a thickness extension in the stacking direction which is a fraction, preferably less than 50-25 percent, particularly preferably less than 35 percent, in particular less than 25 percent , of the
  • Cross-sectional main extension is. This makes it possible to achieve a particularly compact design of the valve modules.
  • the actuating means of the 2 / 2- 30 way valves are formed substantially cuboid and Parallel to the joining surfaces aligned surfaces of the 2/2 way valves are arranged in a common plane.
  • the cuboid design of the 2/2-way valves ensures particularly good space utilization.
  • the cuboid configuration of the 2/2-way valves promotes a separate replacement of each of the 2/2-way valves, without requiring the disassembly of adjacent valve modules.
  • the arrangement of the surfaces of the 2/2 way valves in a common, aligned parallel to the joining surfaces level ensures that the 2/2 way valves are not offset from each other, as a compact arrangement of the valve modules would be affected.
  • the actuating means of the 2/2-way valves each have a, preferably U-shaped, return device with a plurality of legs, which are interconnected at one end by means of a connecting web, are each partially covered by coil means and perpendicular are aligned to the mounting surface.
  • the actuation force necessary for actuating the valve member is provided by the at least two coil means, which are each exemplarily electrically controllable solenoid coils.
  • the feed channel recess and / or the vent channel recess are arranged in the channel body of the valve device such that they can be brought into registry with the feed channel recesses and / or the vent channel recesses of adjacent channel bodies at least in areas, preferably completely, when the channel bodies are arranged in the stacking direction ,
  • the feed channel recess and / or the vent channel recess in each of the channel bodies of the valve device are arranged at the same position. This ensures that the feed and / or venting channels extending along the stacking direction can be formed with substantially larger free cross sections than would be the case for feed and / or venting channels provided individually on the respective channel bodies.
  • a fluid feed pressure owing to the lower flow resistance in the feed and / or venting channels according to the invention, it is possible to achieve large fluid volume flows for the flowing fluid.
  • the channel body is formed in one piece. As a result, complex sealing measures between the individual 2/2 way valves and the fluid channels assigned to them are reduced or completely avoided.
  • the channel body may for example be made of metal, in particular as a milled part, die-cast part or precision casting.
  • the channel body may be formed as a plastic part, in particular as a plastic injection molded part.
  • 2/2 -way valves are designed as valve units, in which the actuating means with a valve portion forms a compact unit which is placed on the mounting surface of the channel body, wherein the valve portion comprises the first and the second fluid port and a valve seat, opposite to which the valve member is movably arranged in order to influence the free fluid channel cross section between the first and the second fluid connection between a blocking position and a release position.
  • the 2/2-way valves are formed completely outside the channel body and are mounted as compact units on the mounting surface of Kanalk ⁇ rpers.
  • the 2/2-way valves have, in addition to the electrically controllable actuating means, the valve section which serves to guide the fluid.
  • the valve portion has a fluid channel, which opens at an outer surface into two spaced-apart fluid ports.
  • a valve seat is formed, which allows a sealing engagement of the valve member to block the free cross-section of the fluid channel.
  • the valve member can be moved by a force exerted by the actuating force from a sealing contact with the valve seat in a release position in which the valve seat and thus the fluid channel cross section are free.
  • the actuating means can thus influence the valve member such that it occupies either the blocking position or the release position.
  • valve section in which the fluid connections open out, is provided for flat, sealing engagement with the component surface of the channel body.
  • the fluid connections are provided for communicating connections with fluid channels in the channel body.
  • valve units are screwed onto the channel body and each have around the fluid connections circumferential sealing means in order to achieve a sealing connection between the valve portion and mounting surface of the channel body.
  • FIG. 1 shows a perspective view of a valve device
  • FIG. 2 shows a perspective exploded view of the valve device according to FIG. 1,
  • FIG. 3 shows a perspective view of a valve module from the valve device according to FIGS. 1 and 2,
  • FIG. 4 is a perspective sectional view of the valve module according to FIG. 3,
  • FIG. 5 shows a plane sectional illustration of the valve module according to FIG. 3,
  • FIG. 6 is a sectional view of a valve unit.
  • a valve device 1 shown in FIG. 1 is provided for the fluidic supply of a plurality of fluidic consumers (not shown), for example a pneumatic working cylinder.
  • the valve device 1 is used to control and / or regulate a plurality of fluid streams to be provided by a fluid source, not shown, to the respective fluidic consumers.
  • the valve device 1 comprises a plurality of valve modules 2 of an exemplary disk-like design, which are lined up in a stacking direction 3.
  • the valve modules 2 are arranged between a base element 4 and an end plate 5, which delimit the valve device 1 along the stacking direction 3 at each end.
  • valve modules 2 are associated with additional modules 6, 7, which are designed for example as valve elements or sensor elements.
  • additional modules 6, 7 can be arranged in an assembly direction 92 orthogonal to the stacking direction 3 and, if required, make it possible to extend the functional scope of the valve module 2.
  • the valve modules 2 of the valve device 1 are also without them assigned additional modules 6, 7 can be used.
  • the base element 4 has the shape of a cuboid and, at an end face 8 whose surface normal is oriented orthogonally to the stacking direction 3, has a feed opening 9 for the connection of a fluid conductor (not shown).
  • the fluid conduit is provided for communicating communication with the fluid source, not shown, from which, for example, pressurized or vacuum pressurized fluid is provided.
  • the base element 4 furthermore has a vent opening 10 which, for example, serves as an outlet for fluid. can serve that has already flowed through the valve device 1 and the fluidic consumers, not shown.
  • a silencer can be arranged on the vent opening 10 of the base element 4.
  • valve device 1 a plurality of valve modules 2 are lined up on the base element 4 in the stacking direction 3, all of which have the same structure, described in more detail below.
  • the task of the valve modules 2 is to dispense the fluid provided via the base element 4 in the desired manner to the fluidic consumers (not shown) and, if appropriate, to return the fluid flowing back from the fluidic consumers back to the base element 4.
  • Each of the valve modules 2 illustrated in greater detail in FIGS. 2 to 5 comprises a plate-shaped channel body 11 and uniformly shaped valve units 12 placed on the channel body 11.
  • the valve units 12 of the valve module 2 are provided with a cover strip 13, for example for noise insulation and / or for shielding the valve units 12 against environmental influences, in particular dirt, and / or for electrical contacting of the valve units 12 may be formed.
  • the valve unit 12 of the additional module 6 is provided with a cover 14, which realizes the same functionality for the single valve unit 12 as the cover strip 13 for the plurality of valve units 12 of the valve module 2.
  • the channel body 11 which may have, for example, a cubic external geometry, has two mutually opposite joining surfaces 15, 16, the surface area of which is not shown. are aligned parallel to the stacking direction 3.
  • the joining surfaces 15, 16 form in the illustrated embodiment of the channel body 11 whose largest surfaces.
  • the non-illustrated surface normal extending perpendicular to the stacking direction 3 serves a shorter narrow side as a connection surface 17 and a longer narrow side than mounting surface 18th
  • connection openings 19, 20 of the working channels 21, 22 described in more detail below open out.
  • connecting bores 25, 26, 27 and 28 of the working channels 21, 22 open, as can be seen in FIGS. 4 and 5.
  • Connecting holes 29, 30, 31, 32 which open out and communicate with feeding channel recesses 35 or vent channel recesses 36 in the channel body 11, which are described in greater detail below, also open out of the mounting surface 18.
  • FIGS. 4 and 5 each show a cross-sectional main extension 37 of the feed channel recess 35 and a cross-sectional main extension 38 of the vent channel recess 36.
  • the cross-sectional main extension 37, 38 is in each case a straight line which projects lying horizontally in the middle of the maximum length within a boundary of the respective cross section of the feed channel recess 35 or the vent channel recess 36.
  • the cross-sectional main stretches 37, 38 are aligned coaxially with one another and run parallel to the surface normal of the connection surface 17 (not illustrated).
  • the feed channel recess 35 and the vent channel recess 36 of the channel bodies 11 of the valve modules 2 lined up in the stacking direction 3 form a continuous feed channel extending between the base element 4 and the end plate 5 Arrow 39 is symbolized, and a continuous venting channel, which is symbolized by the i5 arrow 40. This allows a central supply and disposal of the valve modules 2 with or from fluid.
  • the working channels 21 and 22 respectively extend between the connection openings 20 or 19 provided on the connection surface 17 and the connection bores 25 and 28 or 26 and provided on the assembly surface 18 27th
  • the first working channel 21 provides a communicating connection between the 25 fluidic consumers which can be connected to the connection opening 20 and the first 2/2 way valve 41 and the fourth 2/2-way valve 46.
  • the second working channel 22 is provided for a communicating connection between the connection opening 19 and the second 2/2 way valve 42 and the third 2/2 way valve 45.
  • groove-like depressions 61, 62 are introduced.
  • the groove-like depressions 61, 62 each form a section of the working channel 21 or 22.
  • the groove-like recess 61 is in communication with the working channel bores 57, 58, which are aligned, for example, as perpendicular to the joining surfaces 15, 16 second connection opening 20 on the connection surface 17 and with the connection bores 25 and 28 on the mounting surface 18.
  • the groove-like depression 62 lo is connected via the associated working channel bores 59, 60, 63 in communicating connection with the connection opening 19 on the connection surface 17 and with the connection bores 26 and 27 on the mounting surface 18.
  • FIGS. 4 and 5 The crossing-free arrangement of the fluidic connections can be seen in FIGS. 4 and 5, in which the groove-like depressions 61, 62 are shown in dashed lines, since they lie in the second fluid channel plane 34 arranged at a distance from the illustrated sectional plane, as is taken from FIG can be.
  • FIG. 3 shows groove-like recesses 65, 66, 67, 68, which are respectively arranged circumferentially around the feed channel recess 35, around the vent channel recess 36, around the groove-like recess 61 and around the groove-like recess 62. These serve to accommodate non-illustrated,
  • the construction of the 2/2 way valve 46 shown by way of example in FIG. 6 is representative of all the 2/2-way valves 41, 42, 45 30 46 shown in FIGS. 1 to 5.
  • the 2/2 way valve 46 is compact Valve unit 12 consists essentially of an electromagnetic Betusch Trent- 76, a valve section 77 and a spacer plate 78 accommodated between actuating means 76 and valve section 77.
  • the actuating means 76, the valve portion 77, the spacer plate 78 in a non-illustrated, parallel to the mounting surface 18 aligned cross-sectional plane on the same outer contour.
  • the cross-sectional main extension 90 shown in FIG. 3 is equivalent to the longest edge of the actuation means 76 lying in the plane of the component surface 18.
  • the cross-sectional main extensions 90 of the adjacently arranged 2 / 2-way valves 41, 42, 45, 46 of the respective valve module 2 are aligned coaxially with each other.
  • the surfaces 91 of the 2/2-way valves 41, 42, 45, 46 oriented parallel to the joining surfaces 15, 16 are arranged in a common plane 93.
  • the electromagnetic actuating means 76 shown in greater detail in FIG. 6 comprises a U-shaped iron yoke 79 composed of a plurality of individual plates, on the mutually parallel legs 82, 85 of which electromagnetic coil bodies 80, 81 each constructed of wire turns (not illustrated) are arranged.
  • the substantially cylindrical sleeve-shaped bobbin 80, 81 can be acted upon by means not shown electrical connection lines with electrical energy.
  • the two legs 82, 85 of the iron yoke 79 are interconnected by a connecting web 86, which allows a magnetic flux between the two legs 82, 85.
  • a present plate-shaped valve member 87 is arranged, whose thickness is selected to be smaller than the thickness of the spacer plate 78.
  • a movement of the valve member 87 from the blocking position shown in Figure 6 upwards into the release position, not shown, can take place when the coil body 80, 81 of the electromagnetic actuating means 76 are acted upon by electrical energy.
  • a magnetic field is built up in the coil bodies 80, 81 and guided to the free ends of the legs 82, 85 of the iron yoke 79, by means of whose attractive force the valve member 87 made of magnetizable material can be moved in the direction of the iron yoke 79.
  • valve member 87 closes a
  • valve unit 12 is formed mirror-symmetrical to a mirror plane, which is aligned normal to the plane of representation of FIG , Accordingly, the valve chamber 88 communicates with the two first fluid ports 55, which are arranged symmetrically with respect to the first fluid port 56, in communicating connection.
  • valve member 87 If at the first fluid port 55 and thus also in the valve chamber 88, an overpressure relative to the second fluid Final 56 is present, a resultant compressive force acts on the valve member 87, which is directed downward as shown in FIG. Without a corresponding magnetic attraction provided by the electromagnetic actuator 76 and acting in the opposite direction, the valve member 87 is pressed onto a valve seat 89 formed in the valve portion 77, thereby closing the passage 83 between the first and second fluid ports 55,56.
  • the electromagnetic actuator 76 Upon application of electrical energy to the electromagnetic actuator 76, it exerts a magnetic force of attraction on the valve member 87. With the magnetic attraction force, the resulting pressure force on the valve member 87 can be overcome, so that the valve member 87 is lifted from the valve seat 89 and the passage 83 releases. Thus, fluid may flow between the first fluid port 55 and the second fluid port 56.
  • all of the 2/2-way valves 41, 42, 45, 46 are arranged in such a way that they each have an overpressure in the associated valve chamber 88 with respect to the first fluid connection 47 when the overpressure loading of the feed channel recess 35 is typically provided. 49, 51, 55 and thereby held in a normally closed position.
  • the valve unit 12 which in the embodiment is realized in the 2/2-way valves 41, 42, 45, 46, can be elongated Have shape.
  • the valve unit 12 has with respect to the expansions in the three perpendicular to each other spatial directions, length, width, height differ significantly.
  • the valve units 12 are formed such that they have a small width which is equal to or slightly smaller than the width to be measured in the stacking direction 3 of the channel body 11 is selected.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valve Housings (AREA)

Abstract

L'invention concerne un dispositif à soupapes pour l'alimentation en fluide de consommateurs de fluides, comprenant une pluralité modules soupapes (2) juxtaposés dans une direction d'empilement (3). Les modules soupapes (2) comprennent respectivement un corps à canaux (11), en forme de plaque, doté d'un évidement (35) de canal d'alimentation et/ou d'un évidement (36) de canal de purge et quatre distributeurs 2/2 (41, 42, 45, 46) présentant respectivement un premier et un deuxième raccords pour fluides (47, 48, 49, 50, 51, 52, 55, 56), les quatre distributeurs 2/2 (41, 42, 45, 46) des modules soupapes (2) étant interconnectés dans une disposition de pont complet. Selon l'invention, les distributeurs 2/2 (41, 42, 45, 46) présentent, dans un plan de coupe transversale parallèle à la surface d'équipement (18), une coupe transversale allongée dont l'extension principale (90) est au moins sensiblement perpendiculaire à la direction d'empilement, les extensions (90) des coupes transversales des distributeurs 2/2 (41, 42, 45, 46) d'un module soupape (2) étant mutuellement d'orientation coaxiale.
PCT/EP2010/001765 2009-04-17 2010-03-20 Dispositif à soupapes WO2010118811A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10711340.9A EP2419647B1 (fr) 2009-04-17 2010-03-20 Dispositif à soupapes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009017877.5 2009-04-17
DE102009017877A DE102009017877A1 (de) 2009-04-17 2009-04-17 Ventileinrichtung

Publications (1)

Publication Number Publication Date
WO2010118811A1 true WO2010118811A1 (fr) 2010-10-21

Family

ID=42262287

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/001765 WO2010118811A1 (fr) 2009-04-17 2010-03-20 Dispositif à soupapes

Country Status (3)

Country Link
EP (1) EP2419647B1 (fr)
DE (1) DE102009017877A1 (fr)
WO (1) WO2010118811A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2549125B1 (fr) 2011-07-22 2016-12-28 Festo AG & Co. KG Dispositif de vanne
DE202013101717U1 (de) 2013-04-22 2013-04-25 Bürkert Werke GmbH Kanalmodulsystem
DE102022106225A1 (de) 2022-03-17 2023-09-21 Festo Se & Co. Kg Ventilmodulsystem
DE102022106224A1 (de) 2022-03-17 2023-09-21 Festo Se & Co. Kg Ventilmodulsystem

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391269B1 (fr) 1989-03-30 1993-07-14 MANNESMANN Aktiengesellschaft Bloc de valves électromagnétiques
DE29722782U1 (de) * 1997-12-23 1999-04-22 Bürkert Werke GmbH & Co., 74653 Ingelfingen Mehrwegeventilanordnung
DE10208390A1 (de) 2001-10-25 2003-05-15 Rexroth Mecman Gmbh Mehrwegeventil mit freikonfigurierbarer Ventilfunktion
DE10242726A1 (de) 2002-09-13 2004-03-25 Imi Norgren-Herion Fluidtronic Gmbh & Co. Kg Mehrwegeventil
DE10315460A1 (de) * 2003-03-27 2004-10-21 Steuerungstechnik Staiger Gmbh & Co. Produktions-Vertriebs-Kg Ventilanordnung für gasförmige und flüssige Medien
EP1748238B1 (fr) 2005-07-26 2008-01-02 Festo Ag & Co. Soupape électromagnétique

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391269B1 (fr) 1989-03-30 1993-07-14 MANNESMANN Aktiengesellschaft Bloc de valves électromagnétiques
DE29722782U1 (de) * 1997-12-23 1999-04-22 Bürkert Werke GmbH & Co., 74653 Ingelfingen Mehrwegeventilanordnung
DE10208390A1 (de) 2001-10-25 2003-05-15 Rexroth Mecman Gmbh Mehrwegeventil mit freikonfigurierbarer Ventilfunktion
DE10242726A1 (de) 2002-09-13 2004-03-25 Imi Norgren-Herion Fluidtronic Gmbh & Co. Kg Mehrwegeventil
WO2004027268A1 (fr) * 2002-09-13 2004-04-01 Imi Norgren-Herion Fluidtronic Gmbh & Co. Kg Soupape multivoie
DE10315460A1 (de) * 2003-03-27 2004-10-21 Steuerungstechnik Staiger Gmbh & Co. Produktions-Vertriebs-Kg Ventilanordnung für gasförmige und flüssige Medien
EP1748238B1 (fr) 2005-07-26 2008-01-02 Festo Ag & Co. Soupape électromagnétique

Also Published As

Publication number Publication date
DE102009017877A1 (de) 2010-10-21
EP2419647A1 (fr) 2012-02-22
EP2419647B1 (fr) 2013-08-21

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