EP0812989B1 - Distributeur électropneumatique piloté - Google Patents

Distributeur électropneumatique piloté Download PDF

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Publication number
EP0812989B1
EP0812989B1 EP97100211A EP97100211A EP0812989B1 EP 0812989 B1 EP0812989 B1 EP 0812989B1 EP 97100211 A EP97100211 A EP 97100211A EP 97100211 A EP97100211 A EP 97100211A EP 0812989 B1 EP0812989 B1 EP 0812989B1
Authority
EP
European Patent Office
Prior art keywords
slide
connections
directional valve
valve according
housing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP97100211A
Other languages
German (de)
English (en)
Other versions
EP0812989A2 (fr
EP0812989A3 (fr
Inventor
Dirk Giere
Rolf Meier
Pierre Bonino
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0812989A2 publication Critical patent/EP0812989A2/fr
Publication of EP0812989A3 publication Critical patent/EP0812989A3/fr
Application granted granted Critical
Publication of EP0812989B1 publication Critical patent/EP0812989B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F15B13/0821—Attachment or sealing of modular units to each other
    • F15B13/0825—Attachment or sealing of modular units to each other the modular elements being mounted on a common member, e.g. on a rail
    • 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
    • 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
    • F15B13/0842—Monoblock type valves, e.g. with multiple valve spools in a common housing
    • 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
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, sockets

Definitions

  • the invention is based on an electropneumatic pilot operated directional valve according to the in the preamble of Claim 1 specified genus.
  • a disadvantage of this 5/2 way valve is that it is only for one Control function is designed as it is used to control a double-acting consumer is needed. In many In this way, an optimal design is not possible for applications, especially in valve carrier systems where a cost and Space-saving design is particularly desirable.
  • DE 44 16 285 A1 describes an electropneumatic pilot operated directional valve known for valve carrier systems, where a given space better with control functions is exploited.
  • two 3/2-way valves in one Standard housing of a 5-way valve integrated by in a through slide hole in one housing two separate control spool arranged coaxially are. This can be a significant one Achieve performance compression in valve carrier systems, however, in some cases it may be inconvenient that the Directional control valve is not designed as a 5/2 valve.
  • the electro-pneumatic pilot operated according to the invention Directional control valve with the characteristic features of the The main claim has the advantage that particularly compact and inexpensive construction specified installation space even better with control functions can be exploited. This can be done in one Valve carrier system on a single valve position Arrange functions of two 5/2-way valves.
  • the Directional control valve can be in a valve carrier system as a result of standardized cutting surface mixed with others Install valve variants. Even when integrating both Directional control valves in a standard housing can be relative simple construction still realize high flow rates, as is otherwise expected with a 5/2-way valve.
  • FIG. 1 shows a partial longitudinal section through an electro-pneumatically piloted directional valve in simplified representation
  • Figure 2 is a plan view of the Directional control valve according to Figure 1
  • Figure 3 through a longitudinal section the housing of the directional valve according to Figure 1 in a simplified Representation
  • Figure 4 is a side view of the housing Figure 3
  • Figure 5 is a partial longitudinal section according to V-V in Figure 2
  • Figure 6 shows a cross section according to VI-VI in Figure 5 in a simplified representation.
  • FIG 1 is a simplified representation electro-pneumatically piloted directional valve 10 partially in Longitudinal section and partially shown schematically as it in a valve carrier system to a valve position Base plate can be mounted.
  • the directional valve consists of essentially from a valve module 11, a pilot control module 12 and a lid 13, which are all assembled.
  • the valve module 11 has a cuboid housing 14, from the standard housing of a 5/2-way valve is derived.
  • the housing 14 has one between two end flange surfaces 15, 16 axially and continuous first slide bore 17, which in Regarding the cross section of the housing 14 in its Axis of symmetry is arranged.
  • Parallel to this Slider bore 17 runs a second, the same size Slider bore 18, which in relation to Figure 1 in small Distance above the first slide bore 17 is arranged.
  • Figure 4 shows in more detail, which is a view of Flange surface 15 of the housing 14 is the second Slider bore 18 slightly off-center to the plane of symmetry Housing 14.
  • the distance between the two slide holes 17, 18 is chosen as small as possible so that the between the remaining wall 19 is smaller in thickness than half the diameter of a slide hole. While the first slide bore 17 to the first flange surface 15 has open first recess 21, has the second Slider bore 18 towards the second flange surface 16 open, same-sized second turn 22. The one below the other same turns 21, 22 are so large in diameter, that they each have the adjacent slide bore 18 or 17th cut and thus break through the wall 19.
  • These three connections 23 to 25 are each as Blind holes carried out in the plane of symmetry of Housing 14 are arranged one behind the other below towards a first, which serves as a mounting surface Open the transverse side 26 of the housing 14.
  • a first which serves as a mounting surface Open the transverse side 26 of the housing 14.
  • the two Return ports 24, 25 and the intermediate Inlet connection 23 are in the housing 14 in the axial direction seen, starting from the first flange surface 15 first to fourth cross-sectional areas 27, 28, 29 and 31 formed radially to the slide bores 17, 18th extend.
  • FIG. 2 shows in more detail, which is a plan view of the Directional valve according to Figure 1 are in the first Transverse side 26 lying opposite, second transverse side 32 several working connections 33 to 36, which are distributed in such a way that a work connection in each of the Cross-sectional areas 27 to 31.
  • A1 designated, first working connection 33 in the second Cross-sectional area 28 during a second work connection 34, designated B1, in the fourth Cross-sectional area 31 is.
  • B1 first working connection 33 in the second Cross-sectional area 28 during a second work connection 34, designated B1 in the fourth Cross-sectional area 31 is.
  • These two work connections 33, 34 form a pair that belongs together, that of the first Slider bore 17 is assigned.
  • a third Working connection 35 is designated A2 and is in the third cross-sectional plane 29, while the fourth Working port 36, designated B2, in the first Cross-sectional plane 27 lies.
  • the third and fourth Working ports 35, 36 form a second pair of related work connections, that of the second Slider bore 18 is assigned.
  • the working connections 33 to 36 are off-center from an axially extending plane of symmetry through the Housing 14 so that the two pairs of work connections each on opposite sides of the plane of symmetry lie and also both pairs in the axial direction to each other are offset. In this way, the distance d between two adjacent work connections as large as possible can be selected so that even with mini valves sufficient space remains for a line connection.
  • FIG. 2 in Connection with Figure 5 and Figure 6 shows in more detail runs in the one running through the work connections A1 and B1 Longitudinal plane one starting from the second transverse side 32
  • Radial bore 42, which in the third cross-sectional area 29 cuts the first slide bore 17 and also via a Cross bore 43 the connection to the second working connection 34th manufactures.
  • These holes 42 and 43 are closed to the outside closed by stoppers.
  • the third working connection 35 is above one second bore 44 that is perpendicular to the second transverse side 32 runs, with the second slide bore 18 in the third Cross-sectional plane 29 in connection.
  • first slide bore 17 there is a first one Control slide 51 and in the second slide bore 18 second control slide 52 arranged.
  • the two Control slide 51, 52 are identical to each other, for one 5/2 valve function designed and to each other by 180 ° reversed in the slide bores 17 and 18 installed.
  • first Control slide 51 has one on the flange surface 15 from the first slide bore 17 projecting piston section 53, to which sealing elements 54, such as O-rings, separated from each other at least a first to fourth Connect ring groove 55 to 58.
  • a first spring 59 is arranged, which is located in the housing 14 and is supported on the piston section 53 and thereby the first Control slide 51 abutting a first drive piston 61 holds.
  • Control spool 51 and drive piston 61 are mechanically separated and only non-positive coupled with each other, the drive piston 61 in Pilot module 12 is slidably guided and a first Pressure space 62 limited. It supports itself in a corresponding manner the second spool 52 with its piston section 53 ' under the force of the spring 59 'on a second one Drive piston 63, which is slidably guided in the cover 13 and is identical to the first drive piston 61.
  • the second Drive piston 63 delimits a second one in cover 13 Pressure chamber 64.
  • Each of the two control slides 51, 52 is via its associated drive piston 61 or 63 supported on the housing and thus marks one Starting position of the control slide 51, 52.
  • first flange surface 15 of the pilot control module 12 is installed, one inside first pilot valve 64 and a second pilot valve 65 records.
  • Both shown schematically Pilot valves 64, 65 are identical to one another and as 3/2 valves designed to counter the electromagnetic Spring force can be actuated.
  • the first pilot valve 64 serves to control the first control slide 51, the second pilot valve 65 correspondingly for the second Control slide 52.
  • the pilot module 12 there is also a Recess 66 open towards the end face 15, in which the first drive piston 61 tight and sliding is led.
  • the first drive piston 61 is concentric arranged to the first control slide 51 and can Actuation of the first control slide 51 in the first pressure chamber 62 are pressurized, for which purpose Pressure chamber 62 via a first control line 67 to the first Pilot valve 64 is connected. Furthermore, the first is Pilot valve 64 via a pressure control line 68 with the Inlet connection 23 in connection. To this pressure control line 68 is also parallel to the first pilot valve 64 second pilot valve 65 connected, of which a second Control line 69 through the housing 14 into the cover 13 leads and there with the second pressure chamber 60 connection Has. Both pilot valves 64, 65 are in parallel via one Sequence control line 71 with an exhaust air control connection 72 in Housing 14 connected. On the control module 12 there is also a electrical connector 73 arranged through which Control signals for the two pilot valves 64, 65 can be entered.
  • the one attached to the second flange surface 16 of the housing 11 Cover 13 has a for receiving the drive piston 63 blind hole-like recess 74, which is concentric to the axis of the second spool 52.
  • the second too The drive piston 63 is separated from the second control slide 52 trained and thus only stored in the lid 13.
  • the first control slide 51 thus forms with the first Pilot valve 64 parts of a first 5/2 valve 76, the controls the work connections A1 and B1.
  • the second Control spool 52 belongs to the second pilot valve 65 to a second 5/2 valve 77, which is used as a working connection the pair are assigned to A2 and B2.
  • Both valves 76, 77 are designed as monostable directional valves, which in the same standard housing 14 are housed and the same inlet connection 23 and the same Use return connections 24, 25.
  • the two Control spools 51 and 52 are of their springs 59, 59 'in pressed the drawn starting positions so that the Valves 76, 77 work as monostable directional valves.
  • the first Pilot valve 64 actuated electromagnetically, so that it control pressure present via the pressure control line 68 the first control line 67 leads into the first pressure chamber 62, so that the pressurized first drive piston 61 against the force of the spring 59 the first spool 51 in its pushes unspecified working position. It can this working position by striking the first Drive piston 61 fixed to the flange surface 15 become. In this working position is now the first Control slide 51 in its slide bore 17 so far shifted to the right that the compressed air from the inlet connection 23 via the connection bore 37 into the second annular groove 56 arrives from where it via the first bore 41 to the first Working port 33 (A1) flows.
  • connection of the second annular groove 56 to the connection bore 38 is from a sealing element 54, which acts here as a control edge, blocked.
  • the third ring groove 57 of the first control spool 51 shifted to the right so far, that they connect to the first radial bore 42 Connection hole 37 interrupts and the latter (42) with the Connecting bore 39 connects to the second tank port 25.
  • the work connection designated B1 34 relieved to the second return port 25.
  • first 5/2 valve 76 remains Get pressure control on the second valve 77, in which the second spool 52 still in the drawn Starting position pressurized the work connection B2 and A2 relieved to the tank. Be the excited first Pilot valve 64 switched off again, so the spring presses 59 the first control slide 51 in the drawn Starting position back, the pressure assignment of the Working connections A1, B1 is switched again.
  • the first 5/2 valve 76 is thus independent of the mode of operation of the second valve 77 for controlling a double-acting Suitable consumer, the valve 76 monostable is executed.
  • the second pilot valve 65 is energized and compressed air via the second control line 69 in the second pressure chamber 60 in Cover 13 out.
  • the drive piston 63 now pushes the second control slide 52 against the force of his spring 59 'to the left in a Working position caused by the stop of the drive piston 63 can be defined in more detail on the second flange surface 16.
  • the housing for the directional valve 10 can be from the standard housing of a single 5/2-way valve derive the same series, so that it is particularly inexpensive can be produced. Due to the integrated arrangement of both Pilot valves in the pilot module on a single one A single electrical end is sufficient for the front of the housing Plug connection for the control of both valves 76, 77. Das Housing 14 and the pilot module 12 are designed that they directly on the without additional adapter plate Base plate can be mounted in a valve carrier system can. By designing the drive piston 61, 63 as from the control slides 51, 52 separate construction elements, which outside the housing 14 in the attached pilot control housing or are stored in the cover 13, are disruptive influences avoided on the storage and guidance of the spool.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Housings (AREA)
  • Multiple-Way Valves (AREA)
  • Servomotors (AREA)

Claims (16)

  1. Distributeur (10) électropneumatique piloté ayant un boítier parallélépipédique (14), un alésage de distributeur (17) passant entre les deux surfaces frontales de bridage (15, 16), ce boítier ayant un tiroir de commande (51) guidé de manière coulissante pour la fonction d'un distributeur à 5/2 voies et commandant la communication entre un ajutage d'alimentation (23) et deux ajutages de retour (24, 25) ainsi que deux ajutages de travail (33, 34), les ajutages de retour (24, 25) et l'ajutage de branchement (23) situé entre eux se trouvant en commun dans un premier côté transversal (26) du boítier (14) alors que les deux ajutages de travail (33, 34) se trouvent dans le second côté transversal (32) du boítier (14), à l'opposé du premier,
    caractérisé en ce qu'
    en parallèle au premier alésage de tiroir (17) le boítier (14) comporte un second alésage de tiroir (18) passant entre les deux surfaces de bridage (15, 16), ce second alésage recevant un second tiroir (52) pour une fonction à 5/2 voies, le second côté transversal (32) comporte une paire (A2, B2) d'ajutages de travail (35, 36) distants des deux premiers ajutages de travail (33, 34), et
    le second tiroir (52) commande les communications entre l'ajutage d'alimentation (23) et les deux ajutages de retour (24, 25) ainsi que la seconde paire d'ajutages de travail (35, 36).
  2. Distributeur selon la revendication 1,
    caractérisé en ce que
    les deux ajutages de retour (24, 25) et l'ajutage d'alimentation (23) interposé, sont situés, dans la direction axiale, l'un derrière l'autre dans le second côté transversal (26) et subdivisent ainsi le boítier (14), entre les deux surfaces de bridage frontales (15, 16), en quatre zones de sections transversales juxtaposées (27, 28, 29, 31), et dans ces quatre zones (27-31), il y a chaque fois l'un des quatre ajutages de travail (33-36).
  3. Distributeur selon la revendication 2,
    caractérisé en ce que
    les ajutages de travail (36, 35) de la première et de la troisième zones de sections transversales (27, 29) forment une paire associée à l'un des tiroirs de commande (52) alors que les ajutages de travail (33, 34) des seconde et quatrième zones de sections transversales (28, 31) forment l'autre paire associée à l'autre tiroir de commande (51).
  4. Distributeur selon la revendication 3,
    caractérisé en ce que
    les deux paires d'ajutages de travail (33, 34 ; 35, 36) passent dans deux plans longitudinaux parallèles, distants, qui sont notamment excentrés par rapport au premier alésage à tiroir (17) central.
  5. Distributeur selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    les deux alésages à tiroir (17, 18) du boítier (14) sont essentiellement superposés par rapport à un plan passant par les ajutages d'alimentation ou de retour (23-25), et l'intervalle entre eux est aussi réduit que possible de sorte que l'épaisseur de paroi (19) qui subsiste entre eux est inférieure au diamètre de l'alésage de tiroir (17, 18), et notamment inférieure au rayon de celui-ci.
  6. Distributeur selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    les deux tiroirs de commande (51, 52) comportent, à leur extrémité (53, 53') correspondant aux surfaces de bridage opposées (15, 16), pour un fonctionnement monostable, un piston d'entraínement (61, 63) commandé par un ressort (59, 59') et par le moyen sous pression.
  7. Distributeur selon la revendication 6,
    caractérisé en ce que
    la position des alésages à tiroir (51, 52) l'un par rapport à l'autre est choisie pour que, vu en coupe, chaque piston d'entraínement (61, 63) recouvre au moins partiellement l'autre alésage de tiroir (18, 17) par sa surface de section.
  8. Distributeur selon la revendication 6 ou 7,
    caractérisé en ce que
    les pistons d'entraínement (61, 63) sont guidés dans des modules (12, 13) séparés des tiroirs de commande (51, 52), ces modules étant montés contre les surfaces de bridage (15, 16) du boítier (14).
  9. Distributeur selon la revendication 8,
    caractérisé en ce que
    les modules sont réalisés l'un sous la forme d'un couvercle (13) et l'autre d'un module de pilotage (12), ce dernier recevant les deux soupapes de pilotage (64, 65) pour les deux pistons d'entraínement (61, 63).
  10. Distributeur selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    l'ajutage d'alimentation (23) et les deux ajutages de retour (24, 25) sont reliés chaque fois par un perçage de branchement (37, 38, 39) parallèle aux deux alésages de distributeur (17, 18).
  11. Distributeur selon la revendication 10,
    caractérisé en ce que
    les deux ajutages de travail (33, 35) situés à l'intérieur, se trouvent dans les seconde et troisième zones de sections transversales (28, 29) et sont reliés chaque fois aux alésages de distributeur (17, 18) par des perçages (41, 44) perpendiculaires aux alésages de tiroir (17, 18), tandis que les ajutages de travail (34, 36) situés à l'extérieur dans les quatrième et première zones de sections transversales (31, 27) sont reliés chaque fois par des liaisons transversales (42, 43 ; 45, 46) aux deux alésages de tiroir (17, 18) également dans les troisième et seconde zones de sections transversales (29, 28).
  12. Distributeur selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce que
    chaque tiroir de commande (51, 52) comporte au moins quatre rainures annulaires (55-58) susceptibles d'être traversées par le fluide sous pression et séparées les unes des autres de manière étanche par des éléments d'étanchéité (54).
  13. Distributeur selon l'une quelconque des revendications 6 à 12,
    caractérisé en ce que
    chaque alésage de tiroir (17, 18) possède un dégagement (21, 22) ouvert en direction d'une surface de bridage (15, 16) pour recevoir un ressort (59, 59') s'appuyant dans le boítier (14) et contre le tiroir de commande (17, 18), et en particulier chaque dégagement coupe l'autre alésage de tiroir (18, 17).
  14. Distributeur selon l'une quelconque des revendications 1 à 13,
    caractérisé en ce que
    les deux tiroirs de commande (51, 52) sont de même construction.
  15. Distributeur selon l'une quelconque des revendications 9 à 14,
    caractérisé en ce que
    des canaux de commande (68, 69, 71) traversent le boítier (14) et l'un d'eux va de la soupape pilotée (65) vers le piston d'entraínement (63) du couvercle (13).
  16. Distributeur selon l'une quelconque des revendications 5 à 15,
    caractérisé en ce que
    le premier alésage à tiroir (17) se situe dans l'axe de symétrie longitudinal du boítier (14).
EP97100211A 1996-06-12 1997-01-09 Distributeur électropneumatique piloté Expired - Lifetime EP0812989B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19623446A DE19623446A1 (de) 1996-06-12 1996-06-12 Elektropneumatisch vorgesteuertes Wegeventil
DE19623446 1996-06-12

Publications (3)

Publication Number Publication Date
EP0812989A2 EP0812989A2 (fr) 1997-12-17
EP0812989A3 EP0812989A3 (fr) 1998-07-22
EP0812989B1 true EP0812989B1 (fr) 2001-10-10

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ID=7796749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97100211A Expired - Lifetime EP0812989B1 (fr) 1996-06-12 1997-01-09 Distributeur électropneumatique piloté

Country Status (2)

Country Link
EP (1) EP0812989B1 (fr)
DE (2) DE19623446A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603348A (en) * 1969-07-31 1971-09-07 Mosier Ind Inc Valve improvements
DE4340770A1 (de) 1993-11-30 1995-06-01 Bosch Gmbh Robert Pneumatische Ventileinrichtung mit wenigstens zwei aneinander befestigten Gehäusemodulen
DE4416285A1 (de) 1994-05-07 1995-11-09 Bosch Gmbh Robert Elektropneumatische Ventileinrichtung
JP3323349B2 (ja) * 1994-12-27 2002-09-09 エスエムシー株式会社 切換弁集合体

Also Published As

Publication number Publication date
DE19623446A1 (de) 1997-12-18
DE59704836D1 (de) 2001-11-15
EP0812989A2 (fr) 1997-12-17
EP0812989A3 (fr) 1998-07-22

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