EP0281510B1 - Module for a multiple-way valve - Google Patents
Module for a multiple-way valve Download PDFInfo
- Publication number
- EP0281510B1 EP0281510B1 EP88810032A EP88810032A EP0281510B1 EP 0281510 B1 EP0281510 B1 EP 0281510B1 EP 88810032 A EP88810032 A EP 88810032A EP 88810032 A EP88810032 A EP 88810032A EP 0281510 B1 EP0281510 B1 EP 0281510B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting elements
- carrier
- distributor block
- passages
- flanged
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract 2
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
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
- F15B13/0814—Monoblock manifolds
-
- 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
-
- 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
- F15B13/086—Sensing means, e.g. pressure sensors
-
- 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
- F15B13/0864—Signalling means, e.g. LEDs
Definitions
- the invention relates to a manifold block for multi-way valves according to the preamble of claim 1.
- a distributor block of this type is known from GB-A 2 017 224.
- a carrier is provided for each connecting element and the carriers are screwed together with intermediate seals.
- FIG. 1 Another known manifold block of this type is used for electrically or pneumatically operated 5/2 way valves.
- the connection diagrams are usually designed according to ISO standard 5599/1.
- This distributor block has one or two end plate (s) with bores for pressure, working, venting and control connections, which are attached at the end or at the ends of the connecting elements arranged in a row and screwed together.
- the connecting channels from one connecting element to another and to the end plate lead through side walls which run perpendicular to the surface on which the valve is flanged.
- the invention has for its object to provide a distributor block of the type mentioned, which is non-rotatable even with a long version and requires a lower pressure drop.
- the connecting elements of the distributor block according to the invention can be cast inexpensively in metal, for example aluminum or plastic.
- the connecting channels between the flange surfaces of the connecting elements are made much simpler. These elements can therefore be easily cast.
- the assembly effort is less than with the known distributor block and the flow resistance for gas or liquid is smaller thanks to the separation of the flange surfaces.
- the connecting elements can also be arranged rotated by 180 ° relative to one another on the carrier, which results in further connection options.
- connections can be made either on the side or at the bottom.
- the distance between the flange surfaces of the connecting elements is smaller than in a comparable embodiment according to the prior art. With a correspondingly smaller volume, a larger flow is achieved. The material consumption and the manufacturing costs are correspondingly lower.
- a carrier 1 is cuboid and has parallel through holes 3 which are connected to pressure, working, venting and control lines, not shown here.
- Each through hole 3 is connected via two holes 19 to a flat flange surface C of the carrier 1.
- a further flange surface A is arranged on each connecting element 2 opposite and parallel to the flange surface B.
- the connecting elements 2 are provided with comparatively simple connecting channels 10, for example in accordance with the ISO standard 5599/1.
- the channels 10 open towards both flange surfaces A and B are connected on the one hand to the bores 19 and on the other hand to corresponding bores (not shown here) of a valve 17 flanged onto the surface A.
- the valves 17 are, for example, known electrically operated 5/2-way valves or pneumatically operated directional valves. These are fastened by means of screws 14 screwed into threaded bores 14 and are also equipped on the contact surfaces with a molded seal, not shown here.
- Fig. 1 for the more favorable illustration, only one valve 17 is shown and the bores 10, 14 and 19 are also not shown.
- all connecting elements 2 are of identical design and a valve 17 is connected to each.
- the connecting elements 2 are preferably made of die-cast aluminum.
- valves 17 can also be mounted according to FIG. 6 on opposite flange surfaces C and C 'of a carrier 28 which accordingly has an additional bore 19'. Twice as many valves 17 can be connected to the carrier 28 as to the carrier 1, or a shorter carrier results with the same number of valves 17.
- the carrier 1 can have an intermediate plate 25, which has a regulating screw 24 and channels 26 and 27 are provided for regulating the exhaust air.
- the intermediate plate 25 has bores, not shown, which connect the bores 3 to the connecting elements 2.
- Intermediate plates are also provided with a pressure indicator or with individual ventilation feed.
- the connecting elements 2 are angled and have a comparatively short angled part 23 which is provided with lateral bores 9 and / or bores 20 on its underside. Screw-in or plug-in connection elements can be inserted directly into the bores 9 and 20.
- a connection plate 4 provided with a sealing ring 15 is preferably removably placed on the angled part 23 by means of a spring clip 7 which engages in corresponding grooves 8 (FIG. 2) in the connecting element 2.
- the connection plate 4 can also be fastened to the connecting element 2 with another suitable closure or can also be screwed on.
- 5 also shows a connection plate 5 with a 60 ° angled outlet.
- connection plates 5 and 6 can be rotated so that, for example, the connection elements 6 are arranged next to one another or one above the other, as shown in FIG. 1.
- connection plates 4, 5 can be attached to a distribution block and a direct connection to a bore 20 provided on the underside is also possible at the same time.
- connection element 6 is attached to the connection plate 4 partially or entirely below the flange surface B.
- This has the significant advantage that the distance between the areas A and B can be smaller than usual.
- the distance between the surfaces mentioned is kept as small as possible.
- the connecting elements 2 can also be rotated through 180 ° and also arranged alternately, so that the one working connections 6 are arranged on one side and the other on the opposite long side of the carrier 1. In the embodiment according to FIG. 4, only the channels 10 have to be shifted to the left, the distributor block becoming somewhat wider, however.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Housings (AREA)
- Fluid-Pressure Circuits (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Description
Die Erfindung betrifft einen Verteilerblock für Mehrwegeventile nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a manifold block for multi-way valves according to the preamble of
Ein Verteilerblock dieser Art ist durch die GB-A 2 017 224 bekannt geworden. Bei diesem ist für jedes Verbindungselement ein Träger vorgesehen und die Träger sind unter Zwischenlager von Dichtungen miteinander verschraubt.A distributor block of this type is known from GB-A 2 017 224. In this case, a carrier is provided for each connecting element and the carriers are screwed together with intermediate seals.
Ein weiterer bekannter Verteilerblock dieser Art wird für elektrisch oder pneumatisch betätigte 5/2 Wegeventile verwendet. Die Anschlussbilder sind hierbei in der Regel nach der ISO-Norm 5599/1 ausgeführt. Dieser Verteilerblock weist eine oder zwei Endplatte(n) mit Bohrungen für Druck-, Arbeits-, Entlüftungs- und Steueranschlüsse auf, die am Ende bzw. an den Enden der in einer Reihe angeordneten und miteinander verschraubten Verbindungselementen angebracht sind. Die Verbindungskanäle von einem Verbindungselement zu einem anderen und zur Endplatte führen durch Seitenwände, die senkrecht zur Fläche verlaufen, auf welcher das Ventil aufgeflanscht ist.Another known manifold block of this type is used for electrically or pneumatically operated 5/2 way valves. The connection diagrams are usually designed according to ISO standard 5599/1. This distributor block has one or two end plate (s) with bores for pressure, working, venting and control connections, which are attached at the end or at the ends of the connecting elements arranged in a row and screwed together. The connecting channels from one connecting element to another and to the end plate lead through side walls which run perpendicular to the surface on which the valve is flanged.
Die Herstellung der Verbindungskanäle ist vergleichsweise aufwendig und entsprechend teuer. Bei beiden bekannten Ventilblöcken kann zudem bei langen Ausführungen eine Verdrehung um die Längsachse auftreten. Nachteilig ist weiter, dass der Druckabfall im Verteilerblock vergleichsweise gross ist.The production of the connecting channels is comparatively complex and correspondingly expensive. In both known valve blocks, a rotation about the longitudinal axis can also occur in long versions. Another disadvantage is that the pressure drop in the distributor block is comparatively large.
Der Erfindung liegt die Aufgabe zugrunde, einen Verteilerblock der eingangs genannten Gattung zu schaffen, der auch bei langer Ausführung verdrehsicher ist und einen geringeren Druckabfall bedingt.The invention has for its object to provide a distributor block of the type mentioned, which is non-rotatable even with a long version and requires a lower pressure drop.
Diese Aufgabe wird durch die Erfindung nach dem kennzeichnenden Teil des Anspruchs 1 gelöst.This object is achieved by the invention according to the characterizing part of
Die Verbindungselemente des erfindungsgemässen Verteilerblocks können kostengünstig in Metall, beispielsweise Aluminium oder Kunststoff gegossen werden. Die Verbindungskanäle zwischen den Flanschflächen der Verbindungselemente sind wesentlich einfacher ausgebildet. Diese Elemente können deshalb ohne weiteres gegossen werden. Der Montageaufwand ist kleiner als beim bekannten Verteilerblock und der Durchflusswiderstand für Gas oder Flüssigkeit dank der Trennung der Flanschflächen kleiner. Bei entsprechend symmetrischer Ausbildung können die Verbindungselemente auch zueinander um 180° verdreht auf dem Träger angeordnet werden, wodurch sich weitere Anschlussmöglichkeiten ergeben.The connecting elements of the distributor block according to the invention can be cast inexpensively in metal, for example aluminum or plastic. The connecting channels between the flange surfaces of the connecting elements are made much simpler. These elements can therefore be easily cast. The assembly effort is less than with the known distributor block and the flow resistance for gas or liquid is smaller thanks to the separation of the flange surfaces. With a correspondingly symmetrical design, the connecting elements can also be arranged rotated by 180 ° relative to one another on the carrier, which results in further connection options.
Die Anschlüsse können wahlweise seitliche oder unten angebracht werden. Der Abstand zwischen den flanschflächen der Verbindungselemente ist kleiner als bei einer vergleichbaren Ausführung nach dem Stand der Technik. Mit entsprechend kleinerem Volumen wird damit ein grösserer Druchfluss erreicht. Entsprechend geringer sind auch der Materialverbrauch und die Herstellungskosten.The connections can be made either on the side or at the bottom. The distance between the flange surfaces of the connecting elements is smaller than in a comparable embodiment according to the prior art. With a correspondingly smaller volume, a larger flow is achieved. The material consumption and the manufacturing costs are correspondingly lower.
Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Zeichnung näher erläutert.Exemplary embodiments of the invention are explained in more detail below with reference to the drawing.
Es zeigen:
- Fig. 1 in perspektivischer schematischer Darstellung einen Verteilerblock für vier Ventile,
- Fig. 2 eine Draufsicht auf den Verteilerblock nach Fig. 1, wobei ein Verbindungselemente teilweise geschnitten ist,
- Fig. 3 eine Draufsicht auf ein einzelnes Verbindungselement,
- Fig. 4 einen Schnitt durch ein Verbindungselement entlang der Linie IV-IV in Fig. 5,
- Fig. 5 eine Draufsicht auf die Unterseite eines Verbindungselements,
- Fig. 6 in schematischer Darstellung einen teilweisen Querschnitt durch einen weiteren Verteilerblock, und
- Fig. 7 in schematischer Darstellung einen teilweisen Querschnitt durch einen Verteilerblock nach einer dritten Ausführung.
- 1 is a perspective schematic representation of a manifold block for four valves,
- FIG. 2 shows a top view of the distributor block according to FIG. 1, with a connecting element being partially cut, FIG.
- 3 is a plan view of a single connecting element,
- 4 shows a section through a connecting element along the line IV-IV in FIG. 5,
- 5 is a plan view of the underside of a connecting element,
- 6 shows a schematic illustration of a partial cross section through a further distributor block, and
- Fig. 7 is a schematic representation of a partial cross section through a distributor block according to a third embodiment.
Wie die Fig. 1 und 2 zeigen, ist ein Träger 1 quaderförmig ausgebildet und weist parallele Durchgangsbohrungen 3 auf, die mit hier nicht dargestellten Druck-, Arbeits-, Entlüftungs- und Steuerleitungen verbunden sind. Jede Durchgangsbohrung 3 ist über je zwei Bohrungen 19 mit einer ebenen Flanschfläche C des Trägers 1 verbunden.1 and 2 show, a
Auf der Fläche C des Trägers 1 sind vier in einer Reihe angeordnete Verbindungselemente 2 einzeln aufgeflanscht und mit Schrauben 21 befestigt. Nach den Fig. 4 und 5 ist in die Flanschfläche B eines jeden Verbindungselements 2 eine Dichtungsnut 11 eingearbeitet, in welche eine entsprechende, hier nicht dargestellte Formdichtung gelegt ist.On the surface C of the
An jedem Verbindungselemente 2 ist gegenüber und parallel zur Flanschfläche B eine weitere Flanschfläche A angeordnet. Die Verbindungselemente 2 sind mit vergleichsweise einfachen Verbinungskanälen 10, beispielsweise in Uebereinstimmung mit der ISO-Norm 5599/1, versehen. Die zu beiden Flanschflächen A und B hin offenen Kanäle 10 sind einerseits mit den Bohrungen 19 und anderseits mit hier nicht dargestellten entsprechenden Bohrungen eines auf die Fläche A aufgeflanschten Ventils 17 verbunden. Die Ventile 17 sind beispielsweise bekannte elektrisch betätigte 5/2-Wegeventile oder pneumatisch betätigte Wegeventile. Diese sind mittels in Gewindebohrungen 14 eingeschraubte Schrauben 14 befestigt und sind auf den Anlageflächen ebenfalls mit einer hier nicht dargestellten Formdichtung ausgerüstet.A further flange surface A is arranged on each connecting
In Fig. 1 ist der günstigeren Darstellung wegen lediglich ein Ventil 17 dargestellt und sind auch die Bohrungen 10, 14 und 19 nicht eingezeichnet. In der Regel sind alle Verbindungselemente 2 gleich ausgebildet und an jedes ein Ventil 17 angeschlossen. Die Verbindungselemente 2 bestehen vorzugsweise aus Aluminium-Druckguss.In Fig. 1, for the more favorable illustration, only one
Die Ventile 17 können auch nach Fig. 6 an gegenüberliegenden Flanschflächen C und C' eines Trägers 28 angebracht werden, der entsprechend zusätzliche Bohrung 19' aufweist. An den Träger 28 können doppelt soviele Ventile 17 angeschlossen werden wie am Träger 1 oder es ergibt sich bei gleicher Anzahl Ventile 17 ein kürzerer Träger.The
Nach Fig. 7 kann der Träger 1 eine Zwischenplatte 25 aufweisen, die mit einer Regulierschraube 24 und Kanälen 26 und 27 zur Regulierung der Abluft versehen ist. Die Zwischenplatte 25 weist hier nicht gezeigte Bohrungen auf, welche die Bohrungen 3 mit den Verbindungselementen 2 verbinden.According to FIG. 7, the
Es sind ebenfalls Zwischenplatten mit einer Druckanzeige oder mit individueller Einspeisung der Lüftung versehen.Intermediate plates are also provided with a pressure indicator or with individual ventilation feed.
Die Verbindungselemente 2 sind abgewinkelt und weisen einen vergleichsweise kurzen abgewinkelten Teil 23 auf, der mit seitlichen Bohrungen 9 und/oder Bohrungen 20 auf seiner Unterseite versehen ist. In die Bohrungen 9 und 20 können direkt Einschraub- oder Steckanschlusselemente eingesetzt sein. Vorzugsweise ist aber auf das abgewinkelte Teil 23 eine mit einem Dichtungsring 15 versehene Anschlussplatte 4 mittels eines Federclip 7, der in entsprechende Rillen 8 (Fig. 2) im Verbindungselement 2 eingreift, abnehmbar aufgesetzt. Die Anschlussplatte 4 kann auch mit einem anderen geeigneten Verschluss am Verbindunselement 2 befestigt oder auch angeschraubt sein. In Fig. 5 ist auch eine Anschlussplatte 5 mit einem um 60° abgewinkelten Abgang gezeigt. Die Platten 5 und 6 sind drehbar, so dass beispielsweise die Anschlusselemente 6 wie in Fig. 1 gezeigt, nebeneinander oder aber übereinander angeordnet sind. An einem Verteilblock können je nach Verwendung unterschiedliche Anschlussplatten 4, 5 angebracht werden und auch ist gleichzeitig ein direkter Anschluss an eine unterseitig angebrachte Bohrung 20 möglich.The connecting
Wie die Fig. 4 zeigt, ist das Anschlusselement 6 teilweise oder auch ganz unterhalb der Flanschfläche B an der Anschlussplatte 4 angebracht. Dies hat den wesentlichen Vorteil, dass der Abstand zwischen den Flächen A und B kleiner als sonst üblich sein kann. Im Hinblick auf den Strömungswiderstand im Verteilerblock und die Herstellungskosten ist es vorteilhaft, wenn der Abstand zwischen den genannten Flächen möglichst klein gehalten wird.As shown in FIG. 4, the
Aus den oben erwähnten Angaben ergibt sich ein Verteilerblock, der aus vergleichsweise wenigen und kostengünstig in Metall oder einem geeigneten Kunststoff giessbaren Einzelteilen besteht und der bei einfacher Montage viele unterschiedliche Anschlussmöglichkeiten bietet und bei Bedarf auch in einfacher Weise umgerüstet werden kann.The above-mentioned information results in a distributor block which consists of comparatively few and inexpensively castable parts in metal or a suitable plastic and which offers many different connection options with simple assembly and can also be converted in a simple manner if required.
Die Verbindungselemente 2 können auch um 180° gedreht und auch wechselweise angeordnet werden, so dass die einen Arbeitsanschlüsse 6 auf der einen und die anderen auf der gegenüberliegenden Längsseite des Trägers 1 angeordnet sind. Bei der Ausführung nach Fig. 4 müssen dazu lediglich die Kanäle 10 nach links versetzt werden, wobei der Verteilerblock allerdings etwas breiter wird.The connecting
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88810032T ATE55453T1 (en) | 1987-02-05 | 1988-01-22 | DISTRIBUTION BLOCK FOR MULTIPORT VALVES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH424/87A CH672944A5 (en) | 1987-02-05 | 1987-02-05 | |
CH424/87 | 1987-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0281510A1 EP0281510A1 (en) | 1988-09-07 |
EP0281510B1 true EP0281510B1 (en) | 1990-08-08 |
Family
ID=4186711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88810032A Expired - Lifetime EP0281510B1 (en) | 1987-02-05 | 1988-01-22 | Module for a multiple-way valve |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0281510B1 (en) |
AT (1) | ATE55453T1 (en) |
CH (1) | CH672944A5 (en) |
DE (1) | DE3860400D1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3729216A1 (en) * | 1987-09-02 | 1989-03-16 | Teves Gmbh Alfred | HYDRAULIC UNIT |
US5320497A (en) * | 1991-06-26 | 1994-06-14 | Smc Kabushiki Kaisha | Vacuum feeding apparatus |
US5172713A (en) * | 1992-04-06 | 1992-12-22 | Eaton Corporation | Modular mixing valve |
DE9406393U1 (en) * | 1994-04-20 | 1994-07-07 | Kuhnke GmbH, 23714 Malente | Modular carrier block for electromagnetic directional valves |
ATE371115T1 (en) * | 2002-08-13 | 2007-09-15 | Bosch Rexroth Ag | CONTROL BLOCK WITH LOGIC VALVES |
US7695259B2 (en) * | 2006-09-21 | 2010-04-13 | Eaton Corporation | Rotary fluid pressure device with modular multi-speed control mechanism |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH415206A (en) * | 1961-10-23 | 1966-06-15 | Festo Maschf Stoll G | Valve battery for pneumatic and hydraulic pressure media |
GB1187670A (en) * | 1967-12-20 | 1970-04-15 | U S M C Internat Ltd Formerly | Improvements in Hydraulic Systems for Machines |
GB1364749A (en) * | 1971-07-29 | 1974-08-29 | Kayaba Industry Co Ltd | Integrated multiple valve unit |
DE2812927A1 (en) * | 1978-03-23 | 1979-10-04 | Roetelmann & Co | INTERMEDIATE PLATE FOR A HYDRAULIC LINKAGE SYSTEM |
DE3224937C2 (en) * | 1982-07-03 | 1985-05-02 | Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen | Valve device |
FR2531151B1 (en) * | 1982-07-28 | 1986-10-03 | Bennes Marrel | HYDRAULIC CONTROL DISTRIBUTOR, ESPECIALLY FOR PUBLIC WORKS MACHINERY |
DE8224663U1 (en) * | 1982-09-01 | 1982-11-25 | Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen | BASE PLATE FOR PNEUMATIC OR HYDRAULIC MULTI-WAY VALVES |
-
1987
- 1987-02-05 CH CH424/87A patent/CH672944A5/de unknown
-
1988
- 1988-01-22 DE DE8888810032T patent/DE3860400D1/en not_active Expired - Lifetime
- 1988-01-22 EP EP88810032A patent/EP0281510B1/en not_active Expired - Lifetime
- 1988-01-22 AT AT88810032T patent/ATE55453T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3860400D1 (en) | 1990-09-13 |
ATE55453T1 (en) | 1990-08-15 |
EP0281510A1 (en) | 1988-09-07 |
CH672944A5 (en) | 1990-01-15 |
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