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EP0708458A1 - Switching device with contact - Google Patents

Switching device with contact Download PDF

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Publication number
EP0708458A1
EP0708458A1 EP95111951A EP95111951A EP0708458A1 EP 0708458 A1 EP0708458 A1 EP 0708458A1 EP 95111951 A EP95111951 A EP 95111951A EP 95111951 A EP95111951 A EP 95111951A EP 0708458 A1 EP0708458 A1 EP 0708458A1
Authority
EP
European Patent Office
Prior art keywords
switching device
housing
pole tube
switching
contact
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.)
Granted
Application number
EP95111951A
Other languages
German (de)
French (fr)
Other versions
EP0708458B1 (en
Inventor
Heinz Jacobus
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.)
BSO Steuerungstechnik GmbH
Original Assignee
BSO Steuerungstechnik 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 BSO Steuerungstechnik GmbH filed Critical BSO Steuerungstechnik GmbH
Publication of EP0708458A1 publication Critical patent/EP0708458A1/en
Application granted granted Critical
Publication of EP0708458B1 publication Critical patent/EP0708458B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures

Definitions

  • the invention relates to a switching device, in particular for actuating valves, with electrically mass-conducting parts, such as a housing and a coil former arranged therein, in which a pole tube with a switching part is guided and which is provided with a winding of a conductor which is connected to a power source by means of a connecting device can be connected.
  • Such switching devices are known and freely available on the market. If the conductor winding of the switching device is connected to a current or voltage source, with the excitation of the coil, the switching part, which is also referred to as a magnet armature and is arranged to be longitudinally displaceable in the pole tube, is actuated and, in this way, counter to the force of a spring accumulator or the like. a valve is opened, the switching part moving back into its unactuated rest position when the power supply is switched off, usually under the influence of this energy store.
  • the connection device has in the known Switching devices on two connecting pins which can be plugged into a power supply system in a manner comparable to the function of a plug for establishing the power connection.
  • the object of the invention is to improve this known switching device in such a way that any danger due to an electric shock is excluded for an operator when handling the switching device.
  • a relevant object is achieved by a switching device having the features of claim 1.
  • the pole tube is conductively connected via contacting with the mass-carrying parts of the device at least until the connection device is separated from the power source is one secure earth connection from the housing to the pole tube is reached, so that the danger for the operator of receiving an electric shock is reliably avoided even in the event of malfunctions or a failure of the switching device.
  • This security also includes a possible replacement process in which the pole tube with the switching part remains with the valve device and the housing is manually removed from the pole tube with the bobbin and the connecting device.
  • the contacting is arranged at the end of the device opposite the connecting device and the ground connection exists between the pole tube and the housing as a ground-carrying part.
  • the pole tube remains connected to the housing in a ground-leading manner via the contacting until the connection device has been reliably disconnected from the power source.
  • the contact has a dowel pin which can be inserted into a bore in the rear wall of the housing and which projects with a projection into the receiving space provided for guiding the pole tube within the device. Due to the inherent tension of the dowel pin, this ensures secure contacting, which is also inexpensive to manufacture.
  • the switching device is explained in more detail below with reference to the drawing.
  • the switching device has a housing 10 made of a metallic, electrically conductive material.
  • a coil body 12 is arranged in the housing 10, in which a pole tube with a switching part is guided in the usual and therefore not shown and described manner.
  • the coil former 12 is provided with a conductor winding 14, the conductor of the winding being connectable to a current source (not shown) by means of a connecting device 16.
  • the connection device has two contacts in the form of connecting pins 18 for the connection to a power source.
  • the switching device can have sealing means, for example in the form of an O-ring 22, at the ends and facing the receiving space 20 for the pole tube.
  • at least the conductor winding 14 can be cast or extrusion-coated with a plastic compound 24.
  • the structure of a switching device described in this regard is known and is therefore no longer explained in more detail here.
  • the contact shows one 5 and 6, which is designed in the manner of a clamping sleeve.
  • the metal dowel pin 28, which is made of spring steel, for example, can be a standard part, according to the DIN standard 7346, and have ends 30 chamfered by an angle of 30 °.
  • the roll pin 28 is of hollow cylindrical design and is provided with a longitudinal slot 32. The dowel pin 28 can be compressed using suitable and known handling tools along its adjacent edges delimiting the longitudinal slot 32 and inserted into a longitudinal bore 34 provided for this purpose in the rear wall 36 of the housing.
  • the dowel pin 28 Under the internal tension of the spring steel, the dowel pin 28 then lies firmly against the bore wall and protrudes with a certain projection into the receiving space 20 provided for the pole tube. This supernatant can best be seen in Fig. 5.
  • the longitudinal slot 32 is arranged in the inserted state of the dowel pin 28 pointing downward and the angle shown in FIG. 5 with a double arrow between the longitudinal axis of the longitudinal slot 32 and the vertical through the center of the dowel pin 28 is approximately 45 °.
  • the protrusion is preferably selected on the one hand such that a reliable contact is always made between the housing 10 and the pole tube (not shown); on the other hand, the insertion of the pole tube into the receiving space 20 is not difficult.
  • the addressed longitudinal bore 34 is thus arranged in the rear wall 36 in such a way that an opening remains towards the receiving space 20, which opening can be closed on the circumferential side by the roll pin 28 with its projection. If the longitudinal slot 32 points with the mentioned angle in the direction of the receiving space 20, the two free ends of the dowel pin 28, which delimit the longitudinal slot 32, can be moved relatively easily against one another under the influence of the pole tube to be inserted, but nevertheless reliable contacting at all times is reached with the pole tube.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Push-Button Switches (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The switching device has a housing (10) enclosing a coil carrier (12) in which a pole sleeve with an attached switch element is received. The pole sleeve is coupled via a contact device to the earthed parts of the switching device, e.g. the housing and the coil carrier, until the terminal (16) for the coil winding conductor is separated from a current source. Pref. the contact device is provided at the opposite end (26) of the switching device to the terminal and uses a pin fitting into a respective bore in the rear wall of the housing.

Description

Die Erfindung betrifft eine Schaltvorrichtung, insbesondere zum Betätigen von Ventilen, mit elektrisch masseführenden Teilen, wie einem Gehäuse und einem darin angeordneten Spulenkörper, in dem ein Polrohr mit Schaltteil geführt und der mit einer Wicklung eines Leiters versehen ist, der mittels einer Anschlußeinrichtung an eine Stromquelle anschließbar ist.The invention relates to a switching device, in particular for actuating valves, with electrically mass-conducting parts, such as a housing and a coil former arranged therein, in which a pole tube with a switching part is guided and which is provided with a winding of a conductor which is connected to a power source by means of a connecting device can be connected.

Dahingehende Schaltvorrichtungen sind bekannt und auf dem Markt frei erhältlich. Wird die Leiterwicklung der Schaltvorrichtung mit einer Strom- oder Spannungsquelle verbunden, wird mit der Erregung der Spule das Schaltteil, das auch mit Magnetanker bezeichnet und in dem Polrohr längsverfahrbar angeordnet ist, betätigt und hierbei entgegen der Kraft eines Federspeichers od.dgl. ein Ventil geöffnet, wobei mit Abschalten der Stromzufuhr meist unter dem Einfluß dieses Kraftspeichers das Schaltteil in seine unbetätigte Ruhestellung zurückverfährt. Die Anschlußeinrichtung weist bei den bekannten Schaltvorrichtungen zwei Anschlußzapfen auf, die vergleichbar der Funktion eines Steckers zum Herstellen der Stromverbindung in ein Stromversorgungssystem einsteckbar sind. Im Rahmen von Wartungsarbeiten oder bei einem sonstigen Austausch der Schaltvorrichtung ist es möglich, daß das Polrohr mit Schaltteil bei der zu betätigenden Ventileinrichtung verbleibt und die Anschlußeinrichtung zusammen mit dem Gehäuse und dem Spulenkörper von dem Polrohr abgezogen wird, wobei es zu einer Unterbrechung der hergestellten Verbindung mit der Stromquelle kommt. Bei Schaltungsdefekten, aber auch bei Störungen oder Fehlern innerhalb der Schaltvorrichtung, kann nicht ausgeschlossen werden, daß es bei einer dahingehenden Trennung, zumindest kurzfristig, dazu kommt, daß der Bedienperson zugängliche Teile der Schaltvorrichtung, beispielsweise in Form ihres Außengehäuses, unter Strom gesetzt sind, was eine erhebliche Gefahr für die Bedienperson darstellt.Such switching devices are known and freely available on the market. If the conductor winding of the switching device is connected to a current or voltage source, with the excitation of the coil, the switching part, which is also referred to as a magnet armature and is arranged to be longitudinally displaceable in the pole tube, is actuated and, in this way, counter to the force of a spring accumulator or the like. a valve is opened, the switching part moving back into its unactuated rest position when the power supply is switched off, usually under the influence of this energy store. The connection device has in the known Switching devices on two connecting pins which can be plugged into a power supply system in a manner comparable to the function of a plug for establishing the power connection. In the course of maintenance work or in another exchange of the switching device, it is possible for the pole tube with the switching part to remain with the valve device to be actuated and for the connection device, together with the housing and the coil former, to be removed from the pole tube, causing an interruption in the connection which has been made comes with the power source. In the event of circuit defects, but also in the event of faults or errors within the switching device, it cannot be ruled out that, in the event of a separation in this way, at least for a short time, parts of the switching device accessible to the operator, for example in the form of their outer housing, are energized, which poses a significant risk to the operator.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, diese bekannte Schaltvorrichtung derart zu verbessern, daß für eine Bedienperson bei der Handhabung der Schaltvorrichtung jegliche Gefahr bedingt durch einen Stromschlag ausgeschlossen ist.Proceeding from this prior art, the object of the invention is to improve this known switching device in such a way that any danger due to an electric shock is excluded for an operator when handling the switching device.

Eine dahingehende Aufgabe löst eine Schaltvorrichtung mit den Merkmalen des Anspruches 1. Dadurch, daß gemäß dem kennzeichnenden Teil des Anspruches 1 das Polrohr über eine Kontaktierung mit den masseführenden Teilen der Vorrichtung zumindest bis zu einer Trennung der Anschlußeinrichtung von der Stromquelle leitend verbunden ist, ist eine sichere Masseverbindung von dem Gehäuse zu dem Polrohr erreicht, so daß auch bei Auftreten von Störungen oder einem Versagen der Schaltvorrichtung die Gefahr für die Bedienperson, einen elektrischen Schlag zu erhalten, mit Sicherheit vermieden ist. Diese Sicherheit schließt auch einen etwaigen Auswechselvorgang mit ein, bei dem das Polrohr mit Schaltteil bei der Ventileinrichtung verbleibt und das Gehäuse mit dem Spulenkörper und der Anschlußeinrichtung vom Polrohr von Hand entfernt wird.A relevant object is achieved by a switching device having the features of claim 1. The fact that, according to the characterizing part of claim 1, the pole tube is conductively connected via contacting with the mass-carrying parts of the device at least until the connection device is separated from the power source is one secure earth connection from the housing to the pole tube is reached, so that the danger for the operator of receiving an electric shock is reliably avoided even in the event of malfunctions or a failure of the switching device. This security also includes a possible replacement process in which the pole tube with the switching part remains with the valve device and the housing is manually removed from the pole tube with the bobbin and the connecting device.

Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Schaltvorrichtung ist die Kontaktierung an dem der Anschlußeinrichtung entgegengesetzten Ende der Vorrichtung angeordnet und die Masseverbindung besteht zwischen dem Polrohr und dem Gehäuse als masseführendem Teil. Hierdurch bleibt das Polrohr über die Kontaktierung mit Sicherheit masseführend mit dem Gehäuse verbunden, bis eine sichere Trennung der Anschlußeinrichtung von der Stromquelle erfolgt ist.In a preferred embodiment of the switching device according to the invention, the contacting is arranged at the end of the device opposite the connecting device and the ground connection exists between the pole tube and the housing as a ground-carrying part. As a result, the pole tube remains connected to the housing in a ground-leading manner via the contacting until the connection device has been reliably disconnected from the power source.

Bei einer weiteren bevorzugten Ausführungsform der erfindungsgemäßen Schaltvorrichtung weist die Kontaktierung einen Spannstift auf, der in eine Bohrung an der Rückwand des Gehäuses einsetzbar ist und der mit einem Überstand in den für die Führung des Polrohres innerhalb der Vorrichtung vorgesehenen Aufnahmeraum ragt. Aufgrund der Eigenspannung des Spannstiftes gewährleistet dieser eine sichere Kontaktierung, die darüber hinaus kostengünstig herstellbar ist.In a further preferred embodiment of the switching device according to the invention, the contact has a dowel pin which can be inserted into a bore in the rear wall of the housing and which projects with a projection into the receiving space provided for guiding the pole tube within the device. Due to the inherent tension of the dowel pin, this ensures secure contacting, which is also inexpensive to manufacture.

Im folgenden wird die Schaltvorrichtung anhand der Zeichnung näher erläutert.The switching device is explained in more detail below with reference to the drawing.

Es zeigen:

Fig.1
teilweise in Ansicht, teilweise im Längsschnitt die Schaltvorrichtung ohne Polrohr und ohne Schaltteil;
Fig.2
eine Draufsicht auf die Schaltvorrichtung nach der Fig.1;
Fig.3
im Längsschnitt das in der Schaltvorrichtung verwendete Gehäuse;
Fig.4
eine Stirnansicht auf das Gehäuse nach der Fig.3;
Fig.5
eine vergrößerte Darstellung des mit Strichen umrandeten, kreisförmigen Bildausschnittes in Fig.4;
Fig.6
eine Seitenansicht auf einen Spannstift, der Teil der Kontaktierung ist.
Show it:
Fig. 1
partly in view, partly in longitudinal section, the switching device without pole tube and without switching part;
Fig. 2
a plan view of the switching device according to Figure 1;
Fig. 3
in longitudinal section the housing used in the switching device;
Fig. 4
an end view of the housing of Figure 3;
Fig. 5
an enlarged view of the circular image section surrounded by lines in Figure 4;
Fig. 6
a side view of a roll pin, which is part of the contact.

Die Schaltvorrichtung nach der Fig.1 weist ein Gehäuse 10 aus einem metallischen, elektrisch leitenden Material auf. In dem Gehäuse 10 ist ein Spulenkörper 12 angeordnet, in dem wiederum in üblicher und daher nicht näher dargestellter sowie beschriebenen Art und Weise ein Polrohr mit Schaltteil geführt ist. Der Spulenkörper 12 ist mit einer Leiterwicklung 14 versehen, wobei der Leiter der Wicklung mittels einer Anschlußeinrichtung 16 an eine Stromquelle (nicht dargestellt) anschließbar ist. Die Anschlußeinrichtung weist für den dahingehenden Anschluß an eine Stromquelle, zwei Kontakte in Form von Anschlußzapfen 18 auf. Die Schaltvorrichtung kann endseitig und zum Aufnahmeraum 20 für das Polrohr zugewandt Dichtmittel, beispielsweise in Form eines O-Ringes 22, aufweisen. Ferner kann zumindest die Leiterwicklung 14 mit einer Kunststoffmasse 24 umgossen oder umspritzt sein. Der dahingehend beschriebene Aufbau einer Schaltvorrichtung ist bekannt und wird demgemäß an dieser Stelle nicht mehr näher erläutert.The switching device according to Figure 1 has a housing 10 made of a metallic, electrically conductive material. A coil body 12 is arranged in the housing 10, in which a pole tube with a switching part is guided in the usual and therefore not shown and described manner. The coil former 12 is provided with a conductor winding 14, the conductor of the winding being connectable to a current source (not shown) by means of a connecting device 16. The connection device has two contacts in the form of connecting pins 18 for the connection to a power source. The switching device can have sealing means, for example in the form of an O-ring 22, at the ends and facing the receiving space 20 for the pole tube. Furthermore, at least the conductor winding 14 can be cast or extrusion-coated with a plastic compound 24. The structure of a switching device described in this regard is known and is therefore no longer explained in more detail here.

Damit das Polrohr (nicht dargestellt) über eine Kontaktierung mit den masseführenden Teilen der Schaltvorrichtung zumindest bis zur Trennung der Anschlußeinrichtung 16 von der Stromquelle (nicht dargestellt) leitend verbunden ist, ist die Kontaktierung an dem der Anschlußeinrichtung 16 entgegengesetzten Ende 26 (Fig.3) der Schaltvorrichtung angeordnet. Die Kontaktierung weist einen Spannstift 28 gemäß den Darstellungen nach den Fig.5 und 6 auf, der in der Art einer Klemmhülse ausgebildet ist. Der beispielsweise aus einem Federstahl bestehende metallische Spannstift 28 kann ein Normteil sein, nach der DIN-Norm 7346 und um einen Winkel von 30° angephaste Enden 30 aufweisen. Der Spannstift 28 ist hohlzylindrisch ausgebildet und mit einem Längsschlitz 32 versehen. Der Spannstift 28 läßt sich über geeignete und bekannte Handhabungs-Werkzeuge entlang seiner benachbarten, den Längsschlitz 32 begrenzenden Ränder zusammendrücken und in eine hierfür vorgesehene Längsbohrung 34 in der Gehäuserückwand 36 einsetzen.So that the pole tube (not shown) is conductively connected via a contact to the earth-leading parts of the switching device at least until the connection device 16 is separated from the power source (not shown), the contact is made at the end 26 opposite the connection device 16 (FIG. 3). the switching device arranged. The contact shows one 5 and 6, which is designed in the manner of a clamping sleeve. The metal dowel pin 28, which is made of spring steel, for example, can be a standard part, according to the DIN standard 7346, and have ends 30 chamfered by an angle of 30 °. The roll pin 28 is of hollow cylindrical design and is provided with a longitudinal slot 32. The dowel pin 28 can be compressed using suitable and known handling tools along its adjacent edges delimiting the longitudinal slot 32 and inserted into a longitudinal bore 34 provided for this purpose in the rear wall 36 of the housing.

Unter der Eigenspannung des Federstahls legt sich dann der Spannstift 28 fest an die Bohrungswand an und steht mit einem gewissen Überstand in den für das Polrohr vorgesehenen Aufnahmeraum 20 vor. Dieser Überstand läßt sich am besten in der Fig.5 ersehen. Der Längsschlitz 32 ist im eingesetzten Zustand des Spannstiftes 28 nach unten weisend angeordnet und der in der Fig.5 mit einem Doppelpfeil dargestellte Winkel zwischen der Längsachse des Längsschlitzes 32 und der Vertikalen durch den Mittelpunkt des Spannstiftes 28 beträgt ca. 45°. Der Überstand ist vorzugsweise zum einen derart gewählt, daß immer eine sichere Kontaktierung zwischen Gehäuse 10 und Polrohr (nicht dargestellt) hergestellt ist; zum anderen jedoch das Einfahren des Polrohres in den Aufnahmeraum 20 nicht erschwert ist. Die angesprochene Längsbohrung 34 ist also derart in der Gehäuserückwand 36 angeordnet, daß zum Aufnahmeraum 20 hin eine Öffnung verbleibt, die umfangsseitig von dem Spannstift 28 mit seinem Überstand verschließbar ist. Sofern der Längsschlitz 32 mit dem angesprochenen Winkel in Richtung des Aufnahmeraumes 20 weist, lassen sich unter dem Einfluß des einzuschiebenden Polrohres die beiden freien Enden des Spannstiftes 28, die den Längsschlitz 32 begrenzen, relativ leicht gegeneinander bewegen, wobei dennoch zu jedem Zeitpunkt eine sichere Kontaktierung mit dem Polrohr erreicht ist.Under the internal tension of the spring steel, the dowel pin 28 then lies firmly against the bore wall and protrudes with a certain projection into the receiving space 20 provided for the pole tube. This supernatant can best be seen in Fig. 5. The longitudinal slot 32 is arranged in the inserted state of the dowel pin 28 pointing downward and the angle shown in FIG. 5 with a double arrow between the longitudinal axis of the longitudinal slot 32 and the vertical through the center of the dowel pin 28 is approximately 45 °. The protrusion is preferably selected on the one hand such that a reliable contact is always made between the housing 10 and the pole tube (not shown); on the other hand, the insertion of the pole tube into the receiving space 20 is not difficult. The addressed longitudinal bore 34 is thus arranged in the rear wall 36 in such a way that an opening remains towards the receiving space 20, which opening can be closed on the circumferential side by the roll pin 28 with its projection. If the longitudinal slot 32 points with the mentioned angle in the direction of the receiving space 20, the two free ends of the dowel pin 28, which delimit the longitudinal slot 32, can be moved relatively easily against one another under the influence of the pole tube to be inserted, but nevertheless reliable contacting at all times is reached with the pole tube.

Claims (3)

Schaltvorrichtung, insbesondere zum Betätigen von Ventilen, mit elektrisch masseführenden Teilen, wie einem Gehäuse (10) und einem darin angeordneten Spulenkörper (12), in dem ein Polrohr mit Schaltteil geführt und der mit einer Wicklung (14) eines Leiters versehen ist, der mittels einer Anschlußeinrichtung (16) an eine Stromquelle anschließbar ist, dadurch gekennzeichnet, daß das Polrohr über eine Kontaktierung mit den masseführenden Teilen der Vorrichtung zumindest bis zu einer Trennung der Anschlußeinrichtung (16) von der Stromquelle leitend verbunden ist.Switching device, in particular for actuating valves, with electrically mass-conducting parts, such as a housing (10) and a coil former (12) arranged therein, in which a pole tube with a switching part is guided and which is provided with a winding (14) of a conductor, which is by means of a connection device (16) can be connected to a power source, characterized in that the pole tube is conductively connected via contacting with the mass-carrying parts of the device at least until the connection device (16) is separated from the power source. Schaltvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kontaktierung an dem der Anschlußeinrichtung (16) entgegengesetzten Ende (26) der Vorrichtung angeordnet ist und daß die Masseverbindung zwischen dem Polrohr und dem Gehäuse (10) als masseführendem Teil besteht.Switching device according to Claim 1, characterized in that the contact is arranged at the end (26) of the device opposite the connecting device (16) and that the earth connection between the pole tube and the housing (10) is a mass-carrying part. Schaltvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Kontaktierung einen Spannstift (28) aufweist, der in eine Bohrung (34) an der Rückwand (36) des Gehäuses (10) einsetzbar ist und der mit einem Überstand in den für die Führung des Polrohres innerhalb der Vorrichtung vorgesehenen Aufnahmeraum (20) ragt.Switching device according to claim 2, characterized in that the contact has a clamping pin (28) which can be inserted into a bore (34) on the rear wall (36) of the housing (10) and which has an overhang in the for guiding the pole tube protrudes within the device provided receiving space (20).
EP95111951A 1994-10-19 1995-07-29 Switching device with contact Expired - Lifetime EP0708458B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9416832U DE9416832U1 (en) 1994-10-19 1994-10-19 Switching device with contact
DE9416832U 1994-10-19

Publications (2)

Publication Number Publication Date
EP0708458A1 true EP0708458A1 (en) 1996-04-24
EP0708458B1 EP0708458B1 (en) 1999-06-02

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ID=6915083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95111951A Expired - Lifetime EP0708458B1 (en) 1994-10-19 1995-07-29 Switching device with contact

Country Status (3)

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EP (1) EP0708458B1 (en)
DE (2) DE9416832U1 (en)
ES (1) ES2134381T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213696C1 (en) * 2002-03-27 2003-10-30 Pierburg Gmbh Electromagnetic actuator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3152325A1 (en) * 1981-04-09 1983-02-03 A. u. K. Müller GmbH & Co KG, 4000 Düsseldorf Solenoid valve
DE3546401A1 (en) * 1985-12-31 1987-07-02 Staiger Steuerungstech Magnetic head
EP0577956A1 (en) * 1992-07-07 1994-01-12 WABCO STANDARD GmbH Casing for solenoid
JPH06112053A (en) * 1992-09-25 1994-04-22 Toshiba Corp Resin-molded equipment and manufacture thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3309771C1 (en) * 1983-03-18 1984-07-12 Murrelektronik GmbH, 7155 Oppenweiler Housing for holding the electrical components which are required for connection of a magnetic coil of a hydraulic valve or the like

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3152325A1 (en) * 1981-04-09 1983-02-03 A. u. K. Müller GmbH & Co KG, 4000 Düsseldorf Solenoid valve
DE3546401A1 (en) * 1985-12-31 1987-07-02 Staiger Steuerungstech Magnetic head
EP0577956A1 (en) * 1992-07-07 1994-01-12 WABCO STANDARD GmbH Casing for solenoid
JPH06112053A (en) * 1992-09-25 1994-04-22 Toshiba Corp Resin-molded equipment and manufacture thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 382 (E - 1580) 19 July 1994 (1994-07-19) *

Also Published As

Publication number Publication date
EP0708458B1 (en) 1999-06-02
DE59506090D1 (en) 1999-07-08
ES2134381T3 (en) 1999-10-01
DE9416832U1 (en) 1994-12-08

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