Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit

A technology of electromagnetic device and shell, applied in the field of manufacturing such an electromagnetic device, and manufacturing a magnetic shell for such an electromagnetic device

Active Publication Date: 2008-05-28
BURKERT WERKE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this solenoid valve is suitable for operation with DC voltage, for cost reasons two valve structures are manufactured

Method used

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  • Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit
  • Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit
  • Solenoid unit and method for producing said solenoid unit and a magnet housing for such a solenoid unit

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Embodiment Construction

[0038] FIG. 1 shows a solenoid device for operating a solenoid valve, comprising a solenoid coil 10 , which defines a coil axis A and whose winding is accommodated by a coil former 12 . Furthermore, a ferromagnetic circuit is shown, which in FIG. 1 comprises a fixed magnet housing, a movable armature 14 and a fixed armature counterpole 16 . The magnet housing in this case has a top cover 18 , a bottom 20 and a housing 22 . Furthermore, a non-magnetic core guide 24 is provided, which extends within the magnetic coil 10 between the coil former 12 and the armature 14 or the armature counter-pole 16 . The power supply to the solenoid coil 10 takes place via the likewise schematically shown terminal 26 , which is led out axially.

[0039] On the solenoid coil 10 of the currentless switch, the armature 14 is usually loaded by a spring (not shown) in such a way that the solenoid valve is in a desired position (open or closed). When the solenoid coil 10 is powered, an axially adjust...

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Abstract

An electromagnetic unit for a solenoid valve, has a magnetic coil and a ferromagnetic circuit surrounding the magnetic coil (10), which has a fixed magnet housing and a movable magnetic armature (14). The magnet housing is comprised of a cover (18), a wall (22) and a floor (20) in the form of multilayered transformer laminations. -

Description

technical field [0001] The invention relates to an electromagnetic device for an electromagnetic valve, comprising an electromagnetic coil and a ferromagnetic circuit surrounding the electromagnetic coil, which includes a fixed magnetic housing and a movable armature. Furthermore, the invention relates to a method for producing such an electromagnetic device and a method for producing a magnetic housing for such an electromagnetic device. Background technique [0002] Solenoid-actuated valves have a solenoid, an armature for opening and closing the valve, and a magnetic housing. In a simple design, the magnet housing is formed from a U-shaped bent solid plate. This design is preferably suitable for DC control. In alternating current control, this structural form produces a large number of eddy current losses. As a result, less effective power and magnetic force is available, taking into account the permissible heating. Furthermore, it is known, for example, from DE 19860...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F7/08H01F7/16H01F3/02
CPCH01F7/081H01F7/1607H01F2007/083
Inventor C·埃尔魏因
Owner BURKERT WERKE
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