The invention relates to a magnet assembly for a solenoid valve, comprising a magnetic core (3), composed of at least two core elements (1, 2), and a magnetic coil (4), said magnetic core being connected in an annular recess (5) of a core element (1). According to the invention, the recess (5) on th
The invention relates to a magnet assembly for a solenoid valve, comprising a magnetic core (3), composed of at least two core elements (1, 2), and a magnetic coil (4), said magnetic core being connected in an annular recess (5) of a core element (1). According to the invention, the recess (5) on the side of a terminal surface (6) which forms the core element (1), is closed in a media-tight manner via a web portion (7). The invention further relates to a solenoid valve comprising such a magnet assembly.
대표청구항▼
1. A magnet assembly for a solenoid valve, the magnet assembly comprising: a magnet core (3) including a first core element (1) and a second core element (2), the first core element having an internal pole section, an external pole section, and a web section (7) that is continuously formed with and
1. A magnet assembly for a solenoid valve, the magnet assembly comprising: a magnet core (3) including a first core element (1) and a second core element (2), the first core element having an internal pole section, an external pole section, and a web section (7) that is continuously formed with and extends between the internal pole section and the external pole section such that the first core element (1) defines an annular recess (5) between the internal pole section and the external pole section, the annular recess being open at a first axial side of the first core element (1) and being closed in a media-tight manner by the web section (7) on a second axial side of the first core element (1), wherein the web section (7) defines at least part of a pole face (6) of the first core element at the second axial side of the first core element, wherein the web section (7) is thin relative to the internal pole section and the external pole section such that an axial dimension of the web section is substantially less than both an axial dimension of the internal pole section and an axial dimension of the external pole section, and wherein the second core element (2) is positioned at the first axial end of the first core element (1), anda magnet coil (4) in the annular recess (5),wherein both the web section (7) and the pole face (6) form a stroke stop for an armature (8) which interacts with the magnet coil (4). 2. The magnet assembly as claimed in claim 1, wherein an annular sealing element (10) is arranged between the first and second core elements (1, 2). 3. The magnet assembly as claimed in claim 1, characterized in that the recess (5) is entirely or partially covered by the second core element (2) on the first axial side of the first core element (1) which is averted from the pole face (6). 4. The magnet assembly as claimed in claim 1, characterized in that the second core element (2) is at least partially inserted into the first core element (1) which forms the pole face (6). 5. The magnet assembly as claimed in claim 1, characterized in that the first core element (1) which forms the pole face (6) has an annular collar section (9) which extends from the second axial side of the first core element (1) and surrounds the second core element (2) at least in sections. 6. The magnet assembly as claimed in claim 5, characterized in that at least one annular sealing element (10, 11) is arranged in a region of the collar section (9). 7. The magnet assembly as claimed in claim 6, wherein an annular sealing element (10) is arranged between the first and second core elements (1, 2). 8. The magnet assembly as claimed in claim 6, wherein an annular sealing element (11) is arranged between the first core element (1) and a housing part (12). 9. The magnet assembly as claimed in claim 5, characterized in that the annular collar section (9) is arranged so as to be situated radially on an outside of the first core element (1). 10. The magnet assembly as claimed in claim 5, characterized in that the first core element (1) has a maximum outside diameter in a region of the annular collar section (9). 11. The magnet assembly as claimed in claim 1, characterized in that the second core element (2) has a collar section (13) for receiving at least one annular sealing element (14). 12. The magnet assembly as claimed in claim 1, characterized in that the second core element (2) has a recess (15) for receiving electrical connection lines (16). 13. A solenoid valve comprising a magnet assembly as claimed in claim 1, wherein the solenoid valve has an armature (8) which is in the form of a flat armature and interacts with the magnet coil (4). 14. The magnet assembly as claimed in claim 1, characterized in that the second core element (2) has a collar section (13) for receiving at least one annular sealing element (14) which is situated radially on an outside of the second core element (2).
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이 특허에 인용된 특허 (14)
Shafer, Scott F.; Claus, Jeremy T.; Ibrahim, Daniel R., Avoidance of spark damage on valve members.
Shurman Rodney M. (Columbus IN) Wilson Harry L. (Columbus IN) Rix David M. (Columbus IN) Crofts John D. (Edinburgh IN) Barnhart Brett I. (Franklin IN) Slachter Alan B. (Columbus IN), Captured ring and threaded armature solenoid valve.
Maier Stefan,DEX ; Stilling Joachim,DEX ; Schindler Frank,DEX, Method for measuring the lift of a valve needle of a valve and for adjusting the volume of media flow of the valve.
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