Solenoid valve, battery of solenoid valves, method of manufacturing a solenoid valve, and mold
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-031/06
H01F-007/14
F16K-027/00
F16K-027/02
H01F-007/16
F16K-031/08
F15B-013/08
출원번호
US-0242926
(2014-04-02)
등록번호
US-9631737
(2017-04-25)
우선권정보
DE-20 2013 003 049 (2013-04-03)
발명자
/ 주소
Brust, Claus
Knauβ, Simone
Künzler, Rainer
Scheibe, Ralf
출원인 / 주소
Burket Werke GmbH
대리인 / 주소
Plumsea Law Group, LLC
인용정보
피인용 횟수 :
0인용 특허 :
28
초록▼
In a solenoid valve having a magnetic drive including a housing which is at least partly formed from an injection molding compound, the magnetic drive includes a magnet coil having a winding, a magnet yoke, and a movably mounted magnet armature which is arranged outside the magnet coil. The housing
In a solenoid valve having a magnetic drive including a housing which is at least partly formed from an injection molding compound, the magnetic drive includes a magnet coil having a winding, a magnet yoke, and a movably mounted magnet armature which is arranged outside the magnet coil. The housing has a first section which encloses the magnet coil having the winding and the magnet yoke, and the housing has a second section which encloses at least most of the movably mounted magnet armature. Further proposed are a battery having a plurality of solenoid valves, a method of manufacturing a solenoid valve, and a mold.
대표청구항▼
1. A solenoid valve comprising a magnetic drive having a housing which is at least partly formed from an injection molding compound, the magnetic drive including a magnet coil having a winding, a magnet yoke such that injection molding compound covers the magnet coil and the magnet yoke all around e
1. A solenoid valve comprising a magnetic drive having a housing which is at least partly formed from an injection molding compound, the magnetic drive including a magnet coil having a winding, a magnet yoke such that injection molding compound covers the magnet coil and the magnet yoke all around except for pole faces of the yoke, and a movably mounted magnet armature which is arranged outside the magnet coil, the housing having a first section which encloses the magnet coil having the winding and the magnet yoke, and the housing having a second section which encloses at least most of the movably mounted magnet armature, wherein the second section includes a cavity for receiving the movably mounted magnet armature and the cavity has an opening on one side for inserting the magnet armature after injection molding of the housing has been completed, wherein the magnet armature includes two pole pieces and the housing includes an injection molded section in the first section, the injection molded section being bordered by the pole pieces and the winding of the magnet coil and filling the area bordered by the pole pieces and the winding,wherein a wall of the cavity has an inwardly facing raised portion extending from the injection molded section along an inner surface of the cavity, wherein the raised portion, serving as a flow aid, allows the injection molded section to be produced between the winding of the magnet coil and the pole pieces relatively centrally within the housing. 2. The solenoid valve according to claim 1, characterized in that the second section is more particularly of a cup-shaped or trough-shaped configuration. 3. The solenoid valve according to claim 1, characterized in that an end of the raised portion serving as a flow aid rests against a wall of the cavity. 4. The solenoid valve according to claim 3, characterized in that the injection molded section has the height of the housing. 5. The solenoid valve according to claim 4, characterized in that the raised portion serving as a flow aid has a cross-sectional area (flow cross-section) which is selected such that the injection molded section is fully formed during the injection molding process. 6. The solenoid valve according to claim 1, characterized in that a cover is provided for closing an opening of the cavity of the second section. 7. The solenoid valve according to claim 6, characterized in that the cover is connected with the housing, in particular adhesively bonded or ultrasonically welded. 8. The solenoid valve according to claim 1, characterized in that it further includes an actuating member having a sealing element for opening a valve seat, the magnet armature cooperating with the actuating member. 9. The solenoid valve according to claim 1, characterized in that the injection molding compound is a thermoplastic material. 10. The solenoid valve according to claim 1, characterized in that the injection molding compound is a material having a high flowability. 11. The solenoid valve according to claim 1, characterized in that the injection molding compound is a liquid crystal polymer (LCP). 12. The solenoid valve according to claim 1, characterized in that the injection molding compound partly penetrates into the winding of the magnet coil. 13. A battery comprising a plurality of solenoid valves according to claim 1. 14. A battery of solenoid valves according to claim 13, wherein an opening of a cavity of at least one solenoid valve is closed by a side wall of an adjacent solenoid valve.
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