Invention Grant
US08421563B2 Arrangement of stringed solenoid drives 有权
串联电磁铁驱动装置

Arrangement of stringed solenoid drives
Abstract:
The invention relates to an arrangement of stringed solenoid drives (1, 2, 3), particularly for solenoid valves, wherein each solenoid drive comprises a magnetic circuit with a yoke (4), moveable armature (5), and an excitation coil (6) arranged on the yoke. The magnetic circuits of neighboring solenoid drives have pre-magnetization with the same polarity and at least approximately the same strength. Due to the pre-magnetization, the magnetic potential difference between neighboring magnetic circuits is reduced. The pre-magnetization is thus carried out with the same polarity as the excitation by current flow in the excitation coil.
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