Invention Grant
US07782590B2 Medical fluid machine having solenoid control system with reduced hold current 有权
具有减小保持电流的电磁控制系统的医用流体机械

Medical fluid machine having solenoid control system with reduced hold current
Abstract:
An electromechanical solenoid control system with reduced hold current includes an electromechanical solenoid including an armature and a coil; a voltage source; a resistor placed in an electrical line between the voltage source and the solenoid coil; a switching device configured to selectively apply power from the voltage source to the solenoid coil; and a control element connected electrically to the switching device, the control element operable to receive a signal from the electrical line and use the signal to control the switching device to selectively apply power from the voltage source to the solenoid coil.
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