发明申请
US20100148748A1 MOTOR CURRENT BASED AIR CIRCUIT OBSTRUCTION DETECTION 有权
基于电机电流的空气电路检测

MOTOR CURRENT BASED AIR CIRCUIT OBSTRUCTION DETECTION
摘要:
A method for determining an obstruction in an air circuit, the air circuit having a fan and a motor that drives the fan, includes the steps of obtaining a load current of a motor coupled to the air circuit, comparing the load current to a predetermined value, and determining the obstruction using the load current and the predetermined value.
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