| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a controller of an electromagnetic clutch for mounting and dismounting an external driving source and a compressor for a vehicle air conditioner provided with a switching element for connecting and shutting off an electromagnetic coil and power supply and a driving control means for driving the switching element at a predetermined duty ratio and capable of corresponding to required transmission torque changing in various manners in accordance with cooling load of a vehicle and obtaining sufficient electricity saving effect. <P>SOLUTION: This controller of the electromagnetic clutch for mounting and dismounting the external driving source and the compressor for the vehicle air conditioner is provided with the switching element for connecting and shutting off the electromagnetic coil and power supply and the driving control means for driving the switching element at an arbitrary duty ratio in a predetermined scope. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
