| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a speed controller for the fan motor of an air conditioner in which the speed control range of the fan motor can be extended by controlling the revolution per minute (RPM) of the fan motor of the air conditioner. <P>SOLUTION: The speed controller for the fan motor 204 of an air conditioner controls the revolution per minute (RPM) of the fan motor 204 of the air conditioner based on a preset duty ratio of a switching element connected electrically with the fan motor 204 in order to extend the speed control range of the fan motor. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
