| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a washing and drying machine in which the volume of the washing and spin-drying tub is increased without changing the outer frame dimensions, wiring workability is improved, and the labor for the maintenance of the accuracy of direct current brushless motor components is saved. <P>SOLUTION: In this washing and drying machine, as an electric current sensor has replaced a magnetic pole sensor, which neither requires a position sensor for detecting the magnetic pole of a rotor any more, nor the permanent magnet section in the magnetic pole sensor of the rotor. As a result, a direct current brushless motor can be placed at a lower position. Also, since there is no magnet pole sensor, no accurate controlling is needed for the cover which is supposed to hold the magnet pole sensor, and at the same time, five weak electric wires which are supposed to be used for the magnet pole sensor are no more required. Therefore, the operability is improved, saving the labor for maintenance. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
