| 摘要 |
<P>PROBLEM TO BE SOLVED: To ensure a sufficient installation space of a load and to operate a DC motor quickly and surely in emergency. <P>SOLUTION: The emergency motor system comprises: a DC motor 15 being driven in emergency; an AC-DC converter 11 for converting AC power into DC power; an storage element 12 having fast charge/discharge characteristics and storing DC power outputted from the AC-DC converter 11; and a DC-DC converter 13 operating with an actuation signal inputted in emergency to boost the DC voltage stored in the storage element 12 up to the drive voltage of the DC motor and to apply the boosted voltage to the DC motor 15, the AC-DC converter 11, the storage element 12, and the DC-DC converter 13 are arranged in a case 1a as the power supply of the DC motor 15, and the case 1a is provided integrally with the DC motor 15. <P>COPYRIGHT: (C)2009,JPO&INPIT |
