| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent deterioration of a capacitor by avoiding situation where the capacitor in a fully charged state is left for long hours after completion of operation, and to effectively use accumulated electric energy. <P>SOLUTION: In a hybrid type working machine, when the charge voltage of a capacitor 6 is higher than a discharge set value at the completion of machine operation, the margin of electric power exceeding the discharge set value is arranged to be discharged to an auxiliary battery 8 from the capacitor 6. Furthermore, the charge quantity of the auxiliary battery 8 in operation is restricted to secure empty capacity, to positively discharge the capacitor 6 at the completion of operation. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
