| 摘要 |
A capacitive actuator element, in particular of a fuel injection valve of an internal combustion engine, is charged with different charging times. In order to shorten the charging time, the charging oscillatory circuit is switched over to a freewheeling circuit, and in order to prolong the charging time, switching back from the freewheeling circuit to the charging circuit takes place, it being possible to switch backwards and forwards repeatedly between the freewheeling circuit and charging circuit. |
