| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a starter for an auxiliary power unit that alleviates the torque shock and reduces damage and breakage of a starter shaft when a clutch is engaged. <P>SOLUTION: The starter for the auxiliary power unit includes a direct current motor operably connectable to an auxiliary power unit. The clutch is arranged in an electrically parallel relationship with the direct current motor and configured to operably connect the motor to the auxiliary power unit when engaged, the motor and the clutch powered by a common input line. A time delay switching element is located and configured to delay power delivery to the direct current motor thus providing for full engagement of the clutch prior to initiation of rotation of the motor. <P>COPYRIGHT: (C)2012,JPO&INPIT |
