发明公开
- 专利标题: Multi-charge ignition system
- 专利标题(中): 多点充电点火系统
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申请号: EP12164128.6申请日: 2012-04-13
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公开(公告)号: EP2650530A1公开(公告)日: 2013-10-16
- 发明人: Ambroise, Francine Anne , Loenarz, Marco
- 申请人: Delphi Automotive Systems Luxembourg SA
- 申请人地址: Avenue de Luxembourg 4940 Bascharage LU
- 专利权人: Delphi Automotive Systems Luxembourg SA
- 当前专利权人: Delphi Automotive Systems Luxembourg SA
- 当前专利权人地址: Avenue de Luxembourg 4940 Bascharage LU
- 代理机构: Office Freylinger
- 主分类号: F02P3/08
- IPC分类号: F02P3/08 ; F02P15/08
摘要:
An ignition system and method of multicharge ignition are presented.
The system comprisies an ignition coil (16) having primary (18) and secondary (20) windings and a control unit (30) configured to operate charging and discharging phases of the ignition coil (16) by actuation of a switching device (22) in order to create a first spark followed by a plurality of subsequent sparks at prescribed timings (t s1 ...t s4) . The control unit (30) is further configured to, during a respective spark-interval (T si ), monitor the energy level in the secondary winding (20) and stop the discharge phase and operate a charging phase, at the moment when the remaining time until the next prescribed timing (t si ) corresponds to the time required to charge the primary winding (18) to a prescribed energy level (I P _ tgt ).
The system comprisies an ignition coil (16) having primary (18) and secondary (20) windings and a control unit (30) configured to operate charging and discharging phases of the ignition coil (16) by actuation of a switching device (22) in order to create a first spark followed by a plurality of subsequent sparks at prescribed timings (t s1 ...t s4) . The control unit (30) is further configured to, during a respective spark-interval (T si ), monitor the energy level in the secondary winding (20) and stop the discharge phase and operate a charging phase, at the moment when the remaining time until the next prescribed timing (t si ) corresponds to the time required to charge the primary winding (18) to a prescribed energy level (I P _ tgt ).
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