Title:
IGNITION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/115899
Kind Code:
A1
Abstract:
This ignition system is provided with: a main primary coil; a sub primary coil; a secondary coil; a control unit that switches a main primary coil mode from cutoff mode to electrification mode by driving a main IC, switches the main primary coil mode from electrification mode to cutoff mode by ceasing to drive the main IC, switches a sub primary coil mode from cutoff mode to electrification mode by driving a sub IC, and switches the sub primary coil mode from electrification mode to cutoff mode by ceasing to drive the sub IC; and a detection circuit that detects the state of the secondary coil, the ignition system being configured such that when the state of the secondary coil detected by the detection circuit is a non-electrification state, the driving of the sub IC ceases.
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Inventors:
KATAOKA NAOKI (JP)
MURAMOTO YUICHI (JP)
MURAMOTO YUICHI (JP)
Application Number:
PCT/JP2018/045105
Publication Date:
June 11, 2020
Filing Date:
December 07, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F02P3/00; F02P3/05
Domestic Patent References:
| WO2017006487A1 | 2017-01-12 | |||
| WO2017010310A1 | 2017-01-19 |
Foreign References:
| JP2015200250A | 2015-11-12 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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