Title:
IGNITION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/044689
Kind Code:
A1
Abstract:
An ignition system (10) comprises a primary coil (11) having a first winding (11a) and a second winding (11b) connected in series with the first winding, a secondary coil (21) connected to a spark plug (80) and magnetically coupled with the primary coil, a first switch (31) that interrupts an electrical pathway between a first terminal (12) and the ground, a second switch (32) that interrupts an electrical pathway between a power source (90) and a second terminal (13), a third switch (33) that interrupts an electrical pathway between the power source and the first terminal, a fourth switch (34) that interrupts an electrical pathway between a connection point and the ground, and a switch control unit (60) that performs opening/closing control for the switches and causes the electrical pathways to be interrupted.
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Inventors:
TERADA KANECHIYO (JP)
OHNO TAKASHI (JP)
MIYAKE KEIKO (JP)
OHNO TAKASHI (JP)
MIYAKE KEIKO (JP)
Application Number:
PCT/JP2018/031325
Publication Date:
March 07, 2019
Filing Date:
August 24, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02P3/00; F02P3/05; F02P15/10
Domestic Patent References:
| WO2016157541A1 | 2016-10-06 |
Foreign References:
| JP2015200284A | 2015-11-12 | |||
| JP2017133459A | 2017-08-03 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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