Ignition apparatus having circuit to continue spark discharge in an internal combustion engine
US10415533B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 12, 2016 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | May 12, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P2017/121
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An ignition apparatus for internal combustion engines is provided. The ignition apparatus is equipped with an ECU. The ECU monitors a path length of a discharge of a spark for a period of time in which a second circuit delivers or inputs energy in the form of a threshold value determination. When the path length has become too short, the ECU determines that ignition is expected to be delayed and then selects a special mode to control the delay of the ignition. The ECU increase a target value of an energy input amount. This enables the delay of ignition resulting from a short extension of the path length to be minimized. The ignition apparatus equipped with the second circuit to continue the discharge of sparks is, thus, capable of reducing a variation in ignition without the need for uniformly increasing the energy input amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.