Multipoint ignition device and multipoint ignition engine
US10170894B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2018 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Feb 15, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T13/32
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A multipoint ignition device for igniting an air-fuel mixture in a combustion chamber of an engine includes: an insulating member formed in an annular shape such that an inner periphery thereof faces the combustion chamber; and a plurality of electrodes held on the insulating member so as to form a plurality of ignition gaps in a circumferential direction inside the combustion chamber, wherein the insulating member includes a plurality of divided insulating members formed in divided form, and the divided insulating member close to an intake valve of the engine has a higher thermal conductivity than the divided insulating member close to an exhaust valve of the engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.