Multipoint spark plug and multipoint ignition engine
US10054100B2 · kind B2 · utility
0Cited by
14References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2017 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Jan 25, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P3/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A multipoint spark plug for igniting an air-fuel mixture in a combustion chamber of an engine includes a main body portion that is formed in a flattened shape and inserted into an insertion hole of the engine such that a tip end portion thereof opposes the combustion chamber, a pair of side electrodes provided via a gap in a lengthwise direction of the tip end portion, and at least one intermediate electrode provided in the gap between the pair of side electrodes such that a plurality of ignition gaps are formed in the lengthwise direction of the tip end portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.