Determination of a high pressure exhaust spring in a cylinder of an internal combustion engine
US9581097B2 · kind B2 · utility
21Cited by
31References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Oct 13, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P2017/123
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A variety of methods and arrangements for determining whether a high pressure exhaust spring is present in a cylinder of an internal combustion engine are described. For spark ignition engines, the electrical properties of the spark plug spark gap may be used to determine whether a high pressure exhaust spring is present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.