Adjusting valve lash for an engine with electrically actuated valves
US7165518B2 · kind B2 · utility
6Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2005 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Feb 1, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L2820/01
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, armature levitation position may be changed to accommodate varying rates of valve stem growth. The method may reduce valve noise during a wide range of engine operating conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.