Induction control system for multi-valve engine
US5852994A · kind A · utility
29Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1996 |
| Grant date | Dec 29, 1998 |
| Priority date | — |
| Expiry date | Feb 15, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A number of embodiments of induction systems for multiple valve internal combustion engines wherein the performance of the engine is improved throughout the engine speed and load ranges by providing variable effective areas for the induction passages. The embodiments disclosed all relate to three intake valve engines and show a number of different variations in intake passages. In all embodiments an EGR system is employed for improving exhaust emission control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.