Adaptive manifold tuning
US5377629A · kind A · utility
33Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Oct 20, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The effective area of a Helmholtz resonator used to tune the manifold is varied in accordance with engine speed to improve the engine-torque speed curve. The organization and arrangement of air intake passage, plenum chamber, runners, and Helmholtz resonator is also advantageous.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.