Helically-shaped intake port of an internal combustion engine
US4312309A · kind A · utility
27Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1979 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | May 17, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Helically-shaped intake port comprising a helical portion and an inlet passage portion which is tangentially connected to the helical portion and is slightly curved. The intake valve is arranged at the open outlet end of the helical portion. The upper wall of the helical portion extends to a helix terminating portion from the connecting position, and the inlet passage portion is connected to the helical portion. The height between the outlet open end and the upper wall of the helical portion, which is located at the helix terminating portion, is equal to or larger than the diameter of the outlet open end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.