Internal combustion engine
US4079588A · kind A · utility
5Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1976 |
| Grant date | Mar 21, 1978 |
| Priority date | — |
| Expiry date | May 27, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2075/1816
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine is disclosed in which each pair of cylinders has a Siamese exhaust port. Each of the exhaust ports is designed so that the ratio of a surface area (F) exposed to the exhaust gas discharged from one of the cylinders to the minimum cross-sectional area (S) through which the exhaust gas flows (F/S) ranges from 3 to 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.