Two-stroke internal combustion engine provided with a supercharging device and exhaust gas partial recycling
US6474275B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Dec 22, 2000 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Dec 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention concerns a two-stroke engine comprising a cylinder (1) wherein moves a piston (2), exhaust (6) and intake (7) devices and a blower (9) for blowing in the cylinder (1) a scavenging air stream , wherein an additional volume (10) communicates with the cylinder (1) through closing and opening means (11, 12) whereof the movements are controlled synchdnously or out shift with those of the piston (2) in the cylinder (1) such that, during the combustion/expansion phase the burnt gases compress the air located in the additional volume (10) by penetrating therein at least partially, the air/burnt gas mixture is trapped therein under pressure; then the mixture is induced into the cylinder (1) during the intake phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.