| 摘要 |
The gas exchange valve arrangement for an internal combustion engine comprises a gas exchange valve (1, 1'), a pressurizing chamber (9), a reciprocating piston (7) that protrudes into the pressurizing chamber (9), a receiving chamber (5, 5') that is arranged around the valve stem (1b, 1b') of the gas exchange valve (1, 1'), and a hydraulic fluid duct (6, 6') for connecting the pressurizing chamber (9) to the receiving chamber (5, 5'). A piston surface (1d, 1d') is arranged in the receiving chamber (5, 5') in connection with the valve stem (1b, 1b'), and a second piston surface (1e, 1e') is arranged in connection with the valve stem (1b, 1b') and exposed to the pressure in the gas exchange duct (2) for facilitating closing of the gas exchange valve (1, 1'). The invention also concerns a gas exchange valve (1, 1'). |
