| 摘要 |
The hydraulic actuator (35) for an internal combustion engine comprises a piston (7) that is arranged in a pressurizing chamber (9) for pressurizing hydraulic fluid. The piston (7) comprises a cylindrical part (7a) that is provided with at least one opening (13b) on its outer surface, through which opening (13b) the hydraulic fluid can be introduced from the inlet port (20a) into the input portion (9a) of the pressurizing chamber (9). |
