A gaseous fuel mixer for an internal combustion engine includes a check valve. The check valve includes a check valve member that induces mixing of a gaseous fuel flow and an intake air flow as the gaseous fuel flow and intake air flow move or pass from an...

The intake system (1) has several cylinders. The suction line (4) is arranged between machine-side suction manifold and gas mixer. The suction line is provided with curved portions (4b-4d). The curved portion (4d) is inclined at an angle of 270 degrees. Th...