| 摘要 |
An internal combustion engine (1) having: an engine (1) provided with a crankshaft (3); a cooling system (5) provided with a circulation pump (6), which comprises an impeller (12) supported by a pump shaft (11) that is mounted so as to rotate around a rotation axis (8); an auxiliary shaft (7), which transmits the rotation movement to the pump shaft (11) of the circulation pump (6); a mechanical transmission (9), which transmits the rotational movement from the crankshaft (3) to the auxiliary shaft (7); and a coupling device (10), which is interposed between the pump shaft (11) of the circulation pump (6) and the auxiliary shaft (7) and is suited to mechanically connect/disconnect the pump shaft (11) to/from the auxiliary shaft (7.) |
