| 摘要 |
The invention relates to an internal combustion engine cooling circuit for a motor vehicle comprising an internal combustion engine (10), a pumping device (12) arranged upstream thereof for pumping a coolant in said internal combustion engine, a radiator (14) whose input side is connected to the output side of the internal combustion engine via a first coolant line (18) and whose output side is connected to the input side of the pumping device (12) via a second coolant line (20) for refrigerating the coolant, the radiator bypass line (22) which directly connects the output side of the internal combustion engine (10) to the input side of the pumping device (12) bypassing the radiator (14) and a control valve (24) placed in the second coolant line (20) between the radiator (14) and the pumping device (12) for selectively opening and closing the second coolant line (20) and the radiator bypass line (22). In addition, in order to reliably bleed the second coolant line (20) during filling, said circuit is provided with the control valve bypass channel (44) which directly connects the second coolant line (20) to the input side of the pumping device (12) bypassing said control valve (24). |
