Method of controlling a cooling system of an internal combustion engine
A cooling system 500 of an internal combustion engine 110 comprises a coolant pump 520 and a cooling jacket 530 passing through an engine body 115. The cooling jacket 530 receives a coolant from the coolant pump 520. An amount of heat energy transferred from the engine body 115 to the coolant throug...
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| creator | ALESSANDRO GALLONE SIMONE BAMBAGIONI FRANCESCO BARBA |
| description | A cooling system 500 of an internal combustion engine 110 comprises a coolant pump 520 and a cooling jacket 530 passing through an engine body 115. The cooling jacket 530 receives a coolant from the coolant pump 520. An amount of heat energy transferred from the engine body 115 to the coolant through the cooling jacket 530 is determined from engine speed and torque. A temperature increment of the coolant is calculated as a function of the determined amount of the heat energy, and a value of the coolant temperature determined from the calculated temperature increment. A value of a heat capacity of the engine body 115 may be calculated and used with a heat capacity of the coolant to calculate the temperature increment. A correction factor may be determined from the determined coolant temperature. The speed of the coolant pump 520 may be regulated based on the coolant temperature and a sensor 535 may be used to calculate the difference between measured and determined coolant temperatures to identify a malfunction of the sensor 535. |
| format | Patent |
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The cooling jacket 530 receives a coolant from the coolant pump 520. An amount of heat energy transferred from the engine body 115 to the coolant through the cooling jacket 530 is determined from engine speed and torque. A temperature increment of the coolant is calculated as a function of the determined amount of the heat energy, and a value of the coolant temperature determined from the calculated temperature increment. A value of a heat capacity of the engine body 115 may be calculated and used with a heat capacity of the coolant to calculate the temperature increment. A correction factor may be determined from the determined coolant temperature. 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| subjects | BLASTING COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | Method of controlling a cooling system of an internal combustion engine |
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