| 摘要 |
An internal combustion engine system 100 has a lubricant cooler 615 and an exhaust gas (EGR) cooler 310 used as heat sources in an additional circuit 700. Other heat sources can be an exhaust manifold 225 and a turbocharger 230, and each heat source can be controlled with a bypass 720 and a valve 725. The additional circuit can warm the engine during cold starting, and then open a bypass valve 735 once the engine temperature exceeds a threshold. A radiator (740, fig 4); or turbine 745, electrical power generator 755 and condenser 750 cools fluid in the circuit. The additional circuit 700 may contain water and antifreeze. |
