| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubrication oil supply mechanism for a turbocharger which can prevent shortage of the supply amount of lubrication oil to a bearing part when the temperature of the lubrication oil is low.SOLUTION: A lubrication oil supply mechanism for a turbocharger includes a supply oil passage which directs lubrication oil, pumped out from an oil pump, to a bearing part on which a shaft connecting a compressor wheel and a turbine wheel is rotatably supported; and a flow control valve 50 which is provided in the supply oil passage and adjusts the flow rate of the lubrication oil by varying an opening area of a flow channel for the lubrication oil on the basis of the pressure of the lubrication oil flowing in the supply oil passage. The flow control valve 50 includes a pressure adjust screw 140 which increases the opening area of the flow channel for the lubrication oil, varied by the flow control valve 50, as the temperature of the lubrication oil flowing in the supply oil passage is low. |
