| 摘要 |
<P>PROBLEM TO BE SOLVED: To appropriately switch hydraulic pressure in accordance with a state of an international combustion engine while efficiently conducting catalyst warming up, in a hydraulic control device of the internal combustion engine, for example, for switching lubricating oil pressure in accordance with the state of the internal combustion engine. <P>SOLUTION: The hydraulic control device 100 is provided with a pump 13 capable of circulating oil in the internal combustion engine 10 while enabling hydraulic pressure to gradually or continuously changed and a control means 40 for controlling the pump to change the hydraulic pressure in accordance with a temperature of a catalyst 23 for cleaning the exhaust gas of the internal combustion engine. <P>COPYRIGHT: (C)2009,JPO&INPIT |
