发明名称 |
COOLING DEVICE FOR ENGINE |
摘要 |
Disclosed is an oil jet device for cooling a piston, including: an oil cooler 4 that is disposed upstream of an oil injection nozzle 8; an oil pump 5 that is disposed upstream of the oil cooler 4; a first switching adjustment valve 6 that is disposed between the oil injection nozzle 8 and the oil cooler 4 and adjusts a flow dividing ratio at which the cooling oil from the oil cooler 4 is distributed to the oil injection nozzle 8 side and to an oil pan side; and a control unit that has an oil quantity adjustment map 4 for switching the first switching adjustment valve 6 based on a piston temperature calculation map 20 for calculating the temperature of the piston 1 using detection values acquired respectively by a cooling water temperature sensor 35, a rotation speed sensor 36 and a load sensor 37. |
申请公布号 |
EP2664762(B1) |
申请公布日期 |
2016.05.18 |
申请号 |
EP20110855849 |
申请日期 |
2011.12.28 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
TAKEMOTO, DAISUKE |
分类号 |
F01P7/16;F01M1/06;F01M1/08;F01M1/16;F01M5/00 |
主分类号 |
F01P7/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|