| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine oil circulation device capable of properly supplying engine oil to respective cylinder head and cylinder block having different demands for engine oil. SOLUTION: This engine oil circulation device has oil pans 10, 11 forming a first chamber 13 and a second chamber 14 in their inside, a first oil passage 16 for supplying engine oil in the first chamber 13 into the cylinder block 2, and a second oil passage 22 being a passage separate from the first oil passage 16 to supply engine oil in the second chamber 14 from the cylinder head 6. By constituting this device in this way, it is possible to satisfy different demands for temperature for reducing friction of the cylinder block 2 and the cylinder head 6 simultaneously and reduce friction of the whole engine. COPYRIGHT: (C)2006,JPO&NCIPI
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