| 摘要 |
PROBLEM TO BE SOLVED: To secure the number of hydraulic oil passages from an outer peripheral portion to a central portion of an oil pump device while narrowing a clearance gap between fastening members for fastening a pump body and a pump cover.SOLUTION: The oil pump device has two hydraulic oil passages L11, L12 from an outer peripheral portion of the pump cover 14 toward a through hole 141a through between a first bolt 151 and a second bolt 152, two hydraulic oil passages L21, L22 from the outer peripheral portion of the pump cover 14 toward the through hole 141a through between the second bolt 152 and a third bolt 153, and a bypass hydraulic oil passage L50 formed on at least one of the pump body 12 and the pump cover 14 and including first, second and third oil passages L51-L53. |
