| 摘要 |
PURPOSE: A mounting structure of an oil pump for an automobile automatic transmission is provided to easily assemble an impeller shaft and the oil pump, thereby improving the assembling productivity of the automatic transmission. CONSTITUTION: An automatic transmission of an automobile including an inner gear(24) coupled with an impeller shaft of a torque converter and receiving power for rotating, and an oil pump(20) including an outer gear(22) installed eccentrically from a rotary shaft of the inner gear, wherein the inner peripheral surface of the inner gear of the oil pump is axially coupled with a fixing hollow shaft member at state of being coincident with a rotary shaft of the impeller shaft on a housing(26), and the fixing hollow shaft member is axially coupled with the impeller shaft. |
