| 摘要 |
An electric oil pump for an automatic transmission is disclosed. According to one embodiment of the present invention, the electric oil pump for an automatic transmission comprises: a case; a motor unit composed of a stator fixated to a case and a rotor installed in a driving shaft inside a first space unit; a control unit comprising a circuit substrate inside a second space unit to control operation of the motor unit; and a pump unit configured on a front side of the case to receive power of the driving shaft to pump an automatic transmission fluid (ATF). According to the present invention, the case comprises: the first space unit and the second space unit separated from each other and provided one inner side and the other inner side; a cooling water chamber where cooling water circulates along an outer circumference of the first and second space units; and an oil chamber where the ATF circulates. |
