Claims
- 1. An electric oil pump apparatus comprising:
a pump housing having a suction port for inhaling oil, a discharging port for discharging the oil and a drive side communicating portion; a motor housing having a pump side communicating portion communicating with the drive side communicating portion; a bearing portion arranged at one of the drive side communicating portion and the pump side communicating portion; a shaft rotatably supported by the bearing portion, one end of the shaft extending in the pump housing and provided with a drive rotor capable of feeding the oil in response to rotation of the shaft, and the other end of the shaft extending in the motor housing and provided with a permanent magnet; and an electromagnetic coil fixed to the motor housing at a position with a predetermined distance from the permanent magnet in a radially outward direction of the shaft and capable of rotating the shaft by controlling exciting operation applied to the electromagnetic coil.
- 2. An electric oil pump apparatus according to claim 1, wherein a yoke is fixed to the other end of the shaft and is disposed between the shaft and the permanent magnet.
- 3. An electric oil pump apparatus according to claim 1, where a fixing portion of the shaft for fixing the permanent magnet is made of a yoke.
- 4. An electric oil pump apparatus according to claim 1, wherein the pump housing is provided with an oil controlling member and a mounting member for mounting the electric oil pump apparatus to a member which is not the electric oil pump apparatus.
- 5. An electric oil pump apparatus according to claim 2, wherein the pump housing is provided with an oil controlling member and a mounting member for mounting the electric oil pump apparatus to a member which is not the electric oil pump apparatus.
- 6. An electric oil pump apparatus according to claim 3, wherein the pump housing is provided with an oil controlling member and a mounting member for mounting the electric oil pump apparatus to a member which is not the electric oil pump apparatus.
- 7. An electric oil pump apparatus according to claim 1, wherein the bearing portion is arranged at the drive side communicating portion.
- 8. An electric oil pump apparatus according to claim 2, wherein the pump housing is made of aluminum and the motor housing is made of resin.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2002-068445 |
Mar 2002 |
JP |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is based on and claims priority under 35 U.S.C. § 119 with respect to a Japanese Patent Application 2002-068445, filed on Mar. 13, 2002, the entire content of which is incorporated herein by reference.