| 摘要 |
In a pump apparatus having a plurality of rotary pumps, an axis of a drive shaft is disposed perpendicularly to the gravity direction and the respective intake and discharge ports of the pumps extend in a direction opposite to the gravity direction. A housing, in which the pumps are contained, is provided with brake fluid passages connected to the intake and discharge ports, respectively. The respective brake fluid passages also extend in a direction opposite to the gravity direction. As a result, air entered into brake fluid may be easily purged through the intake and discharge ports and the brake fluid passages.
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