| 摘要 |
<p>A vane pump includes: a rotor having a plurality of slots formed on an outer circumferential surface thereof; a vane slidably inserted into each of the slots; and a cam ring having the rotor therein and having a inner circumferential surface in contact with an end portion of the vane, wherein the rotor is formed of nodular graphite cast iron, the vane is formed of high speed tool steel, and the cam ring is formed of alloy cast iron.</p> |
