| 摘要 |
<p num="1"><br/><br/><br/>An apparatus includes a valve member configured to be reciprocatably disposed <br/>within a <br/>valve pocket defined by an interior surface of a cylinder head. The valve <br/>member has a <br/>tapered portion defining multiple flow passages and including multiple sealing <br/>portions. <br/>At least one sealing portion is disposed adjacent each flow passage and is <br/>configured to <br/>contact a portion of the interior surface of the cylinder head such that each <br/>flow passage is <br/>configured to be fluidically isolated from an area outside of the cylinder <br/>head.<br/>
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