| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sealing structure having a static seal function for low pressure fuel and a dynamic seal function for high temperature high pressure combustion gas at an auxiliary chamber valve support part of a gas engine. <P>SOLUTION: In a sealing structure for the auxiliary chamber valve support part of the gas engine provided with a main combustion chamber formed by a piston slidably provided in a cylinder formed in a cylinder block and a cylinder head arranged on an upper surface of the cylinder block, the auxiliary combustion chamber provided in the cylinder head and communicated to the main combustion chamber with a communication hole, an auxiliary chamber valve provided with being inserted through the auxiliary combustion chamber and opening and closing the communication hole, and a support sleeve provided in the cylinder head and slidably supporting a valve stem of the auxiliary chamber valve, a packing composed of combination of a plurality of abutment rings provided at a lower step of the support sleeve close to the auxiliary combustion chamber with having the valve stem inserted therethrough, and a resin ring provided between the support sleeve and the valve stem at an upper part of the plurality of abutment rings and inserted on the valve stem and an elastic ring inserted on an outer circumference of the resin ring is provided. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
