| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce the influence of vibration and noise in opening and closing a discharge valve and a suction valve. <P>SOLUTION: A valve plate device 4 interposed between a cylinder block 1 with cylinder bores 1a formed in it and a cylinder head 3 has a valve plate 41 and the discharge valve 45 provided on the valve plate so as to oppose one end face of the cylinder head 3. A valve retainer 51 is mounted to the valve plate device 4 in a side of a discharge chamber 45 so as to oppose the discharge valve 45, a discharge hole 47 communicated to the cylinder bore 1a and the discharge chamber 3a and a suction hole 49 communicated to the cylinder bore 1a and a suction chamber 3b are formed in the valve plate 41, and a cushioning member 53 is provided on one face of the valve retainer 51 opposing the discharge valve. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
