发明名称 RECIPROCATING COMPRESSOR
摘要 <P>PROBLEM TO BE SOLVED: To provide a reciprocating compressor provided with a lip ring capable of ensuring sealability even in significant power/high pressure specification. <P>SOLUTION: This reciprocating compressor includes: a cylinder; a piston reciprocating while swinging in the cylinder and defining a compression chamber in the cylinder; and the annular lip ring 30 provided in the piston and sealing a portion between the piston and the cylinder. The lip ring 30 is formed with a plurality of layers 30A, 30B which are different respectively on the side abutting on the inner peripheral surface of the cylinder and on the side not abutting thereon. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009013795(A) 申请公布日期 2009.01.22
申请号 JP20070173239 申请日期 2007.06.29
申请人 HITACHI LTD 发明人 OSHIAGE HIROSHI
分类号 F04B39/00;F16J9/02;F16J15/32 主分类号 F04B39/00
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