发明名称 HERMETIC COMPRESSOR AND REFRIGERATOR USING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a hermetic compressor capable of reducing an amount of a lubricating oil inhaled in a cylinder and enhancing the lubricity of a piston sliding surface, and to provide a refrigerator using the same. <P>SOLUTION: The hermetic compressor includes a piston housing a motor element and a compression element in a hermetic container and performing reciprocating motion in a cylinder, a crank shaft connected to the piston and a frame having a bearing journaling the crank shaft. The hermetic compressor has a groove on a side of the cylinder of the frame in a position higher than the lower end of the cylinder inside diameter and lower than the upper end of the cylinder inside diameter. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012036847(A) 申请公布日期 2012.02.23
申请号 JP20100178301 申请日期 2010.08.09
申请人 HITACHI APPLIANCES INC 发明人
分类号 F04B39/02;F04B39/00 主分类号 F04B39/02
代理机构 代理人
主权项
地址