| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an enclosed compressor which has first and second compressors arranged at the upper and lower portions, with the first compressor at the lower portion being a rotary compressor, and which is simplified in structure and reduced in cost by reducing the number of parts constructing an oil supply pump and a lower muffler chamber and by adapting the parts to be easily worked. <P>SOLUTION: In the enclosed compressor 1 having first and second compressors 2, 3 arranged at the upper and lower portions in an enclosed housing 10 with the first compressor 2 at the lower portion being a rotary compressor, a lower bearing 23 of the rotary compressor 2 supports the lower end of a rotating shaft 7 on the center side of the lower bearing, has a bearing boss part 50 having at the lower end surface thereof a cylinder chamber 55 of the oil supply pump 14, and is formed in a double-tube shape having an outer tube 51 located on the outer peripheral side of the bearing boss part 50 so as to surround the bearing boss part, and a lid member 58 is mounted to the lower end surface of the lower bearing 23 to define the cylinder chamber 55 and the lower muffler chamber 28 of the rotary compressor 2. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
