| 摘要 |
<p>This hermetic compressor (100) is provided with an electrical element (111), a compression element (117), and a hermetic container (101). The compression element is provided with a shaft (119), a cylinder block (129), a piston (133), and a crank weight (126). The rotor (115) of the electrical element is configured so as to comprise: an upper stage section (116) which has a hollow cylindrical shape having a solid cylindrical space therein and which is configured so that the lower part of the bearing (131) of the cylinder block is fitted in the solid cylindrical space, the bearing (131) having a through-hole in which the main shaft (123) of a shaft is inserted; a lower stage section (115e) which is configured so that the lower part of the main shaft passing through the through-hole of the bearing is inserted in and secured to the solid cylindrical space; and a balance weight (170, 270) which is disposed on the opposite side of the piston from the crank weight.</p> |
