| 摘要 |
PURPOSE: An apparatus is provided to achieve improved reliability of compressor by preventing insufficiency of lubrication oil and dry friction. CONSTITUTION: An apparatus comprises a casing(210) filled with a predetermined amount of lubrication oil; a plurality of reciprocating motors(221,222) mounted in the upper and lower portions of the casing, in such a manner that the reciprocating motors reciprocate in an opposite direction; a cylinder(230) having a compression space formed between the reciprocating motors, which is fixed to the casing; a plurality of pistons(241,242) coupled to movers(221C,222C) of the reciprocating motors and inserted to the cylinder in such a manner that the front ends of the pistons are opposed to each other and the pistons reciprocate in an opposite direction; and a lubrication oil supply member coupled to the end of the mover of the lower reciprocating motor, which supplies lubrication oil during the reciprocation of the mover.
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