| 摘要 |
<p>According to an embodiment of the present invention, a compressor comprises: an airtight case in which oil is reserved at the bottom; a compression tool unit compressing a refrigerant; an electric tool unit generating driving force; a rotational shaft transferring driving force generated in the electric tool unit, and having a hollow unit, and a female screw unit formed in the hollow unit; an oil increase member having an oil increase unit increasing oil reserved at the bottom of the airtight case, and a male screw unit combined on the female screw unit of the rotational shaft, and inserted into the hollow unit of the rotational shaft. As binding power between the oil increase member and the rotational shaft is strong, reliability of fueling is improved.</p> |
