| 摘要 |
The objective of the present invention is to provide a closed compressor which enables separation of a coolant gas from a lubricant even with a fixing piece, and dedicates to improve a cooling performance in a cooling system. To solve such problem, the closed compressor comprises: a separation chamber (18) having a capacity increased for a liquid collected inside by pumping up a lubricant oil (2) by viscous pumping in case a number of rotation of the compressor is greater than usual and not to overflow towards a gas entering hole (29), and prevents the liquid from flowing toward the gas entering hole (29) by each wall of barrages (33) (a big barrage (33a) and a small barrage (33b)) installed in the upper part inside when pumping a lubricant oil (2) up by viscous pumping of a viscous pump (16a) by a hollow sleeve (19) and a fixing piece (21) upon the rotation of a crank shaft (12); dividing into the liquid and a gas (coolant gas) including a mist state in the liquid and gas separation chamber (18) in an inner diameter hollow part of a shaft (12); and supplying the liquid to a sliding part through a connection hole (17) and the gas to the upper part of a compression element through the gas entering hole (29). |
