| 摘要 |
A lubricant circuit and a process for circulating a lubricant through such lubricant circuit of a compressor unit incorporating a planetary rotating compressor having a piston in an opening of a cylinder-piston. One embodiment of a circuit and one embodiment of a process of this invention relies on pressure in a lubricant separator vessel to force the flow of lubricant through the circuit to the compressor, and used lubricant pump as a scavenge pump. Another embodiment of a circuit and another embodiment of a process of this invention relies on the pressure developed by the lubricant pump to force the flow of lubricant through the circuit to the compressor, and utilizes a float operated valve to maintain constant lubricant level in the lubricant separator vessel. Both embodiments of the circuit may include additional, independent circuit connecting the bottom of a sump of the lubricant separator vessel with a bearing manifold downstream from the manifold's orifice to provide for an additional flow of lubricant to the bearings of the compressor during start-up of the compressor unit.
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