Rotary expansible chamber devices – Methods
Patent
1989-09-27
1991-07-23
Vrablik, John J.
Rotary expansible chamber devices
Methods
418 58, 418 85, 418 87, 418 88, 418 89, 418 98, 418100, 418104, 418151, 418187, 418DIG1, F04C 1826, F04C 2902
Patent
active
050339443
ABSTRACT:
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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Pauley Douglas H.
Speckman Thomas W.
Unotech Corporation
Vrablik John J.
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