Patent ID: 8146712
Filing Date: 2012-04-03
Classification: B01D,C10M,F04C

Abstract:
1. A compressor system comprising: a fluid compressor airend having an inlet and a discharge, the fluid compressor airend operable to discharge a working fluid and lubricant mixture at a higher pressure from the discharge; a separator in fluid communication with the discharge, the separator configured to separate lubricant from the working fluid and lubricant mixture, the separator including a primary separation area and a secondary separation area, a first portion of the lubricant being separated from the working fluid in the primary separation area, and a non-zero second portion of the lubricant being separated from the working fluid at the secondary separation area, the majority of the lubricant being separated in the primary separation area and directed along a first flow path, the second portion of the lubricant directed along a second flow path; an acid filter positioned along the second flow path, the acid filter including a filter housing containing an acid-absorbing resin media arranged in a cylindrical shape having a central opening; and a filter head including a single continuous annular inlet opening formed as part of the filter head and positioned adjacent the resin media and a circular outlet disposed adjacent the central opening, the filter head configured to direct the lubricant into the resin media via the annular inlet opening and to collect the lubricant from the resin media via the central opening.