Patent ID: 8858669
Filing Date: 2014-10-14
Classification: B01D

Abstract:
1. An oil coalescing filter with a filter media comprising: a first fiber media for continuously removing oil comprising at least one layer of a first lofted fiberglass material, said first lofted fiberglass material having a basis weight between 5 and 50 g/ft a second fiber media for final oil coalescing comprising at least one layer of a second lofted fiberglass material, said second lofted fiberglass material having a basis weight between 0.5 and 30 g/ft said first fiber media may having a greater basis weight than said second fiber media; wherein, said oil coalescing filter in an oil separator tank for a rotary screw compressor/vacuum or a liquid ring compressor/vacuum, whereby said oil coalescing filter being capable of providing a compressor oil carryover of approximately 2 parts per million or less with a pressure drop of approximately 2-3 psi or less.