Patent ID: 6393865
Filing Date: 2002-05-28
Classification: F04D,F25J

Abstract:
A combined main air/O2 enriched product compressor for use with an air separation unit that produces O2 enriched product, comprising a prime mover adapted to drive a bull gear, said bull gear adapted to drive at least two pinion gears, said pinion gears adapted to drive a plurality of compression stages, at least one compression stage adapted to compress feed air for the air separation unit to a feed air pressure and at least one compressor stage adapted to compress O2 enriched product from said air separation unit to 1.2 to 7.5 times greater than the feed air pressure to the air separation unit, whereby said combined main air/O2 enriched product compressor is adapted to satisfy all air separation unit feed air requirements and at least some compression for the O2 enriched product from said air separation unit.