Patent ID: 9259682
Filing Date: 2016-02-16
CPC Classification: B01D

Claim Text:
1. A gas compressing system comprising: a compressor operable to provide a flow of compressed gas and water vapor; a first desiccant tower including a first quantity of desiccant; a second desiccant tower separate from the first desiccant tower and including a second quantity of desiccant; a first moisture separator; a second moisture separator separate from the first moisture separator; a dry gas outlet; a first set of no more than three valves each movable between an open position and a closed position; and a second set of no more than three valves each movable between an open position and a closed position, wherein the flow of compressed gas and water vapor flows along a flow path in order from the compressor to the first desiccant tower, to the first moisture separator, to the second desiccant tower and out the dry gas outlet when each of the valves of the first set of valves is open and each valve of the second set of valves is closed, and wherein the flow of compressed gas and water vapor flows in order from the compressor to the second desiccant tower, to the second moisture separator, to the first desiccant tower and out the dry gas outlet when each of the valves of the first set of valves is closed and each valve of the second set of valves is opened.