Patent ID: 7964017
Filing Date: 2011-06-21
Classification: B01D,G01N,G05D

Abstract:
1. A gas flow system for controlling the moisture in a gas flow, the system comprising: a gas source from which gas flows; a processing chamber to which the gas flows; a gas flow line through which the gas flows from the gas source to the processing chamber, the gas flow line including a moisture control line section, the moisture control line section including: a scrubber disposed in the gas flow line outside of the moisture control line section, the scrubber removing contaminates from the gas in the gas flow; and a moisture sensor disposed in the gas flow, the moisture sensor sensing at least one parameter of the gas and outputting a signal representing the at least parameter to a moisture sensor controller such that the moisture sensor controller determines the moisture in the gas, the moisture sensor controller selectably controlling, based on the moisture, flow of the gas through either the primary pass-through line or the secondary pass-through line, the moisture sensor controller so controlling the moisture in the gas by adjusting the dryer valves.