Patent ID: 7168256
Filing Date: 2007-01-30
Classification: C03B

Abstract:
1. An apparatus for use with a heat exchanger, the apparatus comprising: a coolant recovery section for recovering a coolant gas containing contaminants from the heat exchanger; a by-pass section for providing a gas seal to the heat exchanger; an analysis section operable to monitor a condition of the recovered coolant gas; and a coolant gas blending section in operational association with the coolant gas recovery section, the by-pass section, and the analysis section, the coolant gas blending section operable to produce, based on the condition of the recovered coolant gas, a gaseous coolant blend having a predetermined contaminant concentration from a virgin coolant gas and a reclaimed portion of the recovered coolant gas and the by-pass section utilizes at least a portion of this recovered coolant gas to provide the gas seal.