Patent ID: 8696927
Filing Date: 2014-04-15
Classification: C09K,C23F,F28F

Abstract:
1. A heat transfer system, comprising: a brazed aluminum component; and a heat transfer fluid in fluid communication with a brazed aluminum surface of the brazed aluminum component; wherein the heat transfer fluid consists of: a) a liquid coolant; b) an oxy-anion selected from the group consisting of molybdenum, tungsten, vanadium, phosphorus, antimony, and a combination thereof; c) a corrosion inhibitor selected from the group consisting of azole-based corrosion inhibitors, siloxane-based corrosion inhibitors, colloidal silica, carboxylates, tall oil fatty acids, alkali or alkaline earth metal, and combinations thereof; and d) optionally, additives selected from the group consisting of colorants, antifoam agents, wetting agents, biocides, bitterants, dispersants, and combinations thereof.