Patent application number | Description | Published |
20090123793 | Heat Transfer Compositions with High Electrical Resistance for Fuel Cell Assemblies - The present invention relates generally to heat transfer compositions. More particularly, the present invention relates to heat transfer compositions with high electrical resistance for use in power-generating equipment or in engines. Such compositions are particularly useful in fuel cell assemblies. | 05-14-2009 |
20090294102 | HEAT TRANSFER SYSTEM COMPRISING BRAZED ALUMINUM, METHOD, HEAT TRANSFER FLUID, AND ADDITIVE PACKAGE - Disclosed herein is heat transfer system, comprising a brazed aluminum component, and a heat transfer fluid in fluid communication with the brazed aluminum component, wherein the heat transfer fluid comprises a liquid coolant, an oxy-anion of molybdenum, tungsten, vanadium, phosphorus, antimony, or a combination thereof, and a corrosion inhibitor. Also disclosed is a method of preventing corrosion in the heat transfer system, and a heat transfer fluid and additive package for use in the heat transfer system. | 12-03-2009 |
20100006796 | HEAT TRANSFER FLUID, ADDITIVE PACKAGE, SYSTEM AND METHOD - Disclosed herein is a heat transfer fluid, comprising a hydroxylated carboxylic acid of formula (OH)x(R1)(COOH)y, wherein x is 2 to 10, y is 3 to 10, and R1 is a C2-50 aliphatic group, a C6-50 aromatic group, or a combination thereof; and wherein the hydroxylated carboxylic acid comprises the hydroxylated carboxylic acid, an ester thereof, a salt thereof, an anhydride thereof, or a combination thereof. A heat transfer system comprises an aluminum component, a magnesium component, or an aluminum component and a magnesium component; and the foregoing heat transfer fluid. | 01-14-2010 |
20100092823 | COLORANT TREATED ION EXCHANGE RESINS, METHOD OF MAKING, HEAT TRANSFER SYSTEMS AND ASSEMBLIES CONTAINING THE SAME, AND METHOD OF USE - Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pK | 04-15-2010 |
20100098987 | CORROSION INHIBITORS, CORROSION INHIBITING HEAT TRANSFER FLUIDS, AND THE USE THEREOF - Disclosed is a corrosion inhibitor for use in heat transfer fluids having a conductivity of less than 200 μS/cm, the corrosion inhibitor having an azole compound, and at least one of a siloxane based surfactant, colloidal silica, or a mixture thereof. Also disclosed is a corrosion inhibiting heat transfer fluid, the heat transfer fluid having a conductivity of no more than or equal to 200 μS/cm and comprising the disclosed corrosion inhibitor. Also provided is an assembly comprising an alternative power source and a heat transfer system in thermal communication with the alternative power source, the heat transfer system comprising the disclosed corrosion inhibiting heat transfer fluid. In addition, a method of making a corrosion inhibiting heat transfer fluid is disclosed wherein the disclosed corrosion inhibitor is added to heat transfer fluid having a conductivity of less than 200 μS/cm. | 04-22-2010 |
20100196773 | METHODS FOR INHIBITING CORROSION IN BRAZED METAL SURFACES AND COOLANTS AND ADDITIVES FOR USE THEREIN - Disclosed are coolants comprising brazed metal corrosion inhibitors. In one embodiment, the disclosed brazed metal corrosion inhibitor will comprise a polycarboxylic acid functional compound having the structure: | 08-05-2010 |
20100276629 | METHOD FOR STABILIZING AN ENGINE COOLANT CONCENTRATE AND PREVENTING HARD WATER SALT FORMATION UPON DILUTION - Disclosed is a stabilized concentrate comprising least one stabilizer selected from the group consisting of polyacrylate polymers of the formula: | 11-04-2010 |
20110000505 | METHODS AND COMPOSITION FOR CLEANING A HEAT TRANSFER SYSTEM HAVING AN ALUMINUM COMPONENT - Disclosed herein is a method and treatment system for rapid cleaning and protecting of automotive cooling systems containing controlled atmosphere brazed aluminum heat exchangers. The method and treatment system can optionally include a conditioning (passivating) step. The treatment system can comprise three different parts: (1) cleaner or cleaning solution; (2) conditioner or conditioning solution; and (3) compatible CAB aluminum protective heat transfer fluid. | 01-06-2011 |
20110159392 | COLORANT TREATED ION EXCHANGE RESINS, METHOD OF MAKING, HEAT TRANSFER SYSTEMS AND ASSEMBLIES CONTAINING THE SAME, AND METHOD OF USE - Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pK | 06-30-2011 |
20120216834 | COMPOSITION FOR CLEANING A HEAT TRANSFER SYSTEM HAVING AN ALUMINUM COMPONENT - Disclosed herein is a cleaner concentrate comprising: greater than 10 weight percent of a freezing point depressant, 0.5 to 35 weight percent of oxalic acid, and an azole compound, wherein weight percent is based on the total weight of the cleaner concentrate. | 08-30-2012 |
20120288404 | Methods For Inhibiting Corrosion In Brazed Metal Surfaces And Coolants And Additives For Use Therein - Disclosed are coolants comprising brazed metal corrosion inhibitors. In one embodiment, the disclosed brazed metal corrosion inhibitor will comprise a polycarboxylic acid functional compound having the structure: | 11-15-2012 |
20140070134 | HEAT TRANSFER FLUID CONCENTRATE - Disclosed herein is a heat transfer fluid concentrate comprising greater than or equal to 25 weight percent (wt %), based on the total weight of the concentrate, of glycerin, propylene glycol, or a combination of glycerin and propylene glycol, and greater than or equal to 30 wt %, based on the total weight of the concentrate, of a corrosion inhibitor or combination of corrosion inhibitors. | 03-13-2014 |
20140070135 | HEAT TRANSFER FLUID ADDITIVE COMPOSITION - Disclosed herein is a heat transfer fluid additive composition comprising: greater than or equal to 10 weight percent (wt %) of a carboxylic acid, based on the total weight of the composition; an azole compound; and a base, wherein the base is present in an amount sufficient to obtain a pH 8-10.5 when diluted by 50 volume % with water. The heat transfer fluid additive composition can be combined with other components to form a heat transfer fluid. The heat transfer fluid can be used in a heat transfer system. | 03-13-2014 |
20140070136 | Heat Transfer Fluids and Corrosion Inhibitor Formulations for Use Thereof - Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 85 weight percent of a freezing point depressant, based on the total weight of the heat transfer fluid concentrate; 50 to 2000 ppm of lithium ions; an azole compound; an inorganic phosphate; a carboxylic acid; and an acrylate based polymer, wherein the heat transfer fluid has a pH of 7.0-9.5. The heat transfer fluid concentrate can be used to make a heat transfer fluid. | 03-13-2014 |
20140119982 | Heat Transfer Fluids and Corrosion Inhibitor Formulations for Use Thereof - Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 85 weight percent of a freezing point depressant, based on the total weight of the heat transfer fluid concentrate; 50 to 2000 ppm of lithium ions; an azole compound; an inorganic phosphate; a carboxylic acid; and an acrylate based polymer, wherein the heat transfer fluid has a pH of 7.0-9.5. The heat transfer fluid concentrate can be used to make a heat transfer fluid. | 05-01-2014 |
20140119983 | Heat Transfer Fluids and Corrosion Inhibitor Formulations for Use Thereof - Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 90 weight percent of a freezing point depressant; 16 to 80 ppm of magnesium ions; an azole compound; an inorganic phosphate; a carboxylate; and an acrylate based polymer, wherein the heat transfer fluid concentrate has a pH of 7-9.5 and the weight ratio of acrylate based polymer to magnesium ions is 1 to 25. The heat transfer fluid concentrate can be used to make a heat transfer fluid. | 05-01-2014 |
20140319409 | HEAT TRANSFER FLUID, ADDITIVE PACKAGE, SYSTEM AND METHOD - Disclosed herein is a heat transfer fluid, comprising a hydroxylated carboxylic acid of formula (OH)x(R1)(COOH)y, wherein x is 2 to 10, y is 3 to 10, and R1 is a C2-50 aliphatic group, a C6-50 aromatic group, or a combination thereof; and wherein the hydroxylated carboxylic acid comprises the hydroxylated carboxylic acid, an ester thereof, a salt thereof, an anhydride thereof, or a combination thereof. A heat transfer system comprises an aluminum component, a magnesium component, or an aluminum component and a magnesium component; and the foregoing heat transfer fluid. | 10-30-2014 |