Patent application number | Description | Published |
20080281030 | Polymer nanocomposites and methods of preparation - High-use temperature, lightweight polymer/inorganic nanocomposite materials are described having enhanced thermal stability and performance characteristics. These materials are made possible by new methods for synthesizing composite materials that enhance the thermal stability of the nanocomposite systems from 100-150° C. to over 450° C. These materials and techniques for their formation are enabled at least in part by the use of polar organic phthalonitrile monomers and oligomers that can exfoliate layered phyllosilicates, such as smectite clays, in percentages greater than 10% inorganic by weight. This approach offers a solvent-free direct melt intercalation technique that greatly reduces the cost of processing nanocomposites. Additionally, the use of unmodified phyllosilicates overcomes temperature limitations of prior art, which uses organically-modified layered silicates. The new technology provides hitherto unobtainable thermal stability and performance characteristics, and has numerous applications in the automotive, aerospace, electronic and marine industries. | 11-13-2008 |
20090131554 | ELECTROMAGNETIC SHIELDING COMPOSITE COMPRISING NANOTUBES - There is provided an electromagnetic (EM) shielding composite and its method of manufacture having low observability and a low loading level, e.g., 1.5 weight percent, of nanotubes mixed in a base host polymer, wherein the EM shielding composite is an effective shield and absorber for broadband plane wave EM radiation. The loading levels of nanotubes are sufficiently low to leave the mechanical properties of the base polymers essentially unchanged, making this approach widely applicable to a broad range of applications. | 05-21-2009 |
20140127122 | FUGITIVE VISCOSITY AND STABILITY MODIFIERS FOR CARBON NANOTUBE COMPOSITIONS - The invention is directed to carbon nanotube-containing compositions that have increased viscosity and stability. In particular, the invention is directed to methods for manufacturing carbon nanotube films and layers that provide superior electrical properties. | 05-08-2014 |
Patent application number | Description | Published |
20090090311 | SOOTBLOWING OPTIMIZATION FOR IMPROVED BOILER PERFORMANCE - A sootblowing control system that uses predictive models to bridge the gap between sootblower operation and boiler performance goals. The system uses predictive modeling and heuristics (rules) associated with different zones in a boiler to determine an optimal sequence of sootblower operations and achieve boiler performance targets. The system performs the sootblower optimization while observing any operational constraints placed on the sootblowers. | 04-09-2009 |
20090319092 | MODEL BASED OPTIMIZATION OF MULTIPLE POWER GENERATING UNITS - A method and apparatus for optimizing the operation of a single or multiple power generating units using advanced optimization, modeling, and control techniques. In one embodiment, a plurality of component optimization systems for optimizing power generating unit components are sequentially coordinated to allow optimized values determined by a first component optimization system to be fed forward for use as an input value to a subsequent component optimization system. A unit optimization system may be provided to determine goals and constraints for the plurality of component optimization systems in accordance with economic data. In one embodiment of the invention, a multi-unit optimization system is provided to determine goals and constraints for component optimization systems of different power generating units. Both steady state and dynamic models are used for optimization. | 12-24-2009 |
20100241249 | SYSTEM FOR OPTIMIZING OXYGEN IN A BOILER - A method and apparatus for optimizing air flow to a boiler of a power generating unit using advanced optimization, modeling, and control techniques. Air flow is optimized to maintain flame stability, minimize air pollution emissions, and improve efficiency. | 09-23-2010 |
20110046752 | SYSTEM FOR OPTIMIZING POWER GENERATING UNIT - A method and apparatus for optimizing the operation of a single or multiple power generating units using advanced optimization, modeling, and control techniques. In one embodiment, a plurality of component optimization systems for optimizing power generating unit components are sequentially coordinated to allow optimized values determined by a first component optimization system to be fed forward for use as an input value to a subsequent component optimization system. A unit optimization system may be provided to determine goals and constraints for the plurality of component optimization systems in accordance with economic data. In one embodiment of the invention, a multi-unit optimization system is provided to determine goals and constraints for component optimization systems of different power generating units. Both steady state and dynamic models are used for optimization. | 02-24-2011 |
20110104015 | APC PROCESS PARAMETER ESTIMATION - A virtual analyzer is provided to estimate either an attribute of a reactant applied during performance of, or an amount of a reactant exhausted by, a process having multiple process parameters (MPPs) that is performed to control an amount of a pollutant emitted into the air. The virtual analyzer includes an interface which receives signals corresponding to attributes of the MPPs. If the process is a wet flue gas desulfurization (WFGD) process, the signals include a signal corresponding to a measured pH level of the applied reactant. If the process is a selective catalytic reduction (SCR) process, the signals include a signal corresponding to a measured amount of the reactant exhausted by the process. | 05-05-2011 |
20110224830 | CONTROL SYSTEM FOR OPERATION OF A FOSSIL FUEL POWER GENERATING UNIT - A control system for controlling operation of a fossil fuel fired power generating unit. The control system includes a combustion optimization system and a second optimization system. In one embodiment, the second optimization system is an oxygen optimization system. | 09-15-2011 |
20120059525 | SYSTEM FOR OPTIMIZING POWER GENERATING UNIT - A method and apparatus for optimizing the operation of a single or multiple power generating units using advanced optimization, modeling, and control techniques. In one embodiment, a plurality of component optimization systems for optimizing power generating unit components are sequentially coordinated to allow optimized values determined by a first component optimization system to be fed forward for use as an input value to a subsequent component optimization system. A unit optimization system may be provided to determine goals and constraints for the plurality of component optimization systems in accordance with economic data. In one embodiment of the invention, a multi-unit optimization system is provided to determine goals and constraints for component optimization systems of different power generating units. Both steady state and dynamic models are used for optimization. | 03-08-2012 |
20130018831 | SOOTBLOWING OPTIMIZATION FOR IMPROVED BOILER PERFORMANCE - A sootblowing control system that uses predictive models to bridge the gap between sootblower operation and boiler performance goals. The system uses predictive modeling and heuristics (rules) associated with different zones in a boiler to determine an optimal sequence of sootblower operations and achieve boiler performance targets. The system performs the sootblower optimization while observing any operational constraints placed on the sootblowers. | 01-17-2013 |
20130041483 | SYSTEM AND METHOD FOR MULTI-UNIT OPTIMIZATION OF BOILER AND SCR OPERATIONS - A method and apparatus for optimizing the operation of a single or multiple power generating units using advanced optimization, modeling, and control techniques. In one embodiment, a plurality of component optimization systems for optimizing power generating unit components are sequentially coordinated to allow optimized values determined by a first component optimization system to be fed forward for use as an input value to a subsequent component optimization system. A unit optimization system may be provided to determine goals and constraints for the plurality of component optimization systems in accordance with economic data. In one embodiment of the invention, a multi-unit optimization system is provided to determine goals and constraints for component optimization systems of different power generating units. Both steady state and dynamic models are used for optimization. | 02-14-2013 |
20130055021 | METHOD AND APPARATUS FOR MINIMIZING ERROR IN DYNAMIC AND STEADY-STATE PROCESSES FOR PREDICTION, CONTROL, AND OPTIMIZATION - A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model ( | 02-28-2013 |