Patent application number | Description | Published |
20080211478 | Frequency Controller Resonant Converter - A resonant converter is provided which may be used for supplying power to the primary conductive path of an inductively coupled power transfer (ICPT) system. The converter includes a variable reactive element in the resonant circuit which may be controlled to vary the effective inductance or capacitance of the reactive element. The frequency of the converter is stabilised to a nominal value by sensing the frequency of the converter resonant circuit, comparing the sensed frequency with a nominal frequency and varying the effective inductance or capacitance of the variable reactive element to adjust the converter frequency toward the nominal frequency. | 09-04-2008 |
20080247210 | Resonant Inverter - A resonant inverter includes inductive elements (L | 10-09-2008 |
20110299313 | VARIABLE REACTIVE ELEMENT IN A RESONANT CIRCUIT - A resonant converter is provided which may be used for supplying power to the primary conductive path of an inductively coupled power transfer (ICPT) system. The converter includes a variable reactive element in the resonant circuit which may be controlled to vary the effective inductance or capacitance of the reactive element. The frequency of the converter is stabilised to a nominal value by sensing the frequency of the converter resonant circuit, comparing the sensed frequency with a nominal frequency and varying the effective inductance or capacitance of the variable reactive element to adjust the converter frequency toward the nominal frequency. | 12-08-2011 |
20130234531 | SHORTING PERIOD CONTROL IN INDUCTIVE POWER TRANSFER SYSTEMS - The present invention provides a power supply for an inductive power transfer (IPT) system, comprising a current-fed push-pull resonant converter comprising a parallel-tuned resonant tank and a pair of switches enabling selective shorting of the resonant tank; and a controller adapted to control a shorting period of the resonant converter by selectively operating the switches. Methods for controlling an IPT power supply are also disclosed. The power supply may be controlled to regulate the output of an IPT pick-up inductively coupled with the power supply in use, or to operate at a zero voltage switching (ZVS) frequency. | 09-12-2013 |
20150326029 | INDUCTIVELY POWERED MOBILE SENSOR SYSTEM - An inductively powered sensor system includes a primary conductive path | 11-12-2015 |
20150326030 | INDUCTIVELY POWERED MOBILE SENSOR SYSTEM - An inductively powered sensor system includes a primary conductive path | 11-12-2015 |
Patent application number | Description | Published |
20150352481 | APPARATUS AND METHOD FOR HYDROGEN RECOVERY IN AN ANDRUSSOW PROCESS - A method and a system for recovering hydrogen from a process for making hydrogen cyanide are described herein. In the method, hydrogen is recovered from a gaseous waste stream of an Andrussow process. The method comprises the following steps: (a) adjusting a reaction mixture comprising methane, ammonia and oxygen to provide the reaction mixture with sufficient oxygen to generate a gaseous waste stream that has at least 40% hydrogen after removal of ammonia and recovery of hydrogen cyanide; and (b) removing components from the gaseous waste stream to generate recovered hydrogen. | 12-10-2015 |
20150360965 | APPARATUS AND METHOD FOR DECREASING HUMIDITY DURING AN ANDRUSSOW PROCESS - The system and methods described herein solve problems of inaccurate flow control, loss of optimum reactant gas feed ratios, and the associated inefficiencies brought on by variable humidity in reactant feedstream gases during production of hydrogen cyanide by an Andrussow process. | 12-17-2015 |
20160046497 | REACTOR SCHEME IN ANDRUSSOW PROCESS - A process for the production of hydrogen cyanide comprises feeding a reaction mixture feed to a plurality of primary reactors each comprising a catalyst bed comprising platinum, wherein the reaction mixture feed comprises gaseous ammonia, methane, and oxygen gas, determining whether a percent yield of hydrogen cyanide in any of the plurality of primary reactors is at or below a threshold, identifying one or more suboptimal reactors amongst the plurality of primary reactors when the percent yield of hydrogen cyanide in any of the plurality of primary reactors is at or below the threshold, and supplementally feeding the reaction mixture feed to one or more supplementary reactors when the one or more suboptimal reactors are identified, wherein each of the one or more supplementary reactors comprises a catalyst bed comprising platinum. The supplemental feeding can be performed in place of the feeding of the reaction mixture feed to the one or more suboptimal reactors or in addition to the feeding of the reaction mixture feed to the one or more suboptimal reactors. The overall process is sufficient to maintain an overall measured hydrogen cyanide production rate amongst the one or more supplementary reactors and the primary reactors that is within a desired overall hydrogen cyanide production rate range. | 02-18-2016 |
20160046499 | APPARATUS AND METHOD FOR REDUCING CATALYST POISONING IN AN ANDRUSSOW PROCESS - Processes and systems for the production of hydrogen cyanide via the Andrussow process are described. A reaction zone, wherein oxygen, ammonia, and methane can be allowed to react in the presence of a catalyst comprising platinum to provide hydrogen cyanide. A desulfurization zone, wherein a feed stream comprising sulfur and at least one of the oxygen, the ammonia, and the methane can be contacted with a desulfurization material to produce a sulfur-reduced feed stream that is provided to the reaction zone. In an example, the desulfurization material includes zinc oxide. | 02-18-2016 |
Patent application number | Description | Published |
20080249323 | Sorbitol Conversion Process - A process for converting aqueous sorbitol to xylitol and isosorbide in the presence of an acid catalyst, and in the absence of an enzyme or of a hydrogenating catalyst, is disclosed. In the process, a sorbitol solution is reacted with an acid zeolite to produce xylitol and isosorbide. | 10-09-2008 |
20110301021 | PROMOTED ZIRCONIUM OXIDE CATALYST SUPPORT - A polyacid-promoted, zirconia catalyst or catalyst support having a high crush strength, surface area and pore volume is described. The polyacid-promoted, zirconia catalyst or catalyst support may be made by combining a zirconium compound with a polyacid/promoter material that includes the group 6 metals (i.e., chromium (Cr), molybdenum (Mo), tungsten (W)), as well as phosphoric acids, sulfuric acids, and polyorganic acids. The zirconyl-promoter precursor may be extruded in the absence of any binder or extrusion aid. The polyacid-promoted, zirconia catalyst or catalyst support is hydrothermally stable in aqueous phase hydrogenation or hydrogenoloysis reactions. | 12-08-2011 |
20110319672 | Conversion Of Sugar, Sugar Alcohol, Or Glycerol To Valuable Chemicals Using A Promoted Zirconium Oxide Supported Catalyst - A process for converting a sugar, sugar alcohol, or glycerol to a valuable chemical is described. The process may use a support comprising zirconium oxide promoted by a polyacid or promoter material. A catalytically active metal may be impregnated on the polyacid-promoted zirconium oxide support and the catalyst may then be introduced the sugar, sugar alcohol, or glycerol a source of hydrogen under reaction conditions. At least 40 wt % of the sugar, sugar alcohol or glycerol may be converted to a polyol and/or a shorter carbon-chain alcohol that may include at least one of propylene glycol, ethylene glycol, glycerin, methanol, ethanol, propanol and butandiols. Specific processes for converting glycerin having a selectivity for propylene glycol and for converting sorbitol with a selectivity for propylene glycol, ethylene glycol, and/or glycerin are also described. | 12-29-2011 |
Patent application number | Description | Published |
20090187873 | SIGNAL DELAY SKEW REDUCTION SYSTEM - A system for reducing the signal delay skew is disclosed, according to a variety of embodiments. One illustrative embodiment of the present disclosure is directed to a method. According to one illustrative embodiment, the method includes receiving an initial netlist comprising components and connection paths among the components. The method further includes identifying one or more skew-influencing features in a first connection path in the initial netlist that lack corresponding skew-influencing features in a second connection path in the initial netlist. The method also includes generating a skew-corrected netlist wherein the second connection path includes one or more added skew-influencing features corresponding to those of the first connection path. The method further includes outputting the skew-corrected netlist. | 07-23-2009 |
20110258587 | SIGNAL DELAY SKEW REDUCTION SYSTEM - A system and method are provided for reducing the signal delay skew is disclosed, according to a variety of embodiments. One illustrative embodiment of the present disclosure is directed to a method. According to one illustrative embodiment, the method includes receiving an initial netlist having components and connection paths among the components; identifying a first connection path in the initial netlist that comprises path fragments for which there are no equivalent path fragments in a second connection path in the initial netlist; generating a skew-corrected netlist wherein the second connection path is re-routed to have path fragments equivalent to the path fragments of the first connection path; and outputting the skew-corrected netlist. | 10-20-2011 |
20120278783 | SIGNAL DELAY SKEW REDUCTION SYSTEM - A system and method are provided for reducing signal skew. The method includes receiving a netlist having components and connections among the components. Each connection has at least one signal wire. A plurality of net groups is identified, each net group including at least some of the connections and for which equivalent routing is desired. For each net group, the method includes systematically routing connection paths between the components for the connections, each connection path extending between an output of one of the components and an input to at least one other of the components and including at least one path fragment. Routing includes, for at least one of the connections of the net group, routing at least one grounded shielding wire in a routing channel adjacent and parallel to at least one of the path fragments of the connection path. | 11-01-2012 |
Patent application number | Description | Published |
20120003625 | METHODS AND KITS FOR DETECTING AN INFECTIOUS AGENT - The present invention provides methods and kits for determining the presence, absence, or level of an infectious agent in a sample. Specifically, the present invention provides methods and kits for detecting or quantifying certain target polynucleotides of the infectious agent. In certain embodiments, the present invention provides for such detection without the need for amplification (e.g., replication) of the target molecule and/or without the need for labor intensive purification procedures. In certain embodiments, the present invention provides positive control and housekeeping gene for normalization and quantatively detection of the copy numbers of infectious agent in a sample. In these or other embodiments, the invention allows for such detection with the desired sensitivity and/or specificity, even where the polynucleotide is present in the sample at low copy number. | 01-05-2012 |
20120003648 | Signal Multiplexing and Signal Amplification - Disclosed are methods, compositions and kits for amplifying signals for detecting the presence, quantity and/or sequence of nucleic acids and proteins, as well as methods, compositions and kits for increasing the number of such targets simultaneously detectable in a sample. Detection may be, for instance, in vivo, in cellulo or in situ. Amplification of signal is achieved by way of hybridization of nucleic acid label probe systems and structures. Increase in target multiplex capacity is achieved by way of varying the type of labels utilized in the nucleic acid label probe system. | 01-05-2012 |
20120004132 | Detection of Nucleic Acids and Proteins - Methods of detecting various types of nucleic acids, including methods of detecting two or more nucleic acids in multiplex branched-chain DNA assays, are provided. Detection assays may be conducted at least in vitro, in cellulo, and in situ. Nucleic acids which are optionally captured on a solid support are detected, for example, through cooperative hybridization events that result in specific association of a label probe system with the nucleic acids. Various label probe system embodiments are provided. Embodiments are directed to concurrent detection of one or more nucleic acids and one or more proteins. Embodiments also are directed to determining the methylation state of a target sequence. Other embodiments are directed to detection of one or more proteins using DNA barcodes. Compositions, kits, and systems related to the methods are also described. | 01-05-2012 |
20120231453 | Brownian Microbarcodes for Bioassays - An encoded microparticle carrying a spatial code is provided; and a set of encoded microparticles are provided with distinguishable spatial codes, wherein the codes comply with a pre-determined coding scheme. Presented are also methods of using the encoded microparticles in various biological assays, such as various multiplex quantitative PCR (real-time PCR) and multiplex chromosomal immunoprecipitation (ChIP) assays. | 09-13-2012 |
20130203052 | FREE CIRCULATING DNA BIO-MARKERS AND THEIR APPLICATIONS - This invention relates generally to methods for detecting cell damage as a consequence of pathophysiological or traumatic insults such as in a nuclear accident, bioterror attack, tumorigenesis, infections or in individuals with cardiovascular disease. | 08-08-2013 |
20150176065 | DETECTION OF PNA CLAMPING - This invention provides methods and systems for detecting sequence variants in a sample nucleic acid. Methods include PNA clamping/PCR using primers with binding moieties followed by capture and detection of amplicons on a solid support. Systems include PCR reagents with primers having binding moieties, a PNA clamping probe, a solid support capable of capturing the PCR amplicons incorporating the binding moieties, and a detector device. | 06-25-2015 |