Union Carbide Corporation

Praxair Technology, Inc.

Richard B Mazzarella

Jaak S Van Den Sype

John Bernard Lightstone

William Alphonse Kilinskas

Christian Friedrich Gottzmann

Jonathan Jay Feinstein

Victor Emmanuel Bergsten

Lanier Stambaugh

Hollis C Demmin

John Notaro

John P Borcuch

James Donald Borkman

David E Brown

A method for correcting an output from an electrochemical cell sensor, having an output responsive to a concentration of sensed species in a stream, a pressure and a temperature in an interactive non-linear relationship, comprising the steps of providing a pressure sensor for producing an output responsive to a pressure in proximity to the electrochemical sensor; providing a temperature sensor for producing an output responsive to a temperature of said electrochemical sensor; and processing the outputs of the electrochemical sensor, pressure sensor and temperature sensor in a neural network having an output function which compensates said electrochemical sensor for changes in pressure and temperature to indicate a concentration of the sensed species. An apparatus is also provided, for compensating an electrochemical sensing apparatus, comprising an electrochemical sensor, being responsive to a sensed species, and an environmental variable; an environmental variable sensor, being responsive to said environmental variable; and a compensation network for producing a compensated output based on an output of said electrochemical sensor based and an output of said environmental variable sensor, said network comprising a neural network.

Neural network compensation for sensors

A low heat-leak cryogenic system comprising a cryogenic fluid, a first lamina having an external side facing toward and exposed directly to, or indirectly to, the cryogenic fluid and an internal side facing away from the cryogenic fluid; a second lamina spaced apart from the first lamina, and at least one block or layer of coherent aerogel extending from the first lamina to the second lamina. In another version, the aerogel is in a gaseous environment having a pressure not greater than 250,000 micrometers of mercury. In another version, at least one of the lamina is flexible so as to at least partially transmit an external load, such as that imposed by the atmosphere, to the coherent aerogel, and the coherent+ aerogel is capable of at least partially transmitting a load imposed on it from one lamina to the other.

Low heat-leak, coherent-aerogel, cryogenic system

A method of decarburizing molten metal in the refining of steel using neural networks with a first neural network trained to analyze data representative of many process periods of one or more decarburization operations for providing an oxygen count for a preselected gas ratio of oxygen to diluent gas to cause the temperature of the molten metal bath to be decarburized to rise to a specified aim temperature and with a second neural network trained to analyze data representative of many process periods of one or more decarburization operations for providing an output schedule of oxygen counts to be injected into the bath to reduce the carbon level to a predetermined aim level in one or more successive stages corresponding to a preselected schedule of ratios of oxygen to diluent gas.

Method of decarburizing molten metal in the refining of steel using

A method for ensuring that sufficient liquid is maintained in a liquid reservoir which is distant from a liquid supply station, comprising periodically determining the amount of liquid in the reservoir and sending the periodic determinations to a signal receiver for determination of the actual usage rate of liquid from the reservoir, sending a signal from the receiver to a remote supply station if certain defined mathematical operations indicate that liquid resupply is needed, and sending liquid from the remote supply station to the liquid reservoir.

Process for maintaining liquid supply

A method for improving the strength and toughness of an austenitic metal alloy selected from the group consisting of stainless steel alloys of the AISI 200 and 300 series and non-stainless steel alloys containing iron, manganese, chromium, and carbon, said alloy having an Md temperature of no higher than about 100.degree. C and an Ms temperature of no higher than about minus 100.degree. C comprising the following steps:

Method for providing strong tough metal alloys

A method for improving the strength of wire or strip having a composition which consists essentially of an austenitic metal alloy selected from the group consisting of stainless steel alloys of the AISI 200 and 300 series and non-stainless steel alloys containing iron, manganese, chromium, and carbon, said alloy having an Md temperature of no higher than about 100.degree. C and an Ms temperature of no higher than about minus 100.degree. C comprising the following step:

Method for providing strong wire and strip

A process for shearing metal which substantially eliminates the effects of plastic deformation in the sheared metal edge. The process comprises (1) cooling the work metal to a cryogenic temperature, and (2) shearing the cooled metal to form a sheared workpiece having edges relatively free of plastic deformation and dimensional distortion. The shearing operations contemplated by the invention include punching, blanking, piercing and slitting.

Growing community of inventors

Grand Island, NY, United States of America

Richard B Mazzarella