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| Number | Title | Issue Date |
| 7772483 | Sensor for measuring the temperature of flowing metals An immersion thermocouple is described. The immersion thermocouple includes a heat resistant sheathing, the interior of which is substantially filled with a heat resistant cement, a first U-shaped tube enclosing a thermocouple fixed in the heat resistant cement, and... | 08/10/2010 |
| 7166165 | Barrier coating for vitreous materials A chemical vapor deposition apparatus comprises a reaction chamber and one or more vitreous components having an outer surface that is covered at least in part by a devitrification barrier layer. In some arrangements, the one or more vitrious components can include ... | 01/23/2007 |
| 7131768 | Extended temperature range EMF device A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio... | 11/07/2006 |
| 7084342 | Semi-compensated pins for cold junction compensation An apparatus and system is presented for partially compensating the cold junction of a thermocouple system using low cost semi-compensated conductors of system components accommodating various thermocouple types. The thermocouple system, comprises a thermocouple por... | 08/01/2006 |
| 7036983 | Thermocouple for use in gasification process An improved apparatus comprising a thermocouple for measuring the temperature in a gasification process is provided. The improvement comprises a sapphire envelope for enclosing at least a portion of the thermocouple. The sapphire envelope may be in the form of a sap... | 05/02/2006 |
| 7018096 | Packed product temperature measuring device A temperature probe includes an elongated longitudinal tubular shaft having a hollow interior, an insulating structure mounted on the elongated shaft, and a heat conducting structure constructed of a metallic material coupled to the insulating structure. A thermocou... | 03/28/2006 |
| 7011446 | Thermocouple junction box with isolated studs A thermocouple junction box for reducing EMF generated by a stud-and-cup configuration comprises a cup adapted to be electrically connected to a thermocouple sensing junction and a stud disposed, at least in part, within the cup, the stud being electrically isolated... | 03/14/2006 |
| 6962438 | Temperature sensor temperature sensing tube A temperature sensor temperature sensing tube comprised of a head section having an outer conoidal hem formed along the circumference at its lower extent, a neck section formed at the center, a passage disposed in the neck section, and a tube member having a hollow ... | 11/08/2005 |
| 6846105 | Method for continuously measuring melting steel temperature and measuring temperature pipe The invention discloses a method for measuring the temperature of a molten steel continuously, comprises the following steps: providing a tube that is made of double bushings, both of the inner and outer bushings being close at one end and open at another end; putti... | 01/25/2005 |
| 6632018 | Thermocouple-type temperature-detecting device A thermocouple-type temperature-detecting device excellent in the temperature measurement responsiveness constituted of an outer protective pipe 1 and an inner protective pipe 2, the outer protective pipe 1 is formed in a laminated layer structure of a 2n... | 10/14/2003 |
| 6299348 | Immersion measuring probe for measurement in liquids An immersion measuring probe for measurement in liquids, in particular in molten metals, has a carrier tube, a measuring head mounted on one end of the carrier tube, and measuring elements as well as signal lines for the measuring signals generated by the... | 10/09/2001 |
| 6280083 | Thermocouple lance with layered sheath for measuring temperature in molten metal [0081] A thermocouple lance for measuring temperatures in molten metals has a protective sheath of multi-layered structure that makes it possible to improve the life expectancy of repetitive measuring devices. The thermocouple lance has a protective sheat... | 08/28/2001 |
| 6190038 | Thermocouple lance with alternating molybdenum layered sheath for measuring temperature in molten metal bath A thermocouple lance for measuring temperatures in molten metals has a protective sheath of multi-layered structure that makes it possible to improve the life expectancy of repetitive measuring services. The thermocouple lance comprises a protective sheat... | 02/20/2001 |
| 5917145 | Method and apparatus for measurement of temperatures of molten aluminum and aluminum alloys Apparatus for and a method of measuring the temperature of molten aluminum or aluminum alloys. The apparatus comprises a temperature measuring device, usually a thermocouple, contained within a protective tubular sheath, the sheath enclosing the temperatu... | 06/29/1999 |
| 5772324 | Protective tube for molten metal immersible thermocouple A protective device for a thermocouple for immersion into a molten metal bath to measure the temperature in the bath includes an elongated exterior protective body, which has an axis and is formed of a refractory composition. An interior reinforcing membe... | 06/30/1998 |
| 5752772 | Sensor arrangement for temperature measurement A sensor arrangement for measuring the temperature of molten masses uses a receptacle having at least one strip-shaped or wire-shaped carrier and an opening on its upper side, with a thermoelement placed inside the receptacle. In order to make available a... | 05/19/1998 |
| 5709474 | Refractory sheath for sensors There is provided a resin-silica sleeve or sheath for a sensor. The sheath has coating layer applied to its outer surface to improve the mechanical fracture strength and abrasion resistance of the sheath. The sheath, preferably, includes an inner layer or... | 01/20/1998 |
| 5696348 | Thermocouple structure A thermocouple structure capable of measurement of a high temperature with a high accuracy is constituted of a protective pipe made of a heat-resistant ceramic; a pair of wires differing in kind and extending in the protective pipe from one end thereof to... | 12/09/1997 |
| 5675118 | Thermo-couple with linear drift for liquid steel Continuous temperature measurement for liquid steel has in the past been made only with a thermocouple with exponential drift. With a diameter ratio of about 2 between metal and ceramic wells and with exceptionally thin electrical insulation, a lower, cal... | 10/07/1997 |
| 5603571 | Thermocouple assembly including an outer sleeve made in part of a titanium alloy An improved thermocouple assembly suitable for measuring the temperature of molten metal, the thermocouple assembly having a sleeve comprised of a closed end suitable for immersing in the molten metal. The sleeve is fabricated from a composite material co... | 02/18/1997 |
| 5584578 | Drop-in immersion probe A drop-in immersion probe for inserting into molten metal includes a generally cylindrical measurement head having an axis and a first axial end which is inwardly tapered toward the axis. The measurement head is made of a combination of materials having a... | 12/17/1996 |
| 5577841 | Molten metal immersion probe An immersion probe for determining a liquidus temperature of a molten metal sample during solidification has a first refractory body with an immersion face, an interior sample chamber, and a passageway between the immersion face and an end wall of the cha... | 11/26/1996 |
| 5474618 | Protective ceramic device for immersion pyrometer An elongated protective device for an immersion pyrometer. The device comprises a self-supporting inner sheath made of a ceramic material having virtually no open pores and a protective, crack-free outer ceramic casing at least partially surrounding the i... | 12/12/1995 |
| 5456761 | High temperature and abrasion resistant temperature measuring device A temperature measuring device for measuring the temperature of an abrasive particulate material of the type found, for example, in rotary calcining kilns and the like. The device comprises a temperature sensor producing an indication of a temperature to ... | 10/10/1995 |
| 5388908 | Apparatus for measuring the temperature of molten metals Apparatus for measuring temperatures in molten metals are known with a thermocouple arranged in a closed-end ceramic tube, wherein the junction of the thermocouple is located near the closed end of the tube, and with an outer protective casing which surro... | 02/14/1995 |
| 5360269 | Immersion-type temperature measuring apparatus using thermocouple An immersion-type temperature measuring apparatus using a thermocouple for measuring temperature of a melt, which comprises: a replaceable cartridge-type temperature sensor (11) for detecting a thermoelectromotive force corresponding to a temperature of a... | 11/01/1994 |
| 5332449 | Immersion sensor for molten metals An immersion sensor for molten metals has an electrically conducting support pin, whose one end is mounted in a refractory mounting material, and whose other free end has a first coating of a reference material and on top of this a second coating of a sol... | 07/26/1994 |
| 5308044 | Boron nitride ceramics and molten metal container provided with members made of the same ceramics The present invention relates to ceramics having excellent fusing damage resistivity against melt of metal or other inorganic materials. If a member formed of BN ceramics in the prior art comes into contact with melt of metal, glass or the like, the membe... | 05/03/1994 |
| 5298084 | Electrical insulator assembly with oxygen permeation barrier A high-voltage electrical insulator (21) for electrically insulating a thermoelectric module (17) in a spacecraft from a niobium-1% zirconium alloy wall (11) of a heat exchanger (13) filled with liquid lithium (16) while providing good thermal conductivit... | 03/29/1994 |
| 5275488 | BOF drop-in thermocouple A BOF drop-in sensor assembly includes a handle, a weight, a sensor, and a cage to protect the sensor. The weight includes a high density material having a density of at least 1.2 times the density of steel. The cage comprises crossed rods which are easil... | 01/04/1994 |
| 5230745 | Thermocouple housing A thermocouple housing having a ceramic protection tube with a closed end for immersion into a metal melt and an open end for receiving thermocouple wires. The ceramic protection tube has a reduced diameter portion spaced from the open end by a distance x... | 07/27/1993 |
| 5228922 | High voltage alkali metal thermal electric conversion device A high voltage multitube alkali metal thermal electric convertor having a plurality of closely packed tubular cells disposed in a tube sheet in a vessel and electrically connected in series, the tube sheet dividing the vessel into a high pressure high tem... | 07/20/1993 |
| 5209571 | Device for measuring the temperature of a molten metal The present invention is a device for measuring the temperature of a molten metal. The device includes a thermocouple element, a housing consisting of a heat-resistant material and a retainer member for receiving the thermocouple element. The retainer mem... | 05/11/1993 |
| 5197805 | Temperature sensor protection tube A protective tube is provided for a temperature sensor. The protective tube includes an inner metal tube including a chamber for containing a temperature sensor, an intermediate refractory sleeve surrounding and abutting at least a portion of the inner me... | 03/30/1993 |
| 5184894 | Method of using an immersible air cooled thermocouple A lance thermocouple of the type used for immersion in molten metal baths is provided with means for cooling by passage of low pressure air through the interior of the thermocouple connector. Radial passageways intersecting with a central bore are provide... | 02/09/1993 |
| 5147137 | Refractory thermowell for continuous high temperature measurement of molten metal An apparatus for the continuous high temperature measurement of materials in vessels lined with rammed or cast refractory materials. A refractory housing member is integral with the refractory lining of the vessel and contains a plurality of high temperat... | 09/15/1992 |
| 5104234 | Air cooled thermocouple lance A lance thermocouple of the type used for immersion in molten metal baths is provided with means for cooling by passage of low pressure air through the interior of the thermocouple connector. Radial passageways intersecting with a central bore are provide... | 04/14/1992 |
| 5071258 | Thermocouple assembly A thermocouple assembly for sensing temperatures of molten metals in a metallurgical vessel, such as a tundish used in continuous steel casting, includes a double bore insulator containing the two noble metal alloy lead wires of the thermocouple. Platinum... | 12/10/1991 |
| 5069553 | Protective sheath for a continuous measurement thermocouple Disclosed is a protective thermocouple sheath of a magnesia graphite refractory material for use in continuous temperature measurements of molten metal in a metallurgical ladle and having a basic slag layer thereon. The sheath includes an elongated torped... | 12/03/1991 |
| 5043023 | Stable metal-sheathed thermocouple cable A thermocouple cable (10) has a positive and negative thermoelement (14) conforming to the standard emf-temperature specification for type K thermocouples, a sheath (12) and compacted ceramic (16) insulating the thermoelements (14) from each other and fro... | 08/27/1991 |
