Patents Assigned to Heraeus Electro-Nite International N.V.
  • Device for Use at Temperatures Above 1000°C or in Molten Steel and Use of the Device
    Publication number: 20090020253
    Abstract: A device is provided for use at temperatures above 1000° C. or in steel melts. The device has a body based on sand, high temperature-resistant hollow balls and/or high temperature-resistant hollow fibers and contains water glass and a cement.
    Type: Application
    Filed: July 17, 2008
    Publication date: January 22, 2009
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventor: Johan KNEVELS
  • Device for Collecting Gases in Molten Metal and Measurement Method
    Publication number: 20090013757
    Abstract: A device is provided for collection of gases in molten metals, the device having an immersion end with a gas collection body, a gas supply line opening at the immersion end, and a gas discharge line for gases penetrating the gas collection body. The gas collection body has an end face arranged on the immersion end and side walls of the collection body, and at least one part of the gas collection body has a gas impermeable layer. A measurement method is also provided using the device.
    Type: Application
    Filed: July 9, 2008
    Publication date: January 15, 2009
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Erik GERITS, Paul Clement VERSTREKEN, Jos SWENNEN, Jozef Theodoor AEGTEN
  • Carrier tube for sensors or samplers
    Patent number: 7458286
    Abstract: A carrier tube is provided for sensors or samplers for use in metal or cryolite melts. The carrier tube has on its exterior surface longitudinal grooves and/or planar surfaces extending in the longitudinal direction of the tube.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: December 2, 2008
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Jacques Plessers, William Biesmans
  • Immersion measuring probe, particularly a drop-in-measuring probe
    Patent number: 7449141
    Abstract: An immersion measuring probe, particularly a drop-in measuring probe for metal melts, is provided having a measuring head, on which at least one sensor carrier having at least one sensor is arranged. The sensor carrier is held at or in an opening in the measuring head. At least a part of the measuring head is in electrical contact with a counter electrode of an electrochemical sensor arranged on the measuring head and forming a bath contact for the electrochemical sensor.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: November 11, 2008
    Assignee: Heraeus Electro-Nite International N.V.
    Inventor: Erik Gerits
  • Measuring probe
    Patent number: 7418882
    Abstract: A measuring probe is provided for measurement in molten metal, the probe having a measuring head arranged on an immersion end of a carrier tube. A bath contact and at least one sensor for determining a component of the molten metal are arranged on the immersion end. The bath contact, viewed in the immersion direction, has a first bath contact region with two surface areas extending parallel to the immersion direction on opposite sides of the bath contact.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: September 2, 2008
    Assignee: Heraeus Electro-Nite International N.V.
    Inventor: Guido Jacobus Neyens
  • Device for Measuring the Gas Content in a Molten Metal
    Publication number: 20080196476
    Abstract: A device is provided for measuring the gas content in a molten metal, the device including an immersion end having a gas-collecting body, a gas supply line opening on the immersion end, and a gas discharge line for the gases passing through the gas-collecting body. The gas-collecting body contains materials, which in contact with the molten metal do not form liquid reaction products.
    Type: Application
    Filed: February 27, 2006
    Publication date: August 21, 2008
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Erik Gerits, Jacques Plessers, Jos Swennen
  • Method for measuring cooling/heating curves of molten masses
    Patent number: 7384192
    Abstract: A method is provided for measuring the cooling curve of melts and/or the heating curve of melt samples with an optical fiber, wherein an immersion end of the optical fiber having an at least partially free surface is surrounded with a spacing by a temperature-resistant sample-receiving chamber. The optical fiber is immersed with its immersion end in the melt, and a sample is thereby formed in the sample-receiving chamber. The sample-receiving chamber with the sample and the optical fiber are thereafter pulled out of the molten metal. The cooling curve of the sample and/or, after previous solidification of the sample, the temperature profile during heating is measured with reference to a signal obtained by the optical fiber and forwarded to a measurement device. In addition, a corresponding device is provided for the measuring method.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: June 10, 2008
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Francis Dams, Jacques Plessers, Paul Clement Verstreken
  • Device for performing measurements and/or taking samples in molten metals
    Patent number: 7370544
    Abstract: A device is provided for performing measurements and/or taking samples in molten metals with a sublance, which has a sublance body, on whose one end a lance holder is arranged for receiving an immersion probe. The sublance body is movably connected to the lance holder and/or the lance holder has several parts relatively movable to each other.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: May 13, 2008
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Guido Jacobus Neyens, Shaun Andrew Bell
  • Method for analysis of a molten material, device and immersion sensor
    Patent number: 7365841
    Abstract: A method and device are provided for analysis of a molten material using optical emission spectrometry. The molten material may be, for example, a molten metal, such as casting iron or steel, or slag, glass, or lava. A sensitive element is used having at least one emission spectrometer and at least one excitation device to effect the excitation of the molten material and to enable the partial or complete generation of a radiation to be analyzed by a spectrometer present in the sensitive element. The sensitive element is brought into contact with the molten material and transmits information, which contains analysis elements supplied by the spectrometer. An immersion sensor is also provided for carrying at least part of the device for performing the analysis method.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: April 29, 2008
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Jacques Plessers, Vittorino Tusset, Marc Schyns
  • IMMERSION LANCE FOR ANALYSIS OF MELTS AND LIQUIDS
    Publication number: 20080083269
    Abstract: An immersion sensor for analysis of liquids or melts includes an immersion carrier, a detector and a radiation-guiding unit, and a sample chamber arranged in the immersion carrier. The sample chamber has an inlet opening for liquid or melt, and the sensing components for measurement of the liquid or melt act inside the sample chamber.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 10, 2008
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventor: Ralph SATTMANN
  • Device for Measuring Cooling/Heating Curves of Molten Masses
    Publication number: 20080019416
    Abstract: A device is provided for measuring the cooling curve of melts and/or the heating curve of melt samples with an optical fiber, wherein an immersion end of the optical fiber having an at least partially free surface is surrounded with a spacing by a temperature-resistant sample-receiving chamber. The optical fiber is immersed with its immersion end in the melt, and a sample is thereby formed in the sample-receiving chamber. The sample-receiving chamber with the sample and the optical fiber are thereafter pulled out of the molten metal. The cooling curve of the sample and/or, after previous solidification of the sample, the temperature profile during heating is measured with reference to a signal obtained by the optical fiber and forwarded to a measurement device.
    Type: Application
    Filed: September 27, 2007
    Publication date: January 24, 2008
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Francis DAMS, Jacques PLESSERS, Paul VERSTREKEN
  • Transportable measuring probe, measuring system, process for determining measurement values, and use of the measuring system
    Patent number: 7307409
    Abstract: A transportable measuring probe is provided having a transmitting and receiving module for wireless transmission of information, wherein the transmitting and receiving module is suitable for detection and transmission of positional data of the measuring probe to an evaluation device.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: December 11, 2007
    Assignee: Heraeus Electro-Nite International N.V.
    Inventor: Francis Dams
  • METHOD AND DEVICE FOR MEASURING THE TEMPERATURE OF A MOLTEN METAL BATH
    Publication number: 20070268477
    Abstract: A method is provided for measuring a temperature of a molten metal bath by an optical fiber surrounded by a cover. The optical fiber is immersed in the molten bath, and the radiation absorbed by the optical fiber in the molten bath is fed to a detector, wherein the optical fiber is heated when immersed in the molten bath. The heating curve of the optical fiber has at least one point P(t0, T0), wherein the increase ?T1 in the temperature T of the optical fiber over the time ?t in a first time interval t0??t up to the temperature T0 is smaller than the increase ?T2 in the temperature of the optical fiber over the time ?t in an immediately following second time interval t0+?t.
    Type: Application
    Filed: May 15, 2007
    Publication date: November 22, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Francis DAMS, Frank SEUTENS, Robert Charles WHITAKER
  • Apparatus for Determination of an Interface of a Slag Layer
    Publication number: 20070176334
    Abstract: An apparatus is provided for determination of at least one interface of a slag layer on top of a molten metal. The apparatus has a carrier tube and a measuring head arranged on one end of the carrier tube with a body fixed within the carrier tube and an end face facing away from the carrier tube. The apparatus further includes an oscillator arranged within the measuring head and an induction coil connected with the oscillator and arranged outside of the body and in front of its end face.
    Type: Application
    Filed: January 24, 2007
    Publication date: August 2, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V
    Inventors: Johan Knevels, Guido Cappa
  • APPARATUS FOR THE DETERMINATION OF A PARAMETER OF A MOLTEN METAL OR A SLAG LAYER LYING ON THE MOLTEN METAL
    Publication number: 20070173117
    Abstract: An apparatus is provided for the determination of at least one parameter of a molten metal or a slag layer lying on top of the molten metal. The apparatus has a carrier tube, a measuring head arranged on one end of the carrier tube with a body fixed in the carrier tube. An A/D converter is arranged within the measuring head or the carrier tube, and the A/D converter is connected to at least one sensor arranged in or on the measuring head. The measuring head has a contact piece, which is electrically connected via its contact terminals to the signal output of the A/D converter, and the contact piece is connected to a lance inserted into the carrier tube. No more than two signal lines are arranged within the lance, the signal lines each being connected at one end via a contact terminal of the contact piece to the A/D converter and at an opposite end to a computer or an analysis device.
    Type: Application
    Filed: January 24, 2007
    Publication date: July 26, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Francis Dams, Guido Neyens
  • MEASURING PROBE FOR MEASURMENTS IN METAL OR SLAG MELTS
    Publication number: 20070137324
    Abstract: A measuring probe is provided for measurements in metal or slag melts, the probe having a measuring head with an immersion end and a rear end, and having sensors arranged on the immersion end with signal lines. The sensors and signal lines are guided through the measuring head by channels, and a separate channel is provided for each sensor. A measuring probe is also provided for measurements in metal or slag melts, the probe having a measuring head with an immersion end and a rear end, having sensors arranged on the immersion end, and having lateral recesses arranged in front of the rear end.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 21, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventor: Guido NEYENS
  • CERAMIC SEATING STONE AND METALLURGICAL VESSEL
    Publication number: 20070138716
    Abstract: A ceramic seating stone is provided for use in or on a metallurgical vessel for holding molten metal. The stone is formed as a whole or in parts of ceramic fibers, hollow ceramic spheres and/or foam ceramics.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 21, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventor: Martin KENDALL
  • MEASURING PROBE
    Publication number: 20070137286
    Abstract: A measuring probe is provided for measurement in molten metal, the probe having a measuring head arranged on an immersion end of a carrier tube. A bath contact and at least one sensor for determining a component of the molten metal are arranged on the immersion end. The bath contact, viewed in the immersion direction, has a first bath contact region with two surface areas extending parallel to the immersion direction on opposite sides of the bath contact.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 21, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventor: Guido NEYENS
  • Calibration and measurement of temperatures in melts by optical fibers
    Patent number: 7197199
    Abstract: A method is provided for calibrating measurement signals obtained with optical fibers, wherein a reference material having a known reference temperature is arranged at one end of an optical fiber, the reference material is heated up to at least its reference temperature, the signal received by the fiber when the reference temperature is reached is supplied as a calibration signal to a measurement device and is compared there with the theoretical value for the reference temperature, and the difference is used for calibration. In addition, a corresponding device is provided for using the above method for calibration or determination of the attenuation of an optical fiber.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: March 27, 2007
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Jan Cuypers, Marc Straetemans
  • IMMERSION PROBE
    Publication number: 20070056393
    Abstract: An immersion probe has a probe body having a longitudinal axis and an outer surface surrounding the longitudinal axis, wherein a portion of the outer surface has sampling elements, which extend around the longitudinal axis in the peripheral direction and which have a radial dimension. A protective layer, which can be dissolved or combusted in molten steel or slag, is arranged around the sampling elements.
    Type: Application
    Filed: September 8, 2006
    Publication date: March 15, 2007
    Applicant: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.
    Inventors: Johan KNEVELS, Guido CAPPA, Jos TRUYEN, Jean CLAES