| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 266078000 | WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION | 18 |
| 20110068518 | HEATING FURNACE FOR PRESS HARDENING PROCESS - A heating furnace according to an embodiment of the present invention includes: a furnace body that has an inlet at the upper portion through which a steel sheet blank is inserted from a wound coil and an outlet at the lower portion through which the steel sheet blank is discharged, and has a cylindrical structure having a space for conveying the steel sheet blank; a conveyer that is spirally disposed on the inner circumference of the furnace body and sequentially conveys the steel sheet blank from the inlet at the upper portion and the outlet at the lower portion; and a clamping means that is disposed at one side of the conveyer and selectively clamps the steel sheet blank. | 03-24-2011 |
| 20110272866 | MEASUREMENT OF CHARGE BANK LEVEL IN A METALLURGICAL FURNACE - Various systems and methods for monitoring the level of a feed material layer in a metallurgical furnace are described. At least one non-contact sensor is used to sense a distance between the feed layer and a reference position. A process controller linked to the sensor provides a control signal based upon the sensed distance. The control signal may be used to control various factors in the operation of the metallurgical furnace. | 11-10-2011 |
| 20120292834 | CRUST BREAKING DEVICE - A crust breaking device for metal melts includes a pneumatic cylinder having a cylinder housing, a piston, which is axially displaceable within the cylinder housing, and a piston rod, which is fastened to the piston. The piston rod is guided by the cylinder housing and movable between a retracted final position and an extended final position. The device includes an electronic control unit and a valve arrangement, which can be actuated via the electronic control unit and is connected via control lines to front and rear pressure chambers inside the cylinder housing. The device further includes at least one metal plate that is fixedly arranged within the cylinder housing in order to define a final position of the piston or the piston rod. The metal plate and the piston are electrically connected to the control unit such that a contact of the piston with the metal plate closes a circuit. | 11-22-2012 |
| 20140145381 | Method and Apparatus for Achieving Higher Cooling Rates of a Gas During Bypass Cooling in a Batch Annealing Furnace of Cold Rolling Mills - A method and apparatus to increase the cooling rate of gas used in a batch annealing furnace of cold rolling mills under bypass cooling. The invention makes use of the higher heat transfer capacities of nanocoolants developed by a high-shear mixing of nanoparticles and stabilizers in a basic aqueous medium for cooling heated hydrogen flowing through a heat exchanger during bypass cooling of the batch annealing furnace. The nanofluid is prepared in a nanofluid preparation unit. | 05-29-2014 |
| 20140291901 | REDUCTION PROCESSING APPARATUS FOR STEEL-MAKING SLAG AND REDUCTION PROCESSING SYSTEM FOR STEEL-MAKING SLAG - This reduction processing apparatus for a steel-making slag that continuously performs reduction processing to a hot steel-making slag by using an electric furnace includes: a slag-supplying container that charges the hot steel-making slag into the electric furnace; an electrode that is provided at the electric furnace and heats a molten slag layer on a molten iron produced by reducing the hot steel-making slag; an auxiliary-raw-material supplying unit that supplies an auxiliary-raw-material including a reducing agent to the molten slag layer; and a tilting unit that tilts the slag-supplying container and adjusts a charging amount of the hot steel-making slag to the electric furnace. | 10-02-2014 |
| 266080000 | With analyzer or computation means | 3 |
| 20080303195 | Molten Metal Holding Furnace - A molten metal holding furnace for supplying a constant quantity of the molten metal to a casting machine is composed of a holding chamber having a melt supply port, and a pressurization chamber having an upward melt outlet port. The holding chamber and the pressurization chamber are communicated with each other via an openable/closable first melt flow passage. The pressurization chamber is composed of a outlet section at which the melt outlet port is positioned and a pressurization section positioned on one side closer to the holding chamber. The holding chamber and the outlet section are juxtaposed with the pressurization section interposed therebetween, where the first melt flow passage is formed at a hearth of the pressurization section, and an openable/closable second melt flow passage communicating with the outlet section is formed at a hearth of the pressurization section. | 12-11-2008 |
| 20090289398 | UNIT FOR CATALYTIC GAS NITROGENATION OF STEELS AND ALLOYS - Equipment for thermochemical treatment of steels and alloys in gaseous mediums with automatic control includes a heating furnace with/without a muffle, a process gas catalyst impact block located in the furnace, a mechanism for supply, mixing, proportioning and extraction of process gases and a device of indirect monitoring and control of the nitrogen potential in the furnace atmosphere. The device of indirect monitoring and control of the nitrogen potential in the furnace atmosphere is an oxygen sensor, a secondary transducer with indication of the nitrogen potential in weight units of nitrogen content in iron and an actuator, while the process gas catalyst impact block is located in the furnace on the process gas supply line. The technical result achieved is that reliability and stability of processes are significantly increased, as well as the period of nitriding is reduced due to integrated process automation that is available. | 11-26-2009 |
| 20140361472 | METHOD AND DEVICE FOR OPERATING A SMELTING REDUCTION PROCESS - In a method and a device for operating a smelting reduction process, at least part of an export gas from a blast furnace or a reduction unit is thermally utilized in a gas turbine and the exhaust gas of this gas turbine is used in a waste heat steam generator to generate steam. The remaining part of the export gas is fed to a CO | 12-11-2014 |
| 266081000 | With means supplying a treating agent | 3 |
| 20090315232 | Dissolution Apparatus for Noble Metals - Provided is an apparatus for dissolving noble metals, including: a sealed dissolution reactor provided with agitators; a sealed electrolysis type chlorine producing unit for supplying chlorine gas produced via electrolysis to the dissolution reactor; a pH adjusting unit for controlling and maintaining pH of the liquid inside the dissolution reactor to convert the chlorine gas supplied to the dissolution reactor into a chlorine compound; and an inorganic material extraction unit for extracting inorganic materials from the liquid received from the dissolution reactor via heating/evaporation, wherein the pH adjusting unit controls pH of the liquid inside the dissolution reactor in such a manner that the chlorine compound is produced, the noble metal in a noble metal-containing sample introduced into the dissolution reactor is dissolved by the chlorine compound, and the liquid evaporated from the inorganic material extraction unit is recycled to the dissolution reactor. | 12-24-2009 |
| 20120104667 | High temperature and economizing furnace system - A furnace system includes a furnace facility disposed on a conveyer device and having a pre-heating zone, a high temperature heating zone, and two cooling zones, and the conveyer device moves the work piece from the pre-heating zone through the high temperature heating zone and the cooling zones, two heating members disposed in the heating zones for pre-heating and heating the work piece, two piping members coupled between the cooling zones and the heating zones for recycling the waste heat gas, and two blowing devices draw the waste gas from the cooling zones to the heating zones for recycling and economizing the heat energy and for preventing the steel materials from being distorted or twisted. | 05-03-2012 |
| 20140091503 | METHOD FOR RECOVERING VALUABLE METALS FROM SLAG AND APPARATUS FOR MANUFACTURING MULTIFUNCTIONAL AGGREGATE - An apparatus for recovering valuable metals and manufacturing multifunctional aggregate from slag. The apparatus includes a slag reforming processing pot | 04-03-2014 |
| 266087000 | With temperature sensor | 6 |
| 20110068519 | PRESS HARDENING DIE COOLING DEVICE - The present invention relates to an apparatus for a press hardening die which has a structure improved to decrease cooling rate of trimming portions in pressing a steel plate blank for manufacturing a part for press hardening. A press hardening die cooling device according to an embodiment of the present invention includes: a press hardening die composed of upper and lower dies equipped with cooling water suppliers therein to press a steel plate blank from the top and the bottom; and a cooling water temperature adjuster disposed between the cooling water suppliers of the upper and lower dies and the contact surface of the steel plate blank to adjust temperature of cooling water supplied to the steel plate blank. | 03-24-2011 |
| 20140131930 | HEAT TREATMENT APPARATUS - A cooling chamber is provided which cools workpieces that have been heated. Cooling units are provided in the cooling chamber, and respectively include: a conveyor which simultaneously and uniserially conveys a plurality of workpieces; a mist cooling device which is disposed so as to surround the conveyance path of the conveyor and which supplies mist-like cooling liquid; and a gas cooling device which is disposed so as to surround the conveyance path of the conveyor and which supplies cooling gas. | 05-15-2014 |
| 20140374970 | ELECTRIC ARC FURNACE DUST RECYCLING APPARATUS AND METHOD - The present technology provides an illustrative apparatus for recycle electric arc furnace (EAF) dust and method of use related to the same. The apparatus has a heat controlling region coupled to a separation volume and includes at least one magnet and a cooling region. The heating controlling region operates at a temperature sufficient to transform at least some of the EAF dust into a mixture of gaseous zinc and one or more additional metals. The magnet separates the iron-rich material from the mixture of gaseous zinc and one or more additional metals and the cooling region condenses the gaseous zinc. | 12-25-2014 |
| 20160169715 | PROBES, BLAST FURNACES EQUIPPED THEREWITH, AND METHODS OF FABRICATING PROBES | 06-16-2016 |
| 266088000 | In a fluid | 2 |
| 20100084796 | IRON CORE ANNEALING FURNACE - An iron core annealing furnace that is used in annealing of an amorphous iron core requiring strict control of annealing temperature. There is provided an iron core annealing furnace comprising a furnace body fitted at its superior area with a heat source and a fan, wherein the furnace body has a double layer structure consisting of a furnace interior defined by the inside division wall of the furnace body and an interspace defined by the division wall and the outside wall of the furnace body, and wherein the fan is disposed in the center of a superior area of the furnace body, and wherein the fan is adapted to introduce hot air from the furnace interior of the double layer structure, feed the hot air to the outside of the double layer structure, allow the hot air to enter the furnace interior from an inferior area of the furnace body and heat the iron core, and circulate the hot air. | 04-08-2010 |
| 20110193273 | PROCESS AND APPARATUS FOR PRODUCING SEMI-SOLIDIFIED SLURRY OF IRON ALLOY - A process for producing a semi-solidified slurry of an iron alloy including the steps of pouring a melt of an iron alloy into a semi-solidified slurry producing vessel | 08-11-2011 |
| 266089000 | With pressure sensor | 1 |
| 20140138884 | DEVICE FOR THE CLOSED-LOOP CONTROL OF PROCESS GASES IN A PLANT FOR PRODUCING DIRECTLY REDUCED METAL ORES - A device for closed-loop control of process gases ( | 05-22-2014 |
