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| Number | Title | Issue Date |
| 8052919 | High frequency induction heating treatment equipment and method and induction heated and thus treated product To provide a heat treatment providing a product with quality as desired, high frequency induction heating treatment equipment capable of temperature control to provide such heat treatment includes temperature controlling means for adjusting in temperature an object ... | 11/08/2011 |
| 8038931 | On-site induction heating apparatus A method and apparatus for heating a workpiece. An induction heating system is used to induce magnetic fields in a workpiece to inductively heat the workpiece. The induction heating system may comprise a portable power source, a portable power source controller, a f... | 10/18/2011 |
| 7976770 | Diagnostic system and method for metallurgical reactor cooling elements Diagnostic methods and systems are used to determine operating condition and performance of a cooling element in a metallurgical reactor during operation of the reactor. A system can include sensing means, processing means and display means. The sensing means is loc... | 07/12/2011 |
| 7449140 | Modeling method for a metal The temperature (T) of a metal (1) can be influenced directly or indirectly by at least one actuator (2) which is actuated in accordance with a control variable (S). The control variable (S) and starting values (TA, p1A, p | 11/11/2008 |
| 6210630 | Process for manufacturing a hollow turbomachine blade and a multiple-action furnace press for use in said process A process for manufacturing a hollow turbomachine blade made from a type TA6V titanium alloy includes a hot forming step in which an element of the blade is isothermally shaped in a press at a temperature between 700° C. and 940° C. under the action of ... | 04/03/2001 |
| 5902371 | Melt shop scheduling for continuous casting In a melt shop for melting scrap to make steel, increased tonnage output for continuous casting for a given primary melt capacity can be obtained by stacking heated ladles of molten steel in inventory at a holding station before the ladles are transferred... | 05/11/1999 |
| 5485985 | Method and apparatus for heat treating An apparatus for metallurgically heat treating a plurality of discrete individually movable aluminum alloy parts includes a plurality of successive stations for heat treating the parts. The plurality of stations are arranged in a line of travel. Infrared ... | 01/23/1996 |
| 5452882 | Apparatus for quenching metallic ring-shaped workpieces For quenching heated metallic work pieces with a quenching intensity that lies in the region of H values from 0.2 to 4, which is typical for oil or water quenching, a cooling gas is used as the quenching medium in the form of discrete jet streams issuing ... | 09/26/1995 |
| 5415381 | Steel bar and billet heating system located upstream of shears for further processing A steel bar and billet heating system located upstream of shears for further processing comprises a conventional fuel operated heating furnace up to a material temperature of 780°-1000° C., followed by at least two subsequent individual induction heatin... | 05/16/1995 |
| 5402994 | Device for heat-treating metal workpieces An apparatus for heat-treating metallic workpieces, which includes two successive furnaces, a feeding device for feeding workpieces to the first furnace, and conveyor means from transporting workpieces from the first to the second furnace. Both furnaces a... | 04/04/1995 |
| 5286007 | Heat treatment system The heat treatment system includes a plurality of small-sized heat treating furnaces, having uniform heat treatment periods which are controlled to start the heat treatments in the respective furnaces with constant time lags. A lifting device is provided ... | 02/15/1994 |
| 5225142 | Method and apparatus for the automatic monitoring of operating safety and for controlling the progress of the process in a vacuum heat-treatment oven In a vacuum heat treating oven operating with hydrogen under pressure as the cooling medium, especially for the quenching of greatly heated metal workpieces (5), a method is provided for the automatic control of the progress of the process and for monitor... | 07/06/1993 |
| 5190718 | Machine for thermo-mechanical treatment of parts made of memory alloys A machine for the thermo-mechanical treatment of parts made of memory alloys contains: a thermally insulated chamber connected to a source of gaseous fluid and a support, capable of being introduced into a chamber, for carrying a plurality of crowns super... | 03/02/1993 |
| 5185031 | Device and method for skull-melting depth measurement A method of skull-melting comprises the steps of: a. providing a vessel adapted for a skull-melting process, the vessel having an interior, an underside, and an orifice in connecting the interior and the underside; b. disposing a waveguide in the orifice so th... | 02/09/1993 |
| 4558421 | Control system for an automatic ladling apparatus A control system operates an automatic ladling apparatus for conveying molten metal from a furnace to a die casting machine or the like. The control system includes a plurality of adjustable speed control settings so that the speed of the apparatus can be... | 12/10/1985 |
| 4474361 | Oxygen-blown steelmaking furnace An oxygen blow steelmaking furnace comprises a device for supplying materials for blowing into the furnace, a plurality of sensing devices, and a computer control device. The supplying device supplies into the furnace oxygen and fluxes from above and, as ... | 10/02/1984 |
| 4460163 | Device and furnace for discharging measured quantities of molten metal A holding or smelting furnace for discharging measured quantities of molten metal includes a furnace wall defining a furnace chamber adapted to contain molten metal having an upper free melt level, and at least one melt outlet channel extending from the f... | 07/17/1984 |
| 4409650 | Automatic position controlling apparatus An automatic positioning apparatus comprises a smoothing means. The smoothing means is adapted to connect smoothly a 3-dimensional path based on the preceding and succeeding four taught points irrespective of a straight line or a curved line, while correc... | 10/11/1983 |
| 4373364 | Method of controlling the temperature of a heating furnace A temperature controlling method for heating, with a heating furnace having at least one heating zone provided with a controllable heating means, materials charged into the heating furnace such that an aimed temperature of the material is reached by the t... | 02/15/1983 |
| 4359210 | Temperature control apparatus Apparatus for controlling furnace temperature particularly in an annealing furnace used for annealing elongated product, such as pipe and tubing, on a continuous basis. The apparatus includes a pyrometer used to produce an electrical signal proportional t... | 11/16/1982 |
| 4345746 | Apparatus for refining ferrous melt with slag conditioning A ferrous melt, e.g. of steel, is refined beneath a slag layer by blowing from above with an oxygen-containing gas through a lance and by bubbling an inert gas through the melt from the bottom. According to the invention, the consistency of the slag layer... | 08/24/1982 |
| 4303228 | Apparatus for heat treating containing air-purged molecular sieves in O.sub. -free N2 atmospheres Carbonaceous combustion products (i.e., principally carbon dioxide) and water are removed from nitrogen generator gas by molecular sieve adsorption thereof. The molecular sieve material is regenerated by an initial extended purging with ambient air under ... | 12/01/1981 |
| 4245819 | Apparatus for stabilizing springs In a method of treating a coil spring to improve its performance and reliability when operating at elevated temperatures, the spring is first stressed by applying a load of preselected magnitude and then, while the load is maintained, the spring is heated... | 01/20/1981 |
| 4223385 | Control of workpiece heating The present control system and method for a slab heating furnace is operative in relation to a predicted travel time of a theoretical control slab in the charge zone of the furnace and a predicted travel time of a theoretical control slab in the heat zone... | 09/16/1980 |
| 4209292 | Fluid storage and distribution arrangement mounted on rotary reactor An arrangement for storing and distributing a fluid on board a rotary reactor such as a rotary kiln. The application discloses a rotary reduction kiln for reducing a metallic oxide such as iron oxide to a lower state of oxidation. A liquid hydrocarbon is ... | 06/24/1980 |
| 4208181 | Liquid metering and distribution arrangement for rotary reactor Flow control valves are mounted with corresponding axial rows of nozzles about the periphery of a rotary kiln. A metering cylinder is mounted on the kiln and rotates therewith. A piston member is moveable in the metering cylinder in alternately opposite d... | 06/17/1980 |
| 4192489 | Control system for an installation utilizing pressure energy of outgoing blast-furnace gas The control system according to the invention has a number of control units, namely: a control unit for checking the installation for start-up readiness, a control unit for starting the installation, a control unit for synchronizing the electric-generator... | 03/11/1980 |
| 4148601 | Flexible cam system for actuating mechanisms mounted on a revolving assembly A flexible cam system characterized by the use of flexible guide tracks provided with balance weights attached thereto. The guide tracks are connected to a supporting frame through regulating drive mechanisms provided therefor and mounted on opposite side... | 04/10/1979 |
| 4083677 | Method and apparatus for heating a furnace chamber The method for heating the furnace chamber produces high momentum levels during the heat treating cycle so as to obtain substantially uniform temperature throughout the charge. The method includes initially firing a plurality of high velocity burners at s... | 04/11/1978 |
| 4070149 | Controllable distribution system for rotary kiln Apparatus for controlling the delivery of fuel and air to a rotary reduction kiln wherein both the fuel and air flow through the same fluid distribution nozzle. Separate fuel and air valves control the flow through the nozzles. Two separate means are prov... | 01/24/1978 |
| 3945624 | Reduction kiln having a controllable distribution system A process and apparatus are disclosed for delivering fuel and air to a rotary reduction kiln wherein both the fuel and air alternately flow through the same fluid distribution nozzle. Means are provided about the kiln for operating means to alternately de... | 03/23/1976 |
