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| Number | Title | Issue Date |
| 8157561 | System for controlling atmosphere gas inside furnace A system for controlling atmospheric gas inside a furnace may include a furnace into which an atmospheric gas is charged for thermaltreating carbon steel, a flow control portion that is connected to the furnace for controlling the flow of the atmospheric gas, a gas ... | 04/17/2012 |
| 7600997 | Method for increasing the throughput of packages in rotary tubular kiln apparatus In a method for increasing the throughput of packages of waste material of a high caloric value of rotary kiln plants which include a rotary tube with a combustion chamber and a post combustion chamber to which the combustion gases from the rotary tube are supplied ... | 10/13/2009 |
| 7245985 | Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds A process for curing a natural or synthetic rubber compound under a plurality of curing conditions by: (1) obtaining time dependent data streams of dielectric or impedance values from a non-bridged impedance sensing circuit and a capacitor having the rubber compound... | 07/17/2007 |
| 6907680 | Method for drying laundry and machine implementing such a method Method for drying laundry and a machine able to implement such a method, which provides for the use of only one electric resistance for heating the air utilized for drying purposes. According to the invention, during the starting phase of the drying process, ... | 06/21/2005 |
| 6875014 | Method for monitoring a combustion process, and corresponding device In a method for monitoring a combustion process, in which, in a oven, a substance arranged in a bed of the oven is converted under the supply of heat by way of firing by a flame, data of the flame and/or the substance in the bed being recorded by way of at least one... | 04/05/2005 |
| 6790034 | Kiln plant control system A controller for a kiln plant, typically a cement plant, has a thermodynamic controller which measures a number of variables including the kiln hood temperature and one or more output gas concentrations, and controls the fuel input to the kiln to maintain the hood t... | 09/14/2004 |
| 6713437 | Pressure heat treatment apparatus employed for preparing oxide superconducting wire The method of preparing an oxide superconducting wire comprises steps of preparing a wire by coating raw material powder for a Bi—Pb—Sr—Ca—Cu—O based oxide superconductor including a 2223 phase with a metal and heat treating the wire in a pressurized atmos... | 03/30/2004 |
| 6641963 | System and method for in situ control of post exposure bake time and temperature A system for regulating temperature of a post exposure baking process is provided. The system includes one or more light sources, each light source directing light to one or more gratings being baked and hardened on a wafer. Light reflected from the grati... | 11/04/2003 |
| 6622645 | Combustion optimization with inferential sensor A method and system for combustion of fuel in a boiler in which flue gasses are produced. The boiler includes a source of fuel, a source of air, and a controller for controlling the ratio of the source of air and the source of fuel inputted into the boile... | 09/23/2003 |
| 6609906 | Adjustable ratio control system and method Systems and methods for performing adjustable ratio control for a furnace with a plurality of workpieces located within a furnace and a sensor for determining the temperature of each of the workpieces. Adjustable ratio control is performed by controlling ... | 08/26/2003 |
| 6540957 | Ladle, a ladle heating system and methods of heating the ladle A ladle after teeming for a continuous casting and a subsequent slag discharge is mounted on a ladle truck and then moved by the ladle truck to a tapping station. The ladle on the ladle truck is then stationed over a predetermined stand-by time and is the... | 04/01/2003 |
| 6454562 | Oxy-boost control in furnaces A process controls oxy-boost firing and air-fuel burner firing in furnaces, including large glass furnaces such as float furnaces. The large side-fired regenerative float furnaces use oxy-boost firing for a variety of reasons, including production increas... | 09/24/2002 |
| 6332909 | Processing apparatus, processing system and processing method A processing apparatus capable of separating and recovering resins and metals, respectively, from an object being processed, which has resins and metals as its constituent, comprises a first gastight area (102), in which temperature and pressure are regul... | 12/25/2001 |
| 6276929 | Method for controlling kiln pressure A method for controlling kiln pressure for a shuttle kiln having an exhaust gas fan and an exhaust gas damper in an exhaust gas passage includes the steps of performing a control operation for controlling the number of revolution of the exhaust gas fan to... | 08/21/2001 |
| 6183244 | Control of cement clinker production in a wet process rotary kiln by analysis of sulfur in the end product An apparatus for producing cement clinker using a high sulfur fuel includes a wet rotary kiln, at least one sulfur analyzer, a controller, and a burner. The wet rotary kiln has a first end and a second end and processes a slurry of a raw material mixed wi... | 02/06/2001 |
| 6168064 | Method and apparatus for controlling a time/temperature profile of a reflow oven The present invention relates to controls for a multi-zone reflow oven. In the present invention a plurality of infra red thermal scanners are located at critical points along the path which a substrate passes in a reflow oven so as to generate an actual ... | 01/02/2001 |
| 6142771 | Control of cement clinker production using high sulfur fuel in a Lelep-Lepol travelling grate rotary kiln by analysis of sulfur in the end product A method of producing cement clinker using a high sulfur fuel includes introducing raw material into a Lelep-Lepol travelling grate; drying and heating the raw material in the Lelep-Lepol travelling grate while passing the raw material through the Lelep-L... | 11/07/2000 |
| 6079122 | Weighing dryer A dryer is provided which is adapted to receive and dry polymeric material. The dryer comprises a support structure, a drying hopper assembly, a polymeric material supply device and a controller. The drying hopper assembly includes a drying hopper having ... | 06/27/2000 |
| 6074203 | Method for supplying gas to a chamber and method for regulating the content of a given element in the atmosphere of such a chamber The invention relates to a process for supplying gas to a chamber which is supplied via a supply network which includes at least one primary line connected in its upstream part to a supply of the said gas, and at least two respective secondary lines conne... | 06/13/2000 |
| 5971286 | Method for the determination of the gas flux distribution in a blast furnace This invention relates to a method for the determination of the gas flux distribution in the shaft of a blast furnace. The invention is characterized in that: the temperature and optionally also the composition of the gas that has passed through the burde... | 10/26/1999 |
| 5779467 | Method and apparatus for preheating particulate material A preheating apparatus for particulate material includes a plurality of vertical chambers, a temperature sensor within each chamber and a particulate discharge mechanism. Each chamber is segregated from an adjacent chamber by a vertical wall and includes ... | 07/14/1998 |
| 5707444 | Method for controlling the temperature in a kiln A method and apparatus for controlling the temperature in a kiln in which cement clinker is manufactured. The temperature is controlled by controlling the fuel rate to the kiln. The fuel rate is adjusted according to a calculation that is made of the sulp... | 01/13/1998 |
| 5630714 | Process for controlling combustion of burners in furnace and an apparatus therefor A process for controlling combustion of burners arranged in a plurality of respective control zones divided in a furnace, includes the step of repeating a cycle of successively subjecting the burners to combustion for a short time. At least one temperatur... | 05/20/1997 |
| 5584934 | Method and apparatus for preventing distortion of horizontal quartz tube caused by high temperature The present invention relates to an improved equipment in semiconductor processing. The invention includes a horizontal quartz tube surrounded with heating element for processing wafers, an inlet pipe of a gas injector mounted at the center of the closed ... | 12/17/1996 |
| 5576739 | Carbon monoxide safety system Described is a system for measuring noxious gas concentration in an affected space and for controlling the device producing the noxious gas or for decreasing the concentration of the gas in the affected space. The invention is particularly described in re... | 11/19/1996 |
| 5451255 | Method for improved manufacture of cement in long kilns The present invention is directed to a method and apparatus for controlling the kiln gas stream in a conventional long wet or dry process cement kiln. A portion of the kiln gas stream can be withdrawn from the rotary kiln vessel at a point upstream, relat... | 09/19/1995 |
| 5400358 | Continuous scrap preheating A method and apparatus for reducing the production or emission of noxious gases while continuously preheating a mixture of iron-bearing scrap charge materials for an electric steelmaking furnace operation with off-gas from, the furnace, including provisio... | 03/21/1995 |
| 5231645 | Method of controlling continuous carburization furnace In the continuous carburization furnace in which the temperature of the heaters can be controlled individually at every carburization processing position; carburization reference data at each carburization processing position is read; a temperature and ca... | 07/27/1993 |
| 5160259 | Draft control method and apparatus for material processing plants A draft control for material processing apparatus, such as asphalt plants, having a chamber through which material to be processed is passed for contact with combustion gases and heat originating in a fuel supplied burner which may require a draft to draw... | 11/03/1992 |
| 5060572 | Continuous drier on rotary offset printing presses and operation of such a drier during the printing and cylinder washing processes with the web running A continuous drier for drying a printed web on web-fed rotary printing presses operates during ongoing printing and blanket washing processes with control of the gaseous and vaporous constituents of the ink, solvent, and burner gases. An infrared beam pat... | 10/29/1991 |
| 4975047 | Oven provided with oxygen concentration controls A test oven wherein heated air having a predetermined temperature is supplied and the oxygen concentration in the supplied air is controlled. The test oven has a test oven body having an air supply port and an air discharge port, a blower connected to the... | 12/04/1990 |
| 4966348 | Method and apparatus for monitoring atmosphere in furnaces A method and apparatus for operating a rotary retort heat treating furnace involves incorporating an outlet for withdrawing furnace atmosphere from the retort above the axis of rotation and conveying the withdrawn gas remotely form measurement at the temp... | 10/30/1990 |
| 4920998 | Method and apparatus for controlling flow bias in a multiple zone process The present invention provides a method and apparatus for controlling the fluid flow bias of continuous, multiple zone processes having gas or vapor comprising atmospheres that are in immediate access to each other. Active control of the fluid flow bias i... | 05/01/1990 |
| 4852799 | Weatherized, baffled, gas filtered, semi-automatic heating system for a poultry house or the like This invention discloses a heating and cooling system for buildings, such as poultry buildings, that provides clean, filtered gas fuel, efficiently burns gas fuel by providing adjustable airflow profile plates that blocks cold air from reaching the inside... | 08/01/1989 |
| 4781358 | Apparatus for monitoring an article in sintering furnace An apparatus for measuring and regulating the variable pressure furnace gas chemistry is described. The apparatus uses a mass spectrometer for measurements, in the preferred form of the invention, in which gas species percent composition is obtained quant... | 11/01/1988 |
| 4751886 | Smokeless pyrolysis furnace with ramp and soak temperature control system A batch-type pyrolysis furnace fired by a main heat source such as a gas burner or an electric heating coil in combination with an afterburner to burn volatiles generated in the furnace's main chamber, is operated to incinerate high-polymer loads smokeles... | 06/21/1988 |
| 4723908 | Dielectric probe; method and apparatus including its use A dielectric probe for use with conventional frequency and time domain impedance analyzers comprises two chemically resistant electrodes deposited in an interdigitated pectinate configuration on particular non-conductive substrates, the spaces between the... | 02/09/1988 |
| 4718643 | Method and apparatus for rapid high temperature ladle preheating This invention relates to ladle heating methods and apparatus. More particularly, this invention pertains to rapid high temperature ladle preheating utilizing an optimized heating cycle by involving oxygen and combustion air preheated by recuperation in t... | 01/12/1988 |
| 4657507 | Heating control method of heat furnace In heating control method of a heat furnace, three non-linear models, model to calculate furnace temperature based on the fuel flow rate by unsteady heat balance system, model to estimate furnace wall temperature distribution based on the furnace temperat... | 04/14/1987 |
| 4649834 | Temperature control system for pyrolysis furnace A batch-type pyrolysis furnace fired by a main gas burner and an afterburner, is effectively safeguarded from explosions and runaway fires due to an undue build-up of flammable vapors within its main chamber, by the simple expedient of maintaining a fire ... | 03/17/1987 |
