| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 432019000 | Controlling flame position or work atmosphere | 30 |
| 20080241779 | Continuous-atmosphere high-temperature furnace apparatus, method of continuous production of nanocarbon, and method of burning and graphitizing nano-material - A continuous-atmosphere high-temperature furnace apparatus comprises a high-temperature furnace section, a mechanism for continuously supplying substrates or samples to the high-temperature furnace section, and a mechanism for continuously discharging treated substrates or samples from the high-temperature furnace section. Gas is exhausted from the high-temperature furnace section and ambient gas is supplied thereto for reaction to produce carbon materials and various other nanomaterials or to burn and graphitize the nanomaterials. The substrates or samples are sequentially moved for heat treatment, thereby improving the work efficiency of the high-temperature furnace. | 10-02-2008 |
| 20110008741 | HOT ISOSTATIC PRESSING ARRANGEMENT - In an aspect of at least one embodiment of the invention, there is provided a hot isostatic pressing arrangement for treatment of articles by hot isostatic pressing. The arrangement includes a pressure vessel including a furnace chamber including a heat insulated casing and a furnace for heating of a pressure medium during pressing, and a ‘heat exchanger unit’ or heat absorbing material located below the furnace chamber. In another aspect of at least one embodiment of the invention, there is provided a method for treatment of articles in a hot isostatic press. The press further includes a pressure vessel enclosing a furnace chamber and a ‘heat exchanger unit’. The method includes the steps of loading the articles into the furnace chamber, performing pressurized and heated treatment of the articles, cooling the articles and unloading of the articles. All the steps are performed while the ‘heat exchanger unit’ remains located inside the pressure vessel. Heat is transferred to and from the ‘heat exchanger unit’ at different portions of the hot isostatic pressing cycle. | 01-13-2011 |
| 20110269086 | CHAMBER FURNACE WITH OVERTEMPERATURE - In a method of heating a structure, an interior space of a furnace is heated to an interior temperature which is greater than a desired temperature to which a structure is intended to be heated. The structure is then placed into the furnace while the interior space is at least at the interior temperature at all times. When the structure has been heated to the desired temperature, it can be removed from the furnace at the desired temperature which is lower than the interior furnace temperature. | 11-03-2011 |
| 20120202161 | System and Method for Controlling Temperature in a Forehearth - Systems and methods are provided for controlling temperature in a glass forehearth. In one implementation, a system includes at least one burner disposed in said forehearth, a manifold coupled to said burner, a combustion fuel supply coupled to said burner, a combustion air blower for delivering ambient air under pressure to said manifold, and a controller coupled to said burner for controlling operation of said burner. The system may include a temperature sensor operatively coupled downstream of the blower for providing to the controller a temperature signal indicative of temperature of air delivered to the manifold by the blower. The controller may be responsive to the temperature signal for controlling operation of the burner as a function of current temperature of air fed to the manifold. Operation of the burner may also be controlled as a function of an average air temperature over a preceding time duration. | 08-09-2012 |
| 20120214114 | METHOD FOR COMPENSATING FLUE GAS ENTHALPY LOSSES OF HEAT-RECOVERY COKE OVENS - A method for compensating flue gas enthalpy losses of heat-recovery coke ovens, having a coke oven bank, connected to one or more boilers by one or more a flue gas channels. The operation of the coke oven chambers is periodically interrupted, during which time the coke cake is removed, and the individual coke oven chambers are kept hot during the interruption of the operation by an an externally fired additional burner providing hot flue gas. The resulting heat flow remains the same in comparison to the normal operation. In this way, the boilers, which are typically used to produce steam, can be operated economically. | 08-23-2012 |
| 20120282564 | METHODS FOR REDUCING NOx IN SCR FOSSIL-FUEL FIRED BOILERS - A method for reducing NO | 11-08-2012 |
| 20130203004 | METHOD FOR INCREASING THE TEMPERATURE HOMOGENEITY IN A PIT FURNACE - A method for increasing temperature homogeneity in a pit furnace wherein at least one ingot to be heated leans against an inner wall of the pit furnace for providing a space having a triangular cross-section under the ingot between the ingot and the inner wall includes arranging at least one lance for an oxidant with an oxygen content of at least 85 percent by weight so that its orifice is arranged inside the furnace for supplying the oxidant to the space. | 08-08-2013 |
| 20130236845 | GRADUAL OXIDATION WITH HEAT CONTROL - Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature within the reaction chamber that is above an autoignition temperature of the gas. The reaction chamber may also be configured to maintain a reaction temperature within the reaction chamber below a flameout temperature. In some embodiments, heat and product gases from the oxidation process can be used, for example, to drive a turbine, reciprocating engine, and injected back into the reaction chamber. | 09-12-2013 |
| 20150024331 | ELECTRIC FIELD CONTROL OF TWO OR MORE RESPONSES IN A COMBUSTION SYSTEM - A combustion system may include a plurality of heated volume portions. At least two of the plurality of heated volume portions may include corresponding respective electrodes. The electrodes may be driven to produce respective electric fields in their respective volumes. The electric fields may be configured to drive desired respective responses. | 01-22-2015 |
| 432020000 | Providing flame or high luminosity | 2 |
| 20130323661 | LONG FLAME PROCESS HEATER - A flame used to heat a process material may be extended or otherwise shaped by the application of voltages using electrodes. | 12-05-2013 |
| 20140113240 | MULTI-FLAME BURNER AND METHOD FOR HEATING A WORKPIECE - A multi-flame burner includes burner heads which are set up to generate at least one burner flame directed along a respective flame axis when supplied with a fuel, wherein the flame axes of respectively adjacent burner heads are inclined relative to each other. A method for preheating a workpiece, in particular a pipe or large-diameter pipe, is provided. | 04-24-2014 |
| 432021000 | Including recycling work atmosphere | 1 |
| 20140099589 | OVEN WITH RECIRCULATION OF COMBUSTION EXHAUST GASES - An oven includes a cooking chamber, a gas-fired heat exchanger external of the cooking chamber and a flow path for circulating air from the cooking chamber past the heat exchanger to pick-up heat and then back to the cooking chamber under operation of a blower. A first combustion path gas flow path runs from the heat exchanger to an exhaust system for delivering combustion path gases away from the oven, and a second combustion path gas flow path runs from the heat exchanger to the cooking chamber for delivering combustion path gases into the cooking chamber. A control arrangement is configured to selectively control the flow of combustion path gases along at least one of the first combustion gas flow path or the second combustion gas flow path. | 04-10-2014 |
| 432022000 | Establishing strata, layer or curtain | 1 |
| 20120178037 | ROLLER SEALING DEVICE AND GAS-SEALING METHOD THEREOF - A roller sealing device arranged at an access port of a continuous furnace for adapting a continuous processed planar processed material. The rolling device includes a pair of first roller carriers arranged correspondingly opposite to each other, each having a first roller assembly. Each first roller carrier includes a first sealing roller and two first auxiliary rollers; the first sealing roller and two first auxiliary rollers are pivoted to a respective one of the first roller carriers; the two first auxiliary rollers are located between the first sealing roller and the corresponding first roller carrier. The first auxiliary rollers rollingly abut against the first sealing roller and the corresponding first roller carrier. Therefore, the roller sealing device is sealed well so as to prevent the gas from leakage. The present invention further provides a gas-sealing method. | 07-12-2012 |
| 432023000 | Establishing or maintaining composition of atmosphere bathing work | 9 |
| 20090176180 | HYDROGEN FURNACE SYSTEM AND METHOD - Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined threshold. Hydrogen is pumped from the gas outlet to the gas inlet with an electrochemical hydrogen pump. The electrochemical hydrogen pump has a first electrode in fluid communication with the gas outlet, and a second electrode in fluid communication with the gas inlet. An electrical potential is provided between the first and second electrodes, wherein the first electrode has a higher electrical potential with respect to zero than the second electrode. Various methods, features and system configurations are discussed. | 07-09-2009 |
| 20100151399 | DEVICE AND METHOD FOR AUTOGENOUS PROCESSES - In order to improve an enveloping gas device ( | 06-17-2010 |
| 20120276494 | Method and Industrial Furnace for Using a Residual Protective Gas as a Heating Gas - In order to increase energy efficiency in an industrial furnace ( | 11-01-2012 |
| 20130029279 | Dental Oven - A dental oven comprising a firing chamber for the heat treatment of dental restoration parts. The firing chamber is connected to a negative pressure source via a suction line. A valve arrangement is located between the firing chamber and the suction line with the aid of which the suction line is closable towards the firing chamber in order to maintain a negative pressure in the firing chamber. The suction line between the valve arrangement and the negative pressure source is ventilatable via an ambient air connection. | 01-31-2013 |
| 20140134556 | HYDROGEN FURNACE SYSTEM AND METHOD - Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined threshold. Hydrogen is pumped from the gas outlet to the gas inlet with an electrochemical hydrogen pump. The electrochemical hydrogen pump has a first electrode in fluid communication with the gas outlet, and a second electrode in fluid communication with the gas inlet. An electrical potential is provided between the first and second electrodes, wherein the first electrode has a higher electrical potential with respect to zero than the second electrode. Various methods, features and system configurations are discussed. | 05-15-2014 |
| 20140255859 | DEVICE AND METHOD FOR AUTOGENOUS PROCESSES - In order to improve an enveloping gas device for transporting at least one enveloping gas that is allocated to at least one burner head or at least one nozzle of a device for working or processing at least one component or workpiece by autogenous processes, so that a reduction of the contaminant concentration, particularly the concentration of nitrogen oxides (NO | 09-11-2014 |
| 20150017594 | BURNING APPARATUS FOR A SOLID WOOD FUELED PROCESS HEATING SYSTEM - A burner apparatus ( | 01-15-2015 |
| 20150072297 | Method for Heating an Industrial Furnace and a Heating Apparatus for Carrying Out Said Method - The invention relates to a method for heating an industrial furnace, wherein, apart from heating gas, a combustible process gas is also fed to a burner arrangement ( | 03-12-2015 |
| 20150147709 | HEAT TREATMENT METHOD, HEAT-TREATING FURNACE, AND HEAT TREATMENT SYSTEM - A work is subjected to a heat treatment in a heat-treating furnace. First, the work is carried into the heat-treating furnace. The work in the heat-treating furnace is immersed in a heat source solvent. In the heat-treating furnace, a superheated steam atmosphere is formed. The work is exposed in the heat-treating furnace under the superheated steam atmosphere. Then, the work is carried out of the heat-treating furnace. | 05-28-2015 |
| 432024000 | Modulating or stabilizing pressure or temperature | 7 |
| 20090176181 | SYSTEM AND METHOD OF IMPROVED PRESSURE CONTROL IN HORIZONTAL DIFFUSION FURNACE SCAVENGER SYSTEM FOR CONTROLLING SILICON OXIDE GROWTH - The present invention relates generally to semiconductor wafer fabrication and more particularly but not exclusively to advanced process control methodologies for controlling oxide formation using pressure. The present invention, in one or more implementations, includes a pressure stabilization system to dynamically adjust scavenger pressure in a furnace during wafer fabrication in relation to a pressure formation range, value, or one or more pressure indicators in a wafer fabrication process. | 07-09-2009 |
| 20090186311 | SEAL STRUCTURE, COOLING TREATMENT APPARATUS, MULTI-CHAMBER HEAT TREATMENT APPARATUS, PRESSURE REGULATING METHOD, OPERATING METHOD - This shaft seal structure has at a fitting portion between a container wall of a pressurized container in which high pressure gas is enclosed and a rotating shaft that passes through the container wall: O-rings that are disposed at least two locations in the axial direction of the rotating shaft; and grease that is pressurized. | 07-23-2009 |
| 20120064469 | VERTICAL-TYPE HEAT TREATMENT APPARATUS, AND CONTROL METHOD FOR SAME - A heat treatment apparatus and control method enabling the apparatus to settle down the internal temperature of a treating vessel to a target temperature accurately and quickly. The apparatus includes a furnace body with a heater on an inner circumferential surface thereof, a treating vessel disposed inside the furnace body, a cooling medium supply blower and cooling medium release blower connected to the furnace body, and a temperature sensor provided inside the treating vessel. A signal from the temperature sensor is sent to a heater output computing unit of a controller. The computing unit determines a heater output level to be obtained during temperature regulation with the heater only, the heater output level being based on a preset temperature that has been determined by a temperature determining unit and temperature detected by the temperature sensor. A blower output computing unit activates blower output based on the heater output level. | 03-15-2012 |
| 20130209948 | METHOD FOR INCREASING THE TEMPERATURE HOMOGENEITY IN A PIT FURNACE - A method for increasing temperature homogeneity in a pit furnace wherein at least two ingots to be heated lean against a respective one of first and second opposite inner walls of the pit furnace to form an elongated space having a V-shaped cross-section between them includes arranging at least one lance for an oxidant with an oxygen content of at least 85 percent by weight and at least one lance for fuel in a furnace wall with their orifices opening into the furnace at a distance from each other for supplying the oxidant and fuel to said V-shaped space to be combustible therein, wherein the orifice of the oxidant lance is arranged above the orifice of the fuel lance and is directed for the oxidant to flow obliquely downwards and along a longitudinal direction of said V-shaped space. | 08-15-2013 |
| 20140255860 | MONITORING METHOD - The invention relates to a method for monitoring an operating status of an anode furnace, wherein the anode furnace is formed from a plurality of heating ducts ( | 09-11-2014 |
| 20140272745 | COMBINED FAN AND EJECTOR COOLING - A pressing arrangement for treatment of articles by hot pressing includes a pressure vessel including a furnace chamber and a furnace to hold the articles. A fan circulates a pressure medium within the furnace chamber, and enhances an inner convection loop at a load compartment. The inner convection loop pressure medium has an upward flow through the load compartment, and a downward flow along a peripheral portion of the furnace chamber. A flow generator generates a flow of pressure medium into the load compartment downstream the fan to enhance the inner convection loop. The flow is generated by transporting the pressure medium upwards from a space below a bottom insulating portion and above a bottom end portion, and by injecting the pressure medium into the load compartment downstream the fan to enhance the inner convection loop. | 09-18-2014 |
| 20150079528 | PRESSING ARRANGEMENT FOR TREATING SUBSTANCES - The present invention relates to a pressing arrangement for treatment of articles by hot pressing and in particular to a pressing arrangement for hot isostatic pressing of containers holding substances. The method comprises: placing containers including the substance in a load compartment in the furnace and loading a pressure medium into the pressure vessel and substantially all pressure medium flowing out from the furnace chamber ( | 03-19-2015 |
| 432025000 | Providing pulsed or periodically reversed atmosphere | 1 |
| 20120021367 | Alternating Regenerative Furnace and Process of Operating Same - Alternating regenerative furnace and process of operating an alternating regenerative furnace, in which during the transition phase in which the respective regenerators switch between heat-recovery mode and pre-heating mode and vice-versa, the regenerator or regenerators which before the transition phase were in heat-recovery mode inject a mixture of flue gas and oxygen-containing gas into the combustion chamber of the furnace, which mixture combusts with fuel injected into the combustion chamber to produce heat. | 01-26-2012 |
