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| Number | Title | Issue Date |
| 8087930 | Heating method Hot products of combustion are provided beside an outer surface of a load to be heated, and are given a non-uniform temperature profile in a control direction extending across the outer surface of the load. The non-uniform temperature profile of the hot products of ... | 01/03/2012 |
| 7357632 | Automated wood-fired pottery kiln A kiln and method of firing a kiln are provided for use in connection with the firing of small-scale pottery firing. The kiln includes a kiln wall that defines a main kiln volume that is no larger than 60 cubic feet and is less than 10 cubic feet in one embodiment. ... | 04/15/2008 |
| 7284980 | Continuous firing furnace, manufacturing method of porous ceramic member using the same, porous ceramic member, and ceramic honeycomb filter A continuous firing furnace of the present invention comprises: a muffle formed into a cylindrical shape so as to ensure a predetermined space; a plurality of heat generators placed at the peripheral direction from the muffle; and a heat insulating layer formed in a... | 10/23/2007 |
| 7204209 | Lance for injecting fluids for uniform diffusion within a volume An injection lance for injecting a fluid over a predefined target area within a system includes a support block with an inlet side and an outlet side. A plurality of channels are disposed non-parallel with respect to each other within the support block and extend be... | 04/17/2007 |
| 7172412 | Pyrolysis heater A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which includes staged combustion low NOx hearth burners firing upwardly in the firebox adjacent to the walls. Wall stabil... | 02/06/2007 |
| 6644962 | Heating furnace having heat regenerating burners and operation method thereof A method of controlling a furnace pressure for preventing air from intruding to a heating furnace, a method of stable operation during low combustion load of heat regenerating burners and a method of measuring concentration of an atmospheric gas in a heat... | 11/11/2003 |
| 6572369 | Tunnel kiln, and burner for use in a tunnel kiln A tunnel kiln useful for burning vertically perforated green bricks, includes a furnace chamber; a plurality of tubular burners for heating the furnace chamber, with the burners defined by longitudinal axes which extend essentially in a vertical direction... | 06/03/2003 |
| 6464430 | Soil decontamination apparatus and method A soil decontamination apparatus includes a pug mill with twin, side-by-side augers or shafts with paddles moving the soil along a treatment path. A roof over the pug mill includes burners directing flames toward the soil as it is moved through the device... | 10/15/2002 |
| 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 |
| 6425757 | Pyrolysis heater with paired burner zoned firing system A pyrolysis heater has the inlet sections of the process coils grouped together and the outlet sections of these same process coils also grouped together. High heat liberation hearth burners are located adjacent to the inlet sections of the coils and lowe... | 07/30/2002 |
| 6350118 | Combustion assembly for a furnace and method of use Combustion assembly adapted to be placed in a wall of a furnace including an axis having at least one pair of burners with axes, one oxidant lance arranged between the burners of the pair and having a lance axis and a source of oxidant connected to the bu... | 02/26/2002 |
| 6334770 | Fluid-fuel furnace burner for iron and steel products A fluid-fuel burner of the type producing a flame with axial development, which includes a combustion tile, having a broad shape, provided with an oxidizer and fuel injection orifices. These are approximately parallel to the major axis of symmetry of the ... | 01/01/2002 |
| 6203314 | Combustion assembly for a furnace and method of use Combustion assembly adapted to be placed in a wall of a furnace including an axis having at least one pair of burners with axes, one oxidant lance arranged between the burners of the pair and having a lance axis and a source of oxidant connected to the bu... | 03/20/2001 |
| 6113386 | Method and apparatus for uniformly heating a furnace A method and apparatus is disclosed for heating metal billets or other separate pieces of metal in a continuous furnace using two different burner systems. The primary burner system provides the majority of available heat at relatively high flame temperat... | 09/05/2000 |
| 5906485 | Tunnel-type conveyor oven having two types of heat sources A tunnel-type conveyor oven having two types of heat sources is provided. The oven includes a conveyor for carrying items through the oven along a conveyor path. The conveyor has first and second opposite sides. A plurality of radiant heaters are located ... | 05/25/1999 |
| 5842854 | Infrared heating system and metering element A radiant heating system 30 comprising a tube 34 for radiating heat having a vacuum pump 40 coupled to an upstream end 35 for introducing negative pressure therein, a plurality of burner assemblies 32 mounted in series along a length thereof for igniting ... | 12/01/1998 |
| 5697777 | Curing device A curing device for drying bonding material used for bonding, for example, chips to a lead frame for semiconductor devices including a workpiece heating chamber casing having heating blocks for heat-drying the bonding material and a gas supply chamber cas... | 12/16/1997 |
| 5695330 | Method and apparatus for curing paint on a surface A means for curing heat-curable paint on vehicle panels includes an elongate pipe defining an internal combustion chamber with a fuel burner at one end of the pipe and means for removing combustion products from the other end of the pipe. The pipe is clam... | 12/09/1997 |
| 5595481 | Temperature control method for heating kiln A method for controlling temperature in a heating kiln is able to maintain the temperature uniformly at a set temperature of the kiln. Output of each burner provided in the kiln is controlled on the basis of temperatures at plural positions affected by pl... | 01/21/1997 |
| 5588830 | Combined radiant and convection heating oven A combined radiant and convection oven controls the rate at which heat is transferred to an object being dried within the oven by varying the flow rate of convection air delivered to the oven's heating chamber. The radiating surfaces within the oven are h... | 12/31/1996 |
| 5295822 | Convective heat transfer by cascading jet impingement in a batch coil annealling furnace An improved convective heat transfer arrangement is disclosed achieving overall heat transfer efficiencies in the neighborhood of 30 Btu/(hr. ft2 °F.). A heat transfer conduit including a heat transfer wall is axially divided into a plurality ... | 03/22/1994 |
| 5154604 | Curing apparatus A curing apparatus used in manufacturing semiconductor devices including high-temperature gas chamber and heating chamber communicated with slits formed in a partition plate installed between the two chambers. Gas diffusion plates are installed in the gas... | 10/13/1992 |
| 4936771 | Skid mark erasure system The invention is directed to an arrangement of high thrust burners with control systems for a heating furnace which heat metal or similar product, in order to erase developing cold skid marks. The location of these burners is specified, transversely and l... | 06/26/1990 |
| 4913651 | Burner unit for firing furnace A burner unit is used for firing, for example, formed ceramic bodies in a firing furnace. The burner unit includes a burner tile assembly provided in a furnace wall and a burner connected to the burner tile assembly and provided out of the firing furnace.... | 04/03/1990 |
| 4909728 | Combustion apparatus A burner includes a number of flame ports each having a fuel supply passage and provided on a pair of opposite walls of a combustion chamber such that each of the walls and the fuel supply passages define a cooling passage. In the burner, a wide stable fl... | 03/20/1990 |
| 4884967 | Steel reheating furnace A steel reheating furnace is characterized by a plurality of elongated, longitudinally extending, heating elements and associated skid rails, the skid rails having primary portions laterally offset with the portions supporting respective of laterally offs... | 12/05/1989 |
| 4854863 | Convective heat transfer within an industrial heat treating furnace An improved heat transfer arrangement for use in a unique multi-function, industrial heat treat furnace which employs a sealed, closed end, heat exchanger shell member containing the work. The heat transfer arrangement includes a totally contained, intern... | 08/08/1989 |
| 4830610 | High temperature convection furnace A fuel fired heat treating furnace having an imperforate inner shell for containing a work load in isolation. The shell is made of a refractory material which provides a good heat exchange from the outside to the inside. A multiplicity of hot gas streams ... | 05/16/1989 |
| 4722683 | Rethermalization oven A rethermalization oven for heating food is disclosed, characterized by uniform distribution of heat and air through a heating chamber. The oven includes a housing and partitions for defining an outer U-shaped air plenum, a rectangular heating chamber, an... | 02/02/1988 |
| 4634368 | Apparatus for improving the surface characteristics of waxy materials An apparatus and method for improving the surface characteristics of wax-based material such as a deodorant or anti-perspirant stick housed in a container is provided. The apparatus comprises a hollow walled housing having an inlet and outlet portion. A p... | 01/06/1987 |
| 4588378 | Continuous heat treating furnace for metallic strip A continuous heat treating furnace in which independent sectioned chambers are provided at least in part of a pre-heating/pre-cooling zone in the furnace body, with a cooler or heater being provided in suction ducts of the sectioned chambers so as to rapi... | 05/13/1986 |
| 4551093 | Production of a solid stick in a container A solid stick composition, in a container, is moved through a protective tunnel wherein the stick is cooled to effect solidification, remelted to fill any void in the stick, cooled to solidify, and polished, by heating and cooling, with filtered air flowi... | 11/05/1985 |
| 4529379 | Cooking apparatus A cooking oven utilizing in combination, convection, radiant, and pregnation heating. The apparatus includes a cooking compartment positioned between combustion chambers that provide spaced apart confronting heating surfaces which provide radiant heating,... | 07/16/1985 |
| 4514167 | Oven heating system A conveyor is driven in a helical endless fashion within a horizontally annular baking chamber while carrying products to be baked. The air within the chamber is heated by means of burners disposed beneath the conveyor and in non-parallel relationship the... | 04/30/1985 |
| 4482314 | Method for heating carbon blanks Manufacturing of carbon bodies by heating blanks containing pyrolizable substances in a chamber over in which volatile pyrolysis products are formed and decomposed and thermal energy is generated by combustion of fluid fuels inside the chamber. Below a ch... | 11/13/1984 |
| 4453915 | Method and apparatus for underfiring oil country tube reheat furnaces The improvement in a walking beam oil country tube reheat furnace comprises a first row of burners positioned in spaced relationship and transverse the furnace hearth with each of the burners containing a refractory housing positioned in the limited space... | 06/12/1984 |
| 4444558 | System for heating broadwise-end portions of metal material System for heating the broadwise-end portions of a metal plate in conveyance. The system includes a pair of heater blocks spaced apart from each other with the conveyance line for the material located therebetween. The heater blocks each have a space to r... | 04/24/1984 |
| 4412814 | Apparatus and method for operating a brick kiln Heated waste gases are directed from the tunnel of a brick kiln into a dryer for effective drying of sawdust which is then fed from the dryer into a grinder which reduces the sawdust to finely divided wood fibers and then delivers the ground sawdust to a ... | 11/01/1983 |
| 4368036 | Kiln for firing ceramic workpieces In a kiln for firing ceramic workpieces, which kiln is composed of two opposed side walls and a top wall enclosing an elongate kiln chamber, and elements for introducing jets of heating or cooling gases into the kiln chamber at locations spaced along the ... | 01/11/1983 |
| 4345530 | Installation for burning-out scrap metal Disclosed is an installation for burning-out scrap metal goods for the purpose of reclaiming scrap metal, comprising at least one furnace wagon, which is capable of being loaded with the scrap metal goods to by burned out; at least one burning-out chamber... | 08/24/1982 |
