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| Number | Title | Issue Date |
| 7632093 | Pyrolysis furnace having gas flowing path controller Provided is a pyrolysis furnace having a gas flowing path controller with an improved structure. The pyrolysis furnace includes: a silicon substrate; a main body of the pyrolysis furnace; a heating unit that is formed around the main body and controls the temperatur... | 12/15/2009 |
| 7226284 | Method and apparatus for controlling a burning flame A method and apparatus for controlling a candle flame. A candle flame may be provided in a controllable environment, e.g., an enclosed area formed at least in part by an air-tight cover. Air may be forced into the enclosed area by an air movement device (e.g., a fan... | 06/05/2007 |
| 7204688 | Gas burner for dryer Gas burner for a dryer including a gas nozzle for receiving, and injecting gas, a mixing tube for mixing the gas injected from the gas nozzle and primary air, igniter fitted to an outlet of the mixing tube for igniting the gas mixed with the primary air coming out o... | 04/17/2007 |
| 7194963 | Ceramic fiber block reflector system The present invention utilizes radiation reflectors on the refractory wall of a fired furnace opposite the spaces between adjacent tubes. The refractory radiation reflectors have a base contiguous with the refractory surface and secured to a subjacent structure, and... | 03/27/2007 |
| 7172413 | Laundry dryer having gas combustion apparatus A gas combustion apparatus of a laundry dryer is provided, by which an initial ignition power is improved to enhance an ignition property. The gas combustion apparatus includes a gas supply; a mixing pipe, having a mixing passage extending from an inlet end to an ou... | 02/06/2007 |
| 7060164 | Double-fired processing furnace The present invention concerns a processing furnace used by the oil industry to heat feedstocks that are to be treated thermally, which is provided with bi-pivotal support columns to carry the radiation exchange tubes which form the coil of radiation exchange tubes.... | 06/13/2006 |
| 6951458 | Reactor combustion control method and reactor A reactor combustion control method using a high temperature air combustion technology capable of reducing a temperature difference in a reactor without producing cracking and caulking in reaction tubes and the reactor controlled by using the method, the reactor whe... | 10/04/2005 |
| 6887070 | Fired furnace operation and apparatus A method and apparatus for continuing the operation of a fuel fired furnace when the air supply from the blower to the furnace is interrupted by employing a combination of a ventilator and drop door, the ventilator having a power source independent of the blower. | 05/03/2005 |
| 6644963 | Batch-type kiln A novel batch-type kiln and a method of use thereof are provided. The kiln comprises a kiln body and a heating chamber disposed within the kiln body, which has a heater disposed therein. A table is disposed at the bottom of the heating chamber, the table ... | 11/11/2003 |
| 6450162 | Indirect radiant heating device An indirect radiant heating device burns gaseous or liquid fossil fuels for the heat treatment of running products, such as bars, tubes, and strips kept in a protective atmosphere. The device includes a radiant cassette of parallelepipedal shape, with a c... | 09/17/2002 |
| 6451248 | Pressurized molten metal holder furnace A bottom heated holder furnace (10) for containing a supply of molten metal includes a storage vessel (20) having sidewalls (22) and a bottom wall (24) defining a molten metal receiving chamber (26). A furnace insulating layer (32) lines the molten metal ... | 09/17/2002 |
| 6433318 | Electric heater assembly with in-line thermostat A heater having a frame supporting a heater element resistance wire and an in-line thermostat. The in-line thermostat has substantially flat connection terminals or terminals, each having a though hole. A substantially flat blade connects to each thermost... | 08/13/2002 |
| 6364658 | Partially studded radiant tubes The present invention utilizes extended surfaces, such as studs and fins, on a low-flux surface area of radiant heat transfer tubes in a fired furnace to more uniformly distribute heat flux. The invention increases the overall heat transfer of the tube by... | 04/02/2002 |
| 6328559 | Radiant heater apparatus for post-forming thin acrylic sheets A method and apparatus for post-forming an acrylic sheet using radiant heat are disclosed. The heating apparatus includes radiant heating tubes mounted to a frame and positioned in a heating plane. A support platform is also mounted to the frame. A heatin... | 12/11/2001 |
| 6321743 | Single-ended self-recuperated radiant tube annulus system A method and apparatus for combustion of a fuel and oxidant in which at least a portion of a fuel and at least a portion of an oxidant are introduced into an annular region formed by an outer tubular member closed off at one end and an inner tubular membe... | 11/27/2001 |
| 6217320 | Space heating appliances Radiant tube space heating appliance (FIG. 1) has radiation ducting 10 with one or more inline burners 16 in a branch or branches 12 upstream of common tailpipe 20. An exhuast fan 22 in the tailpipe draws heated gases thought the ducting. A power operated... | 04/17/2001 |
| 6168426 | Batch-type kiln A novel batch-type kiln and a method of use thereof are provided. The kiln comprises a kiln body and a heating chamber disposed within the kiln body, which has a heater disposed therein. A table is disposed at the bottom of the heating chamber, the table ... | 01/02/2001 |
| 6139315 | Recuperator for furnaces A recuperator for furnaces includes a set of tubes, which are installed in a secondary chamber (1) which is located behind a main combustion chamber of the furnace and through which hot fumes can pass from the main combustion chamber towards an outlet. Th... | 10/31/2000 |
| 6029647 | Recuperative radiant tube with hot side vitiation A radiant tube assembly comprises a radiant tube having a burner leg, an exhaust leg and a recuperator inside the exhaust leg and in a stream of products of combustion flowing in the exhaust leg. The recuperator has an air intake port at a first end and a... | 02/29/2000 |
| 6027333 | Radiant tube burner With respect to a radiant tube burner to be used for heating a heating furnace or the like, to suppress the generation of NOx accompanying combustion, to make the structure thereof fit for a radiant tube burner equipment, to simplify the control of a fuel... | 02/22/2000 |
| 6024083 | Radiant tube burner nozzle A nozzle for a recuperative radiant tube burner system is constructed to provide uniform combustion along the length of the inner tube. The nozzle includes combustion air ports disposed at compound angles and having different axial components to provide s... | 02/15/2000 |
| 6019598 | Air recuperator for combustion air burners A recuperator of simple design constructed from a hollow tube. A penetrating tube is formed of a hollow tube, preferably of stainless steel, closed at one end and open at the other end. The open end is cut and welded, or otherwise secured, to a perpendicu... | 02/01/2000 |
| 5945057 | Radiant heater and method of post-forming thin acrylic sheets A method and apparatus for post-forming an acrylic sheet using radiant heat are disclosed. The heating apparatus includes radiant heating tubes mounted to a frame and positioned in a heating plane. A support platform is also mounted to the frame. A heatin... | 08/31/1999 |
| 5931665 | Furnace for firing a glass-lined product A batch type furnace includes a furnace body, a floor being removably attachable to the furnace body for forming a furnace chamber, and radiant tubes being substantially and uniformly arranged in the furnace body and the floor. The radiant tubes are contr... | 08/03/1999 |
| 5927968 | Apparatus for continuous refractoryless calcining of gypsum A method and apparatus is disclosed for the continuous calcining of gypsum material in a high-efficiency, refractoryless kettle preferably heated by a multiple series of separate immersion tube burner coils, each coil operating within a specific calcining... | 07/27/1999 |
| 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 |
| 5820362 | Fluid control A furnace for heating a process fluid stream which includes means for efficiently controlling a flow of the process fluid stream through an adjunct loop of the fluid stream. The adjunct loop comprises a heat exchange system in which a portion of the proce... | 10/13/1998 |
| 5816796 | Flue gas control A furnace for heating a process fluid stream which includes means for precisely controlling the temperature of pre-heated combustion air. The system includes a process fluid stream being heated within the furnace and an adjunct loop fluid stream line whic... | 10/06/1998 |
| 5775317 | Recuperative radiant tube with hot side vitiation A radiant tube assembly includes a radiant tube having a burner leg with a burner therein, an exhaust leg and a connector leg. A recuperator is located inside the exhaust leg in a stream of products of combustion flowing through the exhaust leg. The recup... | 07/07/1998 |
| 5741532 | Apparatus for introducing additives into a grid spinning system An apparatus for melting particulate polymeric material includes a melting grid and a molten polymer reservoir beneath the grid. The apparatus has a lateral cross-sectional contour defined by walls. Further included is a distribution device having upper a... | 04/21/1998 |
| 5651668 | Apparatus for thermally cleaning an exhaust fluid stream An apparatus for thermally cleaning exhaust air containing combustible components comprises at least one combustion chamber for thermally cleaning an exhaust fluid stream and at least two containers adapted for gases to flow therethrough and containing he... | 07/29/1997 |
| 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 |
| 5431147 | Burner device of regenerative and alternate combustion type A burner device of regenerative and alternate combustion type including a pair of burners and a regenerative bed, which permits flow passage changeover to be taken selectively between the pair of burners, via the regenerative bed, by four-way and three-wa... | 07/11/1995 |
| 5414244 | Semiconductor wafer heat treatment apparatus A heat treatment apparatus according to the present invention includes a process tube which heat rays are able to penetrate, a holding member for holding an object to be treated in the process tube, two temperature regulation plates arranged opposite and ... | 05/09/1995 |
| 5328084 | Aluminum heat exchanger braze furnace A muffle furnace assembly for brazing aluminum heat exchanger workparts comprises a tubular muffle having a workpart conveyer extending therethrough. A pair of fans disposed inside the muffle circulate high temperature atmosphere through the workparts. Th... | 07/12/1994 |
| 5304059 | Burner device of regenerative and alternate combustion type A burner device of regenerative and alternate combustion type including a pair of burners and a regenerative bed, which permits flow passage changeover to be taken selectively between the pair of burners, via the regenerative bed, by four-way and three-wa... | 04/19/1994 |
| 5302178 | Hardening furnace for sheets of glass and the like The invention relates to a hardening furnace, in particular for sheets of glass (2) and the like. In the furnace, the glass sheets (2) are sustained and transported by a conveyor plane (1) of the roller type above and beneath which plane an upper radiatin... | 04/12/1994 |
| 5279278 | Burner unit A burner unit for heating a gaseous medium includes a heat exchanger provided with tubes, a space between the tubes connected on the upstream side to a feed duct for the gaseous medium; a combustion chamber connected to the downstream side of the space be... | 01/18/1994 |
| 5244381 | NOx flame spreader for an inshot burner A furnace includes a generally cylindrical combustion chamber that is open at one end for receiving a single port inshot target burner. The target burner includes a flame spreader for lowering the heat energy and temperature of the gas flame so as to redu... | 09/14/1993 |
