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| Number | Title | Issue Date |
| 7363923 | cooking range assembly and monolithic drip pan A cook top includes a one-piece drip pan beneath all burners for collecting spillage and drips originating at the burners. Burner assemblies having burners therein are located by and supported on the drip pan. Grates are provided above the burners and have chamfered... | 04/29/2008 |
| 7347685 | Torch manifold with integrated nozzles A manifold for a torch including a gas distribution portion for distributing gas directed into the manifold to two or more gas channels, a nozzle in each gas channel, an air passage in the manifold proximate each nozzle, and a flame tube portion including a channel ... | 03/25/2008 |
| 7313919 | Gas turbine combustor A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 01/01/2008 |
| 7252503 | Wind-proof venturi tube A venturi tube has a configuration of baffles affixed thereto that serve to greatly reduce the susceptibility of a gas burning appliance to wind gusts. The baffles cooperate to force incoming primary combustion air through a circuitous route before introduction into... | 08/07/2007 |
| 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 |
| 7200998 | Gas turbine combustor and operating method thereof A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 04/10/2007 |
| 7188476 | Gas turbine combustor and operating method thereof A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets. ... | 03/13/2007 |
| 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 |
| 7146937 | Combustion chamber design with water injection for direct-fired steam generator and for being cooled by the water A direct-fired steam generator body defines a combustion chamber and having an exhaust outlet. A mixing chamber is provided for receiving the exhaust gases from the combustion chamber. A flange joint between an elbow forming part of the mixing chamber and the end of... | 12/12/2006 |
| 7137568 | Apparatus and method for flow diverter A flow diverter for diverting an initial flow stream of pressurized fluid from a source of pressurized fluid. The flow diverter comprises a housing having an upstream end, an inlet opening in the upstream end, a downstream end generally opposed to the upstream end, ... | 11/21/2006 |
| 7104476 | Multi-sectored flat board type showerhead used in CVD apparatus Disclosed is a showerhead of a CVD apparatus comprising a plate having an empty inside and provided with a plurality of injection holes at one surface thereof; and gas supplying pipes installed at the plate so as to supply gas, wherein introduced gas thereto is inje... | 09/12/2006 |
| 7011179 | Auxiliary heater arrangement with a muffler An arrangement having an auxiliary heater, a catalytic converter (12) for catalytic post-combustion of exhaust gas from the heater, a muffler (14) for damping of the noise caused by the exhaust gas, and an exhaust line for removing exhaust gas from the... | 03/14/2006 |
| 7011515 | Gas lighter having device for preventing flame from being extinguished by wind The present invention is to provide a gas lighter, which comprises a nozzle provided at one end of a barrel extended forwardly from a housing, an auxiliary ceramic sleeve member provided at one end of a ceramic sleeve member in the barrel adjacent the nozzle, a meta... | 03/14/2006 |
| 6979422 | Active flashback arrestor for use with head of a torch Flashback protection is provided proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a check valve and porous structure for restricting flashback. ... | 12/27/2005 |
| 6918255 | Cooling of liquid fuel components to eliminate coking A system for cooling at least one gas turbine liquid fuel component located in a high temperature environment to eliminate coking in the component is disclosed. The system includes a sleeve surrounding the liquid fuel component, a device for providing a current of c... | 07/19/2005 |
| 6910881 | Flashback arrestor for use with head of oxy-fuel torch Flashback protection is provided in or proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a body and porous structure that is preferably carried by the body and i... | 06/28/2005 |
| 6851420 | Burner with piloting ports A cooking appliance includes burners having ports that are aligned in a defined alignment with respect to an adjacent structure of a burner body or the cooking appliance within a piloting zone so that the adjacent structure guides the formation of a flame kernel at ... | 02/08/2005 |
| 6726471 | Flashback arrestor for use with head of Oxy-fuel torch Flashback protection is provided in or proximate the head of a cutting torch by a fitting, which can be in the form of an adapter or a cutting tip for mounting to the head. The fitting includes a body and porous structure that is preferably carried by the body and i... | 04/27/2004 |
| 6644959 | Atomizing burner for a heating device of a vehicle The invention relates to an atomizer burner for a motor vehicle heater, with a cobustion chamber which contains a baffle barrier and with an atomizer means (2) which atomizes the fuel into the combustion chamber, characterized in that within the combustio... | 11/11/2003 |
| 6616442 | Low NOx premix burner apparatus and methods Low NOx axial premix burner apparatus and methods for burning fuel gas are provided by the present invention. The methods of the invention are basically comprised of the steps of mixing a first portion of the fuel gas and all of the air to form... | 09/09/2003 |
| 6485294 | NOx reduction device In a gas-burning apparatus, such as a furnace, a device for reducing NOx emissions includes a cup member mounted proximate to an inlet to a combustion chamber of the apparatus and a perforate member attached to the cup member and located in the combustion... | 11/26/2002 |
| 6457970 | Combustion device of gas burner for cooking The object of this invention is to provide a combustion device for cooking gas burners. In the combustion device, a frusto-conical flame guide cover (30) having an inclined side surface (31) is seated at the center of the inside area (11) of an annular-sh... | 10/01/2002 |
| 6179609 | Compact external torch assembly for semiconductor processing A compact torch for use in semiconductor processing which may be used both to produce steam and to perform wet or dry dichlorethylene (DCE) oxidation at varying concentrations with no reconfiguration of the torch, providing full temperature of control of ... | 01/30/2001 |
| 6140658 | Combustion heated honeycomb mantle infrared radiation An infrared radiation source is provided by directing combustion gases through a honeycomb mantle along the axis of symmetry thereof. The honeycomb mantle is formed of individual tubes disposed at an angle to the axis of symmetry of the mantle and is clos... | 10/31/2000 |
| 5980243 | Flat flame A burner for combusting fuel gas and air in an enclosure having a burner block member of non-combustible material, such as ceramic, having a central rectangular or square opening. Said burner block being located between the surface to be heated and an enc... | 11/09/1999 |
| 5961320 | Burner emission device A mixing/quenching device is in the form of a perforate metal sheet or screen secured at the downstream end of a belled orifice with the perforations defining a plurality of flow paths. The dividing and combining of the flow is passing through the flow pa... | 10/05/1999 |
| 5927961 | Multifuel burner with pressurized fuel-holding tank A powered multi-fuel burner has a burner assembly which utilizes an air aspirated nozzle. An air compressor provides air to the air aspirated nozzle and to a fuel-holding tank where the fuel within the tank is put under air pressure thereby to enhance its... | 07/27/1999 |
| 5879154 | Flame spreader-type fuel burner with lowered NOx emissions A fuel-fired water heater is provided with a flame spreader-type fuel burner assembly that reduces the operating NOx emissions of the water heater. The assembly includes a radial port gas burner coaxially disposed in a facing relationship with a generally... | 03/09/1999 |
| 5848887 | Low emission combustion system A low emission combustion system for use in a fuel-fired apparatus includes a fuel-fired burner (30) operative for generating a flame extending substantially axially outwardly from the outlet of the burner, a heat transfer tube (40) opposed to the outlet ... | 12/15/1998 |
| 5839891 | Power gas burner A gas burner produces a homogeneous mixture of gas and air in a short mixing zone by creating turbulence to promote thorough mixing. The burner includes a burner housing supporting a gas distribution tube and an air blower, the distribution tube emitting ... | 11/24/1998 |
| 5791889 | Combustor oscillating pressure stabilization and method High dynamic pressure oscillations in hydrocarbon-fueled combustors typically occur when the transport time of the fuel to the flame front is at some fraction of the acoustic period. These oscillations are reduced to acceptably lower levels by restructuri... | 08/11/1998 |
| 5746194 | Catalytic insert for NOx reduction The fuel in the fuel rich inner cone of the flame is catalyzed by a partial oxidation catalyst into carbon monoxide and hydrogen which have a lower peak flame temperature thereby reducing thermal NOx. The insert is heated and radiates heat with... | 05/05/1998 |
| 5730116 | NOX reducing combustor tube insert apparatus A fuel-fired air heating furnace is provided with NOx reduction apparatus associated with a plurality of combustor tubes forming a portion of the furnace heat exchanger section. Inshot-type fuel burners are spaced apart from and face the open inlet ends o... | 03/24/1998 |
| 5641282 | Advanced radiant gas burner and method utilizing flame support rod structure A high intensity and high efficiency radiant gas burner (10) has a housing (8), a gas inlet (11) for receiving a combustible gas, a gas injection plate (13) for distributing the gas, a gas distribution chamber (16) for permitting the gas to expand, a poro... | 06/24/1997 |
| 5622491 | Gas burner having a pack of stacked metal plates at the combustion chamber inlet A gas burner is described, provided with a connection for supplying a mixture of combustible gas and combustion air, and a burner pack comprising a plurality of stacks of at least one metal plate which is deformed transversely to its flat plane, and at le... | 04/22/1997 |
| 5597301 | Burner emission device A mixing/quenching device is in the form of a stack of perforate metal sheets secured together with the perforations aligned to define continuous flow paths. The interfaces of the laminations in the flow path provides turbulence and the thermal mass of th... | 01/28/1997 |
| 5596979 | Sound inhibitor baffles A baffle is located in a recessed location relative to the inlet of a heat exchanger tube and facing the burner. The baffle is made of high temperature ceramic foam and has a plurality of flutes which define the flow path. In passing through the baffle, t... | 01/28/1997 |
| 5580238 | Baffle for NOx and noise reduction A spiral, perforate ceramic baffle is placed into a heat exchanger in facing relationship with the burner and in an overhung relationship to the heat exchanger. A primary air/fuel mixture in the flame from the burner passes into the baffle drawing seconda... | 12/03/1996 |
| 5546925 | Inshot fuel burner Nox reduction device with integral positioning support structure A fuel fired, forced air, draft induced heating furnace is provided with NOx reduction apparatus associated with a plurality of combustor tubes forming a portion of its heat exchanger structure. In-shot type fuel burners are spaced apart from and face the... | 08/20/1996 |
| 5483948 | Compact gas-fired infrared radiator of closed design A gas-fired infrared radiator comprising a closed housing which includes a combustion chamber, with a side of the radiator that is to be directed towards an object being a radiation plate which forms a boundary of the combustion chamber, and comprising at... | 01/16/1996 |
