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Class 431/7 - In a porous body or bed, e.g., surface combustion, etc.


Subclass of Class 431 - Combustion
Definition: Processes of injecting fuel into a bed of refractory material
No. of patents: 495
Last issue date: 05/15/2012


1                      
NumberTitleIssue Date
8177545Method for operating a combustor having a catalyst bed
A method for operating a combustor having a catalyst bed. The method includes the steps of directing a flow of air through a catalyst bed, providing heat to the catalyst bed, sensing the temperature in an upstream portion of the catalyst bed to provide an upstream t...
05/15/2012
7976304Method and device for mixing fluid flows
The present invention relates to a method for mixing at least two separate fluid flows (2, 3), in particular for a burner of a power plant. To improve the mixing, a plurality of swirl flows (7, 8), which are annular and concentric with respect t...
07/12/2011
7934925Catalyzer
A catalyzer for burning part of a gaseous fuel/oxidant mixture, in particular for a burner of a power plant installation, has catalytically active channels and catalytically inactive channels and at least two sectors are arranged consecutively in the main flow direc...
05/03/2011
7857616Burner apparatus
A burner apparatus utilizes a reticulated member to promote mixing of a fuel and oxidizer mixture. A plurality of exit ports, disposed on a wall or surface encapsulating the reticulated member, defines exit streams of the mixture that produces flames upon combustion...
12/28/2010
7762806Afterburner device and method for operating an afterburner device
An afterburner device and a method for operating an afterburner device, especially for chemical reformers for obtaining hydrogen, for making heat available from fuels and/or residual gases from a reforming process and/or a fuel cell process. In this context, heat is...
07/27/2010
7717700Hybrid burner and associated operating method
The present invention relates to a hybrid burner (1) for a combustor (7), in particular of a power plant, comprising a housing (2), in which a full oxidation catalyst (9) and a partial oxidation catalyst (10) are arranged. An inlet...
05/18/2010
7618255Apparatus and method for catalytic combustion
A catalytic combustion apparatus is equipped with a reactor for catalytically burning a gas to be treated containing a combustible organic compound, which further comprises a condensate forming means for condensing a part of a gas after reaction in the reactor, to f...
11/17/2009
7578669Hybrid combustor for fuel processing applications
The present invention discloses a hybrid combustor, such as an anode tailgas oxidizer (ATO), for fuel processing applications which combines both flame and catalytic type burners. The hybrid combustor of the present invention combines the advantages of both flame an...
08/25/2009
7568907Combustion chamber with burner and associated operating method
A method for operating a combustion chamber of a gas turbine, in particular of a power plant is provided. The combustion chamber includes at least one burner with a catalytic pilot burner. The method includes actuating the pilot burner at low power of the combustion...
08/04/2009
7503761Method for reducing the formation of nitrogen oxides in steam generation
Disclosed herein is a method for generating steam, comprising oxidizing a fuel to generate heat via a flameless reaction; and using the heat generated via the reaction to convert water to steam. In an embodiment, the amount of NOx present is flue gas from...
03/17/2009
7467942Device and method for flame stabilization in a burner
A device and a method for flame stabilization in a burner (10), includes a burner housing at least partially enclosing a burner volume, into which may be introduced via at least one fuel line, fuel, and via at least one air feed means, air, forming an air/fue...
12/23/2008
7399451Pollution control
Device for pollution control where a polluted stream of air or gas is purified from both oxidisable material and nitrogen oxides simultaneously by a combination of regenerative high temperature treatment and catalytic treatment. ...
07/15/2008
7371706Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas
A catalyst for removing hydrocarbons from exhaust gas containing methane and an excess of oxygen, which comprises palladium or palladium/platinum supported on at least one carrier selected from zirconia, sulfated zirconia and tungsten-zirconia, and a method for trea...
05/13/2008
7371065Apparatus and method for the controlled production of nano-soot particles
In order to provide an apparatus for the controlled production of nano-soot particles, a pore burner and a mixing device for the production of a pre-mixture of fuel and oxidizing agent are provided, wherein the mixing device is coupled to the pore burner so that the...
05/13/2008
7357900NOreduction system for diesel engines, using hydrogen selective catalytic reduction
An emission control system for reducing NOx in the exhaust of a diesel engine. A partial oxidation system receives diesel fuel from the engine's fuel tank and partially oxidizes the diesel fuel into hydrogen. The hydrogen is then introduced into the main ...
04/15/2008
7357903Method for reducing NOx during combustion of coal in a burner
An organically complexed nanocatalyst composition is applied to or mixed with coal prior to or upon introducing the coal into a coal burner in order to catalyze the removal of coal nitrogen from the coal and its conversion into nitrogen gas prior to combustion of th...
04/15/2008
7347086System and method for burner-based accelerated aging of emissions control device, with engine cycle having cold start and warm up modes
A method for accelerated aging of an automotive catalytic converter under conditions incorporating cold start simulations. ...
03/25/2008
7332136Airbox in a regenerative thermal oxidiser
An air box in a regenerative thermal oxidiser has one or several beds of a heat-storing and heat-transferring material. The air box is connected with a gas inlet/outlet and comprises a gas permeable surface that is turned towards one of the beds. The air box has dis...
02/19/2008
7326394Catalysts, methods of making catalysts, and methods of combustion
Catalysts are described in which an active catalyst is disposed on a low surface area, oxide support. Methods of forming catalysts are described in which a Cr-containing metal is oxidized to form a chromium oxide layer and an active catalyst is applied directly on t...
02/05/2008
7325562Heated seal air for valve and regenerative thermal oxidizer containing same
Valve with heated sealing gas suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve util...
02/05/2008
7309395System for forming composite polymer dielectric film
A system for depositing a composite polymer dielectric film on a substrate is disclosed, wherein the composite polymer dielectric film includes a low dielectric constant polymer layer disposed between a first silane-containing layer and a second silane-containing la...
12/18/2007
7308788Engine and method for counteracting face plugging of a diesel oxidation catalyst
A turbocharged engine (20, 20′, 20″, 20′″) counteracts plugging of a diesel oxidation catalyst (DOC 48) by causing a first portion of exhaust from one or more exhaust manifolds (26, 28) to enter the DOC after having passed through the tu...
12/18/2007
7305829Method and apparatus for acquiring heat from multiple heat sources
The present invention relates to systems and methods for implementing a closed loop thermodynamic cycle utilizing a multi-component working fluid to acquire heat from two or more external heat source streams in an efficient manner utilizing countercurrent exchange. ...
12/11/2007
7291010Combustion light-emitting device and corresponding method of fabrication
A light-emitting device comprises a structure defining an orderly and periodic series of cavities of nanometric dimensions, in which a process of catalytic combustion is confined. The dimensions and/or the distance between the micro-cavities are selected to obtain a...
11/06/2007
7278265Catalytic combustors
A catalytic combustor for a combustion turbine that employs a protective nickel aluminide diffusion barrier on its inside and outside surfaces with a porous alumina, zirconia, titania, and/or ceria, and bond phase coating on the outside surface in which a catalyst i...
10/09/2007
7279137Burners and combustion apparatus for carbon nanomaterial production
The invention provides improved burners, combustion apparatus, and methods for carbon nanomaterial production. The burners of the invention provide sooting flames of fuel and oxidizing gases. The condensable products of combustion produced by the burners of this inv...
10/09/2007
7275929Device and method for reducing fireplace particulate emissions
A fireplace afterburner is presented including a shell having a first open shell end for receiving fireplace emissions and a second open shell end for expelling fireplace emissions, a flue inside said shell having a first flue end which can be closed, and a second f...
10/02/2007
7263822Catalytic conversion of fuel and converter therefor
For a process for the catalytic conversion of furl for removing oxides of nitrogen from exhaust gases of internal combustion engines, in which fuel and a part-stream of the exhaust gas or of the intake air are converted in a converter, the fuel and the part-stream o...
09/04/2007
7263934Methods for generating energy using agricultural biofuel
A process comprising, providing an agricultural biofuel to a fluidized bed reactor and combusting the agricultural biofuel to produce heat and/or steam is disclosed. In one embodiment, the agricultural biofuel is selected from the group consisting of agricultural cr...
09/04/2007
7256154Structured catalyst for POX reforming of gasoline for fuel-cell powered vehicles applications and a method of preparing the same
The present invention relates to a structured catalyst for reforming of gasoline and a method of preparing the same, more particularly to a structured catalyst for reforming of gasoline for fuel-cell powered vehicles prepared by wash-coating the transition metal bas...
08/14/2007
7253137PROX catalyst for oxidizing carbon monoxide
A catalyst for preferentially reducing carbon monoxide in a hydrogen stream. The catalyst is formed from a chemical composition including a hexaaluminate, a metal hydroxide and a precious metal. The composition may be disposed on a support or may be extruded or cast...
08/07/2007
7250229Procedure for starting up a fuel cell system having an anode exhaust recycle loop
A procedure for starting up a fuel cell system that is disconnected from its primary load and that has air in both its cathode and anode flow fields includes a) connecting an auxiliary resistive load across the cell to reduce the cell voltage; b) initiating a recirc...
07/31/2007
7235217Method and apparatus for rapid heating of fuel reforming reactants
Apparatus and method for rapidly heating one or more reactants for use in a fuel reformer. The apparatus includes a combustion section having an outer wall enclosing a combustion chamber and a catalyst disposed within the combustion chamber. A heat recovery section ...
06/26/2007
7226548Syngas catalysts and their method of use
The present invention relates to improved catalyst compositions, as well as methods of making and using such compositions. Preferred embodiments of the present invention comprise catalyst compositions having high melting point metallic alloys, and methods of prepari...
06/05/2007
7182920Catalyzer
A catalyzer for burning part of a gaseous fuel/oxidant mixture, in particular for a burner of a power plant installation, has catalytically active channels and catalytically inactive channels and at least two sectors are arranged consecutively in the main flow direc...
02/27/2007
7181952Characterization of mist sprays using a phase-doppler particle analyzer and an iso-kinetic sampling probe
A method for quantifying droplet fluxes of a water mist spray uses different measuring apparatuses and compares the measurements of the two apparatuses with one another. One of the measuring apparatuses is an iso-kinetic sampling probe in which the air velocity of t...
02/27/2007
7175422Method for accelerated aging of catalytic converters incorporating injection of volatilized lubricant
A method and apparatus for accelerated aging of an automotive catalytic converter under conditions incorporating volatilized oil consumption. ...
02/13/2007
7177535Apparatus for generating power and hybrid fuel vaporization system
A hybrid fuel vaporization system and an apparatus for producing power from a source of liquid fuel. The hybrid fuel vaporizing system includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, the in...
02/13/2007
7168947Methods and systems for operating combustion systems
Methods and systems for reducing nitrogen oxides in combustion flue gas is provided. The method includes combusting a fuel in a main combustion zone such that a flow of combustion flue gas is generated wherein the combustion flue gas includes at least one nitrogen o...
01/30/2007
7166263Ceria-based mixed-metal oxide structure, including method of making and use
A homogeneous ceria-based mixed-metal oxide, useful as a catalyst support, a co-catalyst and/or a getter has a relatively large surface area per weight, typically exceeding 150 m2/g, a structure of nanocrystallites having diameters of less than 4 nm, and ...
01/23/2007
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