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Alzeta Corporation Patents
Assignee:
Alzeta Corporation
Address:
Santa Clara, CA
No. of patents:
21
Patents:












Patent Number Title Of Patent Date Issued
8215951 High temperature fiber composite burner surface July 10, 2012
A burner surface and creation method are provided. The burner surface includes a frame with a compact layer of unsintered metal and ceramic fibers that have been vacuum cast to a surface of the frame. The layer of unsintered metal and ceramic fibers is not greater than 0.5 inches, and
7048536 Temperature-compensated combustion control May 23, 2006
The "fuel-air pressure ratio" combustion control system for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate is improved by means for adjusting the flow rate of fuel in relation to temperature fluctuations of t
6984122 Combustion control with temperature compensation January 10, 2006
Combustion control systems for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate are improved by means for adjusting the flow rate of fuel in relation to temperature fluctuations of the air. A temperature sensor
6776609 Apparatus and method of operation for burners that use flue gas recirculation (FGR) August 17, 2004
The present invention is a method and apparatus to improve the utilization of flow and power characteristics of a combustion air fan over the full range of burner operation. More specifically, it is an apparatus and a method of operation that uses a high flue-gas-to-air ratio over most o
6470687 Method of using segmented gas burner with gas turbines October 29, 2002
A segmented radiant gas burner features wide modulation of thermal output simply by the independent control of fuel gas flow to each burner segment. The burner also features a porous fiber burner face, preferably having dual porosities, and a metal liner positioned to provide a compact
6453672 Segmented surface-stabilized gas burner and method of use with gas turbines September 24, 2002
A segmented surface-stabilized gas burner features wide modulation of thermal output simply by the independent control of fuel gas flow to each burner segment. The burner also features a porous fiber burner face, preferably having dual porosities, and a metal liner positioned to provide
6330791 Burner for operating gas turbines with minimal NOx emissions December 18, 2001
A porous, low-conductivity material formed of metal or ceramic fibers provides the burner face of a gaseous fuel combustor for gas turbines capable of minimizing nitrogen oxides (NO.sub.X) emissions in the combustion product gases. A preferred burner face, when fired at atmospheric p
6199364 Burner and process for operating gas turbines with minimal NOx emissions March 13, 2001
A porous, low-conductivity material formed of metal or ceramic fibers provides the burner face of a gaseous fuel combustor for gas turbines capable of minimizing nitrogen oxides (NO.sub.x) emissions in the combustion product gases. A preferred burner face, when fired at atmospheric p
6165252 Adsorption process and apparatus December 26, 2000
The adsorption of at least one component of a gas mixture is improved by passing the gas through an adsorption zone wherein the adsorbent is distributed in rectilinear channels that stepwise both diminish in transverse size and hold a diminished weight of adsorbent. An adsorption zon
5603905 Apparatus for combustive destruction of troublesome substances February 18, 1997
The disposal of troublesome substances, especially global-warming halogenated compounds is difficult enough, but is particularly difficult when associated with particulate-forming matter, such as silane and arsine commonly encountered in waste gas streams of the semiconductor industry.
5595816 Unsintered perforated ceramic fiber plates useful as burner faces January 21, 1997
Unusually strong and highly perforated plates are formed by pressurized filtration of a suspension of chopped ceramic fibers in an aqueous dispersion of colloidal alumina or colloidal silica through a mold having a perforated filter base and a pin support base having pins that extend
5580505 Process and apparatus for forming perforated ceramic fiber plates December 3, 1996
Unusually strong and highly perforated plates are formed by pressurized filtration of a suspension of chopped ceramic fibers in an aqueous dispersion of colloidal alumina or colloidal silica through a mold having a perforated filter base and a pin support base having pins that extend
5510093 Combustive destruction of halogenated compounds April 23, 1996
The disposal of troublesome substances, especially global-warming halogenated compounds is difficult enough, but is particularly difficult when associated with particulate-forming matter, such as silane and arsine commonly encountered in waste gas streams of the semiconductor industry.
5494003 Water heater with perforated ceramic plate infrared burner February 27, 1996
A water heater of simplified construction which incorporates a unique infrared gas burner performs with notable thermal efficiency and suppression of the combustion pollutants, nitrogen oxides. The upright cylindrical water tank of the new water heater is supported by a cylindrical m
5439372 Multiple firing rate zone burner and method August 8, 1995
A gaseous fuel burner and method in which a high-firing rate (blue/non-surface radiant) zone is created between two lower firing rate (red/surface radiant) combustion zones. The method of the invention can be achieved by selective perforation of porous sintered fiber mat burner surfa
5410989 Radiant cell watertube boiler and method May 2, 1995
A watertube boiler system is disclosed which provides a plurality of radiant burners mounted within a housing in parallel, spaced-apart relationship. Individual burners are encircled by heat cells comprised of watertube coils which are in tangential juxtaposed relationship achieving
5326631 Unsintered fiber burner made with metal fibers, ceramic fibers and binding agent July 5, 1994
An unsintered metal fiber burner is produced by mixing ceramic fibers with the metal fibers and binding the mixed metal-ceramic fibers together as a porous layer adherent to a foraminous support. By mixing ceramic fibers with metal fibers, the cost of a sintered metal fiber burner is red
5211552 Adiabatic surface combustion with excess air May 18, 1993
Remarkable suppression of the formation of pollutants: NO.sub.x, CO and UHC, in the flameless combustion of gaseous fuel with excess air is achieved by passing the fuel and air through a porous surface combustor directly into an adiabatic zone, and by controlling the amount of excess
4809672 Gas-fired bayonet-type heater March 7, 1989
An efficient gas-fired bayonet-type heater has been developed to challenge the dominant position long enjoyed by the electric bayonet-type heater. The new heater replaces the electric resistance element in the bayonet-type heat exchange shell with a tubular porous fiber burner having
4492185 High efficiency, reduced emissions water heater January 8, 1985
Water heaters are provided which exhibit improved efficiency and emissions performance over conventional water heaters, comprising condensing heat exchanger means and infrared fiber matrix burner means to achieve said improved performance.
4412523 Catalytic gas-fired furnace system and method November 1, 1983
A gas-fired, forced air furnace system employing a fiber matrix burner element and a condensing-type heat exchanger to achieve both high system thermal efficiency and low emission of NO.sub.X and other gaseous pollutants. The value of excess air in the fuel-air reactants supplied to

 
 
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