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7637735 |
Procedure for regulating a combustion process
In a procedure for regulating a combustion process in an installation while air is being supplied, material is converted by the combustion process, with at least one flame being formed, and the...
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7618254 |
Method for igniting a burner
A method for igniting a fuel/oxidant mixture in an industrial furnace. At least one fuel supply conduit and at least one oxidant supply conduit is provided, each conduit having an opening that...
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7581946 |
Ignition control with integral carbon monoxide sensor
A control for controlling the operation of a fuel-fired heating appliance is provided that include a sensor capable of sensing the presence of carbon monoxide gas and providing an output indicative...
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7553152 |
Flame detector trapezoidal excitation generator output control circuit and method
An electronic circuit for generating a trapezoidal excitation waveform includes a controllable frequency source and a trapezoidal waveform generator. The controllable frequency source generates a...
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7344373 |
Control method for gas burners
The invention relates to a control method for gas burners for providing a gas-air mixture. According to the invention, the ionization signal is only used for setting the mixing ratio dependent on...
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7289032 |
Intelligent flame scanner
Techniques for determining a characteristic of a flame are provided by the present invention. Provided are methods as well as devices. A flame is monitored across a contiguous spectral range to...
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7229278 |
Flame quality and fuel consumption monitoring methods for operating a primary burner
A control system for controlling an oil or gas burner heating system comprises an ultraviolet flame sensor. Flame is detected and preanalyzed by the control for flame quality factors reflecting the...
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7088253 |
Flame detector, method and fuel valve control
A flame detector and burner fuel valve control has an ultraviolet sensitive, cold cathode, gas discharge tube in a DC quench circuit. In the presence of a flame, the circuit generates a pulse...
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7008218 |
Combustion emission estimation with flame sensing system
There is described a method and apparatus for controlling the combustion by-product formation rate in at least one burner of a fossil fuel fired power plant. The burner has an associated flame...
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6859766 |
Indirect gas species monitoring using tunable diode lasers
A method for indirect gas species monitoring based on measurements of selected gas species is disclosed. In situ absorption measurements of combustion species are used for process control and...
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6780378 |
Method for measuring concentrations of gases and vapors using controlled flames
A method and apparatus for measuring the concentration of at least one gaseous component and/or vaporous component of a gaseous mixture in which a controlled sensor flame is introduced into the...
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6700495 |
Flame monitor for an oil- and gas-operated burner
The invention relates to a flame monitor for an oil- or gas-operated burner, having a photosensor which detects the optical flame radiation and an evaluation circuit which is connected downstream...
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6652266 |
Flame sensor and method of using same
A flame sensor for sensing the presence of a flame in a burner. The signal from the sensor is passed to an amplifier located adjacent to the sensor and amplified without having a sensor signal...
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6588475 |
Device and method for welding overlapping roof membranes
A device for welding overlapping roof membranes comprising a chassis, an air discharge chute and a flame distribution assembly communicating with the air discharge chute. The flame distribution...
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6493081 |
Flame-type atomic absorption spectrophotometer
A flame-type atomic absorption spectrophotometer forms a flame by igniting a mixture of a fuel gas and a first combustion support gas such as air and then the first combustion support gas is...
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6468069 |
Automatically optimized combustion control
Systems and methods are disclosed that optimize the combustion process in various reactors, furnaces, and internal combustion engines. Video cameras are used to evaluate the combustion flame grade....
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6464489 |
Method and apparatus for controlling thermoacoustic vibrations in a combustion system
In a method of controlling thermoacoustic vibrations in a combustion system having a combustion chamber and a burner, the fluid shear layer forming in the region of the burner is acoustically...
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6429020 |
Flashback detection sensor for lean premix fuel nozzles
A sensor for detecting the flame occurring during a flashback condition in the fuel nozzle of a lean premix combustion system is presented. The sensor comprises an electrically isolated flashback...
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6416317 |
Oxy-fuel burner
The oxy-fuel burner comprises at least one fuel supply pipe ( 16 ) and at least one pipe ( 18 ) for supplying an oxygen-rich gas, the said outlets of the pipes being directed approximately in the...
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6410842 |
Automatic burner driven generator system
There is provided an automatic burner driven generator system for powering a load. The Generator system generally comprises a burner unit for generating a thermal energy; a thermoelectric converter...
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6389330 |
Combustion diagnostics method and system
Combustion variables are diagnosed using sensors to measure turbulence in the post-flame zone as well as in the flame envelope of a combustor. Output signals from the sensors are processed and a...
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6302682 |
Laser controlled flame stabilization
A method and apparatus is provided for initiating and stabilizing fuel combustion in applications such as gas turbine electrical power generating engines and jet turbine engines where it is desired...
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6278374 |
Flame detection apparatus and method
The present invention relates to flame detection apparatus and method. The present invention provides a method and apparatus for monitoring the status of a combustion unit having at least one...
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6261086 |
Flame detector based on real-time high-order statistics
A method, and a system for implementing the method, for detecting whether a flame is an on state or alternatively is in an off state. The method includes (i) detecting the flame and generating...
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6247918 |
Flame monitoring methods and apparatus
In an apparatus for monitoring a hydrocarbon flame, a plurality of radiation sensors detect electromagnetic radiation emitted by the flame. Each of the sensors is provided with a narrow band filter...
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6244856 |
Burner assemblies
A burner assembly includes a number of gas burners each utilizing a radiant ceramic plaque, the burners are disposed in confined combustion chambers where they direct heat towards a heat-receiving...
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6244857 |
Method and apparatus for optical flame control of combustion burners
In accordance with the present invention, methods and apparatus to control the combustion of a burner are presented which overcome many of the problems of the prior art. One aspect of the invention...
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6168419 |
Flame monitor
The invention relates to a flame monitor for blue-burning flames having a photosensor whose output signal is evaluated in such a manner that the fuel supply is switched off not only when the flame...
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6135760 |
Method and apparatus for characterizing a combustion flame
Characteristics of a flame within a turbine or burner are determined based upon ultraviolet, visible, and infrared measurements of the flame. The measurements include a measurement of the amplitude...
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6113384 |
Regulation of gas combustion through flame position
A combustion system includes a combustion chamber. A fan is connected to the combustion chamber. The fan has a spin velocity. A burner is adjacent the combustion chamber. The burner defines one or...
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6099295 |
Power phase regulator circuit improvement motor start switch self-adjusting preheat and ignition trial improvement and series-type voltage regulator improvement to hot surface ignition controller for fuel oil burner
A fuel oil burner utilizing a hot surface ignition with an ignitor that is fully sintered and has essentially no porosity, a voltage phase regulator circuit for applying rectified half-wave AC line...
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6060719 |
Fail safe gas furnace optical flame sensor using a transconductance amplifier and low photodiode current
A fail safe gas furnace optical flame sensor uses a transconductance amplifier with low photodiode current to sense the presence or absence of a gas flame within the burner of a gas furnace. The...
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6042365 |
Fuel combustion monitoring apparatus and method
A method and an apparatus for monitoring fuel combustion status in a burner such as a boiler and a gasifier with high accuracy, high reliability and fast response are disclosed. The apparatus...
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6026800 |
Portable heater and cooker system
A portable heater and cooker system is provided to apply radiant and conductive heat from a heating component to an enclosure area or a cooking utensil, using a heat generated chimney effect and...
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6024561 |
Monitoring for the presence of a flame in a burner
A method of monitoring for the presence of a flame in a burner includes the steps of providing a UV bulb sensor (1) whose electrical output signal in response to a voltage applied across the sensor...
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5961314 |
Apparatus for detecting flame conditions in combustion systems
A detector for use in a combustion system includes a probe having a tip adapted for placement through a singular aperture in the mixing area of a combustion system. First and second channels are...
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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...
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5832842 |
System for the automatic admission and regulation of the flow-rate of a basic substance admitted to refuse incineration plants for the hot destruction of the acids in the combustion fumes
A system for automatically admitting and regulating the flow-rate of an alkaline substance admitted to the combustion chamber (10) of a refuse incineration plant for the hot destruction of the...
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5829962 |
Method and apparatus for optical flame control of combustion burners
In accordance with the present invention, methods and apparatus to control or monitor the combustion of a burner are presented which overcome many of the problems of the prior art. One aspect of...
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5798946 |
Signal processing system for combustion diagnostics
A signal processing method and apparatus for analyzing operation of a combustion burner. Responsive to a signal produced by a flame sensor which monitors a burner flame, a fluctuational component...
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5785512 |
Infrared emittance combustion analyzer
An infrared emittance combustion analyzer utilizing detectors in a flame burner which monitor the radiation at two preselected wavelengths. The respective radiation signals are filtered to...
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5755819 |
Photodiode array for analysis of multi-burner gas combustors
A detection system includes flame sources at least two of which are independently controllable; photodetectors each having an independent view of the flame sources and being capable of producing a...
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5632614 |
Gas fired appliance igntion and combustion monitoring system
A gas fired appliance measures infrared emissions from a metal object heated in a combustion chamber to evaluate combustion. Associated circuitry uses the evaluation to control operational...
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5633501 |
Combination photoelectric and ionization smoke detector
An ionization chamber for use in a smoke detector includes first and second outer electrodes and a non-reflective center electrode. The non-reflective center electrode can be formed as a metal...
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5599179 |
Real-time combustion controller
A method and system of regulating the air to fuel ratio supplied to a burner to maximize the combustion efficiency. Optical means are provided in close proximity to the burner for directing a beam...
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5567144 |
Hot surface ignition controller for fuel oil burner
A fuel oil burner utilizing a hot surface ignition with an ignitor that is fully sintered and has essentially no porosity, a circuit for applying AC line voltage to the ignitor and to a blower...
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5549469 |
Multiple burner control system
A control system for a multiple burner furnace has a programmable processor interfaced to hardware input and output circuitry associated with the furnace. The programmed processor provides a number...
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5495112 |
Flame detector self diagnostic system employing a modulated optical signal in composite with a flame detection signal
A self diagnostic system for a flame detector. The system produces an optical determinant signal from an analog determinant signal that has a controllable amplitude and frequency. The system...
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5488355 |
Integrated spectral flame monitor
An oil flame monitoring system has an ultraviolet flame detector 1 and an infra red Flicker flame detector 2. The UV flame detector views a region 11 of the flame 5 known as the primary combustion...
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5365223 |
Fail-safe condition sensing circuit
A circuit for detecting whether the level of an electrical signal having a preselected polarity is above a preselected value, is powered by DC of the opposite polarity. This prevents current...
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