| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 431075000 | By combustion or combustion zone sensor | 32 |
| 20080241772 | Device for the Multifunctional Control of the Supply of a Combustible Gas to a Burner Apparatus - A device for the multifunctional control of the supply of a combustible gas to a burner apparatus is disclosed and comprises, in a main gas supply duct, an electromagnetically controlled electrovalve with an on/off function, a flow regulator downstream of this electrovalve and comprising a valve seat, a respective shutter associated therewith and controlled by a reversible electric motor, such as a step-by-step motor, for the control of the displacement of the shutter with respect to the valve seat. In the device the intercepted condition of the valve seat is detected and a signal correlated with the detected intercepted condition of the valve seat is generated this signal being adapted to supply the corresponding consent for the control to open or close the electrovalve, in order to enable or prevent the passage of gas through this duct in the phases of ignition and extinction of the burner respectively. | 10-02-2008 |
| 20080318173 | Heating Burner - The invention relates to a heating burner, in particular a heating burner for the combustion of long chain liquid fuel. The heating burner according to the invention comprises a control device which controls its actuators, namely an ignition device for igniting the fuel, an air delivery device for delivering combustion air and a fuel delivery device for delivering fuel to the ignition device, in such a way that the fuel is ignited at periodically recurring ignition intervals and burns for an adjustable combustion interval, wherein the heating capacity can be regulated at the interval concerned for the duration of the combustion interval by the control device. | 12-25-2008 |
| 20090092937 | Electronic Gas Control System - An electronic gas control apparatus including a variable flow valve, an igniter, a flame sensor, and an electronic controller is provided. The valve has a flow range that equals or exceeds a required flow range for any one of the types of gas suitably combusted by the burner. The electronic controller is operably coupled to each of the valve, the igniter, and the sensor. The electronic controller is configured to activate the igniter, to receive a flame status signal from the sensor, and to recognize a position of the valve when the flame status signal indicates a flame at the burner. As such, the electronic controller is calibrated for the gas, line-pressure, jet and burner configuration being used. | 04-09-2009 |
| 20100015559 | Micro-Pilot For Gas Appliance - A micro pilot for a gas hot water heater is provided. The micro pilot provides a flame that is substantially smaller than a typical pilot in a hot water heater during standby operation of the burner. Just prior to allowing gas to flow to the burner upon a call for heat, a pilot flame of sufficient size to ensure ignition of the burner is provided. In one embodiment this larger pilot flame is produced by providing an additional amount of bleed gas to the pilot to increase flame size. In another embodiment, bleed gas is provided to a separate booster pilot, which is ignited by the micro pilot. The flame from the booster pilot is then used to ignite the main burner. This design allows for the micro pilot to be positioned closer to the flame trap of a flammable vapor resistant hot water heater to ensure smooth ignition of any such vapor. | 01-21-2010 |
| 20100112499 | SAUNA STOVE HEATING METHOD AND STOVE - A sauna stove and a method to be used for producing heat needed for bathing, the sauna stove comprising one or more reception elements ( | 05-06-2010 |
| 20100285414 | FUEL SUPPLY DEVICE - A fuel supply device for generating mixed gas in which air and/or oxygen are mixed into fuel gas and supplying the mixed gas to a burning appliance comprises a flow rate control module disposed in a supply path of the fuel gas and flow rate control modules disposed in supply paths of the air and/or the oxygen. The flow rate control module includes a thermal mass flow rate sensor, a first calculator for calculating the thermal flow rate of the fuel gas from the output of the thermal mass flow rate sensor, a control computing unit for controlling the flow rate of the fuel gas via a flow rate regulating valve according to the calculated thermal flow rate, a second calculator for calculating the calculated calorific value per unit volume of the fuel gas, and a computing unit for computing the ratio of the calculated calorific value to the reference calorific value per unit volume of the fuel gas in a reference state. The ratio is used for the control of the flow rates of the air and/or oxygen by the flow rate control modules. | 11-11-2010 |
| 20100304317 | CONTROL VALVES FOR HEATERS AND FIREPLACE DEVICES - In certain embodiments, a control valve assembly for gas heaters and gas fireplace devices includes a housing. The housing can define an inlet for accepting fuel from a fuel source, a first outlet for delivering fuel to an oxygen depletion sensor, and a second outlet for delivering fuel to a burner. The assembly can include a valve body configured to selectively provide fluid communication between the inlet and one or more of the first outlet and the second outlet, and can include an actuator configured to move the valve body relative to the housing. The actuator can be configured to transition between a resting state and a displaced state. The assembly can include an igniter that includes a sensor, the igniter electrically coupled with an electrode and configured to repeatedly activate the electrode when the sensor senses that the actuator is in the displaced state. The assembly can include a shutoff valve electrically coupled with the oxygen depletion sensor and configured to operate in response to an electrical quantity communicated by the oxygen depletion sensor. | 12-02-2010 |
| 20100330516 | FLAME SCANNING DEVICE AND METHOD FOR ITS OPERATION - A flame scanning device is provided for monitoring a flame. The device includes a radiation collection and transmission element for collecting flame radiation and transmitting it to detection elements, a flame sensor element for the detection of radiation and conversion of the detected radiation into electrical signals, and an evaluation unit for the conversion of the electrical signals into flame parameters. The flame sensor element can include at least two individual detectors each with an individual central detection wavelength and a width of observation window, respectively. The individual central detection wavelength and the width of observation window are not overlapping and are covering individual regions of interest of the spectrum of radiation. | 12-30-2010 |
| 20110014578 | Coal-fired power station and method for operating the coal-fired power station - In a method for operating and controlling/regulating a power station comprising a coal-fired steam generator ( | 01-20-2011 |
| 20120276487 | BURNER SYSTEM - A grounded burner, actuators adjusting the supply of fuel and air to the burner, an ionization electrode in the flame region, a flame amplifier at the ionization electrode generating an ionization signal, and a final control device are included in a burner system. During air ratio control mode, the final control device sets a first actuator and adjusts a second actuator. During voltage control mode a voltage regulator controls the AC voltage source using the AC voltage measured by the voltmeter, in conjunction with an ionization current amplifier. The voltmeter is connected in parallel with a sequence of the ionization electrode, the flame region, the burner and the input of the ionization current amplifier. The voltage regulator is connected to the voltmeter such that, during voltage control mode, the time-averaged current caused by the voltmeter through the connection is less than 5% of the time-averaged current through the ionization electrode. | 11-01-2012 |
| 20130273482 | Dual Fuel Heater - A heater having first and second oxygen depletion sensors and a main burner injector and configurable for the delivery of at least first and second types of fuels. | 10-17-2013 |
| 20150017591 | SYSTEMS AND METHODS FOR ADVANCED CLOSED LOOP CONTROL AND IMPROVEMENT OF COMBUSTION SYSTEM OPERATION - A system includes an analytics system including a processor configured to receive an indication of a detectable radiation associated with a combustion system. The detectable radiation includes multidimensional granular data associated with an operation of the combustion system. The processor is configured to determine a first value of one or more operational characteristics of the combustion system based at least in part on the indication of the detectable radiation, and to derive an output. The output includes a second value derived based on the first value of the one or more operational characteristics to adjust the first value thereto. | 01-15-2015 |
| 20180023810 | PREFABRICATED INTEGRATED COMBUSTION ASSEMBLIES AND METHODS OF INSTALLING THE SAME INTO A COMBUSTION SYSTEM | 01-25-2018 |
| 431076000 | Combustion product composition sensor | 8 |
| 20080293001 | BURNER IGNITION CONTROLLER - A fuel burner controller and associated method is configured to establish fuel combustion in a fuel burner and to recycle a fuel combustion initiation process when a loss of combustion is detected and a call for heat is asserted. The controller is further configured to limit a number of recycles of the fuel combustion initiation process based on a time budget. | 11-27-2008 |
| 20090017406 | COMBUSTION CONTROL SYSTEM OF DETECTION AND ANALYSIS OF GAS OR FUEL OIL FLAMES USING OPTICAL DEVICES - A system of detection and analysis of gas or fuel oil flames using optical devices, consisting of a sensor that targets the flame's reaction zone through an optical access, a processing and control module, and an actuator, responsible for controlling the damper. The system optimizes combustion equipment operation by controlling the damper, obtaining better performance and reducing polluting emissions. | 01-15-2009 |
| 20100028819 | Combustion gas analysis - A chemical analysis method for determining the concentration of carbon monoxide, gaseous water and gaseous hydrocarbon in a combustion gas. The method includes the following steps: (a) directing wavelength modulated light from a single tunable diode laser at a wavelength in the range of from 2 to 2.5 micrometers through the combustion gas to a light detector to produce an absorption profile of the combustion gas (b) digitizing the adsorption profile of the combustion gas; (c) storing the digitized adsorption profile in a digital computer; (d) processing the digitized adsorption profile in the digital computer to produce an output from the computer indicative of the concentration of carbon monoxide, gaseous water and gaseous hydrocarbon in the combustion gas. | 02-04-2010 |
| 20100112500 | APPARATUS AND METHOD FOR A MODULATING BURNER CONTROLLER - This invention describes a modulating burner controller device for varying burner combustion over a wide range and has an output that integrates the control of all functions required to operate the burner. Specifically, the controller uses measured feedback from a fuel flow sensor to attain the proper mixture of fuel and air for optimum combustion performance for both individual and multiple the burner applications. | 05-06-2010 |
| 20110045422 | OPTICAL FLUE GAS MONITOR AND CONTROL - A plurality of optical monitoring systems | 02-24-2011 |
| 20120034569 | SENSOR CONTROLLER - A sensor controller for a particulate matter detection sensor includes a heater configured to heat an attachment portion so as to burn and remove particulate matter attached to the attachment portion, a learning portion for obtaining a sensor detection value immediately after burning and removing the particulate matter due to heating of the heater. The leaning portion calculates a sensor standard value based on the obtained sensor detection value in a state where the particulate matter is removed, and stores the sensor standard value as a learning value. Furthermore, a correcting portion corrects the sensor detection value based on the sensor standard value stored by the learning portion. | 02-09-2012 |
| 20140080075 | BURNER CONTROL SYSTEM - A burner control system for improving burner performance and efficiency. The system may determine fuel and air channel or manifold parameters. Determination of parameters may be performed with a sensor connected across the air and fuel channels. A signal from the sensor may control the parameters which in turn affect the amounts of fuel and air to the burner via a controller. Parameter control of the fuel and air in their respective channels may result in more accurate fuel and air ratio control. One or more flow restrictors in fuel and/or air bypass channels may further improve accuracy of the fuel and air ratio. The channels may be interconnected with a pressure or flow divider. Byproducts of combustion in the exhaust, temperatures of gas and air, flame quality and/or other items may be monitored and adjusted with control of the fuel and air ratio for optimum combustion in the burner. | 03-20-2014 |
| 20160076767 | SYSTEM AND APPROACH FOR CONTROLLING A COMBUSTION CHAMBER - A system for controlling activity in a combustion chamber. The system does not necessarily need to be mechanically adjusted and yet may provide precise control of a fuel air mixture ratio. A sensing module of the system may have a mass flow sensor that relates to air flow and another sensor that relates to fuel flow. Neither sensor may need contact with fuel. Fuel and air to the system may be controlled. Pressure of the fuel and/or air may be regulated. The sensors may provide signals to a processor to indicate a state of the fuel and air in the system. The processor, with reliance on a programmed curve, table or the like, often based on data, in a storage memory, may regulate the flow or pressure of the fuel and air in a parallel fashion to provide an appropriate fuel-air mixture to the combustion chamber. | 03-17-2016 |
| 431077000 | Of shutdown by response to sensed combustion failure or overheat | 11 |
| 20090214994 | Device for Igniting and Kindling a Fireplace - A device for igniting combustible means, especially solid combustibles such as wood, charcoal, and similar. The device includes a pressurized receptacle that is filled with a combustible medium, a spring-loaded actuating valve which selectively opens and closes a discharge port of the receptacle, preferably by applying pressure with a fingertip, and a top part that is joined to the discharge port and has a tubular extension having an adequate length. | 08-27-2009 |
| 431078000 | By electrical control circuit | 10 |
| 20090253087 | 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 of the level of carbon monoxide gas. The control further includes a microprocessor that periodically reads the CO sensor output and stores at least one sensor output value in a memory, wherein the microprocessor responsively discontinues the operation of the appliance when the microprocessor detects a sensor output that has increased by more than a predetermined amount over at least one previously stored sensor output value. In one embodiment, the control is preferably configured to periodically read the sensor output value, and responsive discontinue operation of an appliance upon sensing a predetermined increase of at least a 50 percent increase over the previously monitored sensor output value over a period of about 15 to 90 minutes. | 10-08-2009 |
| 20100009304 | METHOD AND APPARATUS FOR EMISSIONS DETECTION IN A COMBUSTION APPLIANCE - A furnace system that generates heat by combustion is provided. The furnace system includes a sensor ( | 01-14-2010 |
| 20100291494 | FLAME ROD ANALYSIS SYSTEM - A flame rod analysis system, methods for determining a condition of a flame and a flame rod, and circuits for determining a condition of a flame and a flame rod. The flame rod analysis system comprises energy storage connectable to a flame rod, a pulsed source connected to the energy storage and providing a voltage pulse or a current pulse, and a buffer to allow a processor to measure a buffered voltage at various time points. Flame rod analysis systems can distinguish between various flame conditions (no flame, low flame, etc.) while simultaneously characterizing the condition of the flame rod (shorted to ground, contaminated, etc.). Some flame rod analysis systems can directly measure the resistance of the flame rod. | 11-18-2010 |
| 20120156628 | CONTROL FACILITY FOR A BURNER SYSTEM - A control facility is provided for a burner system having a burner, actuators with which the supply of fuel and air to the burner is set, and an ionization electrode arranged in the flame zone. The control facility is equipped with a flame amplifier at the ionization electrode to generate an ionization signal and a positioning facility which, in control operation, positions a first actuator and regulates a second actuator by using a corresponding target value for the ionization signal. The positioning facility carries out a control operation in a first test step, it shifts the actuators toward a supply ratio corresponding to an air coefficient above the stoichiometric value of λ=1 and in so doing captures the ionization signal in a second test step, and it calculates a target value from this and from stored data in a third test step. Correction of drift therefore takes place. | 06-21-2012 |
| 431079000 | Photoelectric sensor | 5 |
| 20080299505 | Method for evaluating the state of a fuel/air mixture - The invention relates to a method for evaluating the state of a fuel/air mixture and/or the combustion in a combustion chamber of an internal combustion engine, with sample signals of flame light signals, preferably the flame intensity (F | 12-04-2008 |
| 20130273483 | FLAME SENSOR - A flame sensor apparatus is provided including a sensor for sensing specific characteristics of a flame within a combustion chamber. The sensor includes a silicon carbide photodiode, and the sensor is spaced a distance from the combustion chamber. In addition, a fiber optic cable assembly extends between the sensor and the combustion chamber. The fiber optic cable can convey the specific characteristics of the flame from the combustion chamber to the sensor. The fiber optic cable assembly is included as part of a sealed array filled with an inert gas. In addition, a method of sensing specific characteristics of a flame is also provided. | 10-17-2013 |
| 20140212824 | SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS PROVIDING FLAME DETECTION - A system includes a flame detector with a photon detecting portion and a processing portion, the processing portion including a processor-based device programmed to provide the following functions: receiving input regarding a type of burner and a type of fuel, applying a flame detection configuration to the burner scanner according to the received input, and performing a flame detection process according to the flame detection configuration. | 07-31-2014 |
| 20140287369 | Dual/Redundant Self Check Ultraviolet Flame Sensor and Combustion Safeguard Control - Two UV tubes are contained in one ultraviolet sensor to monitor one burner flame. Each UV tube is powered during a different time cycle to eliminate interference between the two UV tubes. This is made possible by two rectifier circuits being powered by two transformers that are 180° out of phase with each other. Self check is accomplished by the redundancy of two amplifiers providing output to two flame relays so that if one UV tube was to fail in the conducting mode, the combustion safeguard control will continue to safely monitor the flame by powering the fuel valve when the flame is present and removing power to the fuel valve when the flame goes out. | 09-25-2014 |
| 20160123587 | HEATING SYSTEM SHUT-OFF SAFTEY DEVICE - A heating system shut-off safety assembly includes a housing coupled to an electrical line for a heating unit. A processor is coupled to the housing and the electrical line to allow and restrict an electrical current in the electrical line. A first carbon monoxide sensor is coupled to the housing and the processor to detect carbon monoxide. A heat sensor is coupled to the housing and the processor to detect heat from the heating unit. A smoke sensor is coupled to the housing and the processor to detect smoke from the heating unit. A second carbon monoxide sensor is coupled to a warm air discharge and the processor to detect carbon monoxide in the warm air discharge. The processor restricts the current in the electrical line when the first carbon monoxide sensor, the second carbon monoxide sensor and smoke sensor detects carbon monoxide or smoke to disable the heating unit. | 05-05-2016 |
| 431080000 | Thermoelectric generator sensor | 1 |
| 20140120480 | Gas burner for a household appliance - A compact thermoelectric safety actuator having a first body with a first cavity and a second body with a second cavity. The first and second bodies are connected so that the first and second cavities are arranged facing and open to one another. The first body has a gas outlet and the second body has a gas inlet in fluid communication with the gas outlet through the second cavity, An electromagnet of the actuator has a first end portion residing in the first cavity and a second end portion residing in the second cavity. A rotatable arm has a first end with a ferromagnetic frame adapted to engage the second portion of the electromagnet and a second end coupled to a sealing member, each of the tilting arm, ferromagnetic frame and sealing member are arranged in the second cavity. The first sealing member is configured to seat against a seating located on the first body when the arm is in a rest position, the first seating being located between the gas outlet and the second cavity. | 05-01-2014 |
