| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 431089000 | By condition of burner feed or feed means | 16 |
| 20090130616 | METHOD FOR DETERMINING AN AIR RATIO IN A BURNER FOR A FUEL CELL HEATER, A FUEL CELL HEATER - A method for determining an air ratio in a burner for a fuel cell heater having an ionization sensor in the range of the flame and which is fed with two different gases for combustion, one of said gases being obtained from a gas treatment, wherein a measurement signal of the ionization sensor is converted into an actual value for the air ratio depending on one or more variable of states of the gas treatment. | 05-21-2009 |
| 20100047728 | COMBUSTION APPARATUS FOR A GAS BOILER - Disclosed is a combustion apparatus of a gas boiler. The combustion apparatus of the gas boiler includes a structure that can improve a TDR of a burner, and can increase an efficiency of a gas boiler by preventing oxygen concentration of exhaust gas from being rapidly increased in a low output area The combustion apparatus includes: an air blower for supplying air required for combustion; a proportion control valve for controlling a supply flow rate of gas; a nozzle part connected to the proportion control valve, the nozzle part supplying gas according to opening and closing of auxiliary valves and including a plurality of nozzles connected in parallel with one another; a mixing chamber for mixing the air supplied from the air blower and the gas passed through the nozzle part, and then supplying the mixed air and gas to a bumer surface; and a controller for controlling the number of rotations of the air blower according to opening and closing of the proportion control valve and the auxiliary valves, so as to supply only an amount of air as much as that required for combustion. | 02-25-2010 |
| 20100330517 | Continuous Real Time Heating Value (BTU)/Coal Flow Balancing Meter - A method and an apparatus for continuous real time heating value/coal flow balancing of coal from a coal feeder to a burner. The apparatus includes a Dual-energy Gamma Attenuation (DGA)/Multi-energy Gamma Attenuation (MGA) device for measuring coal quality at a specific location between the coal silo/bunker and the coal feeder in a coal fired plant in order to control the individual burner stoichiometries according to the measured coal quality. By strategically placing the DGA/MGA device, continuous accurate real-time coal quality information is accomplished for making individual adjustments in order to improve stoichiometry to optimize performance of the system. | 12-30-2010 |
| 20110081619 | REGULATING DEVICE FOR GAS BURNERS - Regulating device for gas burners for providing a gas/air mixture, with a mixing device for mixing a gas flow with a combustion air flow and therefore for providing the gas/air mixture, wherein in a gas line which conducts the gas flow at least one gas valve is positioned, which is adjusted in dependence upon a measurement signal of an electric or electronic sensor, wherein the sensor acts on the gas line by a measuring point and wherein a reference pressure prevails on a reference point of the sensor. The mixing device may be formed as a Venturi nozzle, wherein the gas line leads to a mixing region of the Venturi nozzle in which the gas flow and the combustion air flow are mixed, wherein the reference point of the sensor acts on a device in which the reference pressure prevails, and wherein the device may be connected via a connecting line to the Venturi nozzle, that is to say to a region of the Venturi nozzle which lies downstream of the mixing region of the Venturi nozzle. | 04-07-2011 |
| 20110223549 | Laminar Flow Combustion System and Method for Enhancing Combustion Efficiency - A high efficiency laminar flow burner system for proving a stream of heat energy including a supply input module for providing fuel and laminar streams of air to a combustion manifold. The combustion manifold includes an air-fuel mixing system, a stoichiometric unit, and a refractory unit each coupled to one another. A first combustion stream is established at the air-fuel mixing chamber system as fuel exits an injector device at direction perpendicular to the laminar air intake stream. A laminar air intake stream traveling from the supply input module and along the staging passageway passes through a stoichiometric unit body at a plurality of air intakes to meet with the first combustion stream within to define a second combustion stream for introduction from the stoichiometric unit to the refractory unit. The refractory unit thus defines a third combustion stream as the second combustion stream travels across a refractory passageway. | 09-15-2011 |
| 20120045726 | Dual Fuel Gas Heater - A dual fuel vent free gas heater. In one implementation the heater includes a gas burner adapted to receive one of a first type of gas or of a second type of gas with a first pilot burner intended to receive the first type of gas and a second pilot burner intended to receive the second type of gas. A first temperature sensor is located adjacent the first pilot burner and a second temperature sensor is located adjacent the second pilot burner. A normally closed thermal switch is coupled to the first temperature sensor and located in the electrical flow path between a voltage source and a gas control valve actuator, the thermal switch configured to open when the temperature detected by the first temperature sensor exceeds a predetermined temperature indicative that the second type of gas is being delivered to the first pilot burner. | 02-23-2012 |
| 20120295206 | COMBUSTION EFFICIENCY CONTROL SYSTEM FOR A LAMINAR BURNER SYSTEM - A high efficiency laminar flow burner system for proving a stream of heat energy including a supply input module for providing fuel and laminar streams of air to a combustion manifold. The laminar air delivery system includes a damper, a blower, and an air delivery controller. The air delivery controller receives an efficiency signal to control the flow of a laminar air intake stream by adjusting the damper. The combustion manifold includes an air-fuel mixing system, a stoichiometric unit, and a refractory unit each coupled to one another. The laminar air intake stream traveling from the supply input module passes through a stoichiometric unit body to meet with a first combustion stream from an air-fuel mixing chamber within the stoichiometric unit body to define a second combustion stream. The second combustion stream then travels across the refractory passageway to define a third combustion stream. | 11-22-2012 |
| 20120315587 | SYSTEM FOR FLARE GAS RECOVERY - The system fulfils the requirements for safety with its active opening device and with its two levels of different independent mechanical protections against overpressure including a BD with block valves and the BPV without any block valves. | 12-13-2012 |
| 20130316293 | FLOW METER DEVICE - A gas instrument determiner section ( | 11-28-2013 |
| 20140248568 | SAFETY PRESSURE SWITCH - A safety pressure switch can be used with a gas appliance. The gas appliance can be a single fuel or a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The safety pressure switch can be fluidly connected to a fuel input and electrically coupled to a pilot assembly. | 09-04-2014 |
| 20140248569 | HEATING ASSEMBLY - A heating assembly can include a gas hook-up and a pressure switch. The pressure switch can be in fluid communication with the gas hook-up and be movable at a predetermined threshold pressure from a first position to a second position. The pressure switch can be further configured such that if a fuel is connected to the gas hook-up that has a delivery pressure either above the predetermined threshold pressure in one situation or below the predetermined threshold pressure in another, the fuel will act on the pressure switch to move it from the first position to the second position. | 09-04-2014 |
| 20140342295 | STOVE - A stove has a fuel reservoir which communicates via fuel supply line with a burner. A stop valve in the fuel supply line controls fuel supply from the fuel reservoir to the burner. A normally-open emergency shut-off valve in the fuel supply line is operable to close the fuel supply line if the fuel pressure rises a preset amount above a normal operating pressure due to overheating of the fuel reservoir for example. | 11-20-2014 |
| 20150345784 | DUAL VENTURI FOR COMBUSTOR - The present invention relates to a dual venturi for a combustor and, specifically, to a dual venturi for a combustor, which adjusts the amount of gas and air supplied to a burner of a hot water heater and has a motor combined with a damper in order to increase a turn-down ratio (TDR), such that the damper is rotated by the driving of the motor so as to simultaneously open or close secondary air and gas inlets, thereby enabling efficient heating control. The present invention has a separate opening/closing means which is capable of controlling, in two stages, the amount of air and gas flowing into the combustor such as the hot water heater, wherein the opening/closing means comprises the motor and the damper, and the damper is rotated by the driving of the motor so as to simultaneously open or close the secondary air and gas inlets, thereby enabling the control of the amount of air and gas. | 12-03-2015 |
| 20160123584 | 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. | 05-05-2016 |
| 431090000 | Sensor of one feed controls another feed | 2 |
| 20120040297 | APPARATUS FOR MIXING AND PROPORTIONING OIL AND WATER - An apparatus for mixing and proportioning oil and water comprises an upper lid, a first chunk member, a holder, a second chunk member and a base. The first chunk member and second chunk member have respectively an oil inlet, an oil-water mixture outlet and a water outlet that are connected with one another to receive and discharge oil and water. The first and second chunk members have respectively two oil flow gears and two water flow gears that engage with each other to control oil and water entering ratio to achieve optimal combustion efficiency. In the base, a located water regulation valve is adjusted to buffer water intake ratio responding to internal pressure alterations. The water regulation valve forms a buffer passage allowing different ratios of water to flow to the water in/out passage so that an improved oil-water mixture is achieved to enhance combustion efficiency of the combustion system. | 02-16-2012 |
| 20150330630 | Variable Air to Product Ratio Well Burner Nozzle - A well test burner system includes a plurality of burner nozzles. At least one of the burner nozzles includes a well product inlet, an air inlet, an air/well product mixture outlet, and an automatic valve. The automatic valve is configured to automatically adjust a ratio of air and well product supplied to the air/well product mixture outlet based on the well product received via the well product inlet. | 11-19-2015 |
