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7568908 |
Low fire start control
A direct gas-fired industrial air heater low fire start control, includes circuitry for simulating a resistant circuit which bypasses the discharge temperature sensors, the remote temperature...
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7553151 |
Timer relay control board
A heater (12) includes a burner (16), a valve (20), and an inducer (18). A thermostat (24) is electrically coupled to the heater (12) and a control board (44) is disposed in the heater (12) and...
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6981865 |
Catalyst combustion system, fuel reforming system, and fuel cell system
A catalyst combustor (11) includes an inner catalyst combustion portion (20) connected to a substitute fuel supply line (LS21, 12, 16) and a substitute oxidizer supply line (LS22, 13), an outer...
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6918757 |
Combustion apparatus
A combustion apparatus 2 has an anti-spreading member 65 disposed below a combustion chamber 10. This anti-spreading member 65 is composed of a generally cylindrical main body 65a, an outer flange...
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6908301 |
Control for catalytic combustor
A fuel injector (11) supplies liquid fuel to a catalytic combustor (9) of a fuel reforming device during startup of a fuel reforming device. A controller sets the injection amount (Qf) for liquid...
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6835062 |
Fuel oil supply circuit for an oil burner having a solenoid valve in parallel circuit with diaphragm valve for controlling oil flow at start up
A fuel oil supply circuit that includes two bypass mechanisms for burner startup including an electrical valve bypass in parallel circuit with a mechanical valve bypass. The fuel oil supply circuit...
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6786225 |
Three-stage relay control
A three-stage relay control is provided for regulating the flow of gas through, for example, gas valves. The relay control includes a control arm for providing three levels of gas flow and having...
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6652265 |
Burner apparatus and method
A burner apparatus is operated in a plurality of distinct modes. In a startup mode, flows of oxidant and primary fuel are ignited by an igniter and are provided simultaneously with a flow of...
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6604938 |
Device for gas burners
The invention relates to a device for gas burners, comprising at least two air nozzles 10, 11 for combustion air. The air nozzles 10, 11 are arranged in parallel. According to the invention, a flow...
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6595199 |
Stove for solid fuel
A stove for solid fuel, with sensor controlled, motor driven adjustment means for respective different types of intake air and with a control unit which is programmable for selective control of the...
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6488495 |
Lantern with improved choke
A gas operated lantern includes a control mechanism whereby a user may start gas flow through the lantern, operate a choke, and ignite the lantern. The user may perform these operations using the...
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6478574 |
Pump purge for oil primary
An oil burner control system is disclosed in which an extended time may be temporarily selected, in situations such as initial set up or periodic maintenance, for priming the pipes, filters and...
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6206687 |
High turndown modulating gas burner
A gas burner and method of controlling burning, the gas burner including a controller disposed in a control cabinet, a burner cabinet, an actuator and a blower, the blower being fluidly coupled to...
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6077068 |
Pulsated combustion apparatus and a method for controlling such a pulsated combustion apparatus
A direct ignition type pulsated combustion apparatus including a burner provided in a combustion furnace, a combustion air line connected to the burner for feeding combustion air to the burner, a...
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6048198 |
Catalytic combustion type heater
A catalytic combustion type heater set so as to reduce the exhaust emission at the time of ignition and the time of extinguishment by, at the time of ignition, providing a precombustion period and...
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6009840 |
Method for operating a boiler plant
When a boiler plant (100), which is equipped with an air plenum (104), is in operation, during the startup phase the admission pressure in this air plenum (104) is lowered in terms of time and...
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5938425 |
Method and device for control of the flame size of gas-fired cooking or baking appliances
A device and a method for the controlled reduction of the gas flow Q fed to a burner nozzle of a gas-fired cooking or baking appliance via a gas supply pipe. The gas supply pipe is branched into a...
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5749327 |
Method for controlling gas supply of a gas boiler
A method for gas supply pressure control is disclosed. Gas is supplied to a gas burner at a gas supply pressure which is higher than an ignition pressure, and after the ignition of the gas burner,...
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5716203 |
Injection apparatus for an atmospheric burner in a gas heating apparatus, especially of the infrared type, and heating apparatus provided with such an injection device
The invention relates to an injection device for burner heating apparatus provided with an air/gas mixture conduit including a Venturi element. This injection device comprises an injector holding...
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5685707 |
Integrated burner assembly
An integrated burner system is disclosed having a fuel supply assembly including a fuel control for variably limiting the flow of fuel into the burner along with a discrete air control for...
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5379752 |
Low speed interlock for a two stage two speed furnace
A two-stage induced draft furnace is operated at either high heat or low heat with the gas valve switched to high-fire or low-fire. High-fire and low-fire combustion pressure switches sense the...
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5240405 |
Waste oil heater system
An improved system to control the flame, efficiency and flow rate in a waste oil feed system and burner. The system controller comprises a positive displacement waste oil pump, a variable speed...
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5207569 |
Method for adjusting a burner during the start-up phase in a furnace operated by means of flue gas recirculation
A method for adjusting a burner during the start-up phase in a furnace operated with recirculated flue gas (3), the furnace is subjected to a pre-flushing period prior to start-up. The furnace is...
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5149265 |
Method for firing direct-fired burner
A method for providing uniform temperature in a furnace, such as a soaking pit or a reheat furnace is disclosed. Temperatures at a front wall and a burner wall within the heating chamber are...
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5046943 |
Air throttle control for a two-stage blower burner
A blower burner capable of operating in two burner steps comprises a drive for an air throttle capable of running in a first direction from closed to open and in a second direction from open to...
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5024209 |
Gas cooking appliance with at least one radiant gas burner arranged underneath a glass ceramic plate, as well as process for reducing the heating-up time of such a gas cooking appliance
In order to accelerate the heating of a burner plate of a cooking appliance with a glass ceramic cooking surface and a radiant gas burner, the radiant gas burner is operated during the heating-up...
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4982721 |
Restricted intake compensation method for a two stage furnace
The present invention discloses a method of compensating for a restricted intake in a two stage furnace. The furnace includes low and high pressure switches for determining if sufficient air is...
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4944098 |
High velocity running web dryer having hot air supply means
A high velocity web dryer which has a series of upper and lower air bars for floatingly suspending a running web as the web moves through the dryer. A hot air supplying system provides hot air to...
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4887767 |
Limit switch control method for a two-stage furnace
A two-stage gas furnace control system automatically shifts into a high fire only mode if, in two consecutive low fire heating cycles a limit switch is tripped to indicate that a gas valve is stuck...
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4875851 |
Steady state fuel burner assembly for a heat exchanger and method of operating same
An improved steady state fuel burner assembly and method of operation for a space heater wherein fuel and combustion air are initially ignited within a burner assembly with the resulting higher...
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4850530 |
Gas valve using modular construction
A gas valve for controlling the flow of a combustible, gaseous fuel to a burner employs a modular construction and is configurable to be fast or slow opening, to be step opening or to provide two...
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4802334 |
Augmentor fuel system
An optical sensor (40) located in the manifold area (20) of an augmentor senses the presence of liquid. The engine control provides a high fuel flow rate from remotely located augmentor fuel...
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4747771 |
Operation of a pulse-fired burner
A pulse-fired burner is operated by modulating a fuel supply rate between a pilot level and a main level to provide a flame the level of which modulates respectively between a pilot level during a...
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4699586 |
Method for igniting a multiburner furnace
A method for igniting a multiburner furnace safely and reliably without need for an additional furnace purge if not all burners ignite initially, comprising attempting reignition at defined low...
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4591332 |
Control device of a combustion apparatus
The feature of the present invention is that in the control device of the combustion apparatus, comprising an operational amplifier which compares a capacitor voltage charged by a flame rod...
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4571172 |
System for changing oxidants in a flame atomic absorption spectrophotometer
A flame atomic absorption spectrophotometer burner apparatus for burning a fuel such as acetylene as one essential gas in the oxidant such as nitrous oxide as another essential gas includes a...
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4541407 |
Cooking station for gas ranges
A cooking station for gas ranges whose burner works with super-stoichiometric combustion air premixing. The burner head arranged in a burner tray is connected with a mixing pipe via a ceramic...
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4465456 |
Variable firing rate burner
A variable firing rate burner with a throttle valve assembly that regulates fuel and air intake while maintaining a substantially constant fuel/air ratio over a wide fuel/air flow rate range. The...
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4425930 |
Fluid flow control apparatus and method
Apparatus and a method for controlling the flow of a fluid to a fluid-actuated system. The system is controlled by a sensor which senses a variable characteristic of the system, such as the air...
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4395225 |
Burner operated with liquid fuel for heating devices
A burner for use with liquid fuels in heating devices, especially vehicle heaters, as a low pressure atomizer arranged at one end of a combustion chamber that includes a burner insert and a nozzle...
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4364725 |
Blue-flame oil burner
A blue-flame oil burner including a flame-tube, a wall extending transvery of the flame-tube and defining the upstream end thereof, the wall having therein a metering orifice through which air...
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4305287 |
Apparatus for controlling energy conversion
A method of controlling energy conversion through the thermal processes which take place in a working space of a machine comprises measuring the temperature of the process by means of a temperature...
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4174941 |
Sleeve and damper for oil burner
A sleeve and damper to increase the efficiency of oil burner performance designed to substantially enclose the flame. The sleeve is heated by the flame to a temperature sufficiently high to assure...
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4116614 |
Oil heater having controlled oil flow
An oil heater particularly adapted to burning waste oil, having oil flow control apparatus providing substantially constant flow of oil to the vaporizer pan without regard to the viscosity of the...
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4060370 |
Manifold gas valve with stepped flow operation
A manifold gas valve for controlling gas flow to a burner has a diaphragm operated main valve, an electrically operated control valve, and means to delay the application of gas pressure to the main...
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4059386 |
Combustion heating apparatus to improve operation of gas pilot burners
A gas pilot burner arrangement in which only air from the blower discharge plenum connected to the main gas burner is initially supplied to the pilot burner to mix with gas being supplied to the...
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3986814 |
Device for automatically controlling a gaseous or liquid fuel fired appliance
A device for controlling a gaseous or liquid fuel fired appliance as a function of a parameter includes a fuel supply controlled by a valve operated in dependence on a signal furnished by means...
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3915188 |
Low pressure drop fuel distribution valve
A fuel supply system for a gas turbine engine includes a fuel control for delivering a metered flow of fuel and a fuel distribution valve for receiving the metered flow and apportioning the metered...
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3826604 |
METHOD AND APPARATUS FOR CHEMICAL WASTE DISPOSAL
A method and apparatus for disposing of flammable fluids by burning and including means for selectively injecting the fluids into the primary fuel supply of burner means at a controlled rate of...
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3766942 |
SYSTEM FOR SUPPLYING AN EMULSION OF LIQUID FUEL AND WATER TO A HEATING BURNER
A process and system for supplying an emulsion of liquid fuel and water to a burner capable of operating at a low heating rate and at least another higher heating rate. After stopping the normal...
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