Patents for F23N 5 - Systems for controlling combustion (9,434)
01/1982
01/19/1982CA1116721A1 Safety arrangement in a gas operated apparatus
01/19/1982CA1116720A1 Fail-safe gas feed and ignition sequence control apparatus and method for a gas-fired appliance
01/12/1982US4309977 Pulse combustion apparatus
01/12/1982US4309949 Method of controlling the opacity of the exhaust of the combustion of solid fuel and air in a furnace
01/05/1982US4309168 System for combining multiple fuels to produce controllable gas temperatures in asphalt drum mixers
01/05/1982US4308991 Programmable electronic thermostat
01/05/1982CA1115810A1 Natural draft combustion zone optimizing method and apparatus
12/1981
12/29/1981CA1115379A1 Direct ignition gas burner control system
12/29/1981CA1115157A1 Method of burning solid fuel in a closed firebox and a stove for carrying out the method
12/22/1981CA1114918A1 Infrared detector
12/16/1981EP0041694A1 Gas combustion apparatus capable of detecting environmental oxygen deficiency
12/16/1981EP0041552A1 Fuel supply and ignition control system employing flame sensing via spark electrodes
12/15/1981CA1114473A1 Fuel burner safe starting system
12/08/1981US4304545 Fuel supply and ignition control system employing flame sensing via spark electrodes
12/08/1981US4304249 Control units
12/08/1981CA1114040A1 Flame signal stabilization circuit
12/02/1981EP0040736A1 Process for the operation of a gasified-oil burner/heating boiler equipment
12/01/1981US4304003 Apparatus controlled by a microprocessor
12/01/1981US4303982 System for the measurement and control of the heat input to a gas burner
12/01/1981US4303385 Direct ignition system for gas appliance with DC power source
12/01/1981US4303384 Flame failure device
12/01/1981US4303383 Condition control system with safety feedback means
12/01/1981US4303194 Smoke prevention apparatus
12/01/1981US4303055 Waste oil heater having fuel control system
11/1981
11/25/1981EP0040373A1 Combustion regulator
11/24/1981CA1113176A1 Burner control system
11/17/1981CA1112553A1 Gas burner system
11/11/1981EP0039579A1 Heating system
11/10/1981US4300199 Thermostat
11/10/1981US4299557 Fuel burner control circuit
11/10/1981US4299556 Timer circuit arrangement in digital combustion control system
11/10/1981US4299555 Control circuit for combustion systems
11/10/1981US4299554 Automatic vent damper and fuel valve control
11/10/1981CA1112336A1 Control system for redundant valves
11/03/1981US4298335 Fuel burner control apparatus
11/03/1981US4298334 Dynamically checked safety load switching circuit
11/03/1981US4298163 Electronic multi-zone timed temperature control apparatus
11/03/1981CA1111933A1 Two-channel optical flame detector
10/1981
10/27/1981US4296727 Furnace monitoring system
10/27/1981CA1111339A1 Process and apparatus for the continuous burning of a fuel
10/21/1981EP0038193A1 Burner control apparatus
10/20/1981US4295603 Means controlling a flue damper
10/15/1981WO1981002922A1 Shavings-or chips-fired burner unit for heating boilers
10/13/1981US4295129 System condition indicator
10/06/1981CA1110347A1 Pilot gas conservation system for flare stacks
09/1981
09/30/1981EP0036613A1 Regulation apparatus for a gas-fired water or air heater which is controllable by a temperature sensor
09/29/1981CA1109944A1 Safety apparatus for stopping gas leakages
09/23/1981EP0036126A1 Combustion air flow control apparatus for combustion gas users
09/17/1981WO1981002615A1 Gas-flow regulating system
09/15/1981US4289476 Direct ignition gas burner control system
09/09/1981EP0035154A1 Thermoelectric safety pilot
09/09/1981EP0035147A1 Gas pressure regulator
09/08/1981US4288210 Gas collector/igniter for grills
09/08/1981CA1108723A1 Flame failure controls
09/08/1981CA1108498A1 Solid fuel furnace
09/07/1981EP0028231A4 Control of burners.
09/02/1981EP0034638A1 Installation for a gas burner
09/01/1981US4286474 Trim execution device
09/01/1981CA1108266A1 Flame sensor
08/1981
08/25/1981US4285663 Process and apparatus for the continuous burning of a fuel
08/04/1981CA1106472A1 Ignition/flame-detection device for a burner combustion control system
07/1981
07/21/1981US4280184 Burner flame detection
07/21/1981US4280058 Flame detector
07/21/1981US4279208 Combustion furnaces, pyrolysis
07/21/1981CA1105589A1 Fuel ignition control system
07/21/1981CA1105546A1 Recycling pilot ignition system
07/14/1981US4278419 Primary oil burner safety control and intermittent ignition system
07/14/1981US4278052 Boiler control system
07/07/1981US4276857 Boiler control systems
07/07/1981CA1104696A1 Control systems for apparatus
07/01/1981EP0031145A1 Method and apparatus for determining the volumetric heat content of gaseous fuels
06/1981
06/30/1981CA1104234A1 Flame detector
06/30/1981CA1104228A1 Discriminating fire sensor
06/24/1981EP0030736A2 Device for controlling the combustion mixture of a burner
06/16/1981CA1103332A1 Burner control apparatus
06/11/1981WO1981001605A1 Fuel supply and ignition control system employing flame sensing via spark electrodes
06/02/1981US4270470 Combustion system and method for burning fuel with a variable heating value
06/02/1981US4270466 Method and apparatus for rendering an ignitable fuel-oxygen mixture inert
05/1981
05/27/1981EP0029102A1 Control device for an oil burner with an oil preheating device
05/26/1981US4269590 Radiant burner
05/26/1981US4269589 Solid state ignition control
05/19/1981US4268750 Realtime radiation exposure monitor and control apparatus
05/19/1981US4267966 Programmable thermostat
05/19/1981US4267820 Control mechanism for a gas-fired water heater
05/13/1981EP0028260A1 Apparatus for imaging objects
05/13/1981EP0028231A1 Control of burners
05/12/1981US4267152 Anti-pollution thermal regeneration apparatus
05/12/1981US4266930 Gas collector/spark igniter for gas burners
05/05/1981US4265613 Safety device for an oil burner
05/05/1981CA1100601A1 Fuel burner sequencing device with safety checking means
05/05/1981CA1100600A1 Cycling pilot burner control system with safety timing means
04/1981
04/29/1981EP0027504A1 Ignition safety valve for gas or oil heated appliances
04/28/1981US4264297 Control system for combustion apparatus
04/28/1981US4263928 Fuel security device
04/28/1981US4263886 Method and apparatus for controlling a liquid fuel space heater
04/28/1981CA1100030A1 Safety control for furnace burner
04/21/1981US4262843 Method of and apparatus for controlling the feed amount of air for combustion in a natural draft-type heating furnace
04/07/1981US4260363 Furnace fuel optimizer
04/07/1981US4260362 Fuel ignition control arrangement having a timing circuit with fast reset
03/1981
03/25/1981EP0025622A1 Device for heating a fluid
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