Patents for F23N 5 - Systems for controlling combustion (9,434)
08/1992
08/18/1992US5139412 Method and apparatus for profiling the bed of a furnace
08/12/1992EP0498619A2 Flame detection circuit and method
08/12/1992EP0498034A2 System for monitoring a combustion apparatus
08/12/1992CN1063543A Automatic safety controlling circuit for gas burner
08/12/1992CA2060914A1 Combustor degradation detection system
08/11/1992CA2003799C Vent overpressurization detection system for a fuel-fired induced draft furnace
08/06/1992DE4202831A1 Pre-mixing gas burner - has bimetal strips hinging half-way along distribution chamber and guided in end slots
08/05/1992EP0497147A2 Redundant automation system
08/04/1992US5135162 Process and equipment designed to control a burner for heating systems
08/04/1992CA1305905C Fuel control valve construction, parts therefor and methods of making the same
07/1992
07/30/1992DE4102360A1 Controlling oil force draught burner - using blower motor oil pump, fuel valve, mixer and ignition unit with air throughput reduced during ignition
07/29/1992CN2111458U Gas safety time control unit
07/28/1992US5133656 Fuel burner valve operator circuit with intermittent ignition
07/22/1992CN1017544B Consequently self-closing securety valve in failure of reducing pressure
07/21/1992US5131837 Backup trial for ignition timer
07/21/1992CA1305536C Heating element operating unit and method
07/14/1992CA1305111C Control system for a furnace operating in the continuous blower mode
07/08/1992CN2109515U Safety device for gas burning stove
07/07/1992US5127823 Control system for a gas furnace, control device therefor and methods of making the same
07/07/1992US5127822 Combustion apparatus with atomizer and method of controlling same
07/07/1992US5127772 Method and apparatus for the control of suspension density by use of a radiation source
07/07/1992US5127464 Thermostat providing electrical isolation therein between connected heating and cooling transformers
07/02/1992DE4142841A1 Start control for burner - using progressively reduced airflow until burn is detected by ignition electrodes
07/01/1992EP0492670A2 Gas heater
07/01/1992EP0492057A1 Gas-cock
06/1992
06/30/1992US5126934 Gas distribution system
06/30/1992US5126721 Flame quality monitor system for fixed firing rate oil burners
06/30/1992CA1304226C Cooling system for gasifier burner operation in a high pressure environment
06/25/1992WO1992010705A1 Flame detector
06/23/1992US5124957 Filter alert apparatus
06/23/1992CA1304143C Electronic thermostat employing adaptive cycling
06/23/1992CA1303960C Flame arresting conduit section, combustor and method
06/23/1992CA1303959C Device for controlling fuel combustion in a burner
06/17/1992DE4040051A1 Gas oven burner with two or more burner tubes - uses tubes in different combinations to achieve wide temp. range and gas quantity controller
06/17/1992DE4039698A1 Low toxicity and economic combustion of solid fuel - using recombustion after combustion in one or more passes and measuring exhaust gas flow in chimney by means of gas monitor probe
06/16/1992US5122054 Device for stopping a radiant burner automatically in the event of ignition
06/16/1992US5122053 Apparatus and method for the combustion of liquid or gaseous fuels
06/16/1992US5121880 Mode selector for a heating system controller
06/09/1992US5120975 Gas turbine flame detection system with reflected flame radiation attenuator
06/09/1992US5120214 Acoustical burner control system and method
06/09/1992CA1303184C Anti-bounce logic for critical loads
06/03/1992EP0488969A2 Air-fuel ratio control device for heat generators, particularly for civil plants
06/02/1992CA1302168C Automatic combustion control for a rotary combustor
05/1992
05/30/1992CA2034099A1 Water heater
05/29/1992WO1992008930A1 Gas burner system, gas burner and a method for combustion control
05/27/1992EP0487059A2 Method of reducing the friction coefficient between water and surfaces of polymeric bodies
05/27/1992EP0486913A2 Improved thermostat with safety device
05/26/1992CA1301727C Device for controlling heater for motor vehicle
05/20/1992EP0485753A1 Game
05/20/1992CN1061271A Gas cooker
05/19/1992US5113770 Apparatus for incinerating waste materials
05/19/1992CA1301285C Heater for motor vehicles which can be operated on several power settings
05/13/1992EP0484475A1 Security system for a combustion heating installation
05/12/1992US5112217 Method and apparatus for controlling fuel-to-air ratio of the combustible gas supply of a radiant burner
05/12/1992US5112215 Apparatus for combustion, pollution and chemical process control
05/06/1992EP0484038A1 Flame detector using a discrete Fourier transformer to process amplitude samples from a flame signal
05/01/1992CA2052278A1 Flame detector using a discrete fourier transformer to process amplitude samples from a flame signal
04/1992
04/29/1992EP0482857A1 Intermittent pilot type burner control with a single control relay
04/29/1992EP0482856A1 Fuel burner having an intermittent pilot with pre-ignition testing
04/29/1992CN1060706A Vaporization device of domestic vaporization oil stove
04/29/1992CN1060705A Time automatic valve stop control unit for gas stove
04/28/1992US5107777 Enriching normal process air, biomas generated during wood pulp and paper manufacture
04/28/1992US5107673 Method for detecting combustion conditions in combustors
04/23/1992DE4134230A1 Heating system consisting of burner and exhaust collecting chamber - has condensation drain controlled by spring-loaded valve in bottom of exhaust chamber
04/22/1992EP0481593A2 Fuel circulation control system
04/21/1992US5107129 Fiber optic solid/hybrid rocket motor grain regression rate sensor
04/21/1992US5107128 Method and apparatus for detecting flame with adjustable optical coupling
04/21/1992US5106293 System for detecting the condition of ignition assemblies
04/16/1992DE4032347A1 Detecting air leakage in steam generator - measuring quantities of combustion gases, fuel, obtained ash and supplied combustion air
04/15/1992EP0480312A1 Air flow monitor device for burners
04/15/1992EP0480047A1 Method of controlling combustion in fluidized bed incinerator
04/15/1992CN1060348A Auto-control cooking stove with ability of sensing boiling
04/15/1992CN1016264B Method and automatic optimization system of combustion processes in thermal objects
04/09/1992DE4036417C1 Test device e.g. vehicle heater - has program memory holding test and diagnostic processes to be controlled
04/07/1992US5102328 Blue flame burner
04/07/1992US5102039 Fuel control device and method of making the same
04/02/1992DE4030233A1 Operating two stage burner for low and medium power - having two power stages switched on respectively to cover basic heat requirements and increased heat when needed
04/01/1992EP0478481A1 Method for improving the combustion of a burner with air fan and device for carrying out the method
04/01/1992EP0478359A2 Control device
03/1992
03/25/1992EP0476601A1 Burner flame sensing system and method
03/25/1992EP0476576A2 Fuel valve safety circuit for microprocessor controlled ignition timer
03/25/1992CA2052089A1 Process for improved combustion in an air-blown burner and operating means
03/24/1992USRE33857 Imaging of hot infrared emitting surfaces obscured by particulate fume and hot gases
03/24/1992US5099108 Electric control system for liquid heating apparatus of the pulse combustion type
03/11/1992EP0474430A1 Flame monitoring apparatus and method
03/11/1992EP0474156A2 Method for testing the input of a microprocessor
03/10/1992US5094259 Automatic shut-off safety device for gas stove
03/05/1992DE4027090A1 Gas burner flame monitor - uses ionisation current circuit supplying oscillator providing dynamic monitoring signal
03/04/1992EP0473563A1 Apparatus and process for heating
03/04/1992EP0473250A1 Control system for burner
03/03/1992US5092519 Control system for water heaters
02/1992
02/27/1992DE4127425A1 Flame monitor for burner with reversibly movable screen - closes safety valve when UV radiation ceases to excite photocell during variable periods of window opening
02/25/1992US5091844 Preemptive constraint control
02/25/1992CA1296237C Slow opening and fast closure gas valve
02/19/1992EP0471377A2 Microcontroller and system for controlling trial times in a furnace system
02/19/1992EP0471060A1 Method and system for crushing and drying a solid fuel.
02/18/1992US5089689 Flame safeguard control anti-swap feature
02/13/1992DE4033889A1 Solid-fuel combustion system in grate - diverts part of exhaust gas back to fire again
02/04/1992US5085576 Apparatus and method for detecting leaks in a system for delivering gaseous fuel
02/04/1992US5085574 Fail-safe valve relay driver circuit for gas burners
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