Patents
Sitemap › F23 - Combustion apparatus; Combustion processes › F23N - Regulating or controlling combustion › F23N 5 - Systems for controlling combustion
Patents for F23N 5 - Systems for controlling combustion (9,434)
12/1977
12/20/1977US4063871 Boiler burners
11/1977
11/29/1977US4060370 Manifold gas valve with stepped flow operation
11/29/1977US4060192 Fuel control system and method of operating the same and diverter valve therefor
11/22/1977US4059385 Combustion monitoring and control system
11/15/1977US4058069 Process and apparatus for incinerating substances in a fluidized thermal reaction furnace
11/01/1977US4056348 Glow coil ignition system with flame sensing
10/1977
10/25/1977US4055164 Apparatus for automatic gas ignition control
10/18/1977US4054408 Method for optimizing the position of a furnace damper without flue gas analyzers
10/11/1977US4053136 Control circuit and adjustable valve for a gas appliance
10/04/1977US4052136 Marine stove safety controls
09/1977
09/27/1977US4051375 Discriminating flame detector
09/13/1977US4047878 Electronic control arrangement for detecting a leak condition for a valve
08/1977
08/30/1977US4045155 Burner system with absorbent carbon flame responsive switch
08/30/1977US4044727 Apparatus for heating a heat transfer fluid protected against overheating
08/23/1977US4043743 Combustion control system
08/23/1977US4043742 Automatic burner monitor and control for furnaces
08/23/1977US4043300 Apparatus for balancing the flow of two agents, capable of reacting together to provide energy, to an energy generator
08/02/1977US4039844 Flame monitoring system
07/1977
07/26/1977US4038032 Method and means for controlling the incineration of waste
07/26/1977US4038019 Fail-safe energizing circuit for a functional device
07/19/1977US4037113 Flame detector
07/12/1977US4035135 Postpurge pilot burner sequencing means
07/12/1977US4035134 Electronic valve seat leak detector
07/12/1977US4034911 Burner control system
07/05/1977US4034327 Timing pulse generating switch
07/05/1977US4034270 Self-inhibiting spark generating arrangement
07/05/1977US4034235 Circuits
07/05/1977US4033713 Safety device for butterfly dampers
07/05/1977US4033712 Fuel supply systems
07/05/1977US4033711 Spark ignition gas flow control system
07/05/1977US4033505 Fuel ratio control system
06/1977
06/28/1977US4032286 Gas combustion device with safety device
06/28/1977US4032285 Method and apparatus for the automatic control of the air ratio of a combustion process
06/14/1977US4029966 Radiation-detecting devices and apparatus
06/07/1977US4028047 Photoelectric start-stop controls for gas burner
05/1977
05/24/1977US4025284 Pilot burner reignition system
05/24/1977US4025283 Electrical ignition systems for gas fired equipment
05/24/1977US4025041 Safety valve
05/17/1977US4024412 Burner control system with primary safety switch
05/03/1977US4021187 Automatic flue gate
04/1977
04/26/1977US4019855 Electrical switch for ignition in gas appliances
04/26/1977US4019854 Direct spark ignition system utilizing gated oscillator
04/26/1977US4019853 Automatic fuel ignition apparatus
04/26/1977US4019569 Burner control circuit
04/05/1977US4016425 Methods and apparatus for optimizing the response of transducers
04/05/1977US4015953 For combustible gas line
04/05/1977US4015928 Heating system
04/05/1977US4015927 Automatic high-low burner operation
04/05/1977US4015548 Distributed programmable control system
03/1977
03/01/1977US4009861 Step opening gas valve
02/1977
02/22/1977USRE29143 Fail-safe apparatus for checking the presence of flame in a burner
02/15/1977US4007907 Fuel control system and control device therefore or the like
02/15/1977US4007872 Fuel control system and control device therefor or the like
02/15/1977US4007760 Fuel control system and control device therefor or the like
02/01/1977US4005820 Furnace apparatus and process for control thereof
02/01/1977US4005585 Control arrangement fail-safe timing circuit
01/1977
01/25/1977US4004730 Furnace draft control for a steam generator
01/18/1977US4004198 Primary control system for furnaces and method of making the same
01/11/1977US4002419 Direct burner ignition system
01/04/1977US4000961 Primary flame safeguard system
12/1976
12/28/1976US3999936 Vapor collection and disposal system
12/28/1976US3999934 Start up circuit
12/28/1976US3999933 Burner control system
12/28/1976US3999932 Valve assembly having leak detection apparatus
12/14/1976US3997109 Heat exchange control system
12/14/1976US3997107 Servo modulating regulating control system
12/07/1976US3995989 Split ring burner for weld preheat
11/1976
11/30/1976US3995221 Flame responsive system
11/02/1976US3989188 Fuel control system and method of operating the same and diverter valve therefor
11/02/1976US3989064 Fuel control system and control device therefor or the like
10/1976
10/26/1976US3988104 Burner control
10/19/1976US3987358 Condition detector circuit
10/19/1976US3987346 Purge timer for burner control system
10/19/1976US3986814 Device for automatically controlling a gaseous or liquid fuel fired appliance
10/19/1976US3986813 Intermittent pilot igniter and valve controller for gas burner
10/12/1976US3985294 Furnace pressure control
09/1976
09/21/1976US3981674 Control circuit and adjustable valve for a gas appliance
09/21/1976US3981316 Pressure and temperature-responsive control means
09/14/1976US3980420 Burner control system for domestic gas range ovens
09/07/1976US3979103 Fuel control system and control device therefor or the like
09/07/1976US3978883 Device for regulating the combustion air of a furnace, especially with oil- or gasburner and blower for heating installations
09/07/1976US3978720 Combustion detector for internal combustion engines
08/1976
08/24/1976US3976421 Apparatus for sediment control in oil burner installations
08/17/1976US3975137 Burner control system
08/17/1976US3975136 Burner control system
08/17/1976US3975135 Burner control system with cycling pilot burner
08/10/1976US3973898 Automatic combustion control with improved electrical circuit
08/10/1976US3973727 Thermostatically controlled safety device for oil burners
08/10/1976US3973576 Gas valve with pilot safety apparatus
07/1976
07/27/1976US3971344 Safety device for instant water heater
07/20/1976US3970929 Test apparatus for use with a heating system
07/20/1976US3970864 Control arrangement fail-safe timing circuit
07/13/1976US3969069 Burner systems for ovens and methods of operating such systems
07/13/1976US3969064 Protection of gas burners
07/13/1976US3968785 Blue flame gas smooth top range
07/06/1976US3967614 Gas fired fusion furnace and fusion head assembly
07/06/1976US3967590 Heat exchange control system
06/1976
06/29/1976US3967281 Diagnostic annunciator
06/29/1976US3966118 Automatic regulating equipment for a heating device having a vaporizing burner
06/22/1976US3964859 Vaporizing type liquid fuel combustion apparatus
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