F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
341/13
F23D 17/00 (2006.01)
Patent
CA 1082338
BURNER CONTROL SYSTEM ABSTRACT OF THE DISCLOSURE There has been provided a burner control system in- cluding apparatus adapted for controlling fuel burner systems for firing furnace sections of steam generators in accordance with any one of a plurality of predetermined sub-system speci- fications such as fuel safety, ignition and shutdown sequences. The system includes a plurality of sets of logical function means (LFM) having inputs and outputs, responsive to selected ones of the parameters of the system for producing output con- trol and indication signals respectively. Each LFM comprises one solid state control circuit card for performing each logical function in accordance with the specification such as fuel trip, burner ignition and shutdown etc. Each control circuit card is fabricated to include functional logic circuits of the AND, OR, NAND, NOR, etc., type adapted to perform each of the various individual logic steps relating to standardized logic sequences associated with fuel burner systems, when each of said LFrl is selectively interconnected with other ones in the burner system. The system provides multiple functional card interchangeability in accordance with the selected interconnections thereby being capable of controlling burner systems of a general type which include standardized logic sequences and also specific logic sequence requirements peculiar to the particular system.
248463
Forney Engineering Company
Meredith & Finlayson
LandOfFree
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