Flame sensor module

Details Flame sensor module Flame sensor module

1994-02-28

1996-08-20

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

250372, 250554, 340511, 340579, 340693, 431 78, G08B 1712

Patent

active

055482775

ABSTRACT:
A standalone modular flame sensor containing a multi-function power supply having outputs for both a flame rod and an ultraviolet transducer. The module also contains interfaces for the ultraviolet transducer and for the flame rod transducer. The interfaces are brought together at a summing junction arranged so that the module will work with either a flame rod, an ultraviolet transducer, or both such transducers. Output circuitry provides not only a flame-on/flame-off indication (both visible via an LED and a switch contact closure), but also provides a continuously variable signal indicating the quality of the sensed flame. The module can be used standalone with either transducer type or incorporated in a more complex control system.

REFERENCES:
patent: 3266026 (1966-08-01), Plambeck
patent: 3437884 (1969-04-01), Mandock et al.
patent: 3500469 (1970-03-01), Plambeck et al.
patent: 3576556 (1971-04-01), Sellors
patent: 3817687 (1974-06-01), Cavallero et al.
patent: 3905126 (1975-09-01), Villalobos et al.
patent: 4000961 (1977-01-01), Mandock
patent: 5365223 (1994-11-01), Sigafus
"Single and Multi-Burner Solid State Protectofier Combustion Safeguard", Bulletin P-24-R, Form 6642V, of Protection Controls, Inc. in Skokie, Illinois, date unknown.
"Sens-A-Flame II Single-& Multi-Burner Combustion Safeguard", brochure of Pyronics, Inc. in Cleveland, Ohio, date unknown.

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