Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-10-17
1996-01-30
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
25033915, 431 79, G08B 1712
Patent
active
054883555
ABSTRACT:
An oil flame monitoring system has an ultraviolet flame detector 1 and an infra red Flicker flame detector 2. The UV flame detector views a region 11 of the flame 5 known as the primary combustion zone which is situated about 1 to 2 metres downstream of a fuel atomizer 4. The IR Flicker flame detector 2 views a region 3 of the flame 5 inside the fuel oil spray just downstream of the fuel atomizer 4. A programmable logic controller processes the outputs of the two detectors 1, 2 and provides information about the position of the flame front and the quality of the flame.
REFERENCES:
patent: 2840146 (1958-06-01), Ray
patent: 3665440 (1972-05-01), McMenamin
patent: 4039844 (1977-08-01), MacDonald
patent: 4709155 (1987-11-01), Yamaguchi et al.
patent: 5126721 (1992-06-01), Butcher et al.
Sarjeant Malcolm
Tindall David
Spectus Limited
Swann Glen
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