Fluid bed furnace and pilot light assembly

Details Fluid bed furnace and pilot light assembly Fluid bed furnace and pilot light assembly

1978-11-06

1980-12-16

Ward, Jr., Robert S.

Combustion

Burner having electrical heater or igniter

Spark electrode in front of or adjacent fuel discharger

431 7, 431 19, 431 43, 431 59, 431170, 432 58, 110245, 110101CB, F23Q 300, F23D 1902

Patent

active

042394805

ABSTRACT:
An improved fluid bed furnace which includes a new and improved pilot light assembly and which is of the type having a fluid bed comprising material which fluidizes upon being subjected to a flow of gas mixture therethrough and a burner for burning a fuel mixture for providing the flow of gas mixture at an elevated temperature through the fluid bed material for fluidizing and agitating the fluid bed material. The pilot light assembly includes an ignition means for providing a pilot flame, pilot flame confining means for directing the pilot flame into the furnace fluid bed above the fluidizable material for causing the pilot flame to ignite the burner fuel mixture, and pilot flame detecting means for sensing the presence of the pilot flame and enabling the supply of the fuel mixture to the burner.

REFERENCES:
patent: 2627308 (1953-02-01), Clark
patent: 2688363 (1954-09-01), Taricco
patent: 2698655 (1955-01-01), Meredith
patent: 3224487 (1965-12-01), McInerney et al.
patent: 3445172 (1969-05-01), Zielinski
patent: 3881857 (1975-05-01), Hoy et al.
patent: 3884617 (1975-05-01), Virr
patent: 3903846 (1975-09-01), Elliott et al.
patent: 4017253 (1977-04-01), Wielang et al.
patent: 4087229 (1978-05-01), Teichert et al.
patent: 4184456 (1980-01-01), Taylor et al.

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