Electrical resistance ignitor

Details Electrical resistance ignitor Electrical resistance ignitor

F - Mech Eng,Light,Heat,Weapons

23

Q

F23Q 7/10 (2006.01) F23Q 7/22 (2006.01)

Patent

CA 2132775

ABSTRACT An ignitor for fuel gas burners formed of a plurality of spaced parallel filaments of SiC coated Carbon (C) high temperature brazed with Chromium Silicide in grooves provided in a refractory base block of Aluminum Oxide and Silicon Oxide. Terminal posts of MoSi2 are embedded in the high temperature braze. Stainless steel lead attachment pads are nickel-chrome brazed to the posts at a lower temperature. Removable notched graphite bridges and graphite hold-down blocks position the filaments during the high temperature brazing.

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