Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Patent
1983-11-25
1985-03-05
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
55466, 55DIG10, 55DIG30, F01N 302
Patent
active
045022780
ABSTRACT:
An exhaust cleaner and multi-point burner system for a diesel engine has a burner device with concentric first and second sets of circumferentially spaced apart point igniters facing the inlet end face of a particulate filter to effect multiple points of ignition of the particulates collected thereon, and a central point igniter to serve as a pilot light, supplied with an air/fuel mixture by a first supply conduit and a solenoid valve controlled supply conduit, respectively. The arrangement is such that the air/fuel mixture to the sets of point igniters is ignited using a single central electric igniter, such as a spark plug to ignite the air/fuel mixture supplied to the central igniter. Once all points are ignited, the solenoid valve is closed, thus increasing the flow of the air/fuel mixture to the sets of point igniters. This change in flow reduces heat losses and minimizes air/fuel requirements to effect ignition of the particulates.
REFERENCES:
patent: 4054418 (1977-10-01), Miller
patent: 4322387 (1982-03-01), Virk
General Motors Corporation
Hart Douglas
Krein Arthur N.
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