dual-flow oil burner

dual-flow oil burner

[¦dü·əl ¦flō ′ȯil ‚bər·nər]
(mechanical engineering)
An oil burner with two sets of tangential slots in its atomizer for use at different capacity levels.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.