Abstract: The invention relates to liquid fuel burners having low NOx and dust emission, and it also relates to liquid atomizers or sprayers for such burners. The removable atomizer for a liquid fuel burner head is made as a single piece, has a longitudinal central orifice for passing fuel plus a plurality of longitudinal peripheral orifices for passing a spray fluid, and on each of its faces it further includes a depression surrounding said central orifice.
Type:
Grant
Filed:
May 31, 2000
Date of Patent:
July 30, 2002
Assignee:
Enterprise Generale de Chauffage Industriel Pillard
Abstract: The present invention relates to a fluid fuel burner with very low emission f nitrogen oxides, comprising, in known manner, means for injecting the fuel into a hearth at least one primary air supply conduit around said injection means, and at least one secondary air supply conduit located radially on the periphery outside the primary air supply conduit. According to the invention, said injection means comprise multiple orifices creating a plurality of independent divergent flames in the hearth, and the burner comprises as many secondary air supply injectors as there are said flames, each of said injectors being placed axially and angularly with respect to one of these flames, in a position such that it furnishes thereto an additional air fluid after a first phase of combustion.
Type:
Grant
Filed:
June 21, 1994
Date of Patent:
October 8, 1996
Assignee:
Enterprise Generale de Chauffage Industriel Pillard (Societe Anonyme)
Abstract: A parallel flow liquid fuel burner is disclosed which has a device for injecting fuel in a central flame stabilizer; the stabilizer comprises a blade-containing rose situated around a central hub itself situated around the injection device and the injection device comprises several fuel injection orifices adapted to provide separate elementary flames.
Type:
Grant
Filed:
December 28, 1990
Date of Patent:
December 8, 1992
Assignees:
Institut Francais du Petrole, Enterprise Generale de Chauffage Industriel Pillard
Inventors:
Patrick Flament, Frederic Bury, Gerard Martin, Jean-Claude Pillard