Radiant burner with vented burner surface

Claim 1

IN COMBINATION WITH A RADIANT BURNER HAVING A CERAMIC BURNER PLATE WITH PASSAGEWAYS THERETHROUGH AND INCLUDING A BURNING SURFACE AND A PLENUM CHAMBER COMMUNICATED WITH THE OPPOSITE SURFACE OF THE CERAMIC PLATE FOR SUPPLYING A COMBUSTIBLE MIXTURE THERETO, A FINE PASSAGE FORMING MEMBER EXTENDING THROUGH THE CENTRAL AREA OF THE CERAMIC PLATE AND THROUGH THE PLENUM CHAMBER, SAID MEMBER BEING OF SUBSTANTIALLY CONSTANT CROSS-SECTIONAL AREA FOR VENTING THE BURNING SURFACE OF THE CERAMIC PLATE FOR DISCHARGE OF COMBUSTION PRODUCTS THEREFROM THEREBY ENABLING SECONDARY AIR TO PASS INWARDLY ALONG THE BURNING SURFACE OF THE CERAMIC PLATE THEREBY SUPPORTING COMPLETE COMBUSTION OF THE COMBUSTIBLE MIXTURE, SAID FLUE PASSAGE FORMING MEMBER TERMINATING AT THE BURNING SURFACE, AND A DEFLECTOR PLATE SUPPORTED IN SPACED ALIGNMENT WITH THE FLUE PASSAGE FORMING MEMBER AND IN SPACED RELATION TO THE BURNING SURFACE THEREBY ASSURING THAT SECONDARY COMBUSTION SUPPORTING AIR WILL PASS OVER THE BURNING SURFACE RATHER THAN DIRECTLY INTO THE FLUE PASSAGE FORMING MEMBER.