James A Gotterba

45439400, Oct 1, 1985

Aug 16, 1983

6/523799

Wayne V. Krill - Sunnyvale CA
Thomas Wong - Menlo Park CA
James Gotterba - Santa Clara CA

Gas Research Institute - Chicago IL

F24C 304

126 92AC

A segmented radiant burner assembly for installation in the combustion chambers of firetube boilers and the like. The individual segments can be assembled together for on-site installation within the boiler. The segments include support structures comprising mounting flanges which are secured together in series to form the burner assembly. Gas and thermal sealing between the active material of the burner and the inactive support structure is provided by a sealing system which includes a dense fiber composition material and adhesive agent of ceramic composition. The mixture of unburned reactants is directed through a valving and manifold system into separate plena within the burner segments. The flow rates of reactants to the different burner segments is selectively controlled in a sequence which achieves a broad firing rate range.

54109892, May 2, 1995

Jun 16, 1993

8/078552

Robert M. Kendall - Sunnyvale CA
Richard L. Pam - Menlo Park CA
Andrew C. Minden - San Jose CA
Nathan Saito - San Jose CA
James A. Gotterba - Santa Clara CA

Alzeta Corporation - Santa Clara CA

F22B 2306

1223671

A watertube boiler system is disclosed which provides a plurality of radiant burners mounted within a housing in parallel, spaced-apart relationship. Individual burners are encircled by heat cells comprised of watertube coils which are in tangential juxtaposed relationship achieving a high view factor to the burner surfaces. Premixed fuel and air combusts on the outer surfaces of the burners which radiate energy to the tubes forming the heat cells. The ratio of combustion surface area to heat cell volume is within an optimum range for minimizing NOX and CO emissions.