Hot water production appliances

Details Hot water production appliances Hot water production appliances

1989-06-29

1990-03-20

Favors, Edward G.

Liquid heaters and vaporizers

Stand boiler

Fluid fuel burner

122 14, 122 19, 122161, 126361, 126350R, F22B 502

Patent

active

049091913

ABSTRACT:
The invention concerns a single or double circuit hot water production applicance comprising, for the water, one or two nests of parallel vertical coaxial tubes (1) connecting together two rings (2,3) which are also coaxial and, for the combustive air admitted, an external jacket (7) with double wall and, finally, for the combustion gases, an annular intermediate sleeve (9) and a central discharge chimney (10, 11). The burner (14) fed with pressurized fuel gas (at 16) is disposed annularly between the upper ring (3) and the top of the chimney (11) and it is adapted so as to generate downwardly oriented flames. An inclined bottom (29) collects the condensates.

REFERENCES:
patent: 4344386 (1982-08-01), Black
patent: 4366778 (1983-01-01), Charrier et al.
patent: 4401058 (1983-08-01), Charrier et al.
patent: 4413590 (1983-11-01), Landream
patent: 4723513 (1988-02-01), Vallett et al.

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