Heat exchange furnace and its manufacturing process

Details Heat exchange furnace and its manufacturing process Heat exchange furnace and its manufacturing process

2006-08-14

2008-09-09

Wilson, Gregory A (Department: 3749)

Heating

Heat generator heats gas or liquid material in a flow structure

C432S223000, C165S157000, C126S09900D

Reexamination Certificate

active

07422429

ABSTRACT:
A heat exchange furnace includes a combustion furnace module, a passageway module disposed around and connected removably to the combustion furnace module, and a gas-guiding unit including upper and lower guiding modules connected respectively to upper and lower ends of the passageway module. During assembly, the lower guiding module is first connected removably to the passageway module. Subsequently, the passageway module is sleeved removably on the combustion furnace module. Finally, the upper guiding module is connected removably to the passageway module.

REFERENCES:
patent: 3796547 (1974-03-01), Muenger
patent: 4319557 (1982-03-01), Sietmann et al.
patent: 4449510 (1984-05-01), Sukup
patent: 4579102 (1986-04-01), Sukup
patent: 6918433 (2005-07-01), Kontu
patent: 2007/0169924 (2007-07-01), Bussonnet

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