Heat exchange apparatus, particularly fire tube condensing...

Details Heat exchange apparatus, particularly fire tube condensing... Heat exchange apparatus, particularly fire tube condensing...

2006-04-12

2010-10-26

Wilson, Gregory A (Department: 3749)

Liquid heaters and vaporizers

Indirectly heated separate injected fluid

C122S121000

Reexamination Certificate

active

07819090

ABSTRACT:
A heat exchange apparatus, particularly a fire tube condensing boiler, provided with a structure made of carbon steel and comprising an outer enclosure, which is adapted to delimit a portion of space for containing the fluid to be heated, which is fed cold by means of an intake coupling located proximate to the base and flows out hot through a discharge coupling located proximate to the top of the enclosure, said portion of space being crossed by flue gas conveyance tubes, further comprising a bell-shaped element, which is located proximate to the top of said portion of space and is open at the lower end and closed at the upper end, said bell-shaped element being provided with a thermostatic device which is adapted to allow the fluid contained therein to flow out when it reaches a preset temperature.

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patent: 1 004 833 (2000-05-01), None
patent: 1 207 358 (2002-05-01), None

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