Gas fed water-heater

Details Gas fed water-heater Gas fed water-heater

2005-05-03

2005-05-03

Wilson, Gregory (Department: 3749)

Liquid heaters and vaporizers

Stand boiler

And casing feature for stand boiler or external water tank...

C122S494000, C220S694100

Reexamination Certificate

active

06886500

ABSTRACT:
The present invention relates to a gas fed water-heater comprising a double wall container (1) inside which a burner (2) and a tank (3) of the water to be heated are arranged. At least in the portion (5′) adjacent to the burner (2) of the interspace (5) between the two walls of said container (1) is placed a thermoinsulating system comprising an inner layer (6) of glass wool or rock wool and an outer layer (7) formed of at least a one vacuum panel, which comprises an envelope which encloses inert material powder with an average size of the particles lower than 100 nanometers.

REFERENCES:
patent: 2544927 (1951-03-01), Knapp
patent: 3360895 (1968-01-01), Green
patent: 5509566 (1996-04-01), Nelson
patent: 6588378 (2003-07-01), Henderson et al.
patent: 6807925 (2004-10-01), Lesage
patent: 195 35 265 (1996-10-01), None
patent: WO 0075557 (2000-12-01), None

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