Liquid heaters and vaporizers – Heat transmitter – Corrugated and finned heat transmitters
Patent
1995-03-30
1996-06-18
Yeung, James C.
Liquid heaters and vaporizers
Heat transmitter
Corrugated and finned heat transmitters
1223671, 122 16, 126351, F22B 2306
Patent
active
055267769
ABSTRACT:
A gas quick water heater is disclosed which includes a heat exchanger having an annular lower manifold with a cold-water intake, an annular upper manifold with a hot-water exit, a plurality of coil-shaped heat exchanging tubes connected between the manifolds, and a baffle plate installed in the center of the heat exchanging tubes and for delaying the flow of heated air; an inner liner for closely embracing the inner surface of the heat exchanging tubes of the heat exchanger; an outer liner designed higher than the inner liner in height and for closely embracing the outer surface of the heat exchanging tubes; a lower plate for closing a lower portion between the inner and outer liners and having an air intake at the center; a swirl plate having a plurality of air intakes at the periphery and a gas hole at the center portion; a combustion barrel having a plurality of air intakes on the overall surface; an insulation member in which the top surface is closed and the lower surface is opened to form an annular air intake; and an exhaust fan for discharging burned gas through the opening of the outer liner and the exhaust port of the barrier.
REFERENCES:
patent: 1353174 (1920-09-01), Mayers
patent: 4055152 (1977-10-01), Vidalenq
patent: 4679528 (1987-07-01), Krans
patent: 5311843 (1994-05-01), Stuart
patent: 5365887 (1994-11-01), Fenn
Fenn Gordon W.
Kim Hong J.
Oh Min H.
Ryoo Young M.
Boller George L.
Frontier Inc.
Yeung James C.
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