Liquid heaters and vaporizers – Fire tube – Volute
Patent
1979-07-18
1981-04-14
Favors, Edward G.
Liquid heaters and vaporizers
Fire tube
Volute
122261, F22B 1100
Patent
active
042612993
ABSTRACT:
A wound boiler having an elongated hollow slab wound about a horizontal axis and the inner convolution defining a firebox and the outer convolutions defining a combustion gas passage leading to an exhaust.
REFERENCES:
patent: 1339 (1839-09-01), DeWitt
patent: 4188917 (1980-02-01), Asman
Bobis Daniel H.
Favors Edward G.
Popper Norman N.
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