Boiler pancake design

Details Boiler pancake design Boiler pancake design

1981-06-10

1983-09-13

Yuen, Henry C.

Liquid heaters and vaporizers

Water tube

Water grate

122176, 122166R, 122209R, 122 16, 122367R, 122235C, F22B 500

Patent

active

044035748

ABSTRACT:
A device constituting an improved boiler design. The heat exchanger, known in the art as a pancake, is composed of an asymmetrical grid of interconnected hollow eliptical conduits through which flow the heat transfer fluid. In one embodiment of the invention, two pancakes are connected in series in such a way that their asymmetry is complementary. Such an arrangement is claimed to increase the efficiency of heat transfer and reduce the frequency of cleaning of the boiler when compared to boilers in the known art.

REFERENCES:
patent: 43557 (1864-07-01), Flanders
patent: 61210 (1867-01-01), Kilgore
patent: 945130 (1910-01-01), Lycan
patent: 1007329 (1911-10-01), Briegel
patent: 1008526 (1911-11-01), Cook
patent: 1024554 (1912-04-01), Carter
patent: 1031239 (1912-07-01), Brenner et al.
patent: 1528845 (1925-03-01), Patterson
patent: 1794953 (1931-03-01), Gage
patent: 3572999 (1971-03-01), Sato

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