Cast metal heat exchanger and method of formation

Details Cast metal heat exchanger and method of formation Cast metal heat exchanger and method of formation

1981-11-12

1983-05-17

Richter, Sheldon J.

Liquid heaters and vaporizers

Stand boiler

Fluid fuel burner

122 20B, 122176, 126361, 165165, F22B 1500

Patent

active

043834990

ABSTRACT:
A cast metal heat exchanger (e.g. of iron or aluminum) for a hot water boiler having a plurality of flueways and waterways and which is rectangular in plan view down onto the flueways with the waterways extending parallel to the minor rectangular axis. A method of manufacturing a cast metal waterway section of cuboid volume less than 4500 mls for a heat exchanger (which comprises casting the metal into a mould with the waterway core vertically disposed. A heat exchanger comprising a plurality of such sections can be formed integrally by vertically casting such a plurality simultaneously in one mould.

REFERENCES:
patent: 1988224 (1935-01-01), Wendel
patent: 2343387 (1944-03-01), Sargent et al.
patent: 2586118 (1952-02-01), Teller
patent: 4106693 (1978-08-01), Oliver
patent: 4126105 (1978-11-01), Bottcher
Etegenheizkessel, Skunca et al., Ikz, vol. 25, Nr. 23, Arnsberg, 1970, pp. 26, 28, 30, 32.

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