Protecting entry portions of tubes of emergency cooling system

Details Protecting entry portions of tubes of emergency cooling system Protecting entry portions of tubes of emergency cooling system

1979-10-12

1981-03-10

Richter, Sheldon J.

Heat exchange

Regenerator

Checker brick structure

165134R, 165135, 165146, 165178, 165DIG14, F28F 1314

Patent

active

042548195

ABSTRACT:
The entry portions of the tubes of a Worrell-type emergency cooler are modified so that the peak temperature of said modified tube is maintained at less than about 650.degree. F., thereby allowing carbon steel to be employed for heat transfer tubes. Such entry portions feature tubular members (conveniently called ferrules) having controlled thermal conductivity significantly greater than conventional insulators, but significantly less than conventional thermal conductors.

REFERENCES:
patent: 2252069 (1941-08-01), Fletcher
patent: 2806718 (1957-09-01), Cook et al.
patent: 3029796 (1962-04-01), Simmons et al.
patent: 3592261 (1971-07-01), Black
patent: 3707186 (1972-12-01), Zorrilla et al.

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