Ceramic recuperator tube and a recuperator employing plural such

Details Ceramic recuperator tube and a recuperator employing plural such Ceramic recuperator tube and a recuperator employing plural such

1984-09-07

1986-09-23

Davis, Jr., Albert W.

Heat exchange

Casing or tank enclosed conduit assembly

Manifold formed by casing section and tube sheet of assembly

F28F 902

Patent

active

046129812

ABSTRACT:
A recuperator includes plural ceramic recuperator tubes arranged vertically on top of each other. Each tube has an outer periphery, first and second opposite ends, and a gas passage extending longitudinally between such ends. The first end includes an annular sealing surface extending radially inwardly from the periphery and an annular projection defined by a conical surface extending axially from the sealing surface to an end surface of the first end. The second end includes a square flange extending outwardly from the periphery and a stepped seal extending axially inwardly into the flange from an end surface of the second end.

REFERENCES:
patent: 1426381 (1922-08-01), Hecker
patent: 1745978 (1930-02-01), Cahill
patent: 1771160 (1930-07-01), Chapman
patent: 2733908 (1956-02-01), Graham
patent: 2764398 (1956-09-01), Herman
patent: 3135503 (1964-06-01), Sommerer et al.

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