Heat exchange – Casing or tank enclosed conduit assembly – Manifold formed by casing section and tube sheet of assembly
Patent
1985-08-26
1988-04-19
Davis, Jr., Albert W.
Heat exchange
Casing or tank enclosed conduit assembly
Manifold formed by casing section and tube sheet of assembly
165162, 165173, 165133, 165145, 165 72, 165905, 285162, 285911, F28F 906, F28F 2100
Patent
active
047383100
ABSTRACT:
A glass tube heat exchanger including a sealing sleeve comprising at least one hydraulic sealing section, an intermediate sealing section and an interior sealing section is disclosed. The hydraulic sealing section has a triangular cross section including one obtuse angle formed by two legs, one of which extends radially outwardly from the longitudinal axis of the seal. The intermediate sealing section comprises a generally cylindrical shaped body and at least one, and preferably two, toroidal belts. The interior sealing section comprises a lip adapted to seal tightly against the glass tube and a flange adapted to seal against the tube sheet. Preferably, the interior sealing section is a mirror image of the hydraulic sealing section. According to another aspect of the instant invention, the glass tube heat exchanger is provided with two box headers including pass partitions operable to cause a fluid entering one of the box headers, after flowing through one layer of glass tubes in a first direction, to flow through the next layer of glass tubes in a second direction which is opposite the first direction and so on so that the direction of flow of the fluid is reversed through successive layers of glass tubes.
REFERENCES:
patent: 3327777 (1967-06-01), Kovalik et al.
patent: 3332479 (1967-07-01), Martin, Jr.
patent: 4365829 (1982-12-01), Fowler
Luttenberger David B.
Shook James R.
Davis Jr. Albert W.
United McGill Corporation
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