Heat exchanger

Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate

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Details

122406B, 261152, 159 404, 159 271, 159 262, F28D 702, F28F 902

Patent

active

048420557

ABSTRACT:
A heat exchanger of vertical type in which fluid flows vertically downwardly comprises a cylindrical outer shell which is approximately divided by upper and lower tube plates into an upper plenum, a lower water passage, and an intermediate heat exchanging passage. A plurality of metal-made heat exchanger tubes are disposed in parallel in the heat exchanging passage with both ends supported by the upper and lower tube plates, respectively. A plurality of metal-made fluid flow throttling members are adjustably contacted to a lower end of the heat exchanger tube and inserted into the lower end opening of the corresponding heat exchanger tubes, respectively. Each of the throttling member is provided with a fine bore for throttling fluid flow, an upper tapered portion to be inserted and a lower cylindrical portion so that the tapered portion has an area contacting the end face of the heat exchanger tube to constitute metal-to-metal seal contact when the throttling members are inserted into the heat exchanger tubes.

REFERENCES:
patent: 553841 (1896-02-01), Cooper
patent: 1403784 (1922-01-01), Ingels
patent: 1725399 (1929-08-01), Monet et al.
patent: 1972052 (1934-08-01), LaMonet
patent: 3317222 (1967-05-01), Maretzo
patent: 4300481 (1981-11-01), Fisk
patent: 4607689 (1986-08-01), Mochida et al.
patent: 4697634 (1987-10-01), Foucher et al.

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