Heat exchanger with a plurality of ranges of tubes, in particula

Details Heat exchanger with a plurality of ranges of tubes, in particula Heat exchanger with a plurality of ranges of tubes, in particula

1992-03-18

1994-05-24

Rivell, John

Heat exchange

Radiator core type

Deformed sheet forms passages between side-by-side tube means

165172, 165173, F28D 1053, F28F 904

Patent

active

053140214

ABSTRACT:
A heat exchanger comprises a bundle of parallel tubes disposed in ranges and having respective end portions, each of which is received in a collecting plate which is formed with holes. These holes may be bounded by lips. Each hole in the collecting plate receives the respective end portions of a pair of adjacent tubes forming part of different ranges of the tube bundle. These ranges are arranged back-to-back, but leaving at each side of the interface between the tubes a small free space within the hole of the collecting plate. A pair of opposed beak-like projections are formed on the edge of each hole so as to fill this free space. The pitch defined between two tubes in two adjacent ranges is reduced to a minimal value so as to optimize the performance of the heat exchanger, with a minimal width of the collecting plate.

REFERENCES:
patent: 2655181 (1953-10-01), Cooper
patent: 3118498 (1964-01-01), Bergdoll et al.
patent: 3627039 (1971-12-01), Tiefenbacher
patent: 3708012 (1973-01-01), Zimprich
patent: 3907032 (1975-09-01), DeGroote et al.
patent: 4183402 (1980-01-01), Cotter
patent: 4332291 (1982-06-01), Mulock-Bentley
patent: 4738311 (1988-04-01), Bleckman
patent: 4771825 (1988-09-01), Chen et al.
patent: 4825941 (1989-05-01), Hoshino et al.
patent: 4881594 (1989-11-01), Beamer et al.

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