Heat exchanger core assembly construction and methods of making the same
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United States of America Patent
Stats
-
Aug 14, 1984
Grant Date -
N/A
app pub date -
Apr 19, 1982
filing date -
Apr 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat exchanger core and header of the fin and tube type is provided having a plurality of tubes disposed in generally axially parallel and spaced apart relation, a fin assembly between adjacent tubes, a header plate at one end of said tubes, said header plate having a series of openings therein adapted to receive said tubes and generally uniformly spaced from the sidewalls of said tube ends, an elongate ferrule in each said opening substantially filling the area between said openings and said tubes and extending axially along said tubes from said header at least on the side opposite the fins and a metallurgical bond between the ferrule and tubes and between the ferrules and header.
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