Heat exchanger flow tube with improved header to tube end stress

Details Heat exchanger flow tube with improved header to tube end stress Heat exchanger flow tube with improved header to tube end stress

1998-02-25

1999-05-18

Leo, Leonard

Heat exchange

Side-by-side tubular structures or tube sections

With manifold type header or header plate

165177, 165183, 165906, F28F9/00

Patent

active

059042060

ABSTRACT:
A novel extruded aluminum condenser flow tube cross section includes a wider central web flanked by a pair of wider, inboard flow passages with rounded corners integral to the wider web. When inserted into the slot of a highly curved header plate, the wider central web corresponds to a central area of higher bending stresses, which are more strongly resisted. The two wider, inboard flow passages help compensate for the potential flow area removed by the wider central web.

REFERENCES:
patent: 3486489 (1969-12-01), Huggins
patent: 5009262 (1991-04-01), Halstead et al.
patent: 5101890 (1992-04-01), Aoki et al.
patent: 5441106 (1995-08-01), Yukitake
patent: 5555729 (1996-09-01), Momose et al.
patent: 5607012 (1997-03-01), Buchanan et al.

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