Heat exchanger and fin for the same

Details Heat exchanger and fin for the same Heat exchanger and fin for the same

1990-08-24

1992-01-07

Rivell, John

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165183, 138 38, F28F 306, F28F 140

Patent

active

050782070

ABSTRACT:
A heat exchanger such as used as an inter cooler for cooling an intake air of an internal combustion engine has an inner fin which is provided within a tube through which heat transfer medium such as an intake air flows. The inner fin has a plurality pairs of a first vertical wall portion and a second vertical wall portions, a first horizontal wall portion connecting an upper end of the first vertical wall portion to an upper end of the second vertical wall portion, and a second horizontal wall portion connecting a lower end of the first vertical wall portion to a lower end of the second vertical wall portion. The inner fin further has a plurality of slits formed from the vertical wall portion side of the first horizontal wall portion via entire length of the vertical wall portion until the vertical wall portion side of the second horizontal wall portion. The fin pitch P, the length L of vertical wall portion between adjacent pair of the slits, and the width S of the slit are as follows.

REFERENCES:
patent: 2386159 (1945-10-01), Elder
patent: 2571631 (1951-10-01), Trumpler
patent: 2656158 (1953-10-01), Hodson et al.
patent: 3009510 (1961-11-01), Meshulam
patent: 3528496 (1970-09-01), Kun
patent: 3768149 (1973-10-01), Swaney, Jr.
patent: 3783938 (1974-01-01), Chartet

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