Patent ID: 6722422
Filing Date: 2004-04-20
Classification: F28D,F28F

Abstract:
In a heat exchanger of the type having a plurality of first tubes of a first cross-sectional diameter and in which liquid product media flows and at least one second tube of a second cross-sectional diameter different from said first cross-sectional diameter, concentrically positioned around said first tube and in which heating or cooling media flows, an improved flow velocity adjustment system for interconnecting two of said first tubes comprising:a. a U-shaped portion of substantially constant third cross-sectional diameter greater than said first cross-sectional diameter and having first and second ends; b. a first flow reducer extending from said first end of said U-shaped body portion to a first of said first tubes, and tapering from said third cross-sectional diameter to said first cross-sectional diameter; c. a second flow reducer of eccentric cross-section, extending from said second end of said U-shaped body portion to a second of said first tubes, and tapering from said third cross-sectional diameter to said first cross-sectional diameter.