| 摘要 |
789,774. Tubular heat exchange elements. BROWN FINTUBE CO. Feb. 6, 1956 [Feb. 16, 1955], No. 3614/56. Class 64(3) [Also in Group XXII] A heat exchanger tube 10 is provided with spaced longitudinally extending fin members 11 brazed to the internal surface of the tube. A spring 16 employed within the tube to support the fins during brazing may remain in the tube after brazing to increase turbulence in the fluid flowing through the tube, and the internally finned tube may be provided with transverse or longitudinal external fins. |
