TUBE BOTTOM AND HEAT EXCHANGER

摘要

A tube bottom for a heat exchanger, with a bottom region having slot-type openings, wherein the slot-type openings are rimmed by eyelets and the tube bottom has an attached rim region. Formed between the eyelets and the attached rim region is a U-shaped trough as a receiving region for the foot of a box-like cover. The U-shaped trough has an inner first wall, the attached rim region and a second wall forming the trough bottom, wherein the inner first wall has at least one hump-like raised portion in the continuation of an eyelet on a side oriented toward the U-shaped trough, which bounds the breadth of the U-shaped trough between the attached rim region and the first wall and extends from the trough bottom to that end region of the eyelet oriented toward the U-shaped trough. A depression is formed in the hump-like raised portion.

主权项

1. A tube bottom for a heat exchanger, the tube bottom comprising:
a bottom region with slot-type openings rimmed by eyelets, the tube bottom having an attached rim region; and a U-shaped trough formed between the eyelets and the attached rim region as a receiving area for the bottom of a box-like cover, the U-shaped trough being formed by an inner first wall, the attached rim region and a second wall forming a trough bottom, wherein the inner first wall has at least one hump-like portion in an extension of an eyelet on a side facing the U-shaped trough, which bounds a breadth of the U-shaped trough between the attached rim region and the first wall and extends from the trough bottom to the end region of the eyelet facing the U-shaped trough, and wherein a depression is formed in the hump-like portion as a lead-in chamfer for tubes.