Header of heat exchanger and heat exchanger provided with the same
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United States of America Patent
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Apr 23, 2019
Grant Date -
Mar 31, 2016
app pub date -
Sep 3, 2015
filing date -
Sep 26, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A header of a heat exchanger including a first wall connected with a plurality of heat transfer tubes of the heat exchanger, a second wall facing the first wall with an interval therebetween, and a circumferential wall connecting outer circumferential edges of the first and the second walls in such a manner that an area between the first and the second walls constitutes a chamber for inflow of fluid, the chamber communicating with each of the heat transfer tube. At least one of the first and the second walls is configured to curve in such a manner that a central area of the wall is positioned close to an inside of the chamber than an outer circumferential area of the wall. The thickness of the header is reduced and enough strength of the header is obtained, thereby preferably enduring repeating water hammer.
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