HEAT TRANSFER DEVICE
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United States of America Patent
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-
N/A
Issued Date -
Jul 3, 2014
app pub date -
Mar 30, 2012
filing date -
May 24, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A heat transfer device for an internal combustion engine includes an outer housing comprising an inner wall. An inner housing comprises a partition wall which comprises an outer surface. The inner housing separates an inner duct, which has a fluid to be cooled flow therethrough, from an outer coolant duct, which is formed between the inner housing and the outer housing. Fins extend from the partition wall into the inner duct. Recesses are formed on the outer surface. An inner wall is formed on a surface of the outer housing facing the coolant duct. Projections extend from the inner wall. The projections extend towards the recess on the partition wall so that a cross section of the coolant duct is substantially constant. The projections on the inner wall of the outer housing are formed by beads on the outer housing.
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