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United States of America Patent
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N/A
Issued Date -
Nov 1, 2007
app pub date -
Apr 18, 2007
filing date -
Apr 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A gas cooler includes paired header tanks, and a plurality of parallel flat tubes disposed between the header tanks. Each header tank is configured such that an outside plate, an inside plate, and an intermediate plate are brazed together in layers. When the height of each flat tube is represented by T (mm), the distance between each of the opposite longitudinal end surfaces of each flat tube and an outer surface of the corresponding intermediate plate is represented by L (mm), and the width of each communication hole of the intermediate plate is represented by W (mm), relations L.gtoreq.0.7 T and 1.1 T.ltoreq.W.ltoreq.2.5 T are satisfied. This gas cooler can minimize an increase in pressure loss when supercritical refrigerant flows from the flat tubes into first refrigerant flow sections of the outside plate and flows from the first refrigerant flow sections into the flat tubes.
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