MULTI-LAYERED HEAT TRANSFER TUBE, MANUFACTURING METHOD OF MULTI-LAYERED HEAT TRANSFER TUBE, AND FORMING DEVICE USED IN THE MANUFACTURING METHOD
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
May 23, 2011
filing date -
May 24, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multi-layered heat transfer tube for use in a carburetor for a liquefied gas, comprising an inner tube which is equipped with a passage through which a liquefied gas can pass and an outer tube which covers the outer peripheral surface of the inner tube, wherein each of the inner tube and the outer tube has multiple fins that extend in the direction of the length of the multi-layered heat transfer tube and are arranged along the direction of the circumference of the multi-layered heat transfer tube, at least the outer tube is composed of a fully dense material, and the outer tube covers the entire outer surface of the inner tube and is bound to the inner tube via a metallic bond.
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