Marine engine heat exchanger
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United States of America Patent
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Nov 5, 2019
Grant Date -
Mar 15, 2018
app pub date -
Nov 20, 2017
filing date -
Aug 10, 2015
priority date (Note) -
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Abstract
A heat exchanger for a marine engine has a housing with an internal cavity. Twisted tubes snake back and forth inside the cavity and carry a first fluid to cool a second engine cooling fluid flowing through the cavity. Each of the twisted tubes has a plurality of ridges to increase the surface area of the tube exposed to the second fluid. Dividers inside the cavity direct the flow of the second fluid through the cavity. The housing may have a removable cover to access the housing cavity.
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