Heat exchanger with bilayered metal end container for anticorrosive addition
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United States of America Patent
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Jul 13, 1982
Grant Date -
N/A
app pub date -
Jan 5, 1981
filing date -
Jan 5, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A membrane for the end surface of a container for a corrosion inhibitor for engine coolant where the membrane is exposed to the coolant and corrodes when the corrosiveness of the coolant increases above a predetermined level. The membrane is formed of the same metal or alloy as the radiator and has a thin layer thereon of a second metal except for certain areas where the base metal is exposed so that in a corrosive environment, a galvanic cell is set up between the two metals to enhance the rate of corrosion of the membrane.
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