COOLANT HEATER
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United States of America Patent
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app pub date -
Aug 22, 2017
filing date -
Aug 29, 2016
priority date (Note) -
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Abstract
Provided is a coolant heater, and more particularly, a coolant heater for improving flow performance of a coolant flowing inside a housing, in which a plurality of heater heating elements are disposed inside the housing to be cooled. More specifically, according to the present invention, to increase a flow velocity of a coolant, a housing has a diameter gradually decreasing toward an outlet of the coolant or a flow guide is formed in a spiral shape along an inner surface of the housing.
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