Vehicular heating device and cooling water circulating pump provided therein
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United States of America Patent
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Aug 18, 2020
Grant Date -
Sep 20, 2018
app pub date -
Aug 18, 2016
filing date -
Aug 18, 2015
priority date (Note) -
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Abstract
The present invention relates to a vehicular heating device comprising: a vehicular engine cooling unit for connecting an engine, a water pump, and a radiator on a first cooling water circulating line to cool the engine; and a vehicular indoor space heating unit for connecting the engine, the water pump, and a heater core on a second cooling water circulating line to heat an indoor space of the vehicle, wherein the vehicular heating device comprises a heating means mounted on the second cooling water circulating line to heat cooling water supplied to the heater core. According to the present invention, the heating performance of the cooling water, which is supplied to the heater core during an initial cold start of the vehicle is improved, thereby increasing the indoor heating efficiency of the vehicle during a winter season.
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