Coolant vacuum fill apparatus and method
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United States of America Patent
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Jan 21, 2014
Grant Date -
Nov 17, 2011
app pub date -
May 11, 2010
filing date -
May 11, 2010
priority date (Note) -
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Abstract
An apparatus, system, and method are provided for bypassing a coolant reservoir with a fill tool connecting a source of vacuum pressure and a source of coolant (e.g., a vacuum coolant filler) to a vehicular cooling system inlet port. The fill tool bypass allows the coolant reservoir to be manufactured from a relatively structurally weak polymer material, which is subject to failure under vacuum pressure, while still allowing vacuum coolant filling to be used to charge the vehicular cooling system. Without the use of the bypass fill tool, the coolant reservoir would rupture under the vacuum pressures applied during vacuum coolant filling.
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