Coolant tank
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United States of America Patent
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Oct 6, 2020
Grant Date -
Aug 15, 2019
app pub date -
Feb 5, 2019
filing date -
Feb 13, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A coolant tank includes: a tank main body configured to store a coolant discharged from a processing machine; a vortex flow generator that creates a vortex flow of the coolant in the tank main body; and a float configured to float on a liquid surface of the coolant stored in the tank main body. An outer peripheral portion of the float has a shape conforming to a shape of an inner peripheral wall surface of the tank main body and forming a gap between the outer peripheral portion and the inner peripheral wall surface.
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