LIQUID QUALITY MEASUREMENT APPARATUS AND LIQUID QUALITY MEASUREMENT SYSTEM
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United States of America Patent
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Issued Date -
Dec 1, 2022
app pub date -
May 31, 2022
filing date -
May 31, 2022
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Abstract
A liquid quality measurement apparatus includes a piping constituting a circulation path through which a measurement liquid flows, and a liquid quality sensor for measuring the quality of the measurement liquid, and an addition tank connected to the piping via an inlet port and an outlet port. The addition tank has an internal space, an introduction portion through which a liquid different from the measurement liquid is introduced, and a ventilation portion through which air is released from the internal space to the outside. An addition tank internal channel is formed at a bottom portion of the internal space. The addition tank internal channel connects the inlet port and the outlet port. The measurement liquid flows through the addition tank internal channel. The introduction portion and the ventilation portion are disposed in a wall surface of the addition tank that faces the internal space above the addition tank internal channel.
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