Mixing apparatus
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United States of America Patent
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Apr 18, 2017
Grant Date -
Apr 10, 2014
app pub date -
Dec 4, 2013
filing date -
Jun 8, 2011
priority date (Note) -
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Abstract
A mixing apparatus which can reliably prevent an auxiliary liquid from being unintentionally mixed into a main unit even when a failure occurs in a switching device, and which can prevent the switching device or an auxiliary flow route from being damaged even when a pressurizing device malfunctions due to the failure. The mixing apparatus includes a pipe circulating dilution water; a pipe circulating a disinfecting solution; a pressurizing pump circulating the disinfecting solution in the pipe toward the pipe; and a check valve capable of optionally turning on and off the pipe. The mixing apparatus further includes a discharge flow route which consists of a flow route branched from between the check valve and the pressurizing pump in the pipe, and which can discharge the dilution water or the disinfecting solution; and an electromagnetic valve which can control the flow route between the check valve and the pressurizing pump in the pipe to have a pressure lower than that of the pipe when not mixing the disinfecting solution with the dilution water.
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