Flush water tank apparatus and flush toilet apparatus equipped with same
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United States of America Patent
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Nov 22, 2022
Grant Date -
Feb 11, 2021
app pub date -
Aug 4, 2020
filing date -
Aug 5, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A flush water tank apparatus capable of opening and closing a discharge valve without the use of an external power source. A flush water tank apparatus includes a reservoir tank having a discharge opening; a discharge valve which opens and closes to supply and shut off the supply of flush water to the flush toilet; a discharge valve hydraulic drive portion, which uses the supply pressure of supplied municipal water to drive the discharge valve; an electric generator for generating electrical power using the flow of supplied municipal water; an electromagnetic valve operated by electrical power generated by the generator; and a water supply control device for controlling the supply of water to the discharge valve hydraulic drive portion based on the operation of the electromagnetic valve, and for controlling the supply of water to the reservoir tank.
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