Pump, multi-function valve, and controller apparatus
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United States of America Patent
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Apr 18, 2023
Grant Date -
Jul 29, 2021
app pub date -
Jan 25, 2021
filing date -
Jan 24, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A pump assembly is disclosed. The pump assembly including a pump having an outer casing having a first end, an opposing second end, and a cavity therein and a multi-function valve connected to the first end of the pump. The pump further including a discharge tube positioned in the cavity and exiting the first end of the outer casing; a check valve positioned in the cavity and operably connected to the discharge tube by a coupling; and a multi-float control assembly positioned in the cavity, the multi float control assembly including a bottom float check valve operably connected to the discharge tube by the coupling and an upper float check valve connected to a vent exiting the first end of the outer casing.
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