BUTTERFLY VALVE AND HEAT EXHANGER
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United States of America Patent
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Issued Date -
May 9, 2024
app pub date -
Sep 11, 2023
filing date -
Nov 7, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A butterfly valve 100 provided in a flow path for a first fluid flowing through a heat exchanger. The butterfly valve 100 includes: a valve plate 110 provided in the flow path; a shaft 120 for rotatably supporting the valve plate 110 in the flow path; and at least one valve plate auxiliary member 130 in contact with at least one plate surface 111a, 111b of the valve plate 100, the valve plate auxiliary member 130 having an extending portion 131 extending radially outwardly from an outer peripheral surface 112 of the valve plate 110. The valve plate auxiliary member 130 is made of a material having a lower Young's modulus than that of the valve plate 110.
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