Vacuum breaker valve
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United States of America Patent
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-
Jan 16, 2024
Grant Date -
N/A
app pub date -
Oct 3, 2022
filing date -
Oct 3, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum breaker valve may include a valve body, a non-return member, a waterstop, and an abutting member. The valve body has a water inlet end and a water outlet end, and the valve body is connected to a pipe so as the water flows from the water inlet end to the water outlet end. The valve body has a shoulder portion and a stepped portion on the inner wall thereof, and the top surface of the shoulder portion comprises at least a first through hole downwardly penetrating the outer wall of the valve body. The shoulder portion is located below the stepped portion, and the stepped portion is formed in two steps shape, which has a vertical first abutting edge, a horizontal second abutting edge, and a vertical third abutting edge in sequence.
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