Diaphragm for fluid control valve and methods of fluid control
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United States of America Patent
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Oct 5, 2021
Grant Date -
N/A
app pub date -
Dec 7, 2017
filing date -
Dec 13, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid control valve includes a cover portion and a body portion. Inner surfaces of the cover and the body portion define a chamber that includes an inlet and an outlet in communication with the chamber. The fluid control valve also includes a diaphragm disposed between the cover portion and the body portion. The diaphragm has a flexible member that is disposed within the chamber for controlling communication between the inlet and the outlet. The upper surface of the flexible member has a substantially smooth wall portion. The flexible member has an inverted position in which the upper surface conforms to at least a portion of the inner surface of the cover portion to define a passageway that permits communication between the inlet and the outlet. The diaphragm is configured such that the lower surface of the flexible member and a seat member on the body portion have corresponding radius of curvatures such that the flexible member conforms to and seals against the seat member when the flexible member is not in the inverted position.
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