Inversion inhibitor for fluid control valve and methods of fluid control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 23, 2021
Grant Date -
Oct 10, 2019
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 cover portion includes a central section and an inversion inhibitor circumscribing the central section. The inversion inhibitor projects into the chamber toward a central axis of 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 inversion inhibitor prevents the flexible member from reaching its natural-inverted position and creates a force within the flexible member that urges the flexible member to a seated position. In the partially inverted position, the upper surface of the flexible member 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.
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