Patent 10995867 was granted and assigned to Tesla (company) on May, 2021 by the United States Patent and Trademark Office.
A valve includes a holder having an expandable material. The valve includes a retainer coupled to the holder. The valve further includes an umbrella member with a stem coupled to the holder. The expandable material is adapted to expand in size when absorbing a fluid and translate the umbrella member along an axis of the stem.