Flexible Solid-State Pump Constructed of Surface-Modified Glass Fiber Filters and Metal Mesh Electrodes

This invention describes a pump that moves fluid using electricity instead of moving parts. It works by applying an electric field across a special membrane made of inorganic fibers, like glass, which are treated on their surface to carry an electrical charge. This charge then pulls the fluid through the membrane. The claims specify that these fibers are made of materials such as silica, alumina, or zirconia, and can be at least 60% silica.

Why it matters: Since 2010, advancements in microfluidics and materials science have likely made the precise surface modification of inorganic fibers for electroosmotic micropumps more efficient or scalable.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedCustom membrane chemistry, specialized fiber treatment

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