Gating apparatus and method of manufacture

Details Gating apparatus and method of manufacture Gating apparatus and method of manufacture

2006-04-11

2006-04-11

Bastianelli, John (Department: 3751)

Valves and valve actuation

Heat or buoyancy motor actuated

C251S129060, C251S231000, C251S368000

Reexamination Certificate

active

07025324

ABSTRACT:
A gating apparatus for controlling the gap between two surfaces that includes an upper structure having a polished central region portion, an elastically deformable fulcrum structure, and an elastically deformable lever region. The upper structure can be fabricated from silicon using microelectromechanical system (MEMS) fabrication techniques. The gating apparatus also includes a lower structure coupled to the upper structure at the elastically deformable fulcrum structure. The upper structure, in response to a force, can bend about the fulcrum structure, thereby forming a variable gap between the polished central region portion and the lower structure. The variable gap can be used as a filter to filter fluids and mixed phase fluids. The structures can be made from a wide variety of materials including silicon, glass, ceramic, metal, and plastic.

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