Patent ID: 8302800

Claim:
A protective device for a pressure release valve in a lid of a pressure cooker, a lower portion of said pressure release valve being located inside said lid, said protective device comprising: a mesh casing body with numerous openings, said mesh casing body being of a dome shape, a ring-shaped reinforcing frame fixed to an upper edge of said mesh casing body, a bridge plate fixed at end portions thereof to said reinforcing frame, keeping a distance between said bridge plate and a bottom of said mesh casing body, said bridge plate comprising an elongated rectangular thin metal plate disposed diametrically across the ring-shaped reinforcing frame, and an attachment member of substantially a hollow cylinder provided at a center of said bridge plate, said attachment member to be fitted to said lower portion of said pressure release valve and formed with an air aperture that communicates with an interior of said pressure release valve, a size of each of said openings of said mesh casing body being equal to or smaller than said air aperture of said attachment member; whereby clogging of said air passage of said pressure release valve is prevented.