Eccentrically displaceable sleeve type shut-off valve
OwnerHans D. Baumanninventor
Life of this patent
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Abstract
The Eccentrically displaceable sleeve type shut-off valve is comprised of a housing having a central, vertical bore retaining therein a flexible, tubular sleeve whose central portion can be eccentrically motivated towards or away from a valve seat and which is located perpendicularly towards and at the center of said vertical bore, by a core element positioned inside said sleeve and which is capable of being radially displaced by a cam type mechanism following the reciprocal movements of a valve stem.
Claims4
Eccentrically displaceable sleeve type shut-off valve, comprising a housing having at least one horizontal inlet port and outlet port and one central opening extending essentially perpendicular to said inlet port, the interface between said horizontal inlet port and the perpendicular central opening constituting a valve seat, a flexible sleeve inserted within and extending beyond the length of said central opening, a cylindrical core snugly fitting within said flexible sleeve and extending in width beyond the cross-sectional dimension of said inlet port, a shaft extending through the length of said central opening and having a camming element, said core having a bore cooperatively engaging with the shaft and having suitably configured portions to engage said camming element of the shaft and capable of causing the lateral displacement of said core toward said inlet port thereby forcing the central portion of said flexible sleeve to make a complimentary motion and thereby causing the sleeve to contact the valve seat to close off and prevent fluid from flowing from the inlet to the outlet port upon sufficient longitudinal displacement of said shaft, suitable closure means attached to either terminating end of said central opening to retain a portion of the flexible sleeve.
Dependencies are inferred from the claim text.