Patent ID: 6517049
Filing Date: 2003-02-11
Classification: F16K,Y10T

Abstract:
A valve for controlling fluid flow comprising:a housing having a longitudinal passage and a substantially orthogonally oriented bore intersecting the longitudinal passage; means for sealing the orthogonally oriented bore from an ambient surrounding the housing; a sleeve disposed in the orthogonally oriented bore; a frusto-conical cavity provided in the sleeve; first and second openings extending through the sleeve and aligned with the housing longitudinal passage; a gate contained by the means for sealing and at least partially disposed in the sleeve, said gate having a frusto-conical portion and a cylindrical portion; a linear passage extending through the gate cylindrical portion, said linear passage being adapted to align with the sleeve first and second openings; and means for sliding the gate relative to the sleeve so as to seat the frusto-conical portion of the gate against the frusto-conical cavity of the sleeve.