Patent ID: 6491188
Filing Date: 2002-12-10
Classification: G01F,Y10T

Abstract:
A valve for discharging a pressurized vessel, comprising:a housing having a cylindrical inner chamber; a pair of end caps respectively attached to each end of said housing, one of said end caps including an inlet opening and an other of said end caps including an outlet opening; a cylindrical rotor body rotatably disposed within said inner chamber of said housing, said rotor body including a pair of end faces respectively positioned closely adjacent to said end caps, and a plurality of longitudinally extending cylinders extending between said end faces, each said cylinder positioned generally concentrically about an axis of rotation of said rotor body whereby said plurality of cylinders are sequentially disposed in communication with said inlet opening and said outlet opening during rotation of said rotor body within said inner chamber during use; wherein a position of said inlet opening in said one end cap and a position of said outlet opening in said other end cap define two quadrants of revolution of said rotor body, and wherein one of said end caps includes a counter pressure line extending between said two quadrants of revolution.