Patent ID: 8079386
Filing Date: 2011-12-20
Classification: G05D,Y10T

Abstract:
1. A variable pressure reducing device comprising: a hollow housing body formed with an inlet opening, an outlet opening spaced apart from said inlet opening, and an inner wall surface; an intake tube that extends into said housing body from said inlet opening, said intake tube being formed with an inlet channel and being further formed with an outer tube surface that cooperates with said inner wall surface to form an outlet channel in fluid communication with said outlet opening; and a control unit including wherein said redirection structure includes a sealing part, a sleeve tube extending from said sealing part, and an elongated member extending from said sealing part and disposed in said sleeve tube, said intake tube extending into said sleeve tube, said elongated member extending into said intake tube, said redirection channel being formed by an outer surface of said elongated member, an inner tube surface of said intake tube, said outer tube surface of said intake tube, and an inner sleeve surface of said sleeve tube, said sealing part, said sleeve tube, and said elongated member being movable relative to said intake tube to vary configuration of said redirection channel according to a depth of extension of said intake tube into a space between said sleeve tube and said elongated member.