Patent ID: 7213609

Claim:
A pressure reducing valve assembly comprising: a. a hollow body comprised of a central section, an entry branch, an exit branch, and a metering cavity disposed in said central section; b. an entry liner disposed in an axial bore in said entry branch, said axial bore of said entry liner comprising an entry port at an inner end of said entry liner; c. an exit liner disposed in an axial bore in said exit branch, said axial bore of said exit liner comprising an exit port at an inner end of said exit liner; d. a rotatably positionable metering cam disposed in said metering cavity of said hollow body, said metering cam comprising a cylindrical body with a flat base and at least a first flow port formed in said cylindrical body of said metering cam; e. an inlet orifice into said first flow port of said metering cam formed at a juncture between said cylindrical body of said metering cam and said entry port at said inner end of said entry liner; and f. an outlet orifice out of said first flow port of said metering cam formed at a juncture between said flat base of said metering cam and a flat surface in contact with said flat base, said flat surface comprising an exit port.