Open exit molten metal gas injection pump
AssigneePyrotek, Inc.
InventorsRichard S. Henderson, Jason Tetkoskie, Edward W. Shilling
Life of this patent
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Abstract
A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom walls and opposed side walls, wherein said top and side walls terminate at an intersection with a boundary of the base and said bottom wall terminates inward from said boundary.
Claims13
A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom walls and opposed side walls, wherein at least one of said top wall and said opposed side walls include a gas injection inlet, and wherein said top and opposed side walls terminate at an intersection with a boundary of the base, said top wall, said opposed side walls and said bottom wall defining an opening to said outlet passage, and wherein said bottom wall terminates inward from said top and opposed side walls.
A molten metal pump comprised of a base defining a pumping chamber, an impeller disposed within said pumping chamber, an outlet passage extending from said pumping chamber, said outlet passage being defined by opposed top and bottom walls and opposed side walls, wherein the top wall includes a gas injection inlet, wherein said top and opposed side walls terminate at an intersection with a boundary of the base and said bottom wall terminates outwardly from a line at least substantially perpendicular to said gas injection inlet and inward from said boundary, and wherein an interior surface of at least one of said top and opposed side walls tapers outwardly.
Dependencies are inferred from the claim text.