Patents Assigned to Metaullics Systems Co., L.P.
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Patent number: 6887425Abstract: An apparatus for moving a stream of molten metal comprising a pumping member, a housing at least partially enclosing the pumping member, a power device seated on a support, and a shaft connecting the power device and the pumping member. At least one post is disposed between the support and the housing. The post includes an elongated rod comprising a metal alloy surrounded by an outer sheath. An inner member may surround the rod and provide a molten metal resistant barrier. The rod includes a first end connected to the support and a second end secured to the housing. A similar design for a shaft is also provided.Type: GrantFiled: September 16, 2002Date of Patent: May 3, 2005Assignee: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright, Chris T. Vild, Richard S. Henderson, Richard C. Chandler
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Patent number: 6843640Abstract: A molten material pump includes an impeller housed within a base member of the pump. A plurality of grooves are defined in a peripheral sidewall of the impeller for either drawing a molten material into the base member's chamber or pushing molten material out of the base member's chamber. The impeller is rotated by a rotatable shaft connected to an upper surface of the impeller. The rotatable shaft includes a non-circular shaped lower end dimensioned to be received within a cooperating opening in the impeller. The molten material pump further includes a connecting assembly for interconnecting components of the molten material pump. The connecting assembly includes a first mounting member attached to a first pump component that is dimensioned to be fitted within a cooperating recess of a second mounting member attached to a second pump component. In another embodiment of the invention, a stub shaft connects an upper shaft portion of the shaft to the impeller.Type: GrantFiled: March 31, 2003Date of Patent: January 18, 2005Assignee: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright
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Publication number: 20040123970Abstract: An apparatus for filtering molten metal held in a vessel before the metal enters the dosing tube. The filtering apparatus includes an attachment portion that mounts to the dosing tube, a filter body connected to the attachment portion and a planar surface attached to an end of the filter body opposite the attachment portion. The filter body can include a beveled end opposite the attachment portion where the planar surface is attached. The apparatus can be made from a bonded-particle material made from silicon carbide or aluminum oxide held together by an aluminum-resistant binder.Type: ApplicationFiled: September 11, 2003Publication date: July 1, 2004Applicant: Metaullics Systems Co. L.P.Inventor: David Neff
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Publication number: 20030185679Abstract: A molten material pump includes an impeller housed within a base member of the pump. A plurality of grooves are defined in a peripheral sidewall of the impeller for either drawing a molten material into the base member's chamber or pushing molten material out of the base member's chamber. The impeller is rotated by a rotatable shaft connected to an upper surface of the impeller. The rotatable shaft includes a non-circular shaped lower end dimensioned to be received within a cooperating opening in the impeller. The molten material pump further includes a connecting assembly for interconnecting components of the molten material pump. The connecting assembly includes a first mounting member attached to a first pump component that is dimensioned to be fitted within a cooperating recess of a second mounting member attached to a second pump component. In another embodiment of the invention, a stub shaft connects an upper shaft portion of the shaft to the impeller.Type: ApplicationFiled: March 31, 2003Publication date: October 2, 2003Applicant: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright
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Publication number: 20030075844Abstract: An apparatus for moving a stream of molten metal comprising a pumping member, a housing at least partially enclosing the pumping member, a power device seated on a support, and a shaft connecting the power device and the pumping member. At least one post is disposed between the support and the housing. The post includes an elongated rod comprising a metal alloy surrounded by an outer sheath. An inner member may surround the rod and provide a molten metal resistant barrier. The rod includes a first end connected to the support and a second end secured to the housing. A similar design for a shaft is also provided.Type: ApplicationFiled: September 16, 2002Publication date: April 24, 2003Applicant: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright, Chris T. Vild, Richard S. Henderson, Richard C. Chandler
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Patent number: 6551060Abstract: A molten material pump includes an impeller housed within a base member of the pump. A plurality of grooves are defined in a peripheral sidewall of the impeller for either drawing a molten material into the base member's chamber or pushing molten material out of the base member's chamber. The impeller is rotated by a rotatable shaft connected to an upper surface of the impeller. The rotatable shaft includes a non-circular shaped lower end dimensioned to be received within a cooperating opening in the impeller. The molten material pump further includes a connecting assembly for interconnecting components of the molten material pump. The connecting assembly includes a first mounting member attached to a first pump component that is dimensioned to be fitted within a cooperating recess of a second mounting member attached to a second pump component. In another embodiment of the invention, a stub shaft connects an upper shaft portion of the shaft to the impeller.Type: GrantFiled: February 1, 2001Date of Patent: April 22, 2003Assignee: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright
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Publication number: 20030059302Abstract: A molten material pump includes an impeller housed within a base member of the pump. A plurality of grooves are defined in a peripheral sidewall of the impeller for either drawing a molten material into the base member's chamber or pushing molten material out of the base member's chamber. The impeller is rotated by a rotatable shaft connected to an upper surface of the impeller. The rotatable shaft includes a noncircular shaped lower end dimensioned to be received within a cooperating opening in the impeller. The molten material pump further includes a connecting assembly for interconnecting components of the molten material pump. The connecting assembly includes a first mounting member attached to a first pump component that is dimensioned to be fitted within a cooperating recess of a second mounting member attached to a second pump component. In another embodiment of the invention, a stub shaft connects an upper shaft portion of the shaft to the impeller.Type: ApplicationFiled: February 1, 2001Publication date: March 27, 2003Applicant: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright
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Patent number: 6464458Abstract: An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a shaft. A plurality of circumferentially spaced passages extend from the top or bottom surface to a side wall of the impeller, each of the passages being separate and preferably having an inlet opening which is equal to or less than the corresponding outlet opening in size. A recess being optionally formed in the top or bottom surface, forming the initial inlet to the passages.Type: GrantFiled: April 25, 2001Date of Patent: October 15, 2002Assignee: Metaullics Systems Co., L.P.Inventors: Chris T. Vild, Mark A. Bright
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Patent number: 6451247Abstract: An apparatus for moving a stream of molten metal comprising a pumping member, a housing at least partially enclosing the pumping member, a power device seated on a support, a shaft connecting the power device and the pumping member. At least one post is disposed between the support and the housing. The post includes an elongated rod surrounded by a heat resistant outer member. The rod includes a first end connected to the support and a second end secured within a cavity in the housing.Type: GrantFiled: November 9, 1999Date of Patent: September 17, 2002Assignee: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Mark A. Bright, Chris T. Vild, Richard S. Henderson
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Patent number: 6358467Abstract: A coupling mechanism for a molten metal processing system includes an elongated shaft having an upper axial end and a lower axial end. A passage having a torque facilitating shape extends through at least a portion of the shaft. The upper end of the shaft tapers inwardly and forms a tapered seat. At least one channel is machined into an outer surface of the upper end of the shaft. The channel has a first portion extending longitudinally downward from a top surface of the shaft and a second portion extending from the first portion at an angle greater than 90° relative to the first portion. A coupling member, for coupling the shaft to a drive system, includes a body having an annular wall which defines a cavity. At least one locking member is disposed on an inner surface of the annular wall which is adapted to cooperate with the channel in the shaft. The locking member is aligned with the first portion of the channel and the shaft is slid into the cavity.Type: GrantFiled: April 7, 2000Date of Patent: March 19, 2002Assignee: Metaullics Systems Co., L.P.Inventor: George S. Mordue
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Patent number: 6254340Abstract: An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a shaft. A plurality of circumferentially spaced passages extend from the top or bottom surface to a side wall of the impeller, each of the passages being separate and preferably having an inlet opening which is equal to or less than the corresponding outlet opening in size. A recess being optionally formed in the top or bottom surface, forming the initial inlet to the passages.Type: GrantFiled: April 8, 1998Date of Patent: July 3, 2001Assignee: Metaullics Systems Co., L.P.Inventors: Chris T. Vild, Mark A. Bright
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Patent number: 6250881Abstract: A molten metal impeller having a base portion including a circumferential notch. The notch having a generally radial wall and a generally axial wall, at least one of the radial or axial walls including a plurality of grooves. A ceramic bearing ring is cemented into the notch.Type: GrantFiled: May 22, 1996Date of Patent: June 26, 2001Assignee: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Richard S. Henderson
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Patent number: 6231639Abstract: A filter cartridge for a molten metal filtering system is provided with a modular construction in which the filter elements are adapted to be removably mounted to an end plate. The filter elements may be removed separately from the filter and replaced with new filter elements without removing the entire cartridge assembly. According to another aspect of the invention, the filter elements are provided with an elliptical cross-section.Type: GrantFiled: March 7, 1997Date of Patent: May 15, 2001Assignee: Metaullics Systems Co., L.P.Inventors: David J. Eichenmiller, Richard S. Henderson, Lennard D. Lutes, Harvey Martin
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Patent number: 6217823Abstract: A metal scrap submergence device comprising an open top chamber including walls of a heat resistant material, an inlet positioned in a side wall of the chamber, an outlet positioned in the base of said chamber, and a ramp adjacent said side wall of the chamber.Type: GrantFiled: March 30, 1999Date of Patent: April 17, 2001Assignee: Metaullics Systems Co., L.P.Inventors: Chris T. Vild, Jan H. L. van Linden
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Patent number: 6074455Abstract: A method of melting metal scrap in a molten melting media, the method comprising (a) providing a source of molten melting media in a furnace, the melting media in the furnace having a first surface level; (b) providing a first melting bay in fluid communication with the furnace to receive molten melting media from the furnace to provide a body of molten melting media in the first melting bay for purposes of melting floatable metal scrap, the first melting bay having: (i) a bottom; and (ii) an outer wall connected to the bottom defining the first melting bay, the outer wall having a generally spiral shaped cross section terminating in a mouth of a channel for removing melting media and molten scrap to an adjacent bay, the spiral shaped cross section receding away from a generally central axis of the first melting bay.Type: GrantFiled: January 27, 1999Date of Patent: June 13, 2000Assignee: Metaullics Systems Co., L.P.Inventors: Jan H.L. van Linden, Chris T. Vild
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Patent number: 6036745Abstract: In a charge well for adding scrap metal pieces or particles to a molten metal bath, a stationary diverter is provided within a charge well for diverting the circular flow of molten metal, caused by the orientation of the inlet port, in a downward direction, thereby creating a downward flow of molten metal which results in quick and efficient submergence of incoming lightweight scrap metal pieces or particles. Preferably, the diverter includes a leading edge which extends in a generally radial direction within the charge well and a flat top surface which tapers from the leading edge to a point or narrowed trailing edge. A downward curved surface extends from the leading edge to facilitate the downward flow of molten metal. The diverter may be mounted on a support member extending above the charge well.Type: GrantFiled: January 17, 1997Date of Patent: March 14, 2000Assignee: Metaullics Systems Co., L.P.Inventors: Ronald E. Gilbert, Chris T. Vild, Richard S. Henderson, Mark A. Bright
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Patent number: 5993728Abstract: An apparatus for treating molten aluminum or zinc having a housing providing a chamber for containing a molten metal. The chamber including an inlet opening and an outlet passage. A rotatable impeller disposed within the chamber for drawing molten metal in through the inlet and expelling molten metal through the outlet passage. A convergent nozzle being positioned in the outlet passage. A gas injection conduit having an inlet in fluid communication with a source of purifying gas and an outlet in proximity to the chamber, and positioned upstream of the nozzle.Type: GrantFiled: July 25, 1997Date of Patent: November 30, 1999Assignee: Metaullics Systems Co., L.P.Inventor: Chris T. Vild
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Patent number: 5947705Abstract: A molten metal pump for transferring molten metal from a first vessel to a second vessel. The pump is constructed of a base member including a pumping chamber, a motor supported by at least one post, a rotatable shaft secured at a first end to said motor and at a second end to an impeller disposed within said pumping chamber. The pumping chamber includes an outlet to a first end of an elongated refractory tube having a longitudinal axis substantially parallel to the shaft. The tube has a second end passing through an opening in the platform. The tube includes a metallic cladding attached to an outer wall adjacent it's second end. A releasable fastening member is used to secure to the portion of the tube having the metallic cladding to the platform.Type: GrantFiled: August 7, 1997Date of Patent: September 7, 1999Assignee: Metaullics Systems Co., L.P.Inventors: George S. Mordue, Chris T. Vild, Herbert L. Ritchie, Jr.
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Patent number: 5785494Abstract: An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a shaft. A plurality of circumferentially spaced passages extend from the top surface to a side wall of the impeller, each of the passages being separate and preferably having an inlet opening which is equal to or less than the corresponding outlet opening in size.Type: GrantFiled: April 23, 1997Date of Patent: July 28, 1998Assignee: Metaullics Systems Co., L.P.Inventors: Chris T. Vild, Mark A. Bright
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Patent number: 5741422Abstract: A molten metal filter medium comprised of at least two opposed wedge-shaped plates having at least one hollow generally oblong member comprised of porous ceramic material attached at a first end to one of the plates and at a second end to the second plate, at least one of the plates including a passage to an outlet communicating with the hollow member, wherein molten metal can enter the filter through the hollow member and exit the filter through the passage in the end plate.Type: GrantFiled: September 5, 1995Date of Patent: April 21, 1998Assignee: Metaullics Systems Co., L.P.Inventors: David J. Eichenmiller, Richard S. Henderson, Robert Karel Franken