Patents by Inventor Richard S. Henderson
Richard S. Henderson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180187685Abstract: A molten metal pump includes an impeller, a pump base housing at least partially enclosing the impeller, a shaft connected to the impeller, a motor connected to the shaft, a motor mount plate for supporting the motor; and a post for connecting the motor mount plate to the pump base housing. The molten metal pump can include a connector that connects the post to the motor mount plate. The molten metal pump can include a socket for connecting the shaft to the motor. The shaft can comprise an assembly including an elongated metal rod having a first end and a second end and a metal non-circular drive member attached at the second end of the elongated metal rod.Type: ApplicationFiled: November 16, 2017Publication date: July 5, 2018Inventors: Jorge A. Morando, Jon Tipton, George S. Mordue, Mark Bright, Lennard Lutes, Richard S. Henderson, Chris T. Vild
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Patent number: 9951777Abstract: A molten metal pump includes an impeller, a pump base housing at least partially enclosing the impeller, a shaft connected to the impeller, a motor connected to the shaft, a motor mount plate for supporting the motor; and a post for connecting the motor mount plate to the pump base housing. The molten metal pump can include a connector that connects the post to the motor mount plate. The molten metal pump can include a socket for connecting the shaft to the motor. The shaft can comprise an assembly including an elongated metal rod having a first end and a second end and a metal non-circular drive member attached at the second end of the elongated metal rod.Type: GrantFiled: July 7, 2005Date of Patent: April 24, 2018Assignee: PYROTEK, INC.Inventors: Jorge A. Morando, Jon Tipton, George S. Mordue, Mark Bright, Lennard Lutes, Richard S. Henderson, Chris T. Vild
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Patent number: 9920992Abstract: 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. The side wall further includes a feature affecting molten metal flow. The feature can include, for example, a baffle, a vane, a passage, a diverging or converging shape and combinations thereof. Similarly, the molten metal flow can be affected by slanting the ramp inwardly or outwardly.Type: GrantFiled: April 16, 2013Date of Patent: March 20, 2018Assignee: PYROTEK, INC.Inventors: Richard S. Henderson, Jason Tetkoskie, Chris T. Vild
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Publication number: 20180038373Abstract: A molten metal pump comprising an elongated tube having a base end defining an inlet and a top end defining an outlet is provided. The elongated tube is constructed of a reinforced fiber material (RFM). A shaft is disposed within the tube with an impeller secured to the shaft and disposed proximate the base end.Type: ApplicationFiled: February 26, 2016Publication date: February 8, 2018Inventors: Jason Tetkoskie, Richard S. Henderson, Peter C. Jetten, Renee Harms
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Publication number: 20170246681Abstract: A molding machine for molding material is provided. The machine includes a cavity to be filled with molten metal and a conduit system leading to the cavity, thus forming a system of interconnected hollow spaces. At least one pressure member is moveable in at least part of the conduit system. A centrifugal pump in fluid communication with a reservoir of molten metal is provided, the pump providing molten metal to the hollow space receiving the at least one pressure member.Type: ApplicationFiled: September 25, 2015Publication date: August 31, 2017Inventors: Jon TIPTON, Andrew HORSFALL, Jay FRITZKE, Richard S. HENDERSON
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Publication number: 20170241713Abstract: A molten metal processing apparatus selected from a pump, a degasser, a flux injector, and a scrap submergence device constructed to include at least one element comprised of C/C composite.Type: ApplicationFiled: August 13, 2015Publication date: August 24, 2017Applicant: PROTEK, INC.Inventors: Richard S. Henderson, Jason Tetkoskie, Lennard Lutes, Jon Tipton
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Publication number: 20170037852Abstract: The present invention is directed to a molten metal pump comprising an elongated pumping chamber tube with a base end and an open top end. A shaft extends into the tube and rotates an impeller therein, the impeller rotates proximate the base end. The tube has a diameter at least 1.1 times the diameter of the impeller. The pumping chamber tube preferably has a length at least three times the height of the impeller. The base end includes an inlet and the top end includes a tangential outlet. Rotation of the impeller draws molten metal into the pumping chamber and creates a rotating equilibrium vortex that rises up the walls of the pumping chamber. The rotating vortex adjacent the top end exists the device cia the tangential outlet.Type: ApplicationFiled: October 20, 2016Publication date: February 9, 2017Inventors: Mark A. Bright, Jason Tetkoskie, Richard S. Henderson, Herbert L. Ritchie, JR., Jorge A. Morando
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Publication number: 20160346836Abstract: The present invention is directed to a molten metal transfer system. The system includes a pump having interchangeable low flow and high flow impellers and selective low flow and high flow transfer troughs.Type: ApplicationFiled: February 4, 2015Publication date: December 1, 2016Inventors: Richard S. Henderson, Jason Tetkoskie
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Patent number: 9506346Abstract: The present invention is directed to a molten metal pump comprising an elongated pumping chamber tube with a base end and an open top end. A shaft extends into the tube and rotates an impeller therein, the impeller rotates proximate the base end. The tube has a diameter at least 1.1 times the diameter of the impeller. The pumping chamber tube preferably has a length at least three times the height of the impeller. The base end includes an inlet and the top end includes a tangential outlet. Rotation of the impeller draws molten metal into the pumping chamber and creates a rotating equilibrium vortex that rises up the walls of the pumping chamber. The rotating vortex adjacent the top end exists the device cia the tangential outlet.Type: GrantFiled: June 15, 2010Date of Patent: November 29, 2016Assignee: PYROTEK, INC.Inventors: Mark A. Bright, Jason Tetkoskie, Richard S. Henderson, Herbert L. Ritchie, Jr.
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Publication number: 20160116216Abstract: A method of fluxing or degassing a molten metal residing as a bath in a furnace. The bath of molten metal includes a bath surface height and the method provides at least one rotating impeller in the molten metal bath to initiate a flow of the molten metal. The flow in the molten metal results in elevating a portion of the molten metal above the bath surface height where at least one of a fluxing agent and an inert gas is introduced into the elevated portion of the molten metal.Type: ApplicationFiled: May 14, 2014Publication date: April 28, 2016Inventors: David Schlicht, Andrew Horsfall, Richard S. Henderson, Lennard Lutes
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Patent number: 9273376Abstract: A flux injector apparatus and method adapted to distribute a predetermined amount of flux to an associated pool of molten aluminum. The flux injector apparatus includes a pressurized tank adapted to store and feed the flux under pressure. A feed mechanism operative to discharge a predetermined amount of flux to an outlet and a controller for monitoring and operating the apparatus. The feed mechanism includes a housing having an inner wall defining a cavity with an inlet and an outlet. A feed wheel is positioned within the cavity and operative to receive a predetermined amount of flux from the inlet, translate the flux within the cavity and discharge the predetermined amount of flux through the outlet of the pressurized tank.Type: GrantFiled: June 7, 2012Date of Patent: March 1, 2016Assignee: PYROTEK INC.Inventors: Lennard Lutes, Richard S. Henderson, Jason Holstein
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Publication number: 20150069679Abstract: 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. The side wall further includes a feature affecting molten metal flow. The feature can include, for example, a baffle, a vane, a passage, a diverging or converging shape and combinations thereof. Similarly, the molten metal flow can be affected by slanting the ramp inwardly or outwardly.Type: ApplicationFiled: April 16, 2013Publication date: March 12, 2015Applicant: PYROTEK, INC.Inventors: Richard S. Henderson, Jason Tetkoskie, Chris T. Vild
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Publication number: 20140363309Abstract: A molten metal pump comprised of a metal base defining a pumping chamber is provided. The pump further includes a motor mount adapted to receive a motor, at least one metal post extending between the base and the motor mount, and a metal shaft disposed between the motor and an impeller disposed in the pumping chamber. A bearing ring engages the impeller. The pumping chamber will include an inlet and an outlet. A steel riser tube in fluid communication the outlet is also provided.Type: ApplicationFiled: June 3, 2014Publication date: December 11, 2014Applicant: PYROTEK, INC,Inventors: Richard S. Henderson, Jon Tipton, Andrew Horsfall, Peter Cornelis Jetten, Paul Bosworth
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Patent number: 8899932Abstract: According to one embodiment, a molten metal impeller is provided. It includes a generally cylindrical graphite body having a plurality of passages extending from a top surface to a side wall. A hub is formed in the center of the graphite body. A ceramic cap member is secured to the top surface of the graphite body. The cap member is comprised of a ring forming a central passage shaped cooperatively to overlap the hub and a plurality of vanes extending radially from the ring to an outer rim. The rim has a height between adjacent vanes which increases in the direction of intended impeller rotation. The rim further has a height which decreases from its radially outer most edge to an inner most edge.Type: GrantFiled: July 5, 2011Date of Patent: December 2, 2014Assignee: Pyrotek, Inc.Inventors: Jason Tetkoskie, Mark A. Bright, Richard S. Henderson
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Publication number: 20140083253Abstract: A flux injector apparatus and method adapted to distribute a predetermined amount of flux to an associated pool of molten aluminum. The flux injector apparatus includes a pressurized tank adapted to store and feed the flux under pressure. A feed mechanism operative to discharge a predetermined amount of flux to an outlet and a controller for monitoring and operating the apparatus. The feed mechanism includes a housing having an inner wall defining a cavity with an inlet and an outlet. A feed wheel is positioned within the cavity and operative to receive a predetermined amount of flux from the inlet, translate the flux within the cavity and discharge the predetermined amount of flux through the outlet of the pressurized tank.Type: ApplicationFiled: June 7, 2012Publication date: March 27, 2014Applicant: PYROTEK, INC.Inventors: Lennard Lutes, Richard S. Henderson, Jason Holstein
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Publication number: 20130101424Abstract: The present invention is directed to a molten metal pump comprising an elongated pumping chamber tube with a base end and an open top end. A shaft extends into the tube and rotates an impeller therein, the impeller rotates proximate the base end. The tube has a diameter at least 1.1 times the diameter of the impeller. The pumping chamber tube preferably has a length at least three times the height of the impeller. The base end includes an inlet and the top end includes a tangential outlet. Rotation of the impeller draws molten metal into the pumping chamber and creates a rotating equilibrium vortex that rises up the walls of the pumping chamber. The rotating vortex adjacent the top end exists the device cia the tangential outlet.Type: ApplicationFiled: June 15, 2010Publication date: April 25, 2013Inventors: Mark A. Bright, Jason Tetkoskie, Richard S. Henderson, Herbert L. Ritchie, JR., Jorge A. Morando
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Patent number: 8178036Abstract: An impeller for dispersing gas into molten metal includes a rectangular prism body having upper and lower faces and four side walls. The body has an opening extending through the upper and lower faces and defines a hub around the opening on the upper face. The impeller further includes a plurality of elongate grooves extending radially outwardly from the hub.Type: GrantFiled: July 13, 2007Date of Patent: May 15, 2012Assignee: Pyrotek, Inc.Inventors: David Neff, Richard S. Henderson, Lennard D. Lutes, James Grayson
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Publication number: 20120003099Abstract: According to one embodiment, a molten metal impeller is provided. It includes a generally cylindrical graphite body having a plurality of passages extending from a top surface to a side wall. A hub is formed in the center of the graphite body. A ceramic cap member is secured to the top surface of the graphite body. The cap member is comprised of a ring forming a central passage shaped cooperatively to overlap the hub and a plurality of vanes extending radially from the ring to an outer rim. The rim has a height between adjacent vanes which increases in the direction of intended impeller rotation. The rim further has a height which decreases from its radially outer most edge to an inner most edge.Type: ApplicationFiled: July 5, 2011Publication date: January 5, 2012Inventors: Jason Tetkoskie, Mark A. Bright, Richard S. Henderson
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Publication number: 20100052227Abstract: An impeller for dispersing gas into molten metal includes a rectangular prism body having upper and lower faces and four side walls. The body has an opening extending through the upper and lower faces and defines a hub around the opening on the upper face. The impeller further includes a plurality of elongate grooves extending radially outwardly from the hub.Type: ApplicationFiled: July 13, 2007Publication date: March 4, 2010Inventors: David Neff, Richard S. Henderson, Lennard D. Lutes, James Grayson
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Publication number: 20080253905Abstract: A molten metal pump includes an impeller, a pump base housing at least partially enclosing the impeller, a shaft connected to the impeller, a motor connected to the shaft, a motor mount plate for supporting the motor; and a post for connecting the motor mount plate to the pump base housing. The molten metal pump can include a connector that connects the post to the motor mount plate. The molten metal pump can include a socket for connecting the shaft to the motor. The shaft can comprise an assembly including an elongated metal rod having a first end and a second end and a metal non-circular drive member attached at the second end of the elongated metal rod.Type: ApplicationFiled: July 7, 2005Publication date: October 16, 2008Inventors: Jorge A. Morando, Jon Tipton, George S. Mordue, Mark Bright, Lennard Lutes, Richard S. Henderson, Chris T. Vild