Pump structure for use in transfer chamber

Patent metadata

Field	Value
Publication number	US-2016089718-A1
Application number	US-201514959758-A
Country	US
Kind code	A1
Filing date	Dec 4, 2015
Priority date	Jun 21, 2007
Publication date	Mar 31, 2016
Grant date	—

Abstract

The invention relates to systems for transferring molten metal from one structure to another. Aspects of the invention include a transfer chamber constructed inside of or next to a vessel used to retain molten metal. The transfer chamber is in fluid communication with the vessel so molten metal from the vessel can enter the transfer chamber. A powered device, which may be inside of the transfer chamber, moves molten metal upward and out of the transfer chamber and preferably into a structure outside of the vessel, such as another vessel or a launder.

First claim

What is claimed:

1 . A method of building a molten metal pump to fit within a transfer well in a vessel having a restricted area in which a rotor is to be positioned, and a top surface, the method comprising the steps of:
(a) reviewing at least a measurement of the height of the transfer well; and (b) constricting a molten metal pump that includes a motor, a superstructure, a rotor, and a shaft connecting the motor to the rotor, the pump configured so when the superstructure is positioned on the top surface, the rotor is positioned at least partially in the restricted area.

2 . The method of claim 1 wherein the rotor is positioned entirely in the restricted area.

3 . The method of claim 1 that further includes the step of adding one or more structures to the superstructure to assist it in being supported by the top surface.

4 . The method of claim 4 wherein the one or more structures are one more brackets.

5 . The method of claim 1 wherein the pump does not have support posts or a pump housing.

6 . The method of claim 1 wherein the drive shaft comprises a motor shaft coupled to a rotor shaft, wherein the motor shaft is connected to the motor and the rotor shaft is connected to the rotor.

7 . The method of claim 1 that further includes the step of reviewing the dimensions of the restricted area and configuring the rotor to fit at least partially within the restricted area.

8 . The method of claim 7 wherein the rotor fits entirely within the restricted area.

9 . The method of claim 7 wherein the restricted area is circular and rotor is configured to be 1/32″ to ½″ less in diameter than the diameter of the restricted area.

10 . The method of claim 8 wherein the restricted area is circular and rotor is configured to be 1/32″ to ½″ less in diameter than the diameter of the restricted area.

11 . The method of claim 1 further including attaching one or more brackets to the top surface, the one or more brackets to assist in supporting the pump.

12 . The method of claim 3 further including attaching one or more brackets to the top surface, the one or more brackets to assist in supporting the pump.

13 . The method of claim 4 further including attaching one or more brackets to the top surface, the one or more brackets to assist in supporting the pump.

14 . The method of claim 1 wherein the rotor has a bottom surface angled to push molten metal up and a surface above the angled surface to push molten metal outward.

15 . The method of claim 1 wherein the pump is selected to generate sufficient power to generate an adequate flow of molten metal out of the vessel.

Assignees

• Molten Metal Equipment Innovations Llc

Inventors

• Cooper Paul V
• Fontana Vincent D

Classifications

• Y10T29/49826

  Assembling or joining · CPC title

• B22D39/00

  Equipment for supplying molten metal in rations · CPC title

• F27D3/14

  Charging or discharging liquid or molten material · CPC title

• B22D41/00

  Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D39/00, B22D43/00 take precedence) · CPC title

• B22D41/52 Primary

  Manufacturing or repairing thereof · CPC title