Patent ID: 9410744
Filing Date: 2016-08-09
CPC Classification: B22D,C22B,F27D

Claim Text:
1. A pumping device for placement into a pumping well for pumping molten metal, the pumping device including (a) a pump having a motor, a rotor and a drive shaft connecting the motor to the rotor, and (b) a portable refractory housing in which the molten metal pump is positioned; the portable refractory housing including: (i) an inlet, (ii) an uptake tube having a first section with a first cross-sectional area and a cylindrical second section with a second cross-sectional area, wherein the cylindrical second section is above the first section and the cylindrical second cross-sectional area is larger than the first cross-sectional area, and (iii) an outlet in communication with the second section, (c) the rotor being positioned in the first section, and (d) the pump being removable from the portable refractory housing without removing the portable refractory housing from the pumping well, and the portable refractory housing being removable from the pumping well, and; wherein the pump includes a first side and a mounting flange on the first side, the mounting flange for connecting to the platform, wherein the platform is on a top surface of the portable refractory housing.