Patent ID: 8361379
Filing Date: 2013-01-29
Classification: F04D,F17D,Y10T

Abstract:
1. A molten metal pump including: (a) a motor; (b) a rotor; (c) a shaft connecting the motor to the rotor; (d) a base having a first side, a second side opposite the first side, a bottom and comprising: (e) a gas-transfer foot comprising: (f) a notch constructed in the first side and bottom of the base to form a channel in the base, the notch having a first side wall, a second side wall opposite the first side wall, and a terminating wall in the bottom, wherein the terminating wall connects the first side wall and the second side wall, and there is no opening in the second side of the base that communicates with the notch, the notch configured to receive at least part of the gas-transfer foot so that when the first end of the gas-transfer foot contacts the terminating wall, the gas-outlet port is aligned with the gas-release opening.