MOLTEN METAL PUMP FILTER
First Claim
Patent Images
1. A molten metal pump base comprising:
- an opening configured to receive a molten metal pump filter; and
the molten metal pump filter positioned at least partially in the opening, the filter comprised of a ceramic foam material.
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Accused Products
Abstract
The invention relates to filtering molten metal and more particularly, to a pump, pump base and filter for filtering molten metal, wherein the filter is preferably comprised of a ceramic foam material. The ceramic foam material may be buoyant in molten aluminum. In one embodiment, a molten metal pump includes a pump base configured to receive the molten metal pump filter without using cement.
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Citations
27 Claims
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1. A molten metal pump base comprising:
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an opening configured to receive a molten metal pump filter; and the molten metal pump filter positioned at least partially in the opening, the filter comprised of a ceramic foam material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A molten metal pump for filtering molten metal comprising:
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a molten metal pump base having a pump chamber, a discharge and outlet port; a superstructure connected to the pump base by one or more support posts; a motor on the superstructure; a drive shaft having a first end connected to the motor and a second end; a rotor positioned in the pump chamber and connected to the second end of the drive shaft; and a molten metal pump filter positioned at least partially in the pump chamber and beneath the rotor. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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- 26. A filter for use in a molten metal pump base, the pump base comprised of a material having a density, the filter comprised of a porous ceramic and having a density less than the density of the material comprising the pump base, the porous ceramic being buoyant in molten metal aluminum.
Specification