Chambered vane impeller molten metal pump
OwnerKarl Greerinventor
Life of this patent
Estimating the term…
Abstract
The invention is a chambered vane impeller molten metal pump comprising a drive means, a motor mount, a coupling with a taper facilitating shaft removal, a shaft with a tapered top and a bottom with dovetail mating grooves for accepting impeller vanes, a bearing supporting the shaft, tapered support sockets, supports comprising a tapered end, an aperture, and groove, a laminated base, and a fabricated chambered vane impeller. The drive can be a motor with a gear box where the motor is air, hydraulic, electric, or a prior art direct drive electric motor with a soft start.
Claims13
A molten metal pump comprising:
- a molten metal inlet and outlet;
- drive motor means and motor mount;
- an impeller shaft and coupling connecting the impeller shaft to the drive motor means;
- a base and supports connecting said motor mount to said base;
- an impeller on said impeller shaft;
- wherein the motor mount supports the drive motor means and wherein the impeller shaft is supported by a bearing in said base;
- tapered sockets on said motor mount;
- tapered ends on said supports fitting in said tapered sockets on said motor mount and pin means releasably pinning said supports to said motor mount.
A chambered vane impeller molten metal pump comprising:
- molten metal inlet and outlet;
- a chambered vane impeller connected to a shaft and said impeller pumping molten metal from said inlet toward said outlet;
- drive motor means connected to said shaft by a releasable pin coupling;
- said shaft connected to each vane of said impeller by a mortise groove in said shaft and a cooperating tenon on said vane;
- a base and a bearing in said base rotatably supporting said shaft;
- motor mount supporting said drive motor means;
- column supports releasably connecting said base to said motor mount.
Dependencies are inferred from the claim text.