Molten metal pump system
US6869564B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2002 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Dec 21, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D7/065
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A molten metal pump system which generally provides a refractory connection joint for connecting a refractory pump post to a pump base, the pump post including a refractory post with a first end, the first end including an internal joint peg aperture; a refractory base with a post aperture configured to receive the first end of the refractory post, and with a peg aperture contiguous with the post aperture; and a joint peg with a first end and a second end, the joint peg including a retention shoulder, the joint peg configured to insert through the peg aperture in the refractory base with a retention bar or bolt inserted through an aperture in the joint peg of refractory post, and the retention shoulder engaging the refractory base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.