The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 1997
Filed:
Jun. 01, 1995
Applicant:
Inventors:
Richard C Chandler, Solon, OH (US);
George S Mordue, Ravenna, OH (US);
Assignee:
Metaullics Systems Co., L.P., Solon, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
4174241 ; 266235 ;
Abstract
A molten aluminum pump comprised of an impeller attached to a vertical rotary shaft, the shaft forming a connecting portion between a motor and the impeller and being comprised of a refractory material without a radial bearing surface. The impeller is housed within a pumping chamber of a base member wherein rotation of the shaft and impeller draws molten aluminum into the chamber and forces the molten aluminum through an outlet in the chamber. The motor is secured to the shaft with a rigid coupling and at least one bearing journaling the coupling.