Patent · US Expired

Autoclave furnace with mechanical circulation

US4151400A · kind A · utility

31Cited by

14References

3Claims

0Family size

Assignee

Autoclave Engineers, Inc. · US

Inventors

Charles W. Smith, Jr. · Fairview, US
William H. Walker · Fairlawn, US
Franz X. Zimmerman · Erie, US

Key dates

Filing date	Jun 15, 1977
Grant date	Apr 24, 1979
Priority date	—
Expiry date	Jun 15, 1997

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F3/15
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An apparatus for treating a workpiece at elevated temperatures and pressures comprising an elongate cylindrical pressure vessel. Within the pressure vessel a hearth sits upon a pedestal. A cavity near the base of the pedestal defines an impeller chamber. An impeller is positioned in the chamber and has a downwardly extending drive shaft which is magnetically driven from outside the pressure vessel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.