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. 24, 1987
Filed:
Nov. 07, 1986
Manfred Scherer, Pfaffenhofen, DE;
Krauss-Maffei A.G., , DE;
Abstract
A pressure centrifuge with a process chamber enclosed by a pressure housing and a drum and a screw concentrically supported. The connections between the process chamber and the atmosphere are located in the area of bearing supports and provided with rotating mechanical seals. In order to expose the product to be processed in the process chamber to elevated pressures and temperatures a double rotating mechanical seal in the area of the bearing supports between the drum and the screw, which enclose a separate sealing chamber located within a closed cooling and lubricating medium circulation and connected by a connecting channel in the drum and a first rotating passage and a connecting channel in the screw and a second rotating passage with the part of a cooling and lubricating medium circulation located outside the pressure housing.