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.

Date of Patent:
May. 28, 1991

Filed:

Aug. 19, 1988
Applicant:
Inventors:

Cornelia von Charzewski, Maxdorf, DE;

Dietrich Leithner, Mannheim, DE;

Hermann Schmitt, Winnweiler, DE;

Josef Schoening, Hambruecken, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C / ; G21G / ; G21G / ;
U.S. Cl.
CPC ...
376158 ; 376191 ; 376214 ; 376381 ;
Abstract

A gas cooled nuclear reactor may have a stationary pile of spherical operating elements. The reactor may be controlled and shut down by absorber rods displaceable in channels of the side reflector. The neutron sources required for the safe start-up of such pellet pile reactors, which in the case of higher capacity pile reactors are installed in bores of the side reflector, are arranged in the stationary pile, where they are more effective and do not occupy positions in the side reflector. They may be located in one or more graphite elements having the same diameter as the operating elements. These elements may be introduced and removed into and from the core together with the operating elements and remain stationary in operation.


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