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:
Sep. 28, 1993
Filed:
Jul. 17, 1992
Applicant:
Inventor:
Eugene Bacconnet, Marcoussis, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C / ;
U.S. Cl.
CPC ...
376254 ; 376255 ;
Abstract
Apparatus for monitoring the neutron flux of a nuclear reactor in biological protection concrete (6) surrounding the vessel (4) containing the reactor core (2) and having, in vertical shafts (8 to 22) located in the concrete in the vicinity of said vessel (4), a certain number of neutron detecting devices, characterized in that each shaft is provided with a central, aluminium housing tube (24) and several peripheral, aluminium tubes (28), the central tube (24) being reserved for the housing of the boron deposit proportional counter and the peripheral tubes for the housing of the fission chambers, each maintained at a different height by support means connected to the tubes.