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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Marmonier; Pierre
Address:
Aix-en-Provence, FR
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
4157277 Device for measuring neutron flux in a nuclear reactor June 5, 1979
A neutron guide constituted by two superposed and separable tubular elements extends from the reactor core to the immediate vicinity of the bottom wall of the reactor vessel directly above a neutron detection chamber located outside the vessel. The upper element containing a neutron-
4056441 Bracing device for a bundle of parallel pins in a nuclear reactor assembly November 1, 1977
The device comprises at least one compartment grid formed by tube elements of small height placed in juxtaposed relation and each traversed axially by one pin of the bundle. The tube elements are rigidly fixed to each other at successive points in the grid and relatively displaced along
4019954 Safety device for a nuclear reactor and especially a fast reactor April 26, 1977
The safety device comprises an absorber element connected by a separable coupling to the lower end of a vertical operating stem. When released, the absorber element drops under gravity from a top position to a bottom position within an open-topped casing placed among wrappers containing
4003787 Device for supporting a fuel-pin cluster within a nuclear reactor fuel assembly wrapper January 18, 1977
A supporting member for an array of parallel rails each carrying one row of slidably mounted pins of a fuel clister is placed coaxially at the lower end of a vertical fuel assembly wrapper. The ends of the rails are engaged in vertical slots formed in the supporting member and are secure
3996101 Device for supporting a fuel pin cluster within a nuclear reactor fuel assembly wrapper December 7, 1976
A supporting member for an array of parallel rails each carrying one row of slidably mounted pins of a fuel cluster is placed coaxially at the lower end of a vertical fuel assembly wrapper. Each parallel rail is provided at each end with a downward extension and terminal lug which engage










 
 
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