| 摘要 |
<p>1,047,749. Fuel elements. COMMISSARIAT A L'ENERGIE ATOMIQUE. July 7, 1965 [July 7, 1964], No. 28869/65. Heading G6C. A support for a nuclear fuel element comprises a metal part in the form of a spider with a plurality of lateral arms located at the lower end of an annular sleeve which surrounds the fuel element, a central portion of the spider supporting the fuel element while the extremities of the lateral arms are attached to the sleeve, e.g. by means of a screw-and-nut arrangement or by welding, the support having been formed by cutting out and bending a metal plate. Each of the lateral arms is folded back so as to be located in a plane which passes through the axis of the central portion. In the embodiment described, the extremities of the lateral arms are attached to the sleeve by screws and nuts disposed in recesses within the thickness of the sleeve. A graphite seating block for the fuel element which is fixed on the central portion of the support member is formed with slots such as to permit the insertion of the lateral arms. The fuel element comprises a hollow fuel rod housed within a can provided on its outside surface with cooling fins in chevron form, the various parallel fin sectors of the chevrons being separated from one another by longitudinal grooves. Longitudinal splitters are fitted in one out of two of the grooves formed between these sectors.</p> |
