| 摘要 |
<p>The grate includes the assembling of two families of thin sheets parallel each other in every family, and perpendicular from a family to the other to delimit square section cell, everyone being crossed by a fuel element of the bundle. The grate comprises large recesses within the cell wall, thereto determining a spring, each spring is made of two plates shaped as a flexible vault, by a sheet stud and two triangular strips, a circular pad provided to transmit the bearing power of the spring to the fuel element, is shaped at the top of each of the said triangular strips, such as once the fuel element is fitted, the section of the spring moves within the cell wall.</p> |
