On the inside or the outside of this place a system of pipes is connected to the gas discharge holes of the individual fuel-rod end caps. The fuel elements are assembled from them by attaching the fuel elements at the fuel rod support plate by one of the end caps. Such nuclear reactor fuel rods are also called vented fuel rods and are used mainly in gas-cooled nuclear reactors. The rod is also equipped with a mechanism to hold back and, after a time delay, carry off fission products by means of the combination of a gas-absorbing filter material, and of a hole provided in the adjoining end cap. This invention is concerned with a nuclear reactor fuel rod comprised of a thin-walled tubular casing enclosing the nuclear fuel charge and closed off at both ends by end caps. Y02E30/00- Energy generation of nuclear origin.Y02E- REDUCTION OF GREENHOUSE GAS EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION.Y02- TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE.Y- GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS AND DIGESTS.G21C3/041- Means for removal of gases from fuel elements. G21C3/00- Reactor fuel elements and their assemblies Selection of substances for use as reactor fuel elements.G21- NUCLEAR PHYSICS NUCLEAR ENGINEERING.238000006467 substitution reaction Methods 0.000 description 2.229910000679 solder Inorganic materials 0.000 description 2.238000004519 manufacturing process Methods 0.000 description 4.230000014759 maintenance of location Effects 0.000 description 4.238000006011 modification reaction Methods 0.000 description 6.239000011148 porous material Substances 0.000 description 8.
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