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  • [发明专利]DE19853532689 _ GENERAL ELECTRIC CO., SCHENECTADY, N.Y., US 1985年09月13日
  • [发明专利]DE19853561048 _ SOCIETE COGEMA, FRAMATOME ET URANIUM PECHINEY 1985年03月13日
    The apparatus is for welding grids, particularly for a nuclear fuel assembly, constituted by two sets of strips at right angles and whose terminal portions are made fast to a belt. It comprises, in an enclosure with a controlled atmosphere provided wi...
  • [发明专利]DE19853522577 _ KRAFTWERK UNION AG 1985年06月24日
    In a hydraulic control rod drive for a nuclear reactor, the hydraulic flow proceeding upwards from below is blocked by a valve (17) for the purpose of moving the control rod (14) downwards. A gap (25) provided between the piston (9) and the cylinder (...
  • [发明专利]DE19853570793 _ WESTINGHOUSE ELECTRIC CORPORATION 1985年07月05日
    The invention relates to a control rod for use in a nuclear reactor in which it is movable within a guide thimble against which an end plug on the control rod is capable of vibrating. …<??>In order to minimize wear due to vibratory impacts on the guid...
  • [发明专利]DE19853564507 _ WESTINGHOUSE ELECTRIC CORPORATION 1985年03月09日
    The invention relates to a spider assembly for supporting movable control rods in a nuclear reactor. More particularly, the invention concerns an improved spider assembly for simultaneously supporting control rods associated with a given fuel assembly...
  • [发明专利]DE19853500730 _ ACHER,HEINZ,DIPL.-ING. 1985年01月11日
    The invention relates to a further development of the invention according to DE 3342838 A1. The figures included therein for identical parts have been adopted. The invention relates to the figures of the main application. The free bearing of the hollo...
  • [发明专利]DE19853581693 _ WESTINGHOUSE ELECTRIC CORP., PITTSBURGH, PA., US 1985年10月29日
    The invention relates to a nuclear reactor including means for reducing the exposure of pressure vessel welds to fast neutron flux. …<??>Localized peripheral core regions opposite the welds are provided with rod assemblies made up of neutron absorbing...
  • [发明专利]DE19853571286 _ WESTINGHOUSE ELECTRIC CORPORATION 1985年01月22日
    The invention relates to a nuclear-reactor fuel assembly having at least one thimble tube with a thimble plug disposed therein. The thimble plug (12) is hollow, including a tubular cladding (30), and it contains nuclear fuel (34), such as natural, dep...
  • [发明专利]DE19853570002 _ WESTINGHOUSE ELECTRIC CORPORATION 1985年02月15日
    The invention relates to a nuclear fuel rod assembly having a cladding tube with an end plug which is provided with gas-passage-defining means enabling the tube to be pressurized. …<??>The end plug (42) has a body portion (60) shaped and sized so as t...
  • [发明专利]DE19853565334 _ FRAMATOME 1985年12月27日
    Device and method for retaining a linearly movable element in a nuclear reactor. The device comprises, for each shaft, a base fixed to the top part of the reactor internals and coaxial with a shaft guide tube; several grippers or catches spaced apart ...
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