Abstract: A concealable mount for connectors, such as input/output jacks or ports, is presented. The mount comprises a base with and opening for mounting to a support structure. A front panel that is movably connected to the base, is moveable between a first closed position in which the front panel extends along the front face of the base over the opening therein, and a second open position in which at least a portion of the front panel is positioned outwardly from the base. A support extends rearwardly from the front panel and is adapted to mount connectors associated with the panel. A piston arrangement is used to bias the front panel to its open position, and a latch mechanism selectively maintains the front panel in its closed position. In its closed position, the front panel conceals the connectors, and when in its open position, the front panel exposes the support and the connectors.

Abstract: The present invention comprises a mount for one or more connectors, such as input/output jacks or ports, and a method of utilizing a mount to selectively conceal or provide access to the connectors. In one embodiment, the mount comprises a base for mounting to a support structure, the base having an opening there through. A front panel is movably connected to the base and moveable between a first closed position in which the front panel extends along the front face of the base over the opening therein, and a second open position in which at least a portion of the front panel is positioned outwardly from the base. A support extends rearwardly from the front panel, the support adapted to mount one or more connectors, such as input/output jacks associated with a panel. In one embodiment, a piston is arranged to bias the front panel to its open position, and a latch mechanism is arranged to selectively maintain the front panel in its closed position.

Abstract: A container which is particularly useful for shipping fuel assemblies is provided herein. The portable container includes a first end, enclosed second end and a tubular wall which cooperates with the first end and the second to define a selectively sealed inner chamber for receiving the fuel assemblies containing the radioactive material. The tubular wall includes a tubular, substantially sealed liquid section which substantially encircles the inner chamber. A divider separates the liquid section into a main reservoir and an auxiliary reservoir which are substantially side by side. A transfer passage is provided through the divider near a lower portion of the liquid section. The transfer passage connects the main reservoir in fluid communication with the auxiliary reservoir and allows for the transfer of liquid between the main reservoir and the auxiliary reservoir to maintain the main reservoir substantially full of liquid.

Abstract: A compact bayonet tube type heat exchanger which finds particular application as an auxiliary heat exchanger for transfer of heat from a reactor gas coolant to a secondary fluid medium. The heat exchanger is supported within a vertical cavity in a reactor vessel intersected by a reactor coolant passage at its upper end and having a reactor coolant return duct spaced below the inlet passage. The heat exchanger includes a plurality of relatively short length bayonet type heat exchange tube assemblies adapted to pass a secondary fluid medium therethrough and supported by primary and secondary tube sheets which are releasibly supported in a manner to facilitate removal and inspection of the bayonet tube assemblies from an access area below the heat exchanger.

Abstract: A nuclear reactor system is described wherein a prestressed concrete reactor vessel is provided with a main cavity for the reactor core and at least one subsidiary cavity for a steam generator. At least two feedwater penetrations are provided in the reactor vessel communicating between the exterior of the reactor vessel and the subsidiary cylindrical cavity. A superheater penetration is provided aligned with the axis of the cavity with the feedwater penetrations and the superheater penetration having mutually parallel axes. Superheater outlet means are positioned in the superheater penetration and include a tubesheet positioned a substantial distance from both the subsidiary cylindrical cavity and the exterior of the reactor vessel.

Abstract: An annular heat exchanger assembly is described which is particularly suited for structurally self supporting installation in a vapor generator associated with a nuclear reactor. The assembly includes parallel inlet and outlet header conduits interconnected by a multiplicity of helical tubes, adjacent portions of these tubes being tied together to increase structural integrity of the annular tube bundle formed by the helical tubes. Various baffles are employed as necessary to promote uniform flow of a heating fluid over the tubes in the tube bundle, preferably in a radial direction of flow.

Abstract: A support assembly in a heat exchanger for securing tubes of a tube bundle in parallel, spaced-apart relation includes a plurality of concentrically arranged tube support rings for respectively securing circumferential groups of tubes in the tube bundle, each tube support ring being formed with inner and outer cylindrical support elements rigidly interconnected by a number of circumferentially spaced apart radial bars.