A dual control member serves to control and shutdown a pressurized-water nuclear reactor and has a control element that includes a plurality of finger control rods secured to a central drive rod through a spider-shaped holder and a shutdown member hel...
The upper structure of a nuclear reactor consisting of the control rod mechanisms, the pressure vessel closure head, the upper internals package, and other associated structure are connected to form an integral unit which may be removed from the react...
SIEMENS AG BERLIN,DT
When machining, filling and cleansing casing tubes in the production of reactor fuel rods, the latter are disposed in a closed container and held therein in support tubes. Individual processing equipment is located at one face of the container while, ...
COMBUSTION ENG INC,US
Means for laterally supporting a nuclear steam generator against the effect of seismic loadings or other shock loadings imparted by external or internal causes are disclosed. Support is provided by means of a stiffening structure incorporating a shock...
SCHANZLIN KLEIN & BECKER AG.
A pump circulating a radioactive liquid in a reactor container has a housing including a support tube projecting into the reactor container. A shaft is mounted in the support tube, and has a pump wheel located in the container. The shaft can be lowere...
The invention concerns a radiation absorbing device adapted to be used as a compensating filter device in radiographic apparatuses for reducing the variations in average exposure in different portions of the radiograph, whereby a substantially uniform...
ATOMIC ENERGY COMMISSION USA