Resources Contact Us Home
Nuclear reactor with suspended fuel assemblies having secondary emergency suspensions

Image Number 5 for United States Patent #4038133.

A reactor has a core formed by a plurality of laterally adjacent fuel assemblies, each assembly comprising a vertically elongated casing containing a bundle of fuel rods and having an upper end connected to a tubular suspension rod forming the primary suspension means for the casing, failure of this means permitting the fuel assembly to drop from the core. In each instance, an instrumentation tube having an upper end supported independently of the primary suspension rod, extends downwardly through the latter, and centrally through the casing to the lower end of the latter. This instrumentation tube and the fuel assemblies adjacent to each other remain suspended so as to form vertically fixed parts relative to any one assembly that might drop accidentally. Each of the casings have latch means for normally latching the casing to one of these fixed parts so as to each casing it cannot fall substantially relative to that one of the parts in the event of a failure of its tubular suspension rod normally forming its primary suspension.

  Recently Added Patents
Control device with adjusting pulse width modulation function and the backlight module thereof
Multilayered ceramic electronic component and fabrication method thereof
Network based JIT on a priori knowledge of a set of disparate clients
Hypallergenic mosaic antigens and methods of making same
ESD protection device and method for producing the same
Utility knife
Optical writer and image forming apparatus including same
  Randomly Featured Patents
Cactaceae plant
Ductile iron gear and casting process for the production thereof
Quantum tunnelling sensor device and method
Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides
Method of depositing a liquid
Water distribution apparatus for multiple sewer drain trap primer systems
Traditional Chinese medicine composition to treat rheumatoid arthritis and preparation method thereof
Automated image enhancement for laser line scan data
Process and plant for the manufacture of solid castings from an essentially liquid reactive medium, and oven for heating an essentially liquid medium.
Duty correction circuit and a method of correcting a duty