초록 ▼

A device intended for limiting leaks at the feet of the combustible elements of nuclear reactors constituted by a labyrinth seal placed in the space between the foot of the combustible element and its recess in a supporting plate, one point of the said space communicating by orifices with a reduced

A device intended for limiting leaks at the feet of the combustible elements of nuclear reactors constituted by a labyrinth seal placed in the space between the foot of the combustible element and its recess in a supporting plate, one point of the said space communicating by orifices with a reduced pressure zone of the heat-bearing fluid with said zone being formed by a narrowing in the cross-section of the element.

대표청구항 ▼

A sealing arrangement for tubular elements in a nuclear reactor comprising: fluid introducing support means for supporting an end portion of a tubular element and providing introduction of fluid into said tubular element, sealing means for preventing leakage of said fluid from said fluid introducing

A sealing arrangement for tubular elements in a nuclear reactor comprising: fluid introducing support means for supporting an end portion of a tubular element and providing introduction of fluid into said tubular element, sealing means for preventing leakage of said fluid from said fluid introducing support means, said sealing means including a seal provided between said end portion of said tubular element and said fluid introducing support means, and at least one orifice means for communicating an interior portion of said tubular element with an exterior position of said tubular element which is supported by said fluid introducing support means, said interior portion having a reduced cross-section.