Apparatus for sealing a rotatable shield plug in a liquid metal

Details Apparatus for sealing a rotatable shield plug in a liquid metal Apparatus for sealing a rotatable shield plug in a liquid metal

1978-03-10

1980-12-02

Nelson, Peter A.

176 50, G21C 1306

Patent

active

042369711

ABSTRACT:
An apparatus for sealing a rotatable shield plug in a nuclear reactor having liquid metal coolant. The apparatus includes a dip-ring seal adapted to provide a fluid barrier between the liquid metal and the atmosphere and to permit rotation of the shield plug. The apparatus also includes a static seal for the rotatable shield plug located between the dip-ring seal and the liquid metal. The static seal isolates the dip-ring seal from the liquid metal vapor during operation at power and can be disengaged for rotation of the shield plug.

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patent: 4026763 (1977-05-01), Poindexter
patent: 4113564 (1978-09-01), Garin et al.
patent: 4115193 (1978-09-01), Sepelak

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