Mechanism for anti-seismic connection between the pump base and

Details Mechanism for anti-seismic connection between the pump base and Mechanism for anti-seismic connection between the pump base and

1986-11-06

1988-07-05

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Expansion means

376402, G21C 900

Patent

active

047553499

ABSTRACT:
A mechanism for anti-seismic connection between the pump base and the dome of a nuclear power station is characterized by the fact that the pump base (1) is equipped externally with a flange (3) seated with a slight axial play and significant radial play within a socket (4) which is a fixed cover closed by and able to slide axially with a slight play within a cylindrical reinforcement (7a) of the dome (7). A radial damping mechanism (8) is installed between the flange (3) and the socket (4) to permit slow displacements between these two entities, but to block abrupt displacements. The lower end of the socket (4) comprises a collar (15) equipped with a metallic journal (16) which can slide axially within a bearing (17) firm with the internal wall of the dome (7).

REFERENCES:
patent: 4258937 (1981-03-01), Barneoud et al.
patent: 4505872 (1985-03-01), Delloye
patent: 4583584 (1986-04-01), Wepfer
patent: 4596689 (1986-06-01), Gorholt et al.
patent: 4634569 (1987-01-01), Delloye et al.

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