Drive for an absorber rod of a nuclear reactor

Details Drive for an absorber rod of a nuclear reactor Drive for an absorber rod of a nuclear reactor

1980-06-16

1982-09-14

Cangialosi, Sal

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

376225, 376243, G21C 716

Patent

active

043495079

ABSTRACT:
The drive for an absorber rod for a nuclear reactor has a drive piston guided in a cylinder combined with the absorber rod forming an absorber unit. In order to compensate the forces exerted by the medium of the pressure vessel on the absorber unit and tending to pressure the absorber rod axially outward, an equalizing surface is arranged in the absorber unit. The equalizing surface is exposed on one side to the medium of the pressure vessel and/or the cooling medium of the absorber rod, so that an equalizing force is acting on the absorber unit. In the event of a failure of the drive medium acting on the drive piston of the absorber unit or during fluctuations and changes of the internal pressure in the pressure vessel, the absorber unit remains in its existing position, i.e. no unintentional withdrawal of the absorber rod from the pressure vessel takes place.

REFERENCES:
patent: 3324006 (1967-06-01), Challender et al.
patent: 3627632 (1971-12-01), Acher et al.
patent: 3728219 (1973-04-01), Mattern et al.
patent: 3775247 (1973-12-01), Ode et al.
patent: 3957577 (1976-05-01), Treshow
patent: 3979258 (1976-09-01), Schweiger et al.
patent: 4090917 (1978-05-01), Jabsen
patent: 4158602 (1979-06-01), Minnick
patent: 4164443 (1979-08-01), Gibbons et al.
patent: 4187145 (1980-02-01), Noyes et al.

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