Electromagnet for nuclear reactor shutdown system

Details Electromagnet for nuclear reactor shutdown system Electromagnet for nuclear reactor shutdown system

1991-08-05

1992-05-19

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

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

376336, 403 32, 403DIG1, 335146, 335217, G21C 902

Patent

active

051146630

ABSTRACT:
An electromagnet for a nuclear reactor shutdown system, which comprises upper and lower cores disposed in an axially symmetrical arrangement and capable of latching with and delatching from each other. When an ambient temperature increases, the upper and lower iron cores are delatched from each other and a control rod connected to the lower iron core falls down into a reactor core. The lower iron core is provided with a plurality of slits to form a plurality of fins therebetween. A temperature sensitive magnetic material (TSMM) is disposed in the outer circumferential lower corner portion of the lower iron core. An interface between the TSMM and an iron core material takes the form of a side surface of a cone whose central axis is coincident with the symmetry axis and whose apex angle lies in the range of 60.degree. to 120.degree..

REFERENCES:
patent: 3976540 (1976-08-01), Sowa
patent: 4233115 (1980-11-01), Jacquelin
patent: 4304632 (1981-12-01), Bhate et al.
patent: 4405558 (1983-09-01), Mangus et al.

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