Linear motion device and method for inserting and withdrawing co

Details Linear motion device and method for inserting and withdrawing co Linear motion device and method for inserting and withdrawing co

1982-12-08

1984-11-20

Miller, J. D.

Electrical generator or motor structure

Dynamoelectric

Linear

744248A, 310 83, 376228, 376232, G21C 708

Patent

active

044840934

ABSTRACT:
A linear motion device, more specifically a control rod drive mechanism (CRDM) for inserting and withdrawing control rods into a reactor core, is capable of independently and sequentially positioning two sets of control rods with a single motor stator and rotor. The CRDM disclosed can control more than one control rod lead screw without incurring a substantial increase in the size of the mechanism.

REFERENCES:
patent: 2780740 (1955-03-01), Roman et al.
patent: 3583254 (1971-06-01), Winders
patent: 3599498 (1971-08-01), Misenti et al.
patent: 3762227 (1973-10-01), Bohnhoff
patent: 3822439 (1974-07-01), Wallin et al.
patent: 3825160 (1974-07-01), Lichtenberger et al.
patent: 3882333 (1975-05-01), DeWeese
patent: 3946258 (1976-03-01), Leshem
patent: 3959071 (1976-05-01), Bevilacqua
patent: 4044622 (1977-08-01), Matthews
patent: 4238288 (1980-12-01), Anikin et al.

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