Hydraulic drive mechanism

Details Hydraulic drive mechanism Hydraulic drive mechanism

G - Physics

21

C

359/33, 268/7

G21C 7/16 (2006.01) G21C 7/12 (2006.01) G21C 19/12 (2006.01)

Patent

CA 1180134

14 49,097 ABSTRACT OF THE DISCLOSURE The hydraulic drive mechanism comprises an hydraulically actuated rod drive mechanism that cooperates with a pivotable latching mechanism. The pressurized reactor coolant is utilized to raise the drive rod into contact with and to pivot the latching mechanism so as to allow the drive rod to pass the latching mechanism. The pressure in the housing is then equalized which allows the drive rod to move downwardly into contact with the latch ing mechanism but remain in a raised position with respect to the reactor core. Once again, the reactor coolant pressure may be utilized to raise the drive rod and thus pivot the latching mechanism so that the drive rod passes above the latching mechanism. Again, the mechanism pres- sure can be equalized which allows the drive rod to fall and pass by the latching mechanism so that the drive rod approaches the reactor core.

389969

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