US PATENT SUBCLASS 376 / 219
.~ By movement of control element or by release of neutron absorbing material

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


376 /   HD   INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS

207  DF  WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) {12}
219.~ By movement of control element or by release of neutron absorbing material {13}
220  DF  .~.~> Wherein the control element is a reflector or moderator material {1}
223  DF  .~.~> Rotatable control elements
224  DF  .~.~> Finger-type control elements (insertable into fuel element positions) {1}
226  DF  .~.~> Wherein control element is driven directly into bed of fuel elements
227  DF  .~.~> Control element movable by means of cable and winch, chains or reels
228  DF  .~.~> Wherein driver or motivating is electric {1}
230  DF  .~.~> Wherein driver or motivating is fluid {1}
232  DF  .~.~> By motion transforming means, e.g., rack and pinion
233  DF  .~.~> Releasable coupling
234  DF  .~.~> Including shock absorber
235  DF  .~.~> Means for locking control element in desired position
236  DF  .~.~> Including control rod insertion and removal schemes {2}
239  DF  .~.~> Rod or support carrying plural elements or diverse materials

DEFINITION

Classification: 376/219

By movement of control element or by release of neutron absorbing material:

(under subclass 207) Subject matter wherein control is realized by the insertion or withdrawal of a reactivity affecting material from the area occupied by fissioning reactor fuel.

(1) Note. For the Structure of the subcombination of the control component, per se, see this class (376), subclass 327.