Equipment for automatic control of atomic reactor

Claim 1

IN A CONTROL DEVICE FOR AN ATOMIC REACTOR EMITTING A FIELD OF REDIATION AND HAVING A PLURALITY OF CONTROL ROD MEANS FOR CONTROLLING THE INTENSITY OF SAID FIELD, IN COMBINATION, A PLURAITY OF FIRST DRIVE MEANS FOR RESPECTIVELY ACTUATING MOVEMENT OF CORRESPONDING ONES OF SAID CONTROL ROD MEANS; FIRST PROGRAMMING MEANS FOR CONTROLLING ACTUATION OF ONE OF SAID CONTROL ROD MEANS BY THE CORRESPONDING FIRST DRIVE MEANS ACCORDING TO A PREDETERMINED PROGRAM; DETECTING MEANS IN SAID FIELD FOR EMITTING AN OUTPUT SIGNAL RESPONSIVE TO THE INTENSITH OF RADIATION OF SAID REACTOR TO WHICH SAID DETECTING MEANS IS SUBJECTED; A SOURCE OF A REFERENCE SIGNAL; REFERENCE CIRCUIT MEANS FOR COMPARING SAID SIGNALS, AND FOR GENERATING AN ERROR SIGNAL RESPONSIVE TO THE COMPARED SIGNALS; SECOND DRIVE MEANS FOR ACTUATING MOVEMENT OF SAID DETECTING MEANS RELATIVE TO SAID FIELD; FIRST CIRCUIT MEANS INTERPOSED BETWEEN SAID REFERENCE CIRCUIT MEANS AND SAID SECOND DRIVE MEANS AND INCLUDING FIRST SWITCH MEANS SELECTIVELY OPERABLE TO CONNECT SAID REFERENCE CIRCUIT MEANS TO SAID SECONE DRIVE MEANS FOR MOVEMENT OF SAID DETECTING MEANS RELATIVE TO SAID FIELD RESPONSIVE TO SAID ERROR SIGNAL IN A DIRECTION FOR REDUCING THE MAGNITUDE OF SAID ERROR SIGNAL; SECOND CIRCUIT MEANS INTERPOSED BETWEEN SAD REFERENCE CIRCUIT MEANS AND ANOTHER ONE OF SAID FIRST DRIVE MEANS AND INCLUDING SECOND SWITCH MEANS SELECTIVELY OPERABLE TO CONNECT SAID REFERENCE CIRCUIT MEANS TO SAID OTHER FIRST DRIVE MEANS FOR MOVEMENT OF A CORRESPONDING OTHER CONTROL ROD MEANS RESPONSIVE TO SAID ERROR SIGNAL IN A DIRECTION FOR REDUCING THE MAGNITUDE OF SAID ERROR SIGNAL; SECOND PROGRAMMING MEANS; AND THIRD CIRCUIT MEANS INTERPOSED BETWEEN SAID SECOND PROGRAMMING MEANS AND SAID SECOND DIRVE MEANS AND INCLUDING THIRD SWITCH MEANS SELECTIVELY OPERABLE TO CONNECT SAID SECOND PROGRAMMING MEANS TO SAID SECOND DRIVE MEANS FOR MOVEMENT OF SAID DETECTING MEANS RELATIVE TO SAID FIELD ACCORDING TO A PROGRAM OF SAID SECOND PROGRAMMING MEANS.