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4483790 Method of disposing of shut-down nuclear power plants
Ann. nucl. Energy, Vol. 12, No. 9, pp. V-IX, 1985 Pergamon Press Ltd. Printed in Great Britain
NEW PATENTS This Section contains abstracts and, where appropriate, illustrations of recently issued United States patents and published patent applications filed from over 30 countries under the Patent Cooperation Treaty. This information was obtained from recent additions to the Pergamon PATSEARCH'"' online database in accordance with interest profiles developed by the Editors. Further information about Pergamon PATSEARCH" can be obtained from Pergamon InfoLine Inc., 1340 Old Chain Bridge Road, McLean, Virginia 22101 U.S.A. Copies of complete patents announced in this Section are available from Pergamon InfoLine Inc. for $8 per copy. Payment with order is required. Orders outside North America add $2 for air postage. Order by patent number for Pergamon InfoLine only.
4483790 METHOD OF DISPOSING OF SHUT-DOWN NUCLEAR POWER PLANTS Herbert Gaiser, Munich, Federal Republic Of Germany assigned to Alfred Kunz & Co NUCLEAR ~EACTOR
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suspension rod and of the control rod. The apparatus comprises devices for measuring the speed of movement of the control rod, for logging variations in speed higher than a given value, and for counting such variations according to their sign. The invention is particularly useful in pressurized water nuclear reactors. 4486383
A shut-down atomic power plant or a section thereof, particularly the nuclear reactor, is disposed of by sinking it to below ground level by constructing a caisson with cutting edges from the foundations of said plant or section or by excavating a pit therebelow.
4486382 METHOD AND APPARATUS FOR MONITORING THE CONTROL RODS OF A NUCLEAR REACTOR
METHOD AND APPARATUS FOR COOLING THE PRIMARY CIRCUIT OF A PRESSURIZED WATER NUCLEAR REACTOR Mariana Esayan, Gerard Celerier, Nicolas M Bonhomme, Courbevoie, France assigned to Framatome
, It,
Alain Gravelle, Jean Marini, Dominique Romy, Le Plessis Robinson, France assigned to Framatome Method and apparatus for monitoring the movement of the control rods of a nuclear reactor. The number of steps of movement in either direction of the rod from which the control rod is suspended is counted. According to the height of the step, an indication of the position of the
A method of cooling the primary circuit of a pressurized water nuclear reactor in which, after a first stage, during which water is injected into the
NEW PATENTS This Section contains abstracts and, where appropriate, illustrations of recently issued United States patents and published patent applications filed from over 30 countries under the Patent Cooperation Treaty. This information was obtained from recent additions to the Pergamon PATSEARCH'"' online database in accordance with interest profiles developed by the Editors. Further information about Pergamon PATSEARCH" can be obtained from Pergamon InfoLine Inc., 1340 Old Chain Bridge Road, McLean, Virginia 22101 U.S.A. Copies of complete patents announced in this Section are available from Pergamon InfoLine Inc. for $8 per copy. Payment with order is required. Orders outside North America add $2 for air postage. Order by patent number for Pergamon InfoLine only.
4483790 METHOD OF DISPOSING OF SHUT-DOWN NUCLEAR POWER PLANTS Herbert Gaiser, Munich, Federal Republic Of Germany assigned to Alfred Kunz & Co NUCLEAR ~EACTOR
*o~
3.o ea~mER RE~C]Oe BUlL OIN~
L 18
ZNo 8 A R " I { R .EAC~OR ~ESS[L W i t h PRIMAIIy COOLtNG CIACUI]
~ IS
a
iN
v
r J
iz
.14
suspension rod and of the control rod. The apparatus comprises devices for measuring the speed of movement of the control rod, for logging variations in speed higher than a given value, and for counting such variations according to their sign. The invention is particularly useful in pressurized water nuclear reactors. 4486383
A shut-down atomic power plant or a section thereof, particularly the nuclear reactor, is disposed of by sinking it to below ground level by constructing a caisson with cutting edges from the foundations of said plant or section or by excavating a pit therebelow.
4486382 METHOD AND APPARATUS FOR MONITORING THE CONTROL RODS OF A NUCLEAR REACTOR
METHOD AND APPARATUS FOR COOLING THE PRIMARY CIRCUIT OF A PRESSURIZED WATER NUCLEAR REACTOR Mariana Esayan, Gerard Celerier, Nicolas M Bonhomme, Courbevoie, France assigned to Framatome
, It,
Alain Gravelle, Jean Marini, Dominique Romy, Le Plessis Robinson, France assigned to Framatome Method and apparatus for monitoring the movement of the control rods of a nuclear reactor. The number of steps of movement in either direction of the rod from which the control rod is suspended is counted. According to the height of the step, an indication of the position of the
A method of cooling the primary circuit of a pressurized water nuclear reactor in which, after a first stage, during which water is injected into the