Title (en)

ACOUSTIC SENSOR FOR MEASURING A LINEAR MOVEMENT OF AN INTERNAL STRUCTURE OF A NUCLEAR REACTOR

Title (de)

AKUSTISCHER SENSOR ZUR MESSUNG EINER LINEAREN BEWEGUNG DER INNEREN STRUKTUR EINES KERNREAKTORS

Title (fr)

CAPTEUR ACOUSTIQUE POUR LA MESURE D'UN DEPLACEMENT LINEAIRE D'UNE STRUCTURE INTERNE D'UN RÉACTEUR NUCLÉAIRE

Publication

EP 2788713 A1 20141015 (FR)

Application

EP 12795444 A 20121205

Priority

• FR 1161190 A 20111206
• EP 2012074440 W 20121205

Abstract (en)

[origin: WO2013083603A1] The present invention relates to an acoustic sensor (10) for measuring the linear movement of an internal structure (20) of a nuclear reactor using sound waves, comprising: an electro-acoustic transducer (14) capable of emitting said sound waves; and a waveguide (5) capable of guiding said sound waves emitted by said transducer (14) toward a measurement area of the internal structure (20), wherein said acoustic sensor (10) is characterized in that said waveguide (5) is capable of guiding the reflected wave and said waveguide (5) is secured to said measurement area (20) and arranged so as to be capable of extending or retracting in accordance with the movement of said internal structure (20) of the nuclear reactor.

IPC 8 full level

G01B 17/00 (2006.01)

CPC (source: EP US)

G01B 17/00 (2013.01 - EP US); G01P 13/00 (2013.01 - US)

Citation (search report)

See references of WO 2013083603A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

FR 2983573 A1 20130607; FR 2983573 B1 20140103; CN 104067088 A 20140924; EP 2788713 A1 20141015; JP 2015504154 A 20150205; RU 2014127186 A 20160210; US 2014318256 A1 20141030; WO 2013083603 A1 20130613

DOCDB simple family (application)

FR 1161190 A 20111206; CN 201280067954 A 20121205; EP 12795444 A 20121205; EP 2012074440 W 20121205; JP 2014545228 A 20121205; RU 2014127186 A 20121205; US 201214362835 A 20121205