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JPS5267492A - Abnormal sound detecting device - Google Patents

Abnormal sound detecting device

Info

Publication number
JPS5267492A
JPS5267492A JP50142996A JP14299675A JPS5267492A JP S5267492 A JPS5267492 A JP S5267492A JP 50142996 A JP50142996 A JP 50142996A JP 14299675 A JP14299675 A JP 14299675A JP S5267492 A JPS5267492 A JP S5267492A
Authority
JP
Japan
Prior art keywords
abnormal sound
detecting device
sound detecting
detecting
generating position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50142996A
Other languages
Japanese (ja)
Inventor
Yoshihiro Michiguchi
Kazumichi Suzuki
Fuminobu Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50142996A priority Critical patent/JPS5267492A/en
Publication of JPS5267492A publication Critical patent/JPS5267492A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

PURPOSE:To orientate a generating position of abnormal sound from the detecting time difference by means of detecting a detecting time of abnormal sound from frequency variation of signal in a device, wherein a generating position of abnormal sound is orientated by plural number of detectors.
JP50142996A 1975-12-03 1975-12-03 Abnormal sound detecting device Pending JPS5267492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50142996A JPS5267492A (en) 1975-12-03 1975-12-03 Abnormal sound detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50142996A JPS5267492A (en) 1975-12-03 1975-12-03 Abnormal sound detecting device

Publications (1)

Publication Number Publication Date
JPS5267492A true JPS5267492A (en) 1977-06-03

Family

ID=15328504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50142996A Pending JPS5267492A (en) 1975-12-03 1975-12-03 Abnormal sound detecting device

Country Status (1)

Country Link
JP (1) JPS5267492A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666655A (en) * 1983-08-19 1987-05-19 Electricite De France Process and installation for detecting stray bodies in a nuclear reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666655A (en) * 1983-08-19 1987-05-19 Electricite De France Process and installation for detecting stray bodies in a nuclear reactor

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