JPS5257498A - Abnormal state detection device - Google Patents

Abnormal state detection device

Info

Publication number
JPS5257498A
JPS5257498A JP50133059A JP13305975A JPS5257498A JP S5257498 A JPS5257498 A JP S5257498A JP 50133059 A JP50133059 A JP 50133059A JP 13305975 A JP13305975 A JP 13305975A JP S5257498 A JPS5257498 A JP S5257498A
Authority
JP
Japan
Prior art keywords
abnormal state
detection device
state detection
dimentionally
machine
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
JP50133059A
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 JP50133059A priority Critical patent/JPS5257498A/en
Publication of JPS5257498A publication Critical patent/JPS5257498A/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

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

PURPOSE: To detect abnormal state of machine at early period with high reliability by means of three-dimentionally sample surveying a generating location of abnormal sound easily by using wave guide.
COPYRIGHT: (C)1977,JPO&Japio
JP50133059A 1975-11-07 1975-11-07 Abnormal state detection device Pending JPS5257498A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50133059A JPS5257498A (en) 1975-11-07 1975-11-07 Abnormal state detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50133059A JPS5257498A (en) 1975-11-07 1975-11-07 Abnormal state detection device

Publications (1)

Publication Number Publication Date
JPS5257498A true JPS5257498A (en) 1977-05-11

Family

ID=15095853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50133059A Pending JPS5257498A (en) 1975-11-07 1975-11-07 Abnormal state detection device

Country Status (1)

Country Link
JP (1) JPS5257498A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105300863A (en) * 2015-11-20 2016-02-03 北京至感传感器技术研究院有限公司 Detection device and detection method for ferromagnetic abrasive grains in liquid oil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105300863A (en) * 2015-11-20 2016-02-03 北京至感传感器技术研究院有限公司 Detection device and detection method for ferromagnetic abrasive grains in liquid oil

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