JPWO2024252875A1 - - Google Patents

Info

Publication number
JPWO2024252875A1
JPWO2024252875A1 JP2025526024A JP2025526024A JPWO2024252875A1 JP WO2024252875 A1 JPWO2024252875 A1 JP WO2024252875A1 JP 2025526024 A JP2025526024 A JP 2025526024A JP 2025526024 A JP2025526024 A JP 2025526024A JP WO2024252875 A1 JPWO2024252875 A1 JP WO2024252875A1
Authority
JP
Japan
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
JP2025526024A
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 filed Critical
Publication of JPWO2024252875A1 publication Critical patent/JPWO2024252875A1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
    • G01H1/14—Frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP2025526024A 2023-06-05 2024-05-15 Pending JPWO2024252875A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023092601 2023-06-05
PCT/JP2024/017986 WO2024252875A1 (ja) 2023-06-05 2024-05-15 診断センサおよびこれを用いた状態判定システム

Publications (1)

Publication Number Publication Date
JPWO2024252875A1 true JPWO2024252875A1 (ja) 2024-12-12

Family

ID=93795390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025526024A Pending JPWO2024252875A1 (ja) 2023-06-05 2024-05-15

Country Status (5)

Country Link
US (1) US20260085967A1 (ja)
EP (1) EP4722668A1 (ja)
JP (1) JPWO2024252875A1 (ja)
CN (1) CN121263664A (ja)
WO (1) WO2024252875A1 (ja)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03269221A (ja) * 1990-03-19 1991-11-29 Hitachi Ltd 回転機器の異常音診断装置
JP3046426B2 (ja) * 1991-11-19 2000-05-29 株式会社東芝 プラント機器の監視装置
JPH06241882A (ja) * 1993-02-18 1994-09-02 Nippon Telegr & Teleph Corp <Ntt> 音検知器
JP3222297B2 (ja) * 1993-12-21 2001-10-22 東京瓦斯株式会社 超音波センサユニット
JP2000193519A (ja) 1998-12-25 2000-07-14 Fuji Ceramics:Kk 振動・アコ―スティックエミッション複合センサ
WO2020162426A1 (ja) * 2019-02-05 2020-08-13 日本電気株式会社 解析装置、解析方法、およびプログラム、ならびに、センサの構造

Also Published As

Publication number Publication date
US20260085967A1 (en) 2026-03-26
WO2024252875A1 (ja) 2024-12-12
EP4722668A1 (en) 2026-04-08
CN121263664A (zh) 2026-01-02

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Legal Events

Date Code Title Description
A621 Written request for application examination

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Effective date: 20250930