JPH0565016B2 - - Google Patents

Info

Publication number
JPH0565016B2
JPH0565016B2 JP61073073A JP7307386A JPH0565016B2 JP H0565016 B2 JPH0565016 B2 JP H0565016B2 JP 61073073 A JP61073073 A JP 61073073A JP 7307386 A JP7307386 A JP 7307386A JP H0565016 B2 JPH0565016 B2 JP H0565016B2
Authority
JP
Japan
Prior art keywords
mechanical seal
vibration sensor
sliding surface
frequency vibration
sliding
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.)
Expired - Lifetime
Application number
JP61073073A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62229043A (ja
Inventor
Tadashi Kataoka
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.)
Ebara Corp
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Priority to JP61073073A priority Critical patent/JPS62229043A/ja
Publication of JPS62229043A publication Critical patent/JPS62229043A/ja
Publication of JPH0565016B2 publication Critical patent/JPH0565016B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Examining Or Testing Airtightness (AREA)
JP61073073A 1986-03-31 1986-03-31 メカニカルシ−ル摺動状態監視装置 Granted JPS62229043A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61073073A JPS62229043A (ja) 1986-03-31 1986-03-31 メカニカルシ−ル摺動状態監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61073073A JPS62229043A (ja) 1986-03-31 1986-03-31 メカニカルシ−ル摺動状態監視装置

Publications (2)

Publication Number Publication Date
JPS62229043A JPS62229043A (ja) 1987-10-07
JPH0565016B2 true JPH0565016B2 (enrdf_load_stackoverflow) 1993-09-16

Family

ID=13507785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61073073A Granted JPS62229043A (ja) 1986-03-31 1986-03-31 メカニカルシ−ル摺動状態監視装置

Country Status (1)

Country Link
JP (1) JPS62229043A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003106926A (ja) * 2001-09-27 2003-04-09 Hitachi Ltd 気体漏れ検査方法及びその装置
CN106950043B (zh) * 2017-02-22 2019-03-26 华南理工大学 一种气门油封及漏油量检测装置及检测方法
JP6792746B2 (ja) * 2017-06-05 2020-12-02 瀏陽 宋 周波数領域のセグメント特徴解析による状態識別法
CN108051144B (zh) * 2017-11-17 2019-09-17 安徽农业大学 一种智能模拟水田环境的油封密封性能测试试验台
CN108956043B (zh) * 2018-07-03 2020-05-22 清华大学 一种机械密封多尺度实时监测分析方法

Also Published As

Publication number Publication date
JPS62229043A (ja) 1987-10-07

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