JPS6341012B2 - - Google Patents
Info
- Publication number
- JPS6341012B2 JPS6341012B2 JP53026197A JP2619778A JPS6341012B2 JP S6341012 B2 JPS6341012 B2 JP S6341012B2 JP 53026197 A JP53026197 A JP 53026197A JP 2619778 A JP2619778 A JP 2619778A JP S6341012 B2 JPS6341012 B2 JP S6341012B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- gear
- envelope
- noise
- detector
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 27
- 238000012935 Averaging Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000001788 irregular Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2619778A JPS54118882A (en) | 1978-03-07 | 1978-03-07 | Device for detecting state of machine etc* |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2619778A JPS54118882A (en) | 1978-03-07 | 1978-03-07 | Device for detecting state of machine etc* |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54118882A JPS54118882A (en) | 1979-09-14 |
| JPS6341012B2 true JPS6341012B2 (de) | 1988-08-15 |
Family
ID=12186752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2619778A Granted JPS54118882A (en) | 1978-03-07 | 1978-03-07 | Device for detecting state of machine etc* |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54118882A (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58169003A (ja) * | 1982-03-31 | 1983-10-05 | Ono Sokki Co Ltd | 打痕の検査方法 |
| JPS58186028A (ja) * | 1982-04-23 | 1983-10-29 | Ono Sokki Co Ltd | 打痕付の歯の判別方法 |
| JPS5945550U (ja) * | 1982-09-17 | 1984-03-26 | 株式会社小野測器 | 傷付歯車の判別装置 |
| JPS5962520U (ja) * | 1982-10-19 | 1984-04-24 | 株式会社小野測器 | 傷付歯車の判別装置 |
| JPS59195528U (ja) * | 1983-06-14 | 1984-12-26 | 富士電気化学株式会社 | 回転機器の異常回転音警報装置 |
| JPH0447632Y2 (de) * | 1987-11-30 | 1992-11-10 | ||
| JP4498026B2 (ja) * | 2004-06-21 | 2010-07-07 | 富士重工業株式会社 | エンジンのバルブ開閉タイミング評価方法及びバルブ開閉タイミング評価装置 |
| JP4503369B2 (ja) * | 2004-06-30 | 2010-07-14 | 富士重工業株式会社 | エンジンのバルブ開閉タイミング評価方法及びバルブ開閉タイミング評価装置 |
| JP2007248184A (ja) * | 2006-03-15 | 2007-09-27 | Omron Corp | 衝撃音検出方法および衝撃音検出装置 |
| KR101981366B1 (ko) * | 2012-06-26 | 2019-08-28 | 아틀라스 콥코 인더스트리얼 테크니크 에이비 | 토크 전달 장치 내부에 배열된 연결 기어들의 기어 상태를 결정하기 위한 장치 및 방법 |
| JP5973622B2 (ja) * | 2015-06-03 | 2016-08-23 | Ntn株式会社 | 転がり軸受の異常診断装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49129584A (de) * | 1973-04-12 | 1974-12-11 |
-
1978
- 1978-03-07 JP JP2619778A patent/JPS54118882A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49129584A (de) * | 1973-04-12 | 1974-12-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54118882A (en) | 1979-09-14 |
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