JPH0434414U - - Google Patents
Info
- Publication number
- JPH0434414U JPH0434414U JP7721190U JP7721190U JPH0434414U JP H0434414 U JPH0434414 U JP H0434414U JP 7721190 U JP7721190 U JP 7721190U JP 7721190 U JP7721190 U JP 7721190U JP H0434414 U JPH0434414 U JP H0434414U
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- deterioration
- magnetic flux
- magnet
- flux density
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 230000006866 deterioration Effects 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- General Details Of Gearings (AREA)
Description
第１図は本考案の一実施例に係る潤滑油劣化検
出装置の一部断面図、第２図は第１図の潤滑油劣
化検出装置の測定回路図、第３図は永久磁石の減
磁曲線を示す特性図である。
１……トランスミツシヨンケース（容器）、５
，１４……磁化コイル（検知手段）、７……永久
磁石、１２……磁束測定用コイル（検知手段）、
２１……磁化力測定用コイル（検知手段）、２６
……磁化電源装置（検知手段）、２７……磁束Ｂ
測定部（検知手段）、２８……磁界Ｈ測定部（検
知手段）、２９……表示装置（表示手段）、３０
……制御装置（制御手段）。
Fig. 1 is a partial sectional view of a lubricating oil deterioration detection device according to an embodiment of the present invention, Fig. 2 is a measurement circuit diagram of the lubricating oil deterioration detection device of Fig. 1, and Fig. 3 is a demagnetization of a permanent magnet. It is a characteristic diagram showing a curve. 1... Transmission case (container), 5
, 14... Magnetizing coil (detection means), 7... Permanent magnet, 12... Magnetic flux measurement coil (detection means),
21... Magnetizing force measurement coil (detection means), 26
... Magnetization power supply device (detection means), 27 ... Magnetic flux B
Measuring section (detecting means), 28... Magnetic field H measuring section (detecting means), 29... Display device (display means), 30
...control device (control means).
Claims (1)
可能に装着され、前記容器内の潤滑油中の金属を
吸着する磁石と、この磁石の磁束密度を検知する
検知手段と、前記検知手段からの検出信号を入力
し、検知した磁束密度から潤滑油の劣化を判断す
る制御手段と、この制御手段に接続され、前記潤
滑油の劣化を表示する表示手段とを具備したこと
を特徴とする潤滑油劣化検出装置。 A magnet that is detachably attached to a container containing lubricating oil in a sliding contact part and that attracts metal in the lubricating oil in the container, a detecting means that detects the magnetic flux density of this magnet, and a detection from the detecting means. Lubricating oil deterioration characterized by comprising a control means for inputting a signal and determining the deterioration of the lubricating oil from the detected magnetic flux density, and a display means connected to the control means for displaying the deterioration of the lubricating oil. Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990077211U JP2519657Y2 (en) | 1990-07-20 | 1990-07-20 | Lubricant deterioration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990077211U JP2519657Y2 (en) | 1990-07-20 | 1990-07-20 | Lubricant deterioration detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0434414U true JPH0434414U (en) | 1992-03-23 |
| JP2519657Y2 JP2519657Y2 (en) | 1996-12-11 |
Family
ID=31619386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990077211U Expired - Lifetime JP2519657Y2 (en) | 1990-07-20 | 1990-07-20 | Lubricant deterioration detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2519657Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012127519A1 (en) * | 2011-03-18 | 2012-09-27 | トヨタ自動車株式会社 | Machine lubricating device and oil filter |
| JP2015028368A (en) * | 2013-07-30 | 2015-02-12 | ナブテスコ株式会社 | Gear transmission device |
| EP4191243A2 (en) | 2021-12-06 | 2023-06-07 | Nippon Pillar Packing Co., Ltd. | Oil state detection apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5954956A (en) * | 1982-09-22 | 1984-03-29 | Daido Steel Co Ltd | Measurement of amount of magnetic particle in fluid |
| JPS634320U (en) * | 1986-06-26 | 1988-01-12 |
-
1990
- 1990-07-20 JP JP1990077211U patent/JP2519657Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5954956A (en) * | 1982-09-22 | 1984-03-29 | Daido Steel Co Ltd | Measurement of amount of magnetic particle in fluid |
| JPS634320U (en) * | 1986-06-26 | 1988-01-12 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012127519A1 (en) * | 2011-03-18 | 2012-09-27 | トヨタ自動車株式会社 | Machine lubricating device and oil filter |
| CN103443525A (en) * | 2011-03-18 | 2013-12-11 | 丰田自动车株式会社 | Machine lubricating device and oil filter |
| EP2687770A1 (en) * | 2011-03-18 | 2014-01-22 | Toyota Jidosha Kabushiki Kaisha | Machine lubricating device and oil filter |
| EP2687770A4 (en) * | 2011-03-18 | 2014-09-03 | Toyota Motor Co Ltd | Machine lubricating device and oil filter |
| JP5668840B2 (en) * | 2011-03-18 | 2015-02-12 | トヨタ自動車株式会社 | Machine lubricator and oil filter |
| JP2015028368A (en) * | 2013-07-30 | 2015-02-12 | ナブテスコ株式会社 | Gear transmission device |
| EP4191243A2 (en) | 2021-12-06 | 2023-06-07 | Nippon Pillar Packing Co., Ltd. | Oil state detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2519657Y2 (en) | 1996-12-11 |
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