JPS56101493A - Detecting device for lubricating oil in rotary machine - Google Patents
Detecting device for lubricating oil in rotary machineInfo
- Publication number
- JPS56101493A JPS56101493A JP402880A JP402880A JPS56101493A JP S56101493 A JPS56101493 A JP S56101493A JP 402880 A JP402880 A JP 402880A JP 402880 A JP402880 A JP 402880A JP S56101493 A JPS56101493 A JP S56101493A
- Authority
- JP
- Japan
- Prior art keywords
- strainer
- electrodes
- oil
- lubricating oil
- suction tube
- 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
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
PURPOSE: To detect the condition of lubricating oil automatically according to the change in permittivity by providing double cylinder electrodes inside an oil strainer and detecting the permittivity of gas-liquid located between these electrodes.
CONSTITUTION: In a crank case 1, the oil strainer 3 is provided so that dust and other impurities are not sucked in by the sucking force given by an oil pump 2. Inside of the strainer 3, a suction tube 4 having a plurality of concentrical openings 41 is provided, constituting a pair of electrodes together with the oil strainer 3. Between the suction tube 4 and the strainer is provided an insulation member 5 intermediately. A control device 8 supplys high-frequency voltage between the strainer 3 and the suction tube 4, detects electrostatic capacitance between both electrodes while delivering a signal for exhaustion of the lubricating oil.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP402880A JPS56101493A (en) | 1980-01-16 | 1980-01-16 | Detecting device for lubricating oil in rotary machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP402880A JPS56101493A (en) | 1980-01-16 | 1980-01-16 | Detecting device for lubricating oil in rotary machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56101493A true JPS56101493A (en) | 1981-08-14 |
Family
ID=11573499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP402880A Pending JPS56101493A (en) | 1980-01-16 | 1980-01-16 | Detecting device for lubricating oil in rotary machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56101493A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03229979A (en) * | 1990-02-05 | 1991-10-11 | Hitachi Ltd | Oil supply detector for oil cooling type compressor |
CN103148333A (en) * | 2011-12-07 | 2013-06-12 | 株式会社神户制钢所 | Liquid rotation machine |
US10739327B2 (en) | 2015-05-08 | 2020-08-11 | Danfoss (Tianjin) Ltd. | Apparatus and method for monitoring the quality of a lubricant in a compressor |
-
1980
- 1980-01-16 JP JP402880A patent/JPS56101493A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03229979A (en) * | 1990-02-05 | 1991-10-11 | Hitachi Ltd | Oil supply detector for oil cooling type compressor |
CN103148333A (en) * | 2011-12-07 | 2013-06-12 | 株式会社神户制钢所 | Liquid rotation machine |
JP2013119807A (en) * | 2011-12-07 | 2013-06-17 | Kobe Steel Ltd | Fluid rotary machine |
US10739327B2 (en) | 2015-05-08 | 2020-08-11 | Danfoss (Tianjin) Ltd. | Apparatus and method for monitoring the quality of a lubricant in a compressor |
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