JPS5480776A - Electrode device for liquid level detection - Google Patents
Electrode device for liquid level detectionInfo
- Publication number
- JPS5480776A JPS5480776A JP14844777A JP14844777A JPS5480776A JP S5480776 A JPS5480776 A JP S5480776A JP 14844777 A JP14844777 A JP 14844777A JP 14844777 A JP14844777 A JP 14844777A JP S5480776 A JPS5480776 A JP S5480776A
- Authority
- JP
- Japan
- Prior art keywords
- sealability
- main member
- interface
- rod
- resin
- 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
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
PURPOSE: To improve sealability and productivity by arranging an electrode rod in the center hole of a cylindirical main member and by filling up the space inbetween with such an insulating resin as has a higher thermal expansion coefficient than those of the two.
CONSTITUTION: A liquid detecting electrode divice, which is prepared by inserting an electrode rod 1 and a cylindrical main member 2 of stainless steel into molds and by coating them with an insulating resin 3, screws a externally threaded portion 21 of the main member 2 into the internally theraded portion of a boiler wall so that it may be used for liquid control. Since the thermal expansion coefficient of the insulating resin 3 is made higher than those of the rod 1 and the member 2, the jointed interface (a) between the rod 1 and the resin 3 can have the higher sealability as the temperature drops the more, whereas the jointed interface (b) between the member 2 and the resin 3 can have the higher sealability as the temperature rises the more. The space, which is extablished at the interface (b) when the temperature is low, can be prevented from have its sealability deteriorated by the sealability of a jointed interface (c) between the both ends of the main member 2.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14844777A JPS5480776A (en) | 1977-12-09 | 1977-12-09 | Electrode device for liquid level detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14844777A JPS5480776A (en) | 1977-12-09 | 1977-12-09 | Electrode device for liquid level detection |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5480776A true JPS5480776A (en) | 1979-06-27 |
Family
ID=15452987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14844777A Pending JPS5480776A (en) | 1977-12-09 | 1977-12-09 | Electrode device for liquid level detection |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5480776A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0159828U (en) * | 1987-10-12 | 1989-04-14 | ||
JPH0314429U (en) * | 1989-06-27 | 1991-02-14 |
-
1977
- 1977-12-09 JP JP14844777A patent/JPS5480776A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0159828U (en) * | 1987-10-12 | 1989-04-14 | ||
JPH0314429U (en) * | 1989-06-27 | 1991-02-14 |
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