JPS55109939A - Pressure sensor - Google Patents
Pressure sensorInfo
- Publication number
- JPS55109939A JPS55109939A JP1683979A JP1683979A JPS55109939A JP S55109939 A JPS55109939 A JP S55109939A JP 1683979 A JP1683979 A JP 1683979A JP 1683979 A JP1683979 A JP 1683979A JP S55109939 A JPS55109939 A JP S55109939A
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- pressure
- coil
- pressure sensor
- core
- 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
Abstract
PURPOSE: To obtain a miniature and high-precision pressure sensor by forming a bellows, displaced according to pressure, of an electric shield material and then by shielding a pressure-detecting core and coil.
CONSTITUTION: Bellows 12 displaced corresponding to pressure applied to its inside is formed of an electric shield material and bobbin 13 wound with coil 14 is inserted from top part 15 of bellows 12 toward the inside. Then, the pressure is detected from an oscillation frequency through coil 14 crresponding to an insertion degree according to the displacement of bellows 12 of core 17 fixed in bobbin 13. Therefore, the position relation between coil 14 and core 17 is detected inside of bellows 12 and there is no need to provide additionally a shield material, so that the pressure sensor will be miniature and high in precision.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1683979A JPS5833496B2 (en) | 1979-02-15 | 1979-02-15 | pressure sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1683979A JPS5833496B2 (en) | 1979-02-15 | 1979-02-15 | pressure sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55109939A true JPS55109939A (en) | 1980-08-23 |
JPS5833496B2 JPS5833496B2 (en) | 1983-07-20 |
Family
ID=11927364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1683979A Expired JPS5833496B2 (en) | 1979-02-15 | 1979-02-15 | pressure sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5833496B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6295435A (en) * | 1985-10-23 | 1987-05-01 | Hitachi Ltd | Pressure detecting device |
KR20200082255A (en) * | 2018-12-28 | 2020-07-08 | 주식회사 현대케피코 | Pressure sensor using proximity sensor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0449117Y2 (en) * | 1987-10-23 | 1992-11-18 |
-
1979
- 1979-02-15 JP JP1683979A patent/JPS5833496B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6295435A (en) * | 1985-10-23 | 1987-05-01 | Hitachi Ltd | Pressure detecting device |
KR20200082255A (en) * | 2018-12-28 | 2020-07-08 | 주식회사 현대케피코 | Pressure sensor using proximity sensor |
Also Published As
Publication number | Publication date |
---|---|
JPS5833496B2 (en) | 1983-07-20 |
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