JPS5756731A - Pressure detector - Google Patents
Pressure detectorInfo
- Publication number
- JPS5756731A JPS5756731A JP13186580A JP13186580A JPS5756731A JP S5756731 A JPS5756731 A JP S5756731A JP 13186580 A JP13186580 A JP 13186580A JP 13186580 A JP13186580 A JP 13186580A JP S5756731 A JPS5756731 A JP S5756731A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- bellows
- displacement
- pressure detector
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
PURPOSE:To obtain a pressure detector which has one pressure introduction part by transducing pressure into displacement through a connecting rod which connects with a couple of pressure receiving elements differing in effective area. CONSTITUTION:Movable ends of bellows 11 and 10 of pressure detecting elements which are connected fixedly to a pressure receiving unit 31, welded to a pressure detector 1, each at the other end and differ in effective area are welded to a connecting rod 7. The bellows 10 are applied the atmospheric pressure througha hole 35, and the bellows 11 through a disphragm 31 for temperature compensation and an uncompressed fluid of silicone, etc., so that the rod 7 is displaced according to high pressure applied through the pressure introduction opening 34 of the unit 31. Then, variations in capacity corresponding to pressure transduced by the displacement are detected by a displacement transducing detecting means 19. Therefore, only one pressure introduction part is required and the easily manufactured pressure detector of simple constitution is realized.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13186580A JPS5756731A (en) | 1980-09-22 | 1980-09-22 | Pressure detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13186580A JPS5756731A (en) | 1980-09-22 | 1980-09-22 | Pressure detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5756731A true JPS5756731A (en) | 1982-04-05 |
Family
ID=15067928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13186580A Pending JPS5756731A (en) | 1980-09-22 | 1980-09-22 | Pressure detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5756731A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5821738A (en) * | 1993-11-19 | 1998-10-13 | Nec Corporation | Power supply with single DC/DC converter selectively outputting either of two voltage levels |
-
1980
- 1980-09-22 JP JP13186580A patent/JPS5756731A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5821738A (en) * | 1993-11-19 | 1998-10-13 | Nec Corporation | Power supply with single DC/DC converter selectively outputting either of two voltage levels |
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