JPH0445945U - - Google Patents
Info
- Publication number
- JPH0445945U JPH0445945U JP8752390U JP8752390U JPH0445945U JP H0445945 U JPH0445945 U JP H0445945U JP 8752390 U JP8752390 U JP 8752390U JP 8752390 U JP8752390 U JP 8752390U JP H0445945 U JPH0445945 U JP H0445945U
- Authority
- JP
- Japan
- Prior art keywords
- pressure receiving
- hole
- drain hole
- receiving flange
- internal
- 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
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案一実施例の受圧フランジのドレ
ン抜き穴を示す断面図、第２図は本考案の受圧フ
ランジのドレン抜き穴の変形例を示す断面図、第
３図は隔膜式差圧伝送器を用いた液位測定の概略
構成図、第４図は従来技術での隔膜受圧部を示す
要部断面図、第５図は従来技術でのドレン抜き穴
における液膜を示す説明図、第６図は従来技術で
の入／出力校正曲線を示すグラフである。
１１……受圧フランジ、１２……内部底面、１
３……内部側壁、１４……液体導入穴、１５……
ドレン抜き穴、１６……傾斜面。
Fig. 1 is a sectional view showing a drain hole of a pressure receiving flange according to an embodiment of the present invention, Fig. 2 is a sectional view showing a modified example of a drain hole of a pressure receiving flange of the present invention, and Fig. 3 is a diaphragm type differential pressure A schematic configuration diagram of liquid level measurement using a transmitter, Fig. 4 is a sectional view of the main part showing the diaphragm pressure receiving part in the conventional technology, Fig. 5 is an explanatory diagram showing the liquid film in the drain hole in the conventional technology, FIG. 6 is a graph showing input/output calibration curves in the prior art. 11...Pressure receiving flange, 12...Internal bottom surface, 1
3...Inner side wall, 14...Liquid introduction hole, 15...
Drain hole, 16...slanted surface.
Claims (1)
ランジの内部底面と液体導入穴が開口している内
部側壁との交叉線上に穴の軸線を一致させて一端
が開口し且つこの穴の軸線が前記内部底面に対し
垂直でなく前記内部側壁に斜交しており、他端が
この受圧フランジ底部に開口した受圧フランジの
ドレン抜き穴。 (2) 内部底面がドレン抜き穴に向つて下り勾配
を持つ傾斜面をドレン抜き穴の周辺に備えたこと
を特徴とする請求項１記載の受圧フランジのドレ
ン抜き穴。[Scope of Claim for Utility Model Registration] (1) The axis of the hole should be aligned with the intersection line between the internal bottom surface of the pressure receiving flange through which the liquid to be measured is introduced into the internal space and the internal side wall in which the liquid introduction hole is opened. A drain hole of a pressure receiving flange that is open at one end, the axis of the hole is not perpendicular to the internal bottom surface but obliquely intersects the internal side wall, and the other end is open at the bottom of the pressure receiving flange. (2) The drain hole of a pressure receiving flange according to claim 1, characterized in that the inner bottom surface is provided with an inclined surface around the drain hole with a downward slope toward the drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8752390U JPH0445945U (en) | 1990-08-22 | 1990-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8752390U JPH0445945U (en) | 1990-08-22 | 1990-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445945U true JPH0445945U (en) | 1992-04-20 |
Family
ID=31819927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8752390U Pending JPH0445945U (en) | 1990-08-22 | 1990-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012220360A (en) * | 2011-04-11 | 2012-11-12 | Chugoku Electric Power Co Inc:The | Calibration apparatus for diaphragm type pressure gauge |
-
1990
- 1990-08-22 JP JP8752390U patent/JPH0445945U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012220360A (en) * | 2011-04-11 | 2012-11-12 | Chugoku Electric Power Co Inc:The | Calibration apparatus for diaphragm type pressure gauge |
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