JPS6288930U - - Google Patents
Info
- Publication number
- JPS6288930U JPS6288930U JP18040185U JP18040185U JPS6288930U JP S6288930 U JPS6288930 U JP S6288930U JP 18040185 U JP18040185 U JP 18040185U JP 18040185 U JP18040185 U JP 18040185U JP S6288930 U JPS6288930 U JP S6288930U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- capillary tubes
- pair
- detection unit
- unit body
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案に係るリモートシール型差圧発
信器の一実施例を示す要部断面図、第２図はその
別の実施例を示す概略断面図、第３図は本考案を
適用するリモートシール型差圧発信器の一例を示
す概略構成図である。
１…リモートシール型差圧発信器、２Ａ，２Ｂ
…受圧空間、３…圧力検出センサ、４…検出部ボ
デイ、５Ａ，５Ｂ…第１（測圧側）のキヤピラリ
チユーブ、６Ａ，６Ｂ…圧力取出用シールダイア
フラム、７Ａ，７Ｂ…圧力取出部（測圧端）、８
…内部封入液、９…タンク（被測圧部）、１０Ａ
，１０Ｂ…可撓性を有する保護管、１１Ａ，１１
Ｂ…第２（温度補償側）のキヤピラリチユーブ、
１２…閉塞部、１３…センタダイアフラム。
Fig. 1 is a sectional view of essential parts showing one embodiment of a remote seal type differential pressure transmitter according to the present invention, Fig. 2 is a schematic sectional view showing another embodiment thereof, and Fig. 3 is a diagram to which the present invention is applied. 1 is a schematic configuration diagram showing an example of a remote seal type differential pressure transmitter. 1...Remote seal type differential pressure transmitter, 2A, 2B
...Pressure receiving space, 3...Pressure detection sensor, 4...Detection part body, 5A, 5B...First (pressure measurement side) capillary tube, 6A, 6B...Seal diaphragm for pressure extraction, 7A, 7B...Pressure extraction part (measurement side) pressure end), 8
...Internally sealed liquid, 9...Tank (part to be measured), 10A
, 10B...Flexible protection tube, 11A, 11
B...Second (temperature compensation side) capillary tube,
12... Obstruction part, 13... Center diaphragm.
Claims (1)
びその圧力差を検出する手段を有する検出部ボデ
イと、この検出部ボデイの各受圧空間から導出さ
れた一対のキヤピラリチユーブと、これら各キヤ
ピラリチユーブの延長端に連設されそれぞれ被測
圧部に臨むシールダイアフラムを有する一対の測
圧端と、前記検出部ボデイ、各測圧端間でキヤピ
ラリチユーブのそれぞれに被覆される一対の保護
管を備え、これら各保護管内には、前記各キヤピ
ラリチユーブと略々等しい長さをもつ第２のキヤ
ピラリチユーブが並設され、これら第２のキヤピ
ラリチユーブは、その一端が前記測圧端付近で閉
塞されるとともに他端が前記検出部ボデイ内の対
応する受圧空間にそれぞれ接続され、かつこれら
各受圧空間および第１、第２のキヤピラリチユー
ブ内には圧力伝達媒体が液封されていることを特
徴とするリモートシール型差圧発信器。 A detection unit body having a pair of pressure receiving spaces defined from each other and means for detecting a pressure difference therebetween, a pair of capillary tubes led out from each pressure receiving space of the detection unit body, and each of these capillary tubes. A pair of pressure measuring ends each having a seal diaphragm connected to the extended end of the tube and facing the pressure measured part, the detection unit body, and a pair of protection tubes covering each of the capillary tubes between the respective pressure measuring ends. In each of these protection tubes, a second capillary tube having approximately the same length as each of the capillary tubes is arranged in parallel, and one end of each of the second capillary tubes is connected to the pressure measuring end. The capillary tube is closed in the vicinity, and the other end is connected to the corresponding pressure receiving space in the detection unit body, and a pressure transmission medium is liquid-sealed in each of these pressure receiving spaces and the first and second capillary tubes. A remote seal type differential pressure transmitter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18040185U JPS6288930U (en) | 1985-11-22 | 1985-11-22 | |
| US06/930,822 US4722228A (en) | 1985-11-20 | 1986-11-14 | Remote seal-type pressure signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18040185U JPS6288930U (en) | 1985-11-22 | 1985-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6288930U true JPS6288930U (en) | 1987-06-06 |
Family
ID=31124322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18040185U Pending JPS6288930U (en) | 1985-11-20 | 1985-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6288930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012225787A (en) * | 2011-04-20 | 2012-11-15 | Yazaki Corp | Differential pressure measuring unit and liquid quantity estimation system |
-
1985
- 1985-11-22 JP JP18040185U patent/JPS6288930U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012225787A (en) * | 2011-04-20 | 2012-11-15 | Yazaki Corp | Differential pressure measuring unit and liquid quantity estimation system |
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