JPS6088249U - Differential pressure generator - Google Patents
Differential pressure generatorInfo
- Publication number
- JPS6088249U JPS6088249U JP17958083U JP17958083U JPS6088249U JP S6088249 U JPS6088249 U JP S6088249U JP 17958083 U JP17958083 U JP 17958083U JP 17958083 U JP17958083 U JP 17958083U JP S6088249 U JPS6088249 U JP S6088249U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- pressure
- variable throttle
- low
- stop valve
- 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
- Measuring Fluid Pressure (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案−実施例の差圧発生装置の構成を示す管
系図、第２図は本考案変形例の差圧発生装置の構成を示
す管系図である。
１・・・・・・水槽、２・・・・・・定流量ポンプ、３
・・・・・・第１の可変絞り、４・・・・・・ストップ
弁、５・・・・・・第１のアキュムレータ、６・・・・
・・基準圧力測定器、７・・・・・・被校正差圧伝送器
、訃・・・・・第２の可変絞り、９・・・・・・第２の
アキュムレータ、１０・・・・・・第３の可変絞り、１
１・・・・・・高圧配管、１４・・・・・・低圧配管、
２１・・・・・・高圧ボンベ、２７・・・・・・被校正
絶対圧力伝送器。FIG. 1 is a pipe system diagram showing the configuration of a differential pressure generating device according to an embodiment of the present invention, and FIG. 2 is a pipe system diagram showing the configuration of a differential pressure generating device according to a modification of the present invention. 1...Aquarium, 2...Constant flow pump, 3
...First variable throttle, 4...Stop valve, 5...First accumulator, 6...
... Reference pressure measuring device, 7 ... Differential pressure transmitter to be calibrated, ... Second variable aperture, 9 ... Second accumulator, 10 ... ...Third variable aperture, 1
1...High pressure piping, 14...Low pressure piping,
21... High pressure cylinder, 27... Absolute pressure transmitter to be calibrated.
Claims (1)
第１の可変絞りの出口側に配管接続されたストップ弁と
、このストップ弁の出口側配管にそれぞれ分岐管を介し
て接続された第１のアキュムレータ、基準圧力測定器の
高圧側入力端、被校正圧力伝送器の高圧側入力端と、こ
の基準圧力測定器および被校正圧力伝送器の各低圧側入
力端に接続された低圧配管と、前記第１の可変絞りの入
力側に至る高圧配管から分岐した配管に入口側が接続さ
れ出口側が配管を介して前記の低圧配管に合流接続され
た第２の可変絞りと、この第２の可変絞りの入口側の配
管に分岐管を介して接続された第２のアキュムレータと
、前記第１の可変絞りの出口側とストップ弁との間の配
管から分岐した配管に入口側が接続され出口側が配管を
介して前記の低圧配管に合流接続された第３の可変絞り
と、前記高圧配管および低圧配管にそれぞれ接続された
別個の圧力源とを具備してなり、前記各可変絞りの開度
を調節することにより前記ストップ弁の出口側と低圧配
管との間に所望値の差圧を発生する差圧発生装置。A first variable throttle whose inlet side is connected to the high-pressure pipe, a stop valve connected to the outlet side of the first variable throttle, and a stop valve connected to the outlet side pipe of the stop valve via branch pipes. Low pressure piping connected to the first accumulator, the high pressure side input end of the reference pressure measuring device, the high pressure side input end of the pressure transmitter to be calibrated, and each low pressure side input end of the reference pressure measuring device and the pressure transmitter to be calibrated. and a second variable throttle whose inlet side is connected to a pipe branched from the high-pressure pipe leading to the input side of the first variable throttle, and whose outlet side is connected to the low-pressure pipe through the pipe; A second accumulator is connected to a pipe on the inlet side of the variable throttle via a branch pipe, and the inlet side is connected to a pipe branched from the pipe between the outlet side of the first variable throttle and the stop valve, and the outlet side is connected to the pipe. The third variable throttle is connected to the low-pressure pipe through a pipe, and separate pressure sources are respectively connected to the high-pressure pipe and the low-pressure pipe. A differential pressure generating device that generates a desired value of differential pressure between the outlet side of the stop valve and the low pressure piping by adjusting it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17958083U JPS6088249U (en) | 1983-11-22 | 1983-11-22 | Differential pressure generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17958083U JPS6088249U (en) | 1983-11-22 | 1983-11-22 | Differential pressure generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6088249U true JPS6088249U (en) | 1985-06-17 |
Family
ID=30389601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17958083U Pending JPS6088249U (en) | 1983-11-22 | 1983-11-22 | Differential pressure generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6088249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011128018A (en) * | 2009-12-17 | 2011-06-30 | Osaka Gas Co Ltd | Differential pressure gauge inspection device and method of using the same |
| JP2021135094A (en) * | 2020-02-25 | 2021-09-13 | エスペック株式会社 | Liquid circulation type test device and liquid circulation type test method |
-
1983
- 1983-11-22 JP JP17958083U patent/JPS6088249U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011128018A (en) * | 2009-12-17 | 2011-06-30 | Osaka Gas Co Ltd | Differential pressure gauge inspection device and method of using the same |
| JP2021135094A (en) * | 2020-02-25 | 2021-09-13 | エスペック株式会社 | Liquid circulation type test device and liquid circulation type test method |
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