JPS59175125U - Mass flowmeter with self-diagnosis function - Google Patents
Mass flowmeter with self-diagnosis functionInfo
- Publication number
- JPS59175125U JPS59175125U JP7007783U JP7007783U JPS59175125U JP S59175125 U JPS59175125 U JP S59175125U JP 7007783 U JP7007783 U JP 7007783U JP 7007783 U JP7007783 U JP 7007783U JP S59175125 U JPS59175125 U JP S59175125U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- mass flow
- flow rate
- self
- diagnosis function
- 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
(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図は従来の質量流量計を示す図、第2図は本考案の
一実施例を示す図、第3図はマスフローセンサーの構成
を示す図、第4図は本考案の他の一実施例を示す図であ
る。
10・・・ガス流量測定用マスフローセンサー、11・
・・ガス流路、12・・・チェック用マスフローセンサ
ー。Fig. 1 shows a conventional mass flow meter, Fig. 2 shows an embodiment of the present invention, Fig. 3 shows the configuration of a mass flow sensor, and Fig. 4 shows another embodiment of the invention. It is a figure which shows an example. 10... Mass flow sensor for measuring gas flow rate, 11.
...Gas flow path, 12...Mass flow sensor for checking.
Claims (3)
ローセンサーと、このセンサーと並列に設けられ、かつ
該センサーより内径の大きなチェック用マスフローセン
サーと、両センサーの出力信号量を比較し、ガス流量測
定用のマスフローセンサーの異常の有無を確認する比較
器とから構成されてなる自己診断機能付質量流量計。(1) Compare the output signal amount of a mass flow sensor for measuring gas flow rate installed in parallel with the gas flow path and a mass flow sensor for checking that is installed in parallel with this sensor and having a larger inner diameter than the sensor. A mass flow meter with a self-diagnosis function, which consists of a comparator that checks whether there is an abnormality in the mass flow sensor for measuring gas flow rate.
”° 制限素子が設けられて、他方のセンサーと同一の
ガス流量を流すようにしであることを特徴とする実用新
案登録請求の範囲第(1)項に記載の質量流量計。(2) Utility model registration claim (1) characterized in that the checking mass flow sensor is provided with a flow rate limiting element so as to flow the same gas flow rate as the other sensor. The mass flow meter described in .
ーの内径と同−或いはそれ以上の径をもった流量制限素
子を用いていることを特徴とする実用新案登録請求の範
囲第(2)項に記載の質量流量計。(3) The utility model registration claim (2) is characterized in that the flow rate limiting element is a flow rate limiting element having a diameter equal to or larger than the inner diameter of the checking mass flow sensor. mass flow meter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7007783U JPS59175125U (en) | 1983-05-10 | 1983-05-10 | Mass flowmeter with self-diagnosis function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7007783U JPS59175125U (en) | 1983-05-10 | 1983-05-10 | Mass flowmeter with self-diagnosis function |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59175125U true JPS59175125U (en) | 1984-11-22 |
JPH0140014Y2 JPH0140014Y2 (en) | 1989-12-01 |
Family
ID=30200227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7007783U Granted JPS59175125U (en) | 1983-05-10 | 1983-05-10 | Mass flowmeter with self-diagnosis function |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59175125U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0342522A (en) * | 1989-07-11 | 1991-02-22 | Nissan Motor Co Ltd | Air intake measuring instrument for internal combustion engine |
JP2017156943A (en) * | 2016-03-01 | 2017-09-07 | ローム株式会社 | Sensor node, sensor network system, and fault recovery method for the same |
-
1983
- 1983-05-10 JP JP7007783U patent/JPS59175125U/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0342522A (en) * | 1989-07-11 | 1991-02-22 | Nissan Motor Co Ltd | Air intake measuring instrument for internal combustion engine |
JP2017156943A (en) * | 2016-03-01 | 2017-09-07 | ローム株式会社 | Sensor node, sensor network system, and fault recovery method for the same |
Also Published As
Publication number | Publication date |
---|---|
JPH0140014Y2 (en) | 1989-12-01 |
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