JPS63195230U - - Google Patents
Info
- Publication number
- JPS63195230U JPS63195230U JP8681087U JP8681087U JPS63195230U JP S63195230 U JPS63195230 U JP S63195230U JP 8681087 U JP8681087 U JP 8681087U JP 8681087 U JP8681087 U JP 8681087U JP S63195230 U JPS63195230 U JP S63195230U
- Authority
- JP
- Japan
- Prior art keywords
- hot wire
- housing
- flow rate
- hot
- control circuit
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図ａ，ｂは夫々この考案による熱線式流量
センサの計測機構部の縦断正面図及び側面図、第
２図ａ，ｂは夫々従来の熱線式センサの計測機構
部の縦断正面図及び側面図、第３図は熱線式流量
センサの制御回路図である。
２……熱線支持体、３……円筒状ハウジング、
３ａ……上流側部分、ＲＨ……熱線。尚、図中同
一符号は同一又は相当部分を示す。
Figures 1a and b are a longitudinal sectional front view and a side view of the measuring mechanism of the hot-wire flow rate sensor according to the invention, respectively, and Figures 2 a and b are a longitudinal sectional front view and a side view of the measuring mechanism of a conventional hot-wire type sensor, respectively. 3 are control circuit diagrams of the hot wire flow rate sensor. 2... Hot wire support, 3... Cylindrical housing,
3a... Upstream part, RH... Heat wire. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
のハウジングの内周面に設けられた複数の熱線支
持体、各熱線支持体間に張設された熱線、該熱線
に接続され、流量に比例した信号を出力する制御
回路を備えた熱線式流量センサにおいて、上記ハ
ウジングの熱線上流側の内面形状を流体が熱線の
中央部に集中して流れる形状としたことを特徴と
する熱線式流量センサ。 A cylindrical housing provided in the fluid passage, a plurality of hot wire supports provided on the inner peripheral surface of the housing, a hot wire stretched between each hot wire support, and a signal connected to the hot wire and proportional to the flow rate. 1. A hot wire flow rate sensor equipped with a control circuit that outputs , wherein the inner surface of the housing on the upstream side of the hot wire is shaped so that the fluid flows in a concentrated manner at the center of the hot wire.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086810U JPH0742105Y2 (en) | 1987-06-04 | 1987-06-04 | Heat wire type flow sensor |
| DE3818385A DE3818385A1 (en) | 1987-06-04 | 1988-05-30 | HOT WIRE FLOW QUANTITY SENSOR |
| US07/201,885 US4864855A (en) | 1987-06-04 | 1988-06-03 | Hot wire type flow sensor |
| KR2019880008702U KR910002831Y1 (en) | 1987-06-04 | 1988-06-04 | Thermal flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086810U JPH0742105Y2 (en) | 1987-06-04 | 1987-06-04 | Heat wire type flow sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63195230U true JPS63195230U (en) | 1988-12-15 |
| JPH0742105Y2 JPH0742105Y2 (en) | 1995-09-27 |
Family
ID=30943460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987086810U Expired - Lifetime JPH0742105Y2 (en) | 1987-06-04 | 1987-06-04 | Heat wire type flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742105Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01135318U (en) * | 1988-03-04 | 1989-09-18 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57182258U (en) * | 1981-05-15 | 1982-11-18 | ||
| JPS60218032A (en) * | 1984-04-13 | 1985-10-31 | Mitsubishi Electric Corp | Thermal flow rate sensor |
-
1987
- 1987-06-04 JP JP1987086810U patent/JPH0742105Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57182258U (en) * | 1981-05-15 | 1982-11-18 | ||
| JPS60218032A (en) * | 1984-04-13 | 1985-10-31 | Mitsubishi Electric Corp | Thermal flow rate sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01135318U (en) * | 1988-03-04 | 1989-09-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0742105Y2 (en) | 1995-09-27 |