JPH0322563B2 - - Google Patents
Info
- Publication number
- JPH0322563B2 JPH0322563B2 JP56147885A JP14788581A JPH0322563B2 JP H0322563 B2 JPH0322563 B2 JP H0322563B2 JP 56147885 A JP56147885 A JP 56147885A JP 14788581 A JP14788581 A JP 14788581A JP H0322563 B2 JPH0322563 B2 JP H0322563B2
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- orifice
- movable orifice
- fluid
- rate
- 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.)
- Expired - Lifetime
Links
- 230000008859 change Effects 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 24
- 239000000696 magnetic material Substances 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 description 15
- 230000005291 magnetic effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 229910001035 Soft ferrite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/22—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
- G01F1/24—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters with magnetic or electric coupling to the indicating device
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14788581A JPS5850419A (ja) | 1981-09-21 | 1981-09-21 | 流量および流量変化率検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14788581A JPS5850419A (ja) | 1981-09-21 | 1981-09-21 | 流量および流量変化率検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5850419A JPS5850419A (ja) | 1983-03-24 |
| JPH0322563B2 true JPH0322563B2 (US06811534-20041102-M00003.png) | 1991-03-27 |
Family
ID=15440396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14788581A Granted JPS5850419A (ja) | 1981-09-21 | 1981-09-21 | 流量および流量変化率検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5850419A (US06811534-20041102-M00003.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010314A1 (fr) * | 2006-07-20 | 2008-01-24 | Nidec Sankyo Corporation | CAPTEUR de débit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3020130B2 (ja) * | 1994-02-18 | 2000-03-15 | 工業技術院長 | 圧力測定機能を有する複合材料 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4941329U (US06811534-20041102-M00003.png) * | 1972-07-13 | 1974-04-11 | ||
| JPS5292554A (en) * | 1976-01-29 | 1977-08-04 | Jiekoo Kk | Flow sensor |
| JPS57142517A (en) * | 1981-01-26 | 1982-09-03 | Deere & Co | Two-way flow measuring apparatus |
-
1981
- 1981-09-21 JP JP14788581A patent/JPS5850419A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4941329U (US06811534-20041102-M00003.png) * | 1972-07-13 | 1974-04-11 | ||
| JPS5292554A (en) * | 1976-01-29 | 1977-08-04 | Jiekoo Kk | Flow sensor |
| JPS57142517A (en) * | 1981-01-26 | 1982-09-03 | Deere & Co | Two-way flow measuring apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010314A1 (fr) * | 2006-07-20 | 2008-01-24 | Nidec Sankyo Corporation | CAPTEUR de débit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5850419A (ja) | 1983-03-24 |
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