CA1049095A - Electromagnetic flowmeter characterized by zero quadrature signal - Google Patents
Electromagnetic flowmeter characterized by zero quadrature signalInfo
- Publication number
- CA1049095A CA1049095A CA76257808A CA257808A CA1049095A CA 1049095 A CA1049095 A CA 1049095A CA 76257808 A CA76257808 A CA 76257808A CA 257808 A CA257808 A CA 257808A CA 1049095 A CA1049095 A CA 1049095A
- Authority
- CA
- Canada
- Prior art keywords
- current
- electrodes
- levels
- pipe
- flowmeter
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 3
- 229940035564 duration Drugs 0.000 claims 1
- 230000001052 transient effect Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 description 24
- 230000004907 flux Effects 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000003251 Pruritus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 230000036962 time dependent Effects 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
- G01F1/56—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 electric or magnetic effects
- G01F1/58—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 electric or magnetic effects by electromagnetic flowmeters
- G01F1/60—Circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/604,635 US3995484A (en) | 1975-08-14 | 1975-08-14 | Electromagnetic flowmeter characterized by zero quadrature signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1049095A true CA1049095A (en) | 1979-02-20 |
Family
ID=24420394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA76257808A Expired CA1049095A (en) | 1975-08-14 | 1976-07-26 | Electromagnetic flowmeter characterized by zero quadrature signal |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3995484A (en:Method) |
| JP (1) | JPS5252663A (en:Method) |
| CA (1) | CA1049095A (en:Method) |
| DE (1) | DE2636576A1 (en:Method) |
| GB (1) | GB1515207A (en:Method) |
| IN (1) | IN146483B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3903068A1 (de) * | 1989-02-02 | 1990-08-16 | Turbo Werk Messtechnik Gmbh | Induktiver durchflussmesser |
| GB2324606B (en) * | 1997-04-25 | 2002-01-16 | Kent Meters Ltd | Electromagnetic flowmeter |
| CN110332964B (zh) * | 2019-07-06 | 2020-08-04 | 杭州乾博科技有限公司 | 一种可检测故障的线圈感应式水表 |
| CN110207769B (zh) * | 2019-07-06 | 2020-10-02 | 三川智慧科技股份有限公司 | 一种可检测及修正数据误差的线圈感应式水表 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2808723A (en) * | 1953-11-09 | 1957-10-08 | Vitro Corp | Magnetic induction flowmeter |
| US3550446A (en) * | 1969-02-28 | 1970-12-29 | Nat Res Dev | Electromagnetic flowmeters |
| US3759097A (en) * | 1970-09-01 | 1973-09-18 | V Cushing | Electromagnetic water current meter |
| DE2240054C3 (de) * | 1972-08-16 | 1978-06-29 | Fischer & Porter Gmbh, 3400 Goettingen | Induktiver Strömungsmesser |
-
1975
- 1975-08-14 US US05/604,635 patent/US3995484A/en not_active Expired - Lifetime
-
1976
- 1976-07-20 IN IN1300/CAL/76A patent/IN146483B/en unknown
- 1976-07-26 CA CA76257808A patent/CA1049095A/en not_active Expired
- 1976-08-11 GB GB33476/76A patent/GB1515207A/en not_active Expired
- 1976-08-12 JP JP51095448A patent/JPS5252663A/ja active Pending
- 1976-08-13 DE DE19762636576 patent/DE2636576A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5252663A (en) | 1977-04-27 |
| GB1515207A (en) | 1978-06-21 |
| DE2636576A1 (de) | 1977-02-24 |
| US3995484A (en) | 1976-12-07 |
| IN146483B (en:Method) | 1979-06-16 |
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