IL85861A - התקן לשימוש עם מד צפיפות - Google Patents
התקן לשימוש עם מד צפיפותInfo
- Publication number
- IL85861A IL85861A IL8586188A IL8586188A IL85861A IL 85861 A IL85861 A IL 85861A IL 8586188 A IL8586188 A IL 8586188A IL 8586188 A IL8586188 A IL 8586188A IL 85861 A IL85861 A IL 85861A
- Authority
- IL
- Israel
- Prior art keywords
- output
- probe
- amplifier
- phase
- coupled
- Prior art date
Links
- 239000000523 sample Substances 0.000 claims description 57
- 239000004020 conductor Substances 0.000 claims description 15
- 230000010363 phase shift Effects 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 description 19
- 230000003750 conditioning effect Effects 0.000 description 11
- 230000005284 excitation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 241001562081 Ikeda Species 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013479 data entry Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
Landscapes
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/031,850 US4802360A (en) | 1987-03-27 | 1987-03-27 | Vibrating spool densitometer immune to cabling effects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL85861A0 IL85861A0 (en) | 1988-09-30 |
| IL85861A true IL85861A (he) | 1995-03-15 |
Family
ID=21861731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL8586188A IL85861A (he) | 1987-03-27 | 1988-03-24 | התקן לשימוש עם מד צפיפות |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4802360A (he) |
| EP (1) | EP0284250B1 (he) |
| JP (1) | JPS63255641A (he) |
| DE (1) | DE3878474D1 (he) |
| IL (1) | IL85861A (he) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4996656A (en) * | 1988-09-02 | 1991-02-26 | Innovative Solutions & Support, Incorporated | Densitometer with remotely disposed control electronics |
| CN104204765A (zh) | 2012-03-21 | 2014-12-10 | 伊顿公司 | 数字密度计及流体度量系统 |
| WO2016109447A1 (en) | 2014-12-29 | 2016-07-07 | Concentric Meter Corporation | Fluid parameter sensor and meter |
| WO2016109451A1 (en) | 2014-12-29 | 2016-07-07 | Concentric Meter Corporation | Electromagnetic transducer |
| US10126266B2 (en) | 2014-12-29 | 2018-11-13 | Concentric Meter Corporation | Fluid parameter sensor and meter |
| US10048186B2 (en) | 2016-03-18 | 2018-08-14 | Simmonds Precision Products, Inc. | Optically interfaced fluid density sensor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3677067A (en) * | 1970-08-20 | 1972-07-18 | Itt | Densitometer |
| CH619043A5 (he) * | 1977-07-27 | 1980-08-29 | Straumann Inst Ag | |
| US4282742A (en) * | 1977-09-28 | 1981-08-11 | International Telephone And Telegraph Corporation | Densitometer |
| US4215566A (en) * | 1979-04-30 | 1980-08-05 | International Telephone And Telegraph Corporation | Densitometer with voltage driver |
| US4546641A (en) * | 1983-10-17 | 1985-10-15 | International Telephone & Telegraph Corp. | Densitometer |
-
1987
- 1987-03-27 US US07/031,850 patent/US4802360A/en not_active Expired - Lifetime
-
1988
- 1988-03-11 EP EP88302130A patent/EP0284250B1/en not_active Expired - Lifetime
- 1988-03-11 DE DE8888302130T patent/DE3878474D1/de not_active Expired - Lifetime
- 1988-03-24 IL IL8586188A patent/IL85861A/he not_active IP Right Cessation
- 1988-03-28 JP JP63072144A patent/JPS63255641A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4802360A (en) | 1989-02-07 |
| DE3878474D1 (de) | 1993-03-25 |
| EP0284250B1 (en) | 1993-02-17 |
| EP0284250A3 (en) | 1989-05-10 |
| IL85861A0 (en) | 1988-09-30 |
| JPS63255641A (ja) | 1988-10-21 |
| EP0284250A2 (en) | 1988-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |