NL192404C - Elektronische doorloopvolumemeter voor vloeibare media. - Google Patents
Elektronische doorloopvolumemeter voor vloeibare media. Download PDFInfo
- Publication number
- NL192404C NL192404C NL8702512A NL8702512A NL192404C NL 192404 C NL192404 C NL 192404C NL 8702512 A NL8702512 A NL 8702512A NL 8702512 A NL8702512 A NL 8702512A NL 192404 C NL192404 C NL 192404C
- Authority
- NL
- Netherlands
- Prior art keywords
- measuring
- signal
- phase shift
- phase
- ultrasound
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims description 5
- 230000010363 phase shift Effects 0.000 claims description 42
- 238000002604 ultrasonography Methods 0.000 claims description 34
- 238000011156 evaluation Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000009432 framing Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 13
- 238000005070 sampling Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 7
- 230000003111 delayed effect Effects 0.000 description 6
- 238000012937 correction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000033764 rhythmic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 230000009131 signaling function Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction 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
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003797 telogen phase 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
- G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Measuring Phase Differences (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH422586A CH672187A5 (enrdf_load_stackoverflow) | 1986-10-23 | 1986-10-23 | |
CH422586 | 1986-10-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8702512A NL8702512A (nl) | 1988-05-16 |
NL192404B NL192404B (nl) | 1997-03-03 |
NL192404C true NL192404C (nl) | 1997-07-04 |
Family
ID=4272133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8702512A NL192404C (nl) | 1986-10-23 | 1987-10-21 | Elektronische doorloopvolumemeter voor vloeibare media. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH672187A5 (enrdf_load_stackoverflow) |
DE (1) | DE3734635A1 (enrdf_load_stackoverflow) |
DK (1) | DK166695B1 (enrdf_load_stackoverflow) |
NL (1) | NL192404C (enrdf_load_stackoverflow) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3843678A1 (de) * | 1988-12-23 | 1990-06-28 | Flowtec Ag | Verfahren und anordnung zur durchflussmessung mittels ultraschallwellen |
DE59010351D1 (de) * | 1990-04-10 | 1996-07-04 | Landis & Gyr Tech Innovat | Durchflussvolumenzähler |
DE59107864D1 (de) * | 1991-01-29 | 1996-07-04 | Landis & Gyr Tech Innovat | Durchflussvolumenzähler für flüssige Medien |
EP0543109A1 (de) * | 1991-11-18 | 1993-05-26 | Landis & Gyr Technology Innovation AG | Messwertgeber zur Bestimmung der Durchflussmenge einer strömenden Flüssigkeit |
DE59404377D1 (de) * | 1993-03-19 | 1997-11-27 | Landis & Gyr Tech Innovat | Durchflussvolumenzähler |
DE4319344C2 (de) * | 1993-06-11 | 1996-10-02 | Krohne Ag | Verfahren zur Messung einer Phasendifferenz |
DE4420329C1 (de) * | 1994-06-10 | 1995-10-26 | Hydrometer Gmbh | Verfahren zur Ultraschall-Messung von Durchflußmengen von strömenden Fluiden |
DE19530054C2 (de) * | 1995-08-16 | 1999-06-17 | Hydrometer Gmbh | Verfahren zur Ultraschall-Messung von Durchflußmengen von strömenden Fluiden |
DE10034474C1 (de) * | 2000-07-15 | 2001-10-11 | Flexim Flexible Industriemeste | Verfahren und Vorrichtung zur Charakterisierung eines Fluides oder Gases mittels Ultraschall |
JP4886120B2 (ja) * | 2001-05-16 | 2012-02-29 | 東京計器株式会社 | 超音波流速計 |
DE102005051669B3 (de) * | 2005-10-28 | 2007-04-26 | Mib Gmbh Messtechnik Und Industrieberatung | Durchflussmessverfahren |
JP2010147758A (ja) * | 2008-12-18 | 2010-07-01 | Panasonic Corp | 発振回路 |
DE102015102200B4 (de) | 2015-02-16 | 2022-08-11 | Endress+Hauser Flow Deutschland Ag | Verfahren zur Bestimmung von Eigenschaften eines Mediums und Vorrichtung zur Bestimmung von Eigenschaften eines Mediums |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH604133A5 (enrdf_load_stackoverflow) * | 1977-05-10 | 1978-08-31 | Landis & Gyr Ag |
-
1986
- 1986-10-23 CH CH422586A patent/CH672187A5/de not_active IP Right Cessation
-
1987
- 1987-10-13 DE DE19873734635 patent/DE3734635A1/de active Granted
- 1987-10-21 NL NL8702512A patent/NL192404C/nl not_active IP Right Cessation
- 1987-10-23 DK DK556487A patent/DK166695B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK556487A (da) | 1988-04-24 |
NL8702512A (nl) | 1988-05-16 |
NL192404B (nl) | 1997-03-03 |
DK166695B1 (da) | 1993-06-28 |
CH672187A5 (enrdf_load_stackoverflow) | 1989-10-31 |
DE3734635A1 (de) | 1988-05-05 |
DE3734635C2 (enrdf_load_stackoverflow) | 1989-06-22 |
DK556487D0 (da) | 1987-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL192404C (nl) | Elektronische doorloopvolumemeter voor vloeibare media. | |
US4480485A (en) | Acoustic flowmeter with envelope midpoint tracking | |
CN105890685B (zh) | 一种基于累积相位差的超声波流量测量装置 | |
US3818757A (en) | Dual path ultrasonic fluid flow metering system and method | |
JP4886120B2 (ja) | 超音波流速計 | |
CN101886939A (zh) | 一种时差法超声流量计静态漂移抑制模型及抑制方法 | |
CN103261848B (zh) | 流量测量装置 | |
US3653259A (en) | Ultrasonic flowmeter systems | |
JPS5824816A (ja) | ドツプラ−型超音波流量計 | |
US5598116A (en) | Apparatus for measuring a pulse duration | |
US7027936B2 (en) | Methods for measuring flow by means of an ultra sonic flow meter | |
US6842716B1 (en) | Method and apparatus for measuring the propagation time of a signal, in particular a ultrasonic signal | |
JPS593583A (ja) | 流量計及び流量測定方法 | |
CN201795819U (zh) | 一种时差法超声流量计静态漂移抑制模型 | |
US20070162239A1 (en) | Determination of the transit time difference in an ultrasonic flow sensor with multiple zero crossing detection | |
US3537309A (en) | Fluid velocity measuring system | |
JP4392777B2 (ja) | 測距装置及び測距方法 | |
KR100209726B1 (ko) | 펄스 에지 검출 및 듀티(Duty)비 측정 회로 | |
EP0250660B1 (en) | Fluid velocity measuring method and apparatus | |
CN101413816B (zh) | 用于科里奥利质量流量计的检测方法 | |
JP2571082B2 (ja) | 伝送線路長測定装置 | |
US5710379A (en) | Apparatus and method for determining a flow count | |
CN103792516A (zh) | 测距电路模块 | |
GB2099146A (en) | A phase difference flowmeter | |
JP4485641B2 (ja) | 超音波流量計 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: SIEMENS AKTIENGESELLSCHAFT;LANDIS & STAEFA PRODUKT |
|
TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: LANDIS & GYR (DEUTSCHLAND) GMBH;LANDIS & GYR DEUTS |
|
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20040501 |