DE68903678T2 - Einrichtung zur messung des durchflusses von fluessigkeiten. - Google Patents
Einrichtung zur messung des durchflusses von fluessigkeiten.Info
- Publication number
- DE68903678T2 DE68903678T2 DE8989201249T DE68903678T DE68903678T2 DE 68903678 T2 DE68903678 T2 DE 68903678T2 DE 8989201249 T DE8989201249 T DE 8989201249T DE 68903678 T DE68903678 T DE 68903678T DE 68903678 T2 DE68903678 T2 DE 68903678T2
- Authority
- DE
- Germany
- Prior art keywords
- tube
- flow
- measuring
- fluid
- temperature
- 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 - Fee Related
Links
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
- G01F1/68—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 thermal effects
-
- 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
- G01F1/68—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 thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8801277 | 1988-05-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68903678D1 DE68903678D1 (de) | 1993-01-14 |
DE68903678T2 true DE68903678T2 (de) | 1993-04-22 |
Family
ID=19852311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989201249T Expired - Fee Related DE68903678T2 (de) | 1988-05-18 | 1989-05-17 | Einrichtung zur messung des durchflusses von fluessigkeiten. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4972707A (de) |
EP (1) | EP0342763B1 (de) |
JP (1) | JP2559848B2 (de) |
CN (1) | CN1019146B (de) |
AT (1) | ATE83072T1 (de) |
CA (1) | CA1320359C (de) |
DE (1) | DE68903678T2 (de) |
ES (1) | ES2037393T3 (de) |
GR (1) | GR3006629T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011120899A1 (de) * | 2011-12-12 | 2013-06-13 | Karlsruher Institut für Technologie | Vorrichtung und Verfahren zur Bestimmung des Massenstroms eines Fluids |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8900474A (nl) * | 1989-02-24 | 1990-09-17 | Bronkhorst High Tech Bv | Massa-debietmeter met temperatuursensoren. |
US5237866A (en) * | 1991-05-10 | 1993-08-24 | Brooks Instrument B.V. | Flow sensor for measuring high fluid flow rates |
KR940011791B1 (ko) * | 1992-04-15 | 1994-12-26 | 금성일렉트론주식회사 | 온도안정화 매스 플로우 컨트롤러 센서 |
DE4335332A1 (de) * | 1993-10-18 | 1995-04-20 | Bitop Gmbh | Verfahren und Vorrichtung zur insbesondere nicht invasiven Ermittlung mindestens eines interessierenden Parameters eines Fluid-Rohr-Systems |
NL1001674C2 (nl) * | 1995-11-17 | 1997-05-21 | Berkin Bv | Debietmeter. |
US5868159A (en) * | 1996-07-12 | 1999-02-09 | Mks Instruments, Inc. | Pressure-based mass flow controller |
NL1014797C2 (nl) * | 2000-03-30 | 2001-10-02 | Berkin Bv | Massadebietmeter. |
DE10031813C2 (de) * | 2000-06-30 | 2002-08-01 | Fafnir Gmbh | Verfahren und Vorrichtung zum Bestimmen des Durchflusses eines Gasgemisches |
JP4502256B2 (ja) * | 2004-09-07 | 2010-07-14 | 株式会社山武 | 流量センサ |
US8302471B2 (en) * | 2005-12-02 | 2012-11-06 | Melexis Nv | Calorimetric flow meter having high heat conductivity strips |
US20090077862A1 (en) | 2007-09-25 | 2009-03-26 | Schwab Scott D | Lubricity additives and methods of producing lubricity additives |
US7971480B2 (en) * | 2008-10-13 | 2011-07-05 | Hitachi Metals, Ltd. | Mass flow controller having a first pair of thermal sensing elements opposing a second pair of thermal sensing elements |
JP2013026283A (ja) * | 2011-07-15 | 2013-02-04 | Toshiba Corp | 干渉露光装置 |
KR101261627B1 (ko) * | 2011-12-07 | 2013-05-06 | 인제대학교 산학협력단 | 열 유속 측정 장치 및 이를 포함하는 열 유속 측정 시스템 |
DE102012201214A1 (de) * | 2012-01-27 | 2013-08-01 | Siemens Aktiengesellschaft | Durchfluss-Sensor |
DE102014101792A1 (de) * | 2014-02-13 | 2015-08-13 | Aixtron Se | Vorrichtung zum Bestimmen des Massenflusses eines Gases beziehungsweise Gasgemisches mit ineinandergeschachtelten rohrförmigen Filamentanordnungen |
JP2017173143A (ja) * | 2016-03-24 | 2017-09-28 | セイコーエプソン株式会社 | 流量検出装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2594618A (en) * | 1945-08-11 | 1952-04-29 | Atomic Energy Commission | Thermal flowmeter |
BE622482A (de) * | 1962-08-31 | |||
US3650151A (en) * | 1970-11-18 | 1972-03-21 | Tylan Corp | Fluid flow measuring system |
DE2856289A1 (de) * | 1978-12-27 | 1980-07-17 | Babcock Bsh Ag | Verfahren und vorrichtung zur thermischen massenstrommessung |
EP0014934B1 (de) * | 1979-02-17 | 1984-08-01 | Battelle-Institut e.V. | Vorrichtung zur Messung des Massenflusses und des Wärmeflusses sowie Verfahren zur Bestimmung des Massenflusses |
NL7902313A (nl) * | 1979-03-23 | 1980-09-25 | Kema Nv | Warmtehoeveelheidsmeter. |
US4270386A (en) * | 1979-08-23 | 1981-06-02 | Teledyne, Inc. | Indirectly heated thermal flowmeter |
US4440021A (en) * | 1980-07-29 | 1984-04-03 | Abouchar John W | Mass flow meter with reduced attitude sensitivity |
GB2107475B (en) * | 1981-09-26 | 1985-08-21 | Joshua Swithenbank | Measuring fluid flow |
US4686856A (en) * | 1983-02-28 | 1987-08-18 | Vavra Randall J | Mass flow meter |
-
1989
- 1989-05-15 US US07/351,600 patent/US4972707A/en not_active Expired - Lifetime
- 1989-05-17 CA CA000599939A patent/CA1320359C/en not_active Expired - Fee Related
- 1989-05-17 DE DE8989201249T patent/DE68903678T2/de not_active Expired - Fee Related
- 1989-05-17 AT AT89201249T patent/ATE83072T1/de not_active IP Right Cessation
- 1989-05-17 EP EP89201249A patent/EP0342763B1/de not_active Expired - Lifetime
- 1989-05-17 ES ES198989201249T patent/ES2037393T3/es not_active Expired - Lifetime
- 1989-05-18 CN CN89104403A patent/CN1019146B/zh not_active Expired
- 1989-05-18 JP JP1125489A patent/JP2559848B2/ja not_active Expired - Lifetime
-
1992
- 1992-12-22 GR GR920402146T patent/GR3006629T3/el unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011120899A1 (de) * | 2011-12-12 | 2013-06-13 | Karlsruher Institut für Technologie | Vorrichtung und Verfahren zur Bestimmung des Massenstroms eines Fluids |
WO2013087174A1 (de) | 2011-12-12 | 2013-06-20 | Karlsruher Institut für Technologie | Vorrichtung und verfahren zur bestimmung des massenstroms eines fluids |
DE102011120899B4 (de) * | 2011-12-12 | 2015-08-20 | Karlsruher Institut für Technologie | Verfahren und Verwendung einer Vorrichtung zur Bestimmung des Massenstroms eines Fluids |
Also Published As
Publication number | Publication date |
---|---|
CA1320359C (en) | 1993-07-20 |
CN1019146B (zh) | 1992-11-18 |
ES2037393T3 (es) | 1993-06-16 |
US4972707A (en) | 1990-11-27 |
EP0342763A1 (de) | 1989-11-23 |
CN1038160A (zh) | 1989-12-20 |
JPH0219715A (ja) | 1990-01-23 |
ATE83072T1 (de) | 1992-12-15 |
GR3006629T3 (de) | 1993-06-30 |
JP2559848B2 (ja) | 1996-12-04 |
DE68903678D1 (de) | 1993-01-14 |
EP0342763B1 (de) | 1992-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |