DK0584242T3 - Apparat til kalibrering af en gennemstrømsstyreindretning - Google Patents
Apparat til kalibrering af en gennemstrømsstyreindretningInfo
- Publication number
- DK0584242T3 DK0584242T3 DK92912577.1T DK92912577T DK0584242T3 DK 0584242 T3 DK0584242 T3 DK 0584242T3 DK 92912577 T DK92912577 T DK 92912577T DK 0584242 T3 DK0584242 T3 DK 0584242T3
- Authority
- DK
- Denmark
- Prior art keywords
- mass flow
- command
- signal
- flow controller
- analog
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Flow Control (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Volume Flow (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Details Of Flowmeters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70201791A | 1991-05-17 | 1991-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0584242T3 true DK0584242T3 (da) | 1996-07-22 |
Family
ID=24819559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK92912577.1T DK0584242T3 (da) | 1991-05-17 | 1992-05-15 | Apparat til kalibrering af en gennemstrømsstyreindretning |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP0584242B1 (da) |
JP (1) | JPH06508207A (da) |
AT (1) | ATE135459T1 (da) |
DE (1) | DE69209066T2 (da) |
DK (1) | DK0584242T3 (da) |
WO (1) | WO1992021006A2 (da) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0711430A1 (en) * | 1992-06-12 | 1996-05-15 | Unit Instruments, Inc. | Mass flow controller |
JP3463757B2 (ja) * | 1993-04-08 | 2003-11-05 | 株式会社日立製作所 | エンジン制御装置及びこれに用いる空気流量計 |
US5944048A (en) * | 1996-10-04 | 1999-08-31 | Emerson Electric Co. | Method and apparatus for detecting and controlling mass flow |
US5911238A (en) * | 1996-10-04 | 1999-06-15 | Emerson Electric Co. | Thermal mass flowmeter and mass flow controller, flowmetering system and method |
US6443174B2 (en) | 2000-07-08 | 2002-09-03 | Daniel T. Mudd | Fluid mass flow control valve and method of operation |
WO2002008845A1 (en) | 2000-07-25 | 2002-01-31 | Fugasity Corporation | Small internal volume fluid mass flow control apparatus |
US6539968B1 (en) | 2000-09-20 | 2003-04-01 | Fugasity Corporation | Fluid flow controller and method of operation |
US6822731B1 (en) | 2003-06-18 | 2004-11-23 | Asml Holding N.V. | Method and apparatus for a pellicle frame with heightened bonding surfaces |
US7277802B1 (en) * | 2006-05-18 | 2007-10-02 | Honeywell International Inc. | Method and system for providing a linear signal from a mass flow transducer |
US7280927B1 (en) * | 2006-10-11 | 2007-10-09 | Honeywell International Inc. | Method and system for providing a linear signal from a mass airflow and/or liquid flow transducer |
US9188989B1 (en) | 2011-08-20 | 2015-11-17 | Daniel T. Mudd | Flow node to deliver process gas using a remote pressure measurement device |
US9958302B2 (en) | 2011-08-20 | 2018-05-01 | Reno Technologies, Inc. | Flow control system, method, and apparatus |
WO2014040002A2 (en) | 2012-09-10 | 2014-03-13 | Mudd Daniel T | Pressure based mass flow controller |
JP6526374B2 (ja) * | 2013-04-25 | 2019-06-05 | 株式会社堀場エステック | 流体制御装置 |
US10303189B2 (en) | 2016-06-30 | 2019-05-28 | Reno Technologies, Inc. | Flow control system, method, and apparatus |
US10838437B2 (en) | 2018-02-22 | 2020-11-17 | Ichor Systems, Inc. | Apparatus for splitting flow of process gas and method of operating same |
US11144075B2 (en) | 2016-06-30 | 2021-10-12 | Ichor Systems, Inc. | Flow control system, method, and apparatus |
US10679880B2 (en) | 2016-09-27 | 2020-06-09 | Ichor Systems, Inc. | Method of achieving improved transient response in apparatus for controlling flow and system for accomplishing same |
US10663337B2 (en) | 2016-12-30 | 2020-05-26 | Ichor Systems, Inc. | Apparatus for controlling flow and method of calibrating same |
JP6940441B2 (ja) * | 2018-03-27 | 2021-09-29 | アズビル株式会社 | 熱式フローセンサ装置および流量補正方法 |
JP6940442B2 (ja) * | 2018-03-27 | 2021-09-29 | アズビル株式会社 | 熱式フローセンサ装置および流量補正方法 |
WO2022186971A1 (en) | 2021-03-03 | 2022-09-09 | Ichor Systems, Inc. | Fluid flow control system comprising a manifold assembly |
CN113776571B (zh) * | 2021-07-30 | 2023-06-27 | 华电电力科学研究院有限公司 | 一种电厂热工监测仪表在线校验方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4884215A (en) * | 1987-02-27 | 1989-11-28 | Jabil Circuit Company | Airflow sensor and control circuit |
US4860583A (en) * | 1988-05-27 | 1989-08-29 | Dwyer Instruments, Inc. | Air velocity transmitter device |
US5065695A (en) * | 1989-06-16 | 1991-11-19 | Nordson Corporation | Apparatus for compensating for non-linear flow characteristics in dispensing a coating material |
-
1992
- 1992-05-15 EP EP92912577A patent/EP0584242B1/en not_active Expired - Lifetime
- 1992-05-15 DK DK92912577.1T patent/DK0584242T3/da active
- 1992-05-15 EP EP95113669A patent/EP0689040A3/en not_active Withdrawn
- 1992-05-15 DE DE69209066T patent/DE69209066T2/de not_active Expired - Fee Related
- 1992-05-15 JP JP5500224A patent/JPH06508207A/ja active Pending
- 1992-05-15 AT AT92912577T patent/ATE135459T1/de not_active IP Right Cessation
- 1992-05-15 WO PCT/US1992/004110 patent/WO1992021006A2/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ATE135459T1 (de) | 1996-03-15 |
EP0584242B1 (en) | 1996-03-13 |
EP0689040A2 (en) | 1995-12-27 |
WO1992021006A2 (en) | 1992-11-26 |
JPH06508207A (ja) | 1994-09-14 |
DE69209066T2 (de) | 1996-08-08 |
EP0584242A1 (en) | 1994-03-02 |
WO1992021006A3 (en) | 1993-01-07 |
DE69209066D1 (de) | 1996-04-18 |
EP0689040A3 (en) | 1996-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK0584242T3 (da) | Apparat til kalibrering af en gennemstrømsstyreindretning | |
NO914098L (no) | Apparat og metode for aa kalibrere et sensorsystem | |
HK1047311A1 (zh) | 具有校正非線性感測區的位置探測裝置 | |
KR900015528A (ko) | 촬상장치 | |
JPS561923A (en) | Stabilizing method for quantity of light in optical system using light deflecting element | |
AU636940B2 (en) | Analog-to-digital converter | |
KR970058038A (ko) | 휘도 변화에 따른 색좌표 보정 장치 및 그 제어 방법 | |
DE69322580T2 (de) | Verfahren und Einrichtung zur Steuerung einer Anzeige | |
DE3770094D1 (de) | Waermespeicherheizgeraet und verfahren zur regelung der raumtemperatur. | |
FR2680883B1 (fr) | Procede et dispositif de commande d'un convertisseur de longueur d'onde optique. | |
GB2026271A (en) | Automatically correcting incorrect results delivered by a data acquisition or restitution system | |
JPS57132031A (en) | Correction system for output of infrared ray detecting elenent | |
AU648620B2 (en) | Memory card switching system | |
SE7802097L (sv) | Sjelvinstellande regulator | |
JP3115358B2 (ja) | 圧力制御装置 | |
KR960008399B1 (en) | Error correcting apparatus of a control voltage in a video camera | |
KR100308167B1 (ko) | 디젤엔진용 전자제어식 연료분사장치의 입력센서 데이터 처리방법 | |
JP3038255B2 (ja) | カメラの絞り制御装置 | |
JPH0786536B2 (ja) | 媒体検出用フォトセンサ回路 | |
JPS6451506A (en) | Servo control system | |
KR930022817A (ko) | 화상독취장치 및 제어방법 | |
JP2550649Y2 (ja) | トリガ信号発生回路 | |
JPH03293530A (ja) | デジタル校正装置 | |
KR19990031797A (ko) | 줌 렌즈 구동 장치 | |
JPS5651611A (en) | Ad converter for fetching air flow sensor output |