ATE38433T1 - Elektronisches messgeraet fuer den quadratwurzelfehler. - Google Patents
Elektronisches messgeraet fuer den quadratwurzelfehler.Info
- Publication number
- ATE38433T1 ATE38433T1 AT85301424T AT85301424T ATE38433T1 AT E38433 T1 ATE38433 T1 AT E38433T1 AT 85301424 T AT85301424 T AT 85301424T AT 85301424 T AT85301424 T AT 85301424T AT E38433 T1 ATE38433 T1 AT E38433T1
- Authority
- AT
- Austria
- Prior art keywords
- square root
- circuitry
- differential pressure
- signal corresponding
- orifice
- Prior art date
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
- G01F1/05—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 mechanical effects
- G01F1/34—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 mechanical effects by measuring pressure or differential pressure
- G01F1/50—Correcting or compensating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Structure Of Printed Boards (AREA)
- Telephone Function (AREA)
- Details Of Resistors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/588,113 US4654813A (en) | 1984-03-09 | 1984-03-09 | Electronic square root error indicator |
EP85301424A EP0154531B1 (de) | 1984-03-09 | 1985-03-01 | Elektronisches Messgerät für den Quadratwurzelfehler |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE38433T1 true ATE38433T1 (de) | 1988-11-15 |
Family
ID=24352536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT85301424T ATE38433T1 (de) | 1984-03-09 | 1985-03-01 | Elektronisches messgeraet fuer den quadratwurzelfehler. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4654813A (de) |
EP (1) | EP0154531B1 (de) |
AT (1) | ATE38433T1 (de) |
DE (1) | DE3566039D1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4922852A (en) * | 1986-10-30 | 1990-05-08 | Nordson Corporation | Apparatus for dispensing fluid materials |
US4992946A (en) * | 1988-06-20 | 1991-02-12 | General Electric Company | Data link for gas turbine engine control |
US5199306A (en) * | 1990-11-16 | 1993-04-06 | Hunter Robert M | Method and apparatus for metering flow in closed conduits that surcharge |
AU6130694A (en) * | 1991-03-05 | 1994-08-15 | Miris Medical Corporation | An automatic aerosol medication delivery system and methods |
US5450336A (en) * | 1991-03-05 | 1995-09-12 | Aradigm Corporation | Method for correcting the drift offset of a transducer |
US5509313A (en) * | 1994-09-30 | 1996-04-23 | United Sciences, Inc. | Method for measuring flow rate and direction of a fluid in a conduit |
US5763764A (en) * | 1995-01-06 | 1998-06-09 | Snap-On Technologies, Inc. | Evaporative emission tester |
US5563353A (en) * | 1995-01-23 | 1996-10-08 | Westinghouse Air Brake Company | Software nullification of transducer induced offset errors within a flow rate measurement system |
US20020088822A1 (en) * | 1995-08-14 | 2002-07-11 | Dresser, Inc. | Multiproduct fuel dispenser using a common meter |
US5963883A (en) * | 1997-04-09 | 1999-10-05 | Westinghouse Air Brake Company | Modified airflow algorithm with compensation for variations in main reservoir air pressure and ambient airflow |
DE19853262A1 (de) * | 1998-11-18 | 2000-05-25 | Bsh Bosch Siemens Hausgeraete | Regelung der Brennerheizleistung bei einem gasbetriebenen Koch- oder Backgerät |
CA2362631A1 (en) * | 1999-02-25 | 2000-08-31 | Rosemount Inc. | Flow measurement with diagnostics |
US20010037724A1 (en) | 2000-03-08 | 2001-11-08 | Schumacher Mark S. | System for controlling hydraulic actuator |
EP1269027B1 (de) | 2000-03-08 | 2005-07-27 | Rosemount Inc. | Bidirektionaler differenzdruck- durchflusssensor |
WO2001066956A2 (en) * | 2000-03-08 | 2001-09-13 | Rosemount Inc. | System for controlling hydraulic actuator |
AU2001241641A1 (en) * | 2000-03-08 | 2001-09-17 | Rosemount, Inc. | Piston position measuring device |
US6588313B2 (en) | 2001-05-16 | 2003-07-08 | Rosemont Inc. | Hydraulic piston position sensor |
US6904386B2 (en) * | 2002-10-07 | 2005-06-07 | Honeywell International Inc. | Control system and method for detecting plugging in differential pressure cells |
US6813588B1 (en) * | 2003-03-31 | 2004-11-02 | Honeywell International Inc. | Control system and method for detecting plugging in differential pressure cells |
US20050267413A1 (en) * | 2004-05-26 | 2005-12-01 | Wang Jong H | Flow monitoring devices and methods of use |
US7770459B2 (en) * | 2007-07-20 | 2010-08-10 | Rosemount Inc. | Differential pressure diagnostic for process fluid pulsations |
CN101802314B (zh) * | 2007-07-20 | 2013-05-29 | 罗斯蒙德公司 | 过程流体脉动的差压诊断 |
US20090093774A1 (en) * | 2007-10-04 | 2009-04-09 | Baxter International Inc. | Ambulatory pump with intelligent flow control |
US8215157B2 (en) * | 2007-10-04 | 2012-07-10 | Baxter International Inc. | System and method for measuring liquid viscosity in a fluid delivery system |
WO2009155307A2 (en) * | 2008-06-18 | 2009-12-23 | Rosemount Incorporated | Detection of distillation column flooding |
US10823593B2 (en) | 2018-03-09 | 2020-11-03 | Sensors, Inc. | Engine exhaust flow measurement with pulsation compensation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3278728A (en) * | 1962-11-06 | 1966-10-11 | Sam P Ragsdale | Gas weight flow computer |
US3444736A (en) * | 1966-07-22 | 1969-05-20 | Statham Instrument Inc | Square root responsive pressure transducers |
US3934127A (en) * | 1974-10-23 | 1976-01-20 | International Telephone And Telegraph Corporation | Gravitometers |
US4250553A (en) * | 1979-03-05 | 1981-02-10 | The Perkin-Elmer Corporation | Fluid flow measurement system |
US4277832A (en) * | 1979-10-01 | 1981-07-07 | General Electric Company | Fluid flow control system |
US4337668A (en) * | 1980-12-05 | 1982-07-06 | Sun Gas Company | Orifice wear compensation |
US4388691A (en) * | 1981-01-23 | 1983-06-14 | The Babcock & Wilcox Company | Velocity pressure averaging system |
US4409660A (en) * | 1981-03-03 | 1983-10-11 | Fischer & Porter Company | Electronic totalizer |
US4414634A (en) * | 1981-07-17 | 1983-11-08 | The Scott & Fetzer Company | Fluid flow totalizer |
DE3203986A1 (de) * | 1982-02-05 | 1983-08-18 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur messung des durchflusses eines mediums |
-
1984
- 1984-03-09 US US06/588,113 patent/US4654813A/en not_active Expired - Lifetime
-
1985
- 1985-03-01 AT AT85301424T patent/ATE38433T1/de not_active IP Right Cessation
- 1985-03-01 DE DE8585301424T patent/DE3566039D1/de not_active Expired
- 1985-03-01 EP EP85301424A patent/EP0154531B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4654813A (en) | 1987-03-31 |
EP0154531B1 (de) | 1988-11-02 |
DE3566039D1 (en) | 1988-12-08 |
EP0154531A1 (de) | 1985-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE38433T1 (de) | Elektronisches messgeraet fuer den quadratwurzelfehler. | |
NO996445L (no) | Måling av stroemningsfraksjoner, stroemningshastigheter og stroemningsmengder av et flerfasefluid ved benyttelse av NMR- avfoeling | |
US3588481A (en) | Digital multiplying circuit | |
DK56593D0 (da) | Stroemningsmaaler | |
ATE68594T1 (de) | Anordnung zur durchflussmessung. | |
GB1277597A (en) | Improvements in and relating to electrical measuring probes and devices with such probes | |
DE59914171D1 (de) | Vorrichtung zum Messen des Durchflusses eines Messmediums durch ein Messrohr | |
JPS58189518A (ja) | 質量流量計 | |
JPS5596422A (en) | Flow rate measuring device | |
CN212320858U (zh) | 非满管流量计生产测试装置 | |
SU669268A1 (ru) | Способ измерени в зкости жидкости | |
JPS55109917A (en) | Flow rate measurement system for river or the like | |
SU805120A1 (ru) | Устройство дл измерени кинема-ТичЕСКОй В зКОСТи жидКОСТЕй | |
SU414487A1 (de) | ||
SU901853A1 (ru) | Теплосчетчик | |
ES2103225A1 (es) | Perfeccionamientos para contadores de fluidos. | |
DE19623702A1 (de) | Einrichtung zur Messung von Durchflüssen nach dem Wirkdruckprinzip | |
Walski | Measuring differential pressure accurately in water distribution systems | |
JPS51126175A (en) | Device for measuring velority of flow | |
PFAU | Optimization of the position of the measurement section in integrating flow-measurement techniques(Optimal measurement location for integrating pipe flowmeters, exemplifying by linearly integrating ultrasonic flowmeter) | |
DRUBKA | Analysis of temperature compensating circuits for hot-wires and hot-films[Interim Technical Report, 1 Jan. 1976- 1 Jun. 1977] | |
Stansfeld | Measurement of Fluid Density | |
CS255133B1 (cs) | Zařízení pro měření hmotnostního průtoku suspenze | |
JPS52110061A (en) | Flow meter | |
JPS56128422A (en) | Water gauge |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |