ES8700429A1 - Perfeccionamientos en un sensor de flujo de aire para medir el caudal de aire - Google Patents
Perfeccionamientos en un sensor de flujo de aire para medir el caudal de aireInfo
- Publication number
- ES8700429A1 ES8700429A1 ES546030A ES546030A ES8700429A1 ES 8700429 A1 ES8700429 A1 ES 8700429A1 ES 546030 A ES546030 A ES 546030A ES 546030 A ES546030 A ES 546030A ES 8700429 A1 ES8700429 A1 ES 8700429A1
- Authority
- ES
- Spain
- Prior art keywords
- air
- air flow
- impact tube
- flow sensor
- sensors
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
-
- 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
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
-
- 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
-
- 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
- G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F5/00—Measuring a proportion of the volume flow
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
VARIACIONES EN UN SENSOR DE CAUDAL DE AIRE. CONSISTENTES EN PREVER: UN SENSOR (10) DE FLUJO DE AIRE, MOLDEADO EN PLASTICO, QUE COMPRENDE UN CUERPO DE FLUJO DE AIRE (14) TUBULAR, CON NERVADURAS (34) EN SU SUPERFICIE Y AL MENOS DOS DIAMETROS DIFERENTES EN EL INTERIOR, DONDE SE INSERTA EL ELEMENTO VENTURI (18), ADYACENTE A (40); UNA LUMBRERA DE ADMISION (44) SE SITUA ENTRE (38) Y (42) ATRAVESANDO LA PARED DE (14); UNA LUMBRERA DE ESCAPE (46) DE SECCION MAYOR QUE (44), ALINEADA CON ELLA, Y SITUADA ENTRE (38 Y 42) Y UN TUBO DE CHOQUE (16), AERODINAMICO, MOLDEADO JUNTO CON (14) CON DOS RANURAS (50) EN SUS EXTREMOS SIENDO (50) DE LONGITUD IGUAL AL RADIO DEL DIAMETRO INTERIOR DE (14). ES DE APLICACION EN MOTORES DE COMBUSTION INTERNA POR ADMISION O INYECCION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/639,560 US4571996A (en) | 1984-08-10 | 1984-08-10 | Air flow sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
ES546030A0 ES546030A0 (es) | 1986-10-01 |
ES8700429A1 true ES8700429A1 (es) | 1986-10-01 |
Family
ID=24564607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES546030A Expired ES8700429A1 (es) | 1984-08-10 | 1985-08-09 | Perfeccionamientos en un sensor de flujo de aire para medir el caudal de aire |
Country Status (8)
Country | Link |
---|---|
US (1) | US4571996A (es) |
EP (1) | EP0175077B1 (es) |
JP (1) | JPS6148721A (es) |
KR (1) | KR900000580B1 (es) |
AU (1) | AU589131B2 (es) |
CA (1) | CA1232779A (es) |
DE (1) | DE3573015D1 (es) |
ES (1) | ES8700429A1 (es) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739651A (en) * | 1986-07-28 | 1988-04-26 | Air Sensors, Inc. | Throttle body with internally mounted anemometer |
US4870857A (en) * | 1986-07-28 | 1989-10-03 | Airsensors, Inc. | Throttle body with internally mounted anemometer |
US4776213A (en) * | 1987-03-18 | 1988-10-11 | Ford Motor Company | Mass airflow meter |
GB8720357D0 (en) * | 1987-08-28 | 1987-10-07 | Thorn Emi Flow Measurement Ltd | Fluid metering system |
JPH01299416A (ja) * | 1988-05-26 | 1989-12-04 | Cosmo Keiki:Kk | 流量変換装置 |
JPH0232241A (ja) * | 1988-07-21 | 1990-02-02 | Calsonic Corp | 燃料センサ |
US4911008A (en) * | 1988-10-03 | 1990-03-27 | Allied-Signal Inc. | Hot film anemometer |
JP2846518B2 (ja) * | 1992-03-18 | 1999-01-13 | 株式会社日立製作所 | 空気流量検出器及びそれを使用したエンジン制御装置 |
US5383356A (en) * | 1993-04-08 | 1995-01-24 | Ford Motor Company | Mass air flow sensor arrangement having increased dynamic range |
DE4324659C1 (de) * | 1993-07-22 | 1995-04-06 | Siemens Ag | Sensor mit einem in einem Gehäuse angeordneten Sensorelement |
JP3260552B2 (ja) * | 1994-05-30 | 2002-02-25 | 株式会社日立製作所 | 発熱抵抗式空気流量測定装置 |
US5939628A (en) * | 1995-05-30 | 1999-08-17 | Hitachi, Ltd. | Thermal type air flow measuring instrument for internal combustion engine |
US5789673A (en) * | 1993-09-14 | 1998-08-04 | Hitachi, Ltd. | Thermal type air flow measuring instrument for internal combustion engine |
US5383357A (en) * | 1993-12-20 | 1995-01-24 | Doll; John A. | Mass air flow sensor device |
ES2099015B1 (es) * | 1994-03-28 | 1997-12-16 | Ford Motor Co | Sensor de flujo de aire de montaje a distancia. |
US5537870A (en) * | 1994-10-03 | 1996-07-23 | Ford Motor Company | Contaminant free backflow reducing insert for mass air flow sensors |
US5763764A (en) * | 1995-01-06 | 1998-06-09 | Snap-On Technologies, Inc. | Evaporative emission tester |
JPH0744826U (ja) * | 1995-03-20 | 1995-11-28 | 株式会社ユニシアジェックス | 吸入空気流量検出装置 |
JP3318855B2 (ja) * | 1995-04-21 | 2002-08-26 | 三菱電機株式会社 | カルマン渦式流量計 |
US5918268A (en) * | 1995-07-07 | 1999-06-29 | Intelligent Controls, Inc. | Line leak detection |
US5676132A (en) * | 1995-12-05 | 1997-10-14 | Pulmonary Interface, Inc. | Pulmonary interface system |
US5804718A (en) * | 1996-04-24 | 1998-09-08 | Denso Corporation | Airflow meter having an inverted u-shape bypass passage |
DE19942502A1 (de) * | 1999-09-07 | 2001-03-08 | Bosch Gmbh Robert | Vorrichtung zur Messung von zumindest einem Parameter eines in einer Leitung strömenden Mediums |
JP3468731B2 (ja) * | 2000-01-14 | 2003-11-17 | 株式会社日立製作所 | 熱式空気流量センサ、素子および内燃機関制御装置 |
JP3782669B2 (ja) * | 2001-02-28 | 2006-06-07 | 株式会社日立製作所 | 熱式流量測定装置 |
JP3709385B2 (ja) * | 2002-07-01 | 2005-10-26 | 株式会社日立製作所 | 内燃機関用気体流量測定装置 |
DE10316342A1 (de) * | 2003-04-10 | 2004-10-28 | Daimlerchrysler Ag | Massenstrommessvorrichtung |
JP4140553B2 (ja) * | 2004-04-28 | 2008-08-27 | 株式会社デンソー | 空気流量測定装置 |
US7302843B2 (en) * | 2005-07-19 | 2007-12-04 | C & L Performance, Inc. | Mass air flow housing for mass air flow sensor |
US20070163331A1 (en) * | 2006-01-19 | 2007-07-19 | Delaware Capital Formation, Inc. | Line leak detector |
US7726186B2 (en) * | 2006-07-19 | 2010-06-01 | Degree Controls, Inc. | Airflow sensor for filter blockage detection |
US7359795B2 (en) * | 2006-08-28 | 2008-04-15 | Ard Technology, Llc | Calibration method for air intake tracts for internal combustion engines |
DE102006045656A1 (de) * | 2006-09-27 | 2008-04-03 | Robert Bosch Gmbh | Strömungsdynamisch verbesserter Steckfühler |
DE102006045657A1 (de) * | 2006-09-27 | 2008-04-03 | Robert Bosch Gmbh | Steckfühler mit optimiertem Strömungsauslass |
DE102007035187A1 (de) * | 2007-07-27 | 2009-01-29 | Continental Automotive Gmbh | Luftmassenmesser |
JP2009063391A (ja) * | 2007-09-06 | 2009-03-26 | Hitachi Ltd | 発熱抵抗体式空気流量測定装置が装着される吸気系部品 |
US8316695B2 (en) * | 2009-05-08 | 2012-11-27 | Delaware Capital Formation, Inc. | Line leak detector and method of using same |
US8850872B2 (en) | 2009-05-08 | 2014-10-07 | Opw Fuel Management Systems, Inc. | Line leak detector and method of using same |
US8061219B2 (en) * | 2010-03-02 | 2011-11-22 | Schlumberger Technology Corporation | Flow restriction insert for differential pressure measurement |
US20130298882A1 (en) * | 2012-05-14 | 2013-11-14 | Caterpillar, Inc. | EGR with Temperature Controlled Venturi Flow Meter |
JP6690899B2 (ja) * | 2015-06-29 | 2020-04-28 | 株式会社デンソー | 空気流量測定装置 |
GB2568041B (en) * | 2017-10-30 | 2022-11-30 | Zehnder Group Uk Ltd | Air flow sensor |
US10379012B2 (en) * | 2018-01-17 | 2019-08-13 | Richard John McNamara | System for converting propelling thrust to produce a continuous flow |
DE102020119757A1 (de) | 2020-07-27 | 2022-01-27 | Innovative Sensor Technology Ist Ag | Thermischer Strömungssensor |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US26410A (en) * | 1859-12-13 | Improvement in seed-planters | ||
DE1222292B (de) * | 1962-07-05 | 1966-08-04 | Bergwerksverband Gmbh | Geraet zur Messung der Geschwindigkeit stroemender Gase, insbesondere zur Messung von Wettergeschwindigkeiten im Bergbau |
US3443434A (en) * | 1967-03-30 | 1969-05-13 | Teledyne Inc | Fluid flow measuring apparatus |
US3559482A (en) * | 1968-11-27 | 1971-02-02 | Teledyne Inc | Fluid flow measuring apparatus |
US3616693A (en) * | 1969-06-16 | 1971-11-02 | Fischer & Porter Co | Swirl-type flowmeter |
US3618383A (en) * | 1969-11-13 | 1971-11-09 | Grinnell Corp | Recirculating fluid supply system with flow measuring means |
US3688576A (en) * | 1970-07-24 | 1972-09-05 | Illinois Testing Laboratories | Improved air velocity measuring system and method for its calibration |
US3702566A (en) * | 1970-10-16 | 1972-11-14 | Illinois Testing Laboratories | High air velocity measuring system having thermotransducer |
US3719080A (en) * | 1971-06-07 | 1973-03-06 | Fischer & Porter Co | Sensor probe and shield assembly for swirl-type flowmeter |
US3992940A (en) * | 1973-11-02 | 1976-11-23 | Chrysler Corporation | Solid state fluid flow sensor |
US4056977A (en) * | 1976-04-29 | 1977-11-08 | Chrysler Corporation | Swirler for a fluid flowmeter and method of making same |
JPS52143858A (en) * | 1976-05-26 | 1977-11-30 | Hitachi Ltd | Air flow meter of internal combustion engine |
US4089215A (en) * | 1977-04-01 | 1978-05-16 | Autotronic Controls, Corp. | Air flow transducer |
US4215565A (en) * | 1977-09-01 | 1980-08-05 | Agar Instrumentation Inc. | Method and apparatus for testing a fluid |
DE2750050C2 (de) * | 1977-11-09 | 1983-12-08 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Luftmengenmessung |
FR2439388A1 (fr) * | 1978-10-20 | 1980-05-16 | Bosch Gmbh Robert | Installation pour mesurer la masse d'un fluide en ecoulement |
US4304129A (en) * | 1978-11-13 | 1981-12-08 | Nippon Soken, Inc. | Gas flow measuring apparatus |
JPS6045806B2 (ja) * | 1979-08-22 | 1985-10-12 | 株式会社日立製作所 | 発熱抵抗体を用いた空気流量計 |
US4282751A (en) * | 1979-08-29 | 1981-08-11 | Eaton Corporation | Fluid flowmeter |
JPS5677716A (en) * | 1979-11-29 | 1981-06-26 | Hitachi Ltd | Detector for amount of sucked air |
JPS56108908A (en) * | 1980-01-31 | 1981-08-28 | Hitachi Ltd | Detector for sucked air flow rate of internal combustion engine |
JPS604408B2 (ja) * | 1980-11-19 | 1985-02-04 | 日産自動車株式会社 | カルマン渦流量計 |
US4418568A (en) * | 1981-09-10 | 1983-12-06 | Eaton Corporation | Hot film fluid flowmeter with auxiliary flow sensing |
JPS58105013A (ja) * | 1981-12-18 | 1983-06-22 | Hitachi Ltd | 熱線式流量計 |
-
1984
- 1984-08-10 US US06/639,560 patent/US4571996A/en not_active Expired - Fee Related
-
1985
- 1985-07-08 EP EP85108434A patent/EP0175077B1/en not_active Expired
- 1985-07-08 DE DE8585108434T patent/DE3573015D1/de not_active Expired
- 1985-07-23 CA CA000487296A patent/CA1232779A/en not_active Expired
- 1985-08-06 AU AU45841/85A patent/AU589131B2/en not_active Ceased
- 1985-08-08 KR KR1019850005712A patent/KR900000580B1/ko not_active IP Right Cessation
- 1985-08-09 ES ES546030A patent/ES8700429A1/es not_active Expired
- 1985-08-09 JP JP60174408A patent/JPS6148721A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR860002006A (ko) | 1986-03-24 |
JPS6148721A (ja) | 1986-03-10 |
AU4584185A (en) | 1986-02-13 |
KR900000580B1 (ko) | 1990-01-31 |
DE3573015D1 (en) | 1989-10-19 |
ES546030A0 (es) | 1986-10-01 |
CA1232779A (en) | 1988-02-16 |
EP0175077A1 (en) | 1986-03-26 |
EP0175077B1 (en) | 1989-09-13 |
US4571996A (en) | 1986-02-25 |
AU589131B2 (en) | 1989-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970303 |