DE3246523C2 - - Google Patents
Info
- Publication number
- DE3246523C2 DE3246523C2 DE3246523A DE3246523A DE3246523C2 DE 3246523 C2 DE3246523 C2 DE 3246523C2 DE 3246523 A DE3246523 A DE 3246523A DE 3246523 A DE3246523 A DE 3246523A DE 3246523 C2 DE3246523 C2 DE 3246523C2
- Authority
- DE
- Germany
- Prior art keywords
- speed
- free
- burning
- signal
- free burning
- 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 - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000015654 memory Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims 1
- 230000008569 process Effects 0.000 description 6
- 238000000137 annealing Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000007084 catalytic combustion reaction Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
- F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
- G01F1/6983—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters adapted for burning-off deposits
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Volume Flow (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823246523 DE3246523A1 (de) | 1982-12-16 | 1982-12-16 | Verfahreen und vorrichtung zum gesteuerten freibrennen eines messzwecken dienenden wiederstands |
JP58227123A JPS59111017A (ja) | 1982-12-16 | 1983-12-02 | 測定用抵抗の焼き払い制御方法及び装置 |
GB08333428A GB2132360B (en) | 1982-12-16 | 1983-12-15 | Control of the burning-off of deposits on an engine air-flow measuring resistor |
US06/713,576 US4579098A (en) | 1982-12-16 | 1985-03-19 | Method of and device for controlling the burn-off of a measuring resistor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823246523 DE3246523A1 (de) | 1982-12-16 | 1982-12-16 | Verfahreen und vorrichtung zum gesteuerten freibrennen eines messzwecken dienenden wiederstands |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3246523A1 DE3246523A1 (de) | 1984-06-20 |
DE3246523C2 true DE3246523C2 ( ) | 1991-08-01 |
Family
ID=6180795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823246523 Granted DE3246523A1 (de) | 1982-12-16 | 1982-12-16 | Verfahreen und vorrichtung zum gesteuerten freibrennen eines messzwecken dienenden wiederstands |
Country Status (4)
Country | Link |
---|---|
US (1) | US4579098A ( ) |
JP (1) | JPS59111017A ( ) |
DE (1) | DE3246523A1 ( ) |
GB (1) | GB2132360B ( ) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS603521A (ja) * | 1983-06-21 | 1985-01-09 | Nissan Motor Co Ltd | 内燃機関の熱線式空気流量計の制御装置 |
KR900001427B1 (ko) * | 1986-03-31 | 1990-03-09 | 미쓰비시전기주식회사 | 연료 제어장치 |
KR900001430B1 (ko) * | 1986-04-01 | 1990-03-09 | 미쓰비시전기 주식회사 | 연료제어장치 |
JPS62249013A (ja) * | 1986-04-22 | 1987-10-30 | Japan Electronic Control Syst Co Ltd | 自動車用内燃機関における熱線式流量計の付着物焼切装置 |
JPS62248839A (ja) * | 1986-04-22 | 1987-10-29 | Mitsubishi Electric Corp | 燃料制御装置 |
JPH0723702B2 (ja) * | 1986-12-27 | 1995-03-15 | マツダ株式会社 | 燃料制御装置 |
JPS63184018A (ja) * | 1987-01-27 | 1988-07-29 | Mazda Motor Corp | 熱線式吸入空気流量計の制御装置 |
DE3932304A1 (de) * | 1989-09-28 | 1991-04-11 | Bosch Gmbh Robert | Verfahren und vorrichtung zur temperatursteuerung eines messwiderstands |
DE4039599C2 (de) * | 1990-12-12 | 2002-01-24 | Bosch Gmbh Robert | Nachlaufverfahren und -Vorrichtungen für Steuergeräte von Brennkraftmaschinen |
DE4142959A1 (de) * | 1991-12-24 | 1993-07-01 | Till Keesmann | Sonde fuer einen partikelsensor |
JP3828794B2 (ja) * | 2001-12-05 | 2006-10-04 | 株式会社日立製作所 | 空気流量測定装置 |
EP2187182B1 (en) * | 2008-11-12 | 2015-08-05 | Sensirion AG | Method for operating a flow sensor being repetitively subjected to a thermal and/or chemical cleaning treatment, and flow measuring device |
JP5609827B2 (ja) * | 2011-09-07 | 2014-10-22 | 株式会社デンソー | 空気流量測定装置 |
JP5477358B2 (ja) * | 2011-10-31 | 2014-04-23 | 株式会社デンソー | 空気流量測定装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1751410A1 (de) * | 1968-05-24 | 1971-07-01 | Bosch Gmbh Robert | Temperaturabhaengige Schalteinrichtung fuer eine elektronisch gesteuerte Kraftstoffeinspritzeinrichtung |
DE2150187A1 (de) * | 1971-10-08 | 1973-04-12 | Bosch Gmbh Robert | Mit luftmengenmessung arbeitende, elektrisch gesteuerte kraftstoffeinspritzanlage fuer brennkraftmaschinen |
DE2448304C2 (de) * | 1974-10-10 | 1986-04-03 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrisch gesteuerte Kraftstoffeinspritzanlage für Brennkraftmaschinen |
DE2900690A1 (de) * | 1979-01-10 | 1980-07-24 | Bosch Gmbh Robert | Einrichtung zur temperatursteuerung eines messzwecken dienenden widerstandes, insbesondere bei brennkraftmaschinen |
DE2905506A1 (de) * | 1979-02-14 | 1980-09-04 | Bosch Gmbh Robert | Zuendbeginnsensor, insbesondere bei brennkraftmaschinen |
JPS55119925A (en) * | 1979-03-07 | 1980-09-16 | Hitachi Ltd | Hot-wire type air-flow meter for internal combustion engine |
DE2927378A1 (de) * | 1979-07-06 | 1981-01-29 | Bosch Gmbh Robert | Einrichtung zum freibrennen eines zu messzwecken dienenden widerstandes |
DE3037340C2 (de) * | 1979-10-03 | 1985-07-18 | Hitachi, Ltd., Tokio/Tokyo | Treiber für Hitzdraht-Luftmengenmesser |
JPS57173065U ( ) * | 1981-04-27 | 1982-10-30 |
-
1982
- 1982-12-16 DE DE19823246523 patent/DE3246523A1/de active Granted
-
1983
- 1983-12-02 JP JP58227123A patent/JPS59111017A/ja active Granted
- 1983-12-15 GB GB08333428A patent/GB2132360B/en not_active Expired
-
1985
- 1985-03-19 US US06/713,576 patent/US4579098A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2132360B (en) | 1986-05-29 |
US4579098A (en) | 1986-04-01 |
DE3246523A1 (de) | 1984-06-20 |
GB2132360A (en) | 1984-07-04 |
GB8333428D0 (en) | 1984-01-25 |
JPS59111017A (ja) | 1984-06-27 |
JPH0527049B2 ( ) | 1993-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |