DE3402981C2 - - Google Patents
Info
- Publication number
- DE3402981C2 DE3402981C2 DE19843402981 DE3402981A DE3402981C2 DE 3402981 C2 DE3402981 C2 DE 3402981C2 DE 19843402981 DE19843402981 DE 19843402981 DE 3402981 A DE3402981 A DE 3402981A DE 3402981 C2 DE3402981 C2 DE 3402981C2
- Authority
- DE
- Germany
- Prior art keywords
- voltage divider
- voltage
- divider
- current source
- current
- 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 7
- 230000001419 dependent effect Effects 0.000 claims description 7
- 239000003570 air Substances 0.000 claims 2
- 239000012080 ambient air Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843402981 DE3402981A1 (de) | 1984-01-28 | 1984-01-28 | Luftmassenmessvorrichtung fuer brennkraftmaschinen |
| JP59274266A JPS60165517A (ja) | 1984-01-28 | 1984-12-27 | 内燃機関の空気量測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843402981 DE3402981A1 (de) | 1984-01-28 | 1984-01-28 | Luftmassenmessvorrichtung fuer brennkraftmaschinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3402981A1 DE3402981A1 (de) | 1985-08-01 |
| DE3402981C2 true DE3402981C2 (OSRAM) | 1992-08-27 |
Family
ID=6226176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843402981 Granted DE3402981A1 (de) | 1984-01-28 | 1984-01-28 | Luftmassenmessvorrichtung fuer brennkraftmaschinen |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60165517A (OSRAM) |
| DE (1) | DE3402981A1 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4404506A1 (de) * | 1994-02-12 | 1995-08-17 | Deutsche Automobilgesellsch | Temperaturkompensation bei Massenstromsensoren nach dem Prinzip des Hitzdraht-Anemometers |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607741A1 (de) * | 1985-03-14 | 1986-09-18 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | Schaltung zum ermitteln der fliessgeschwindigkeit eines fluiden mediums |
| JP4720133B2 (ja) * | 2004-09-24 | 2011-07-13 | 株式会社デンソー | 放熱型流量センサの駆動回路 |
| JP4754836B2 (ja) * | 2005-01-27 | 2011-08-24 | 株式会社神戸製鋼所 | 二重壁構造体 |
| DE102023126508A1 (de) * | 2023-09-28 | 2025-04-03 | Endress+Hauser Flowtec Ag | Thermisches Durchflussmessgerät |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3037340C2 (de) * | 1979-10-03 | 1985-07-18 | Hitachi, Ltd., Tokio/Tokyo | Treiber für Hitzdraht-Luftmengenmesser |
| DE3003671A1 (de) * | 1980-02-01 | 1981-08-06 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur messung der masse eines stroemenden mediums |
-
1984
- 1984-01-28 DE DE19843402981 patent/DE3402981A1/de active Granted
- 1984-12-27 JP JP59274266A patent/JPS60165517A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4404506A1 (de) * | 1994-02-12 | 1995-08-17 | Deutsche Automobilgesellsch | Temperaturkompensation bei Massenstromsensoren nach dem Prinzip des Hitzdraht-Anemometers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0477857B2 (OSRAM) | 1992-12-09 |
| JPS60165517A (ja) | 1985-08-28 |
| DE3402981A1 (de) | 1985-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2904154C2 (OSRAM) | ||
| DE2151774C3 (de) | Kraftstoffeinspritzanlage für eine Brennkraftmaschine | |
| DE2900210A1 (de) | Vorrichtung zur messung der masse eines stroemenden mediums | |
| DE2448304C2 (de) | Elektrisch gesteuerte Kraftstoffeinspritzanlage für Brennkraftmaschinen | |
| DE2003924A1 (de) | Kraftstoffeinspritz-System | |
| DE4133778C2 (de) | Primärzündstrombegrenzerschaltkreis für die Zündeinrichtung einer Brennkraftmaschine | |
| DE10245133B4 (de) | Kalibrierungsanordnung | |
| DE3106508A1 (de) | Luftmassenmesseinrichtung bei einer brennkraftmaschine | |
| DE3402981C2 (OSRAM) | ||
| DE69119462T2 (de) | Hitzdraht-Anemometer | |
| DE3309404C2 (OSRAM) | ||
| DE3109608C2 (OSRAM) | ||
| DE4331722A1 (de) | Luftstrommengenmesser und Luftstrommengenerfassung | |
| DE3022685C2 (OSRAM) | ||
| EP0720726B1 (de) | Verfahren und schaltungsanordnung zum schutz eines beheizten temperaturabhängigen sensorwiderstands vor überhitzung | |
| EP0190454A1 (de) | Vorrichtung zur Messung der Masse eines strömenden Mediums | |
| DE2849870A1 (de) | Vorrichtung zur luftmassenmessung | |
| DE102004033049A1 (de) | Messeinrichtung für einen Durchflusssensor, insbesondere einen Luftmassensensor für Brennkraftmaschinen und Verfahren zum Messen von Luftströmen | |
| WO1995029492A1 (de) | Einrichtung zur ansteuerung eines verbrauchers | |
| DE4115040A1 (de) | Messelement | |
| DE2241621C3 (de) | Spannungsregeleinrichtung | |
| DE10113802A1 (de) | Vorrichtung zum Ansteuern eines piezoelektrischen Stellgliedes | |
| EP0939305B1 (de) | Temperaturregler | |
| EP0653693B1 (de) | Vorrichtung zur Regelung einer an einem Verbraucher abfallenden Spannung | |
| DE3433368C2 (OSRAM) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |