JPS6432050A - Signal processing circuit for automobile sensor - Google Patents
Signal processing circuit for automobile sensorInfo
- Publication number
- JPS6432050A JPS6432050A JP62187581A JP18758187A JPS6432050A JP S6432050 A JPS6432050 A JP S6432050A JP 62187581 A JP62187581 A JP 62187581A JP 18758187 A JP18758187 A JP 18758187A JP S6432050 A JPS6432050 A JP S6432050A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- circuit
- driving state
- air
- judging
- 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.)
- Pending
Links
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Measuring Volume Flow (AREA)
Abstract
PURPOSE:To improve stability in idling speed and accelerability by installing plural filter circuit, a selector circuit selecting these filters and a judging circuit judging a driving state of an engine and controlling the selector circuit. CONSTITUTION:A driving state of an engine is judged by a judging circuit 5, selector circuits 3A-3C are controlled, selecting filters 2A-2C, and output of an air meter 1 is transmitted to a control 4. An air weight flow rate to be inhaled into the engine from an air cleaner AC is measured by the air meter 1, while an optimum fuel quantity to be fed to the engine is judged by the control unit 4, and the result is transmitted to an injector I. Thus, since an optimum filter for a driving state is automatically selected, stability in idling speed and accelerability are improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62187581A JPS6432050A (en) | 1987-07-29 | 1987-07-29 | Signal processing circuit for automobile sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62187581A JPS6432050A (en) | 1987-07-29 | 1987-07-29 | Signal processing circuit for automobile sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6432050A true JPS6432050A (en) | 1989-02-02 |
Family
ID=16208611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62187581A Pending JPS6432050A (en) | 1987-07-29 | 1987-07-29 | Signal processing circuit for automobile sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6432050A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04295155A (en) * | 1991-03-25 | 1992-10-20 | Hitachi Ltd | Engine control device |
| DE4225198A1 (en) * | 1991-07-31 | 1993-02-04 | Hitachi Ltd | FUEL QUANTITY CONTROL DEVICE AND METHOD FOR COMBUSTION ENGINES |
| JP2011209192A (en) * | 2010-03-30 | 2011-10-20 | Yamatake Corp | Thermal flow rate sensor and negative pressure adsorption device |
| WO2018074120A1 (en) * | 2016-10-19 | 2018-04-26 | 日立オートモティブシステムズ株式会社 | Flow-volume detecting apparatus |
-
1987
- 1987-07-29 JP JP62187581A patent/JPS6432050A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04295155A (en) * | 1991-03-25 | 1992-10-20 | Hitachi Ltd | Engine control device |
| DE4225198A1 (en) * | 1991-07-31 | 1993-02-04 | Hitachi Ltd | FUEL QUANTITY CONTROL DEVICE AND METHOD FOR COMBUSTION ENGINES |
| JP2011209192A (en) * | 2010-03-30 | 2011-10-20 | Yamatake Corp | Thermal flow rate sensor and negative pressure adsorption device |
| WO2018074120A1 (en) * | 2016-10-19 | 2018-04-26 | 日立オートモティブシステムズ株式会社 | Flow-volume detecting apparatus |
| JPWO2018074120A1 (en) * | 2016-10-19 | 2019-06-24 | 日立オートモティブシステムズ株式会社 | Flow detection device |
| US11480126B2 (en) | 2016-10-19 | 2022-10-25 | Hitachi Astemo, Ltd. | Flow-volume detecting apparatus utilizing filter selection |
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