JPS57122316A - Instructing device for economical running of vehicle - Google Patents
Instructing device for economical running of vehicleInfo
- Publication number
- JPS57122316A JPS57122316A JP514381A JP514381A JPS57122316A JP S57122316 A JPS57122316 A JP S57122316A JP 514381 A JP514381 A JP 514381A JP 514381 A JP514381 A JP 514381A JP S57122316 A JPS57122316 A JP S57122316A
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- upper limit
- signal
- input
- circuit
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Measuring Volume Flow (AREA)
Abstract
PURPOSE:To give instruction for safe and effective fuel consumption by alarming when the number of rotation exceeds a specified upper limit, or a reference number of rotation between the upper limit rotation and an idling rotation or the fuel adjusting member exceeds a specified upper limit value. CONSTITUTION:A rotation signal from a rotation sensor 2 is input to an integration circuit 7 through a wave form shaping circuit 4, differentiation circuit 5, monostable multi-vibrator 6, and a signal Vr that corresponds to rotation N is input to comparison circuits 8 and 9 and applied to them. Reference signals V1 and V2 for the upper limit value N1 of economical fuel consumption running and the differential rotation N2 between N1 and the idling rotation are input to comparators 8 and 9 through first and second reference voltage generating circuits 10 and 11. A reference signal for the amount theta1 of the upper limit stepping-in and an acceleration signal S1 from a third reference voltage generating circuit 12 and an acceleration signal generating circuit 3 are input to a comparator 13. When N>N1, and theta>theta1, at NN2 through an AND gate 14 and OR gate 17, a signal L is output to give instruction for safe and effective fuel saving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP514381A JPS57122316A (en) | 1981-01-19 | 1981-01-19 | Instructing device for economical running of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP514381A JPS57122316A (en) | 1981-01-19 | 1981-01-19 | Instructing device for economical running of vehicle |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57037283A Division JPS57201816A (en) | 1982-03-11 | 1982-03-11 | Device for indicating vehicle to run with economical fuel consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57122316A true JPS57122316A (en) | 1982-07-30 |
Family
ID=11603073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP514381A Pending JPS57122316A (en) | 1981-01-19 | 1981-01-19 | Instructing device for economical running of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57122316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007111840A (en) * | 2005-10-21 | 2007-05-10 | Disco Abrasive Syst Ltd | Cutting device |
-
1981
- 1981-01-19 JP JP514381A patent/JPS57122316A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007111840A (en) * | 2005-10-21 | 2007-05-10 | Disco Abrasive Syst Ltd | Cutting device |
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