JPS57179345A - Fuel injection timing controlling apparatus for diesel engine - Google Patents
Fuel injection timing controlling apparatus for diesel engineInfo
- Publication number
- JPS57179345A JPS57179345A JP56063896A JP6389681A JPS57179345A JP S57179345 A JPS57179345 A JP S57179345A JP 56063896 A JP56063896 A JP 56063896A JP 6389681 A JP6389681 A JP 6389681A JP S57179345 A JPS57179345 A JP S57179345A
- Authority
- JP
- Japan
- Prior art keywords
- output
- injection timing
- fuel injection
- counter
- buffer
- 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
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE:To control the fuel injection timing of a diesel engine with high accuracy, by employing such an arrangement that the fuel injection timing under a steady or transient state can be adjusted automatically to an aimed injection timing determined by either of a digital switch or a memory for storing fuel injection timing controlling patterns. CONSTITUTION:An apparatus of this invention comprises a crank angle sensor 1, a reference signal sensor 2 and a fuel injection sensor 3, and the outputs of these sensors are applied to a counter 7 after shaping their waveforms respectively at buffers 4-6. The counter 7 resets the counted value when an output is produced from a second buffer 5 and counts the output of a first buffer 4 until an output is produced from a third buffer 6. The output of the counter 7 is applied, after A/D conversion at 8, to a subtracter 9, at which it is subtracted from either of the output of a digital switch 10 capable of determining the injection timing freely or the output of a pattern memory 13 which produces an injection timing signal in response to the operational conditions of engine. Fuel pressure is adjusted by controlling a solenoid valve driving unit 18 in response to the output obtained by integrating (at 15) the differential output of the subtracter 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56063896A JPS57179345A (en) | 1981-04-30 | 1981-04-30 | Fuel injection timing controlling apparatus for diesel engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56063896A JPS57179345A (en) | 1981-04-30 | 1981-04-30 | Fuel injection timing controlling apparatus for diesel engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57179345A true JPS57179345A (en) | 1982-11-04 |
Family
ID=13242518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56063896A Pending JPS57179345A (en) | 1981-04-30 | 1981-04-30 | Fuel injection timing controlling apparatus for diesel engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57179345A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310289A2 (en) * | 1987-09-28 | 1989-04-05 | Zexel Corporation | Distribution-type fuel injection system controlled by electromagnetic valve |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5365528A (en) * | 1976-11-23 | 1978-06-12 | Bosch Gmbh Robert | Electronic control system and device for fuel injection timing of diesel engine |
-
1981
- 1981-04-30 JP JP56063896A patent/JPS57179345A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5365528A (en) * | 1976-11-23 | 1978-06-12 | Bosch Gmbh Robert | Electronic control system and device for fuel injection timing of diesel engine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310289A2 (en) * | 1987-09-28 | 1989-04-05 | Zexel Corporation | Distribution-type fuel injection system controlled by electromagnetic valve |
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