JPS5732021A - Fuel injector - Google Patents
Fuel injectorInfo
- Publication number
- JPS5732021A JPS5732021A JP10507880A JP10507880A JPS5732021A JP S5732021 A JPS5732021 A JP S5732021A JP 10507880 A JP10507880 A JP 10507880A JP 10507880 A JP10507880 A JP 10507880A JP S5732021 A JPS5732021 A JP S5732021A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- actual injection
- pressure
- injection
- peak value
- 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
Abstract
PURPOSE: To control the quantity of actually injected fuel to be highly accurate despite the wear of mechanical parts, by detecting the quantity of actual injection of a fuel injection pump for an internal combustion engine in terms of the change in the pressure in a plunger so that the quantity of actual injection is equal to a required quantity.
CONSTITUTION: When a pressure signal S1 is entered as an input signal from a pressure sensor 21, the peack value of the signal is detected and held by a peack value hold circuit 23. When the digitization of the peak value of the pressure in a plunger in one injection process is finished, the peak value hold circuit 23 is reset by a reset pulse P1. Data D1 from an A/D converter 61 are entered into an actual injection quantity calculation circuit 62 so that an actual injection signal S4 corresponding to the pressure peak value is generated through calculation. A desired quantity calculation circuit 30 computes a required fuel injection quantity corresponding to the state of operation, to send out a desired quantity signal D2 which is compared with the actual injection quantity signal S4 by an error detector 65. As a result, a signal is applied to an electromagnetic actuator 18 at such polarity as to move a control sleeve in such a direction that the quantity of actual injection is equalized to the result of prescribed calculation.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10507880A JPS5732021A (en) | 1980-08-01 | 1980-08-01 | Fuel injector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10507880A JPS5732021A (en) | 1980-08-01 | 1980-08-01 | Fuel injector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5732021A true JPS5732021A (en) | 1982-02-20 |
Family
ID=14397891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10507880A Pending JPS5732021A (en) | 1980-08-01 | 1980-08-01 | Fuel injector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5732021A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57126016U (en) * | 1981-01-30 | 1982-08-06 | ||
JPS5889836U (en) * | 1981-12-11 | 1983-06-17 | 三菱自動車工業株式会社 | Fuel injection amount detection device |
JPS60103067A (en) * | 1983-11-04 | 1985-06-07 | ニチアス株式会社 | Manufacture of calcium silicate formed body |
JPS60204655A (en) * | 1984-03-30 | 1985-10-16 | ニチアス株式会社 | Xonotlite forming material |
JPS60204656A (en) * | 1984-03-30 | 1985-10-16 | ニチアス株式会社 | Xonotlite forming material |
JPS6232251A (en) * | 1985-05-21 | 1987-02-12 | Nippon Denso Co Ltd | Fuel injection quantity controller |
JPS6385038A (en) * | 1986-09-26 | 1988-04-15 | ニチアス株式会社 | Calcium silicate formed matter |
EP0585746A2 (en) * | 1992-08-20 | 1994-03-09 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
US6102000A (en) * | 1993-11-02 | 2000-08-15 | Toyota Jidosha Kabushiki Kaisha | Fuel injection apparatus for engine |
-
1980
- 1980-08-01 JP JP10507880A patent/JPS5732021A/en active Pending
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57126016U (en) * | 1981-01-30 | 1982-08-06 | ||
JPS6313454Y2 (en) * | 1981-01-30 | 1988-04-16 | ||
JPS5889836U (en) * | 1981-12-11 | 1983-06-17 | 三菱自動車工業株式会社 | Fuel injection amount detection device |
JPS60103067A (en) * | 1983-11-04 | 1985-06-07 | ニチアス株式会社 | Manufacture of calcium silicate formed body |
JPS60204655A (en) * | 1984-03-30 | 1985-10-16 | ニチアス株式会社 | Xonotlite forming material |
JPS60204656A (en) * | 1984-03-30 | 1985-10-16 | ニチアス株式会社 | Xonotlite forming material |
JPH0116786B2 (en) * | 1984-03-30 | 1989-03-27 | Nichias Corp | |
JPH0116787B2 (en) * | 1984-03-30 | 1989-03-27 | Nichias Corp | |
JPS6232251A (en) * | 1985-05-21 | 1987-02-12 | Nippon Denso Co Ltd | Fuel injection quantity controller |
JPS6385038A (en) * | 1986-09-26 | 1988-04-15 | ニチアス株式会社 | Calcium silicate formed matter |
EP0585746A2 (en) * | 1992-08-20 | 1994-03-09 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
US5485822A (en) * | 1992-08-20 | 1996-01-23 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
EP0585746A3 (en) * | 1992-08-20 | 1997-09-10 | Toyota Motor Co Ltd | Fuel injection controller for use in an internal combustion engine |
US5697338A (en) * | 1992-08-20 | 1997-12-16 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
US5848581A (en) * | 1992-08-20 | 1998-12-15 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
EP0911508A2 (en) * | 1992-08-20 | 1999-04-28 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
EP0911507A2 (en) | 1992-08-20 | 1999-04-28 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
EP0585746B1 (en) * | 1992-08-20 | 1999-11-10 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
EP0911508A3 (en) * | 1992-08-20 | 1999-11-24 | Toyota Jidosha Kabushiki Kaisha | Fuel injection controller for use in an internal combustion engine |
US6102000A (en) * | 1993-11-02 | 2000-08-15 | Toyota Jidosha Kabushiki Kaisha | Fuel injection apparatus for engine |
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