JPS57157022A - Control unit of fuel injection timing - Google Patents

Control unit of fuel injection timing

Info

Publication number
JPS57157022A
JPS57157022A JP4087181A JP4087181A JPS57157022A JP S57157022 A JPS57157022 A JP S57157022A JP 4087181 A JP4087181 A JP 4087181A JP 4087181 A JP4087181 A JP 4087181A JP S57157022 A JPS57157022 A JP S57157022A
Authority
JP
Japan
Prior art keywords
oil pressure
fuel injection
switching
injection timing
port
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
Application number
JP4087181A
Other languages
Japanese (ja)
Inventor
Shigeru Yoshizawa
Takayuki Suzuki
Chuichi Shiozaki
Tetsuo Koike
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MITSUWA SEIKI CO Ltd
Sanwa Seiki Ltd
Original Assignee
MITSUWA SEIKI CO Ltd
Sanwa Seiki Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MITSUWA SEIKI CO Ltd, Sanwa Seiki Ltd filed Critical MITSUWA SEIKI CO Ltd
Priority to JP4087181A priority Critical patent/JPS57157022A/en
Publication of JPS57157022A publication Critical patent/JPS57157022A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/16—Adjustment of injection timing
    • F02D1/18—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse
    • F02D1/183—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic

Abstract

PURPOSE:To increase the output and save the consumption of fuel by elevating the control responding speed by providing a back pressure mechanism to the oil pressure shifting valve between the oil pressure actuator controlling a fuel injection pump and the source of oil pressure. CONSTITUTION:Oil pressure actuator 2 controls fuel injection timing in a fuel injection pump 3, changing a relative rotating phase angle between input axle 1a and output axle 1b. An oil pressure shifting valve 4 is provided between the oil pressure actuator 2 and the source of oil pressure 5. The orifice 6 of a back pressure mechanism is arranged in the flowing passage of oil pressure toward a reservoir 5b through a port 4c to a port 4d in the neutral shift position 4B of the oil pressure switching valve 4. Oil pressure from a hydraulic pump 5 is transmitted to a pushing-aside chamber 2b in a short time simultaneously by switching to the switching position 4D because back pressure is kept in the discharge passage of the hydraulic pump 5 in the neutral switching position 4B. Thus the control responding speed can be elevated.
JP4087181A 1981-03-20 1981-03-20 Control unit of fuel injection timing Pending JPS57157022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4087181A JPS57157022A (en) 1981-03-20 1981-03-20 Control unit of fuel injection timing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4087181A JPS57157022A (en) 1981-03-20 1981-03-20 Control unit of fuel injection timing

Publications (1)

Publication Number Publication Date
JPS57157022A true JPS57157022A (en) 1982-09-28

Family

ID=12592576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4087181A Pending JPS57157022A (en) 1981-03-20 1981-03-20 Control unit of fuel injection timing

Country Status (1)

Country Link
JP (1) JPS57157022A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157024A (en) * 1981-03-24 1982-09-28 Mitsuwa Seiki Co Ltd Oil pressure transfer valve
JPS57159936A (en) * 1981-03-30 1982-10-02 Hino Motors Ltd Oil hydrylic timer
JPS57159937A (en) * 1981-03-30 1982-10-02 Hino Motors Ltd Oil hydraulic timer
JPS59121437U (en) * 1983-02-04 1984-08-16 三菱自動車工業株式会社 Fuel injection pump advance angle adjustment device
US4541393A (en) * 1982-06-30 1985-09-17 Kabushiki Kaisha Komatsu Seisakusho Apparatus for controlling fuel injection timing
US5188075A (en) * 1991-08-13 1993-02-23 Robert Bosch Gmbh Fuel injection pump for internal combustion engines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157024A (en) * 1981-03-24 1982-09-28 Mitsuwa Seiki Co Ltd Oil pressure transfer valve
JPS57159936A (en) * 1981-03-30 1982-10-02 Hino Motors Ltd Oil hydrylic timer
JPS57159937A (en) * 1981-03-30 1982-10-02 Hino Motors Ltd Oil hydraulic timer
US4541393A (en) * 1982-06-30 1985-09-17 Kabushiki Kaisha Komatsu Seisakusho Apparatus for controlling fuel injection timing
JPS59121437U (en) * 1983-02-04 1984-08-16 三菱自動車工業株式会社 Fuel injection pump advance angle adjustment device
US5188075A (en) * 1991-08-13 1993-02-23 Robert Bosch Gmbh Fuel injection pump for internal combustion engines

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