JPS57188735A - Fuel injection timing regulator - Google Patents

Fuel injection timing regulator

Info

Publication number
JPS57188735A
JPS57188735A JP7327681A JP7327681A JPS57188735A JP S57188735 A JPS57188735 A JP S57188735A JP 7327681 A JP7327681 A JP 7327681A JP 7327681 A JP7327681 A JP 7327681A JP S57188735 A JPS57188735 A JP S57188735A
Authority
JP
Japan
Prior art keywords
eccentric cam
pin
center
piston
liquid pressure
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.)
Granted
Application number
JP7327681A
Other languages
Japanese (ja)
Other versions
JPS648177B2 (en
Inventor
Akira Inoue
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.)
Bosch Corp
Original Assignee
Diesel Kiki Co 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 Diesel Kiki Co Ltd filed Critical Diesel Kiki Co Ltd
Priority to JP7327681A priority Critical patent/JPS57188735A/en
Publication of JPS57188735A publication Critical patent/JPS57188735A/en
Publication of JPS648177B2 publication Critical patent/JPS648177B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

PURPOSE:To enable the control only through the liquid pressure even in the low speed region, by coupling an eccentric cam mechanism to be contained in the rotary member with a counter balance thereby cancelling the centrifugal force of a piston in the liquid pressure actuator. CONSTITUTION:The liquid pressure controlled in accordance to the operating state of an electromagnetic valve 38 will enter into a chamber 35 in a liquid pressure actuator 20 and a piston 7 will enlarge the pins 6, 6 to move around an eccentric cam 3 thereby the center of an eccentric cam 4 will approach to the axis O to push the pin 8 thus to reduce the central angle alpha formed by the center of the cam 3 and the pin 8 against the axis O, and to lead the angle of the injection timing. When the rotary speed will increase to increase the centrifugal force functioning on the piston 1, a counter weight 31 of same mass will push a pin 46 in the second eccentric cam mechanism 45 outwardly and move around the center of the eccentric cam 43 while the center of the eccentric cam 44 will approach to the axis side O and to push the pin 48, thereby the central angle beta formed by the center of the cam 43 and the pin 48 against the axis O is reduced. Said force will cancel the centrifugal force of the piston 7 for reducing the centeral angle alpha.
JP7327681A 1981-05-15 1981-05-15 Fuel injection timing regulator Granted JPS57188735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7327681A JPS57188735A (en) 1981-05-15 1981-05-15 Fuel injection timing regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7327681A JPS57188735A (en) 1981-05-15 1981-05-15 Fuel injection timing regulator

Publications (2)

Publication Number Publication Date
JPS57188735A true JPS57188735A (en) 1982-11-19
JPS648177B2 JPS648177B2 (en) 1989-02-13

Family

ID=13513461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7327681A Granted JPS57188735A (en) 1981-05-15 1981-05-15 Fuel injection timing regulator

Country Status (1)

Country Link
JP (1) JPS57188735A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998523A (en) * 1989-03-04 1991-03-12 Robert Bosch Gmbh Injection timing adjuster for internal combustion engines
FR2660372A1 (en) * 1990-04-02 1991-10-04 Renault Vehicules Ind AUTOMATIC HYDRAULIC INJECTION ADVANCE DEVICE.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998523A (en) * 1989-03-04 1991-03-12 Robert Bosch Gmbh Injection timing adjuster for internal combustion engines
FR2660372A1 (en) * 1990-04-02 1991-10-04 Renault Vehicules Ind AUTOMATIC HYDRAULIC INJECTION ADVANCE DEVICE.

Also Published As

Publication number Publication date
JPS648177B2 (en) 1989-02-13

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