JPS6432063A - Accumulator fuel injection device - Google Patents

Accumulator fuel injection device

Info

Publication number
JPS6432063A
JPS6432063A JP18768987A JP18768987A JPS6432063A JP S6432063 A JPS6432063 A JP S6432063A JP 18768987 A JP18768987 A JP 18768987A JP 18768987 A JP18768987 A JP 18768987A JP S6432063 A JPS6432063 A JP S6432063A
Authority
JP
Japan
Prior art keywords
fuel injection
accumulator
pressure
fuel
engine
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
JP18768987A
Other languages
Japanese (ja)
Other versions
JPH071029B2 (en
Inventor
Hiroshi Matsuoka
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors 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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Priority to JP62187689A priority Critical patent/JPH071029B2/en
Publication of JPS6432063A publication Critical patent/JPS6432063A/en
Publication of JPH071029B2 publication Critical patent/JPH071029B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Fuel-Injection Apparatus (AREA)

Abstract

PURPOSE:To secure such a specified fuel injection quantity all the time by leaking pressure in an accumulator after the elapse of the specified period since fuel injection has been started, and thereby making it go down to less than the extent of valve closing pressure in a needle valve, in case of a diesel engine. CONSTITUTION:An accumulator fuel injection device 20 turns a solenoid valve 35 to ON and interconnects leak passages 16 and 17 to each other, then it makes pressure inside the accumulator 5 go down to less than the valve closing pressure of a needle valve 3 after the elapse of the specified period since the start of fuel injection into a combustion chamber from a nozzle 11 when a period of fuel pressure-feed to the accumulator 5 from a fuel injection pump. Consequently, even if temperature in a compression stroke end of an engine comes high and time from fuel injection to firing is sharply shortened, an initial injection rate is raised at high pressure injection and pressure in the accumulator 5 is leaked so that a specified amount of fuel is made possible to be sprayed to the combustion chamber of the engine in a short time. Thus, improvement in engine performance is contrivable.
JP62187689A 1987-07-29 1987-07-29 Accumulation type fuel injection device Expired - Lifetime JPH071029B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62187689A JPH071029B2 (en) 1987-07-29 1987-07-29 Accumulation type fuel injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62187689A JPH071029B2 (en) 1987-07-29 1987-07-29 Accumulation type fuel injection device

Publications (2)

Publication Number Publication Date
JPS6432063A true JPS6432063A (en) 1989-02-02
JPH071029B2 JPH071029B2 (en) 1995-01-11

Family

ID=16210424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62187689A Expired - Lifetime JPH071029B2 (en) 1987-07-29 1987-07-29 Accumulation type fuel injection device

Country Status (1)

Country Link
JP (1) JPH071029B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962887A (en) * 1988-10-21 1990-10-16 Isuzu Motors Limited Accumulator fuel injection system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844262A (en) * 1981-08-22 1983-03-15 エム・ア−・エヌ・マシ−ネンフアブリ−ク・アウグスブルク−ニユルンベルク・アクチエンゲゼルシヤフト Fuel injector for internal combustion engine
JPS59105060U (en) * 1982-12-30 1984-07-14 いすゞ自動車株式会社 Servo valve for pressure booster plunger type fuel injection device
JPS59203864A (en) * 1983-05-04 1984-11-19 Nissan Motor Co Ltd Fuel injection device for internal-combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844262A (en) * 1981-08-22 1983-03-15 エム・ア−・エヌ・マシ−ネンフアブリ−ク・アウグスブルク−ニユルンベルク・アクチエンゲゼルシヤフト Fuel injector for internal combustion engine
JPS59105060U (en) * 1982-12-30 1984-07-14 いすゞ自動車株式会社 Servo valve for pressure booster plunger type fuel injection device
JPS59203864A (en) * 1983-05-04 1984-11-19 Nissan Motor Co Ltd Fuel injection device for internal-combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962887A (en) * 1988-10-21 1990-10-16 Isuzu Motors Limited Accumulator fuel injection system

Also Published As

Publication number Publication date
JPH071029B2 (en) 1995-01-11

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