JPS55146226A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
JPS55146226A
JPS55146226A JP5342479A JP5342479A JPS55146226A JP S55146226 A JPS55146226 A JP S55146226A JP 5342479 A JP5342479 A JP 5342479A JP 5342479 A JP5342479 A JP 5342479A JP S55146226 A JPS55146226 A JP S55146226A
Authority
JP
Japan
Prior art keywords
fuel
main
igniting
amount
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.)
Pending
Application number
JP5342479A
Other languages
Japanese (ja)
Inventor
Hideo Sudo
Masahiko Hori
Takaaki Nemoto
Hiromi Sugiyama
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.)
NIPPON JIDOSHA KENKYUSHO
NIPPON JIDOUSHIYA KENKYUSHO
Original Assignee
NIPPON JIDOSHA KENKYUSHO
NIPPON JIDOUSHIYA KENKYUSHO
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 NIPPON JIDOSHA KENKYUSHO, NIPPON JIDOUSHIYA KENKYUSHO filed Critical NIPPON JIDOSHA KENKYUSHO
Priority to JP5342479A priority Critical patent/JPS55146226A/en
Publication of JPS55146226A publication Critical patent/JPS55146226A/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/14—Engines characterised by precombustion chambers with compression ignition
    • 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
    • Y02T10/12—Improving ICE efficiencies

Abstract

PURPOSE:To reduce the amount of noxious uncombusted substances contained in the exhaust gas of an engine using a fuel having a low cetane number, by providing an igniting-fuel injection nozzle and an output controlling, main-fuel injection nozzle in a subsidiary combustion chamber, and injecting the main fuel after raising fuel pressure by injecting the igniting fuel during combustion stroke of engine. CONSTITUTION:Igniting fuel L of gas oil is at first ignited in subsidiary combustion chamber 5, and then main fuel E of ethanol is injected into the atmosphere capable of igniting main fuel E, in a direction F toward the center of connecting passage 6. With such an arrangement, main fuel E is combusted satisfactorily in main combustion chamber 4, so that the amount of uncombusted substances contained in the exhaust gas can be reduced without increasing the amount of NOx. Further, combustion noises produced when main fuel E having a low cetane number is combusted can be eliminated by adjusting the injection timing for igniting fuel L of gas oil. By thus using fuel having a low cetane number as main fuel, it is enabled to increase output of engine and to reduce the amount of NOx and uncombusted substances contained in the exhaust gas.
JP5342479A 1979-05-02 1979-05-02 Internal combustion engine Pending JPS55146226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5342479A JPS55146226A (en) 1979-05-02 1979-05-02 Internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5342479A JPS55146226A (en) 1979-05-02 1979-05-02 Internal combustion engine

Publications (1)

Publication Number Publication Date
JPS55146226A true JPS55146226A (en) 1980-11-14

Family

ID=12942448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5342479A Pending JPS55146226A (en) 1979-05-02 1979-05-02 Internal combustion engine

Country Status (1)

Country Link
JP (1) JPS55146226A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57160924U (en) * 1981-04-03 1982-10-08
US7428810B2 (en) 2006-04-25 2008-09-30 Caterpillar Inc. System for increasing efficiency of an SCR catalyst

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035966A (en) * 1973-08-01 1975-04-04
JPS50132310A (en) * 1974-04-05 1975-10-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035966A (en) * 1973-08-01 1975-04-04
JPS50132310A (en) * 1974-04-05 1975-10-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57160924U (en) * 1981-04-03 1982-10-08
JPS6226587Y2 (en) * 1981-04-03 1987-07-08
US7428810B2 (en) 2006-04-25 2008-09-30 Caterpillar Inc. System for increasing efficiency of an SCR catalyst

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